From bceb096e69c716a3e7c9b62c8424e8e01abc945a Mon Sep 17 00:00:00 2001 From: Our Air Quality Date: Fri, 5 Apr 2019 21:45:00 +1100 Subject: [PATCH] FreeRTOS: update to v10.2.0 --- FreeRTOS/License/license.txt | 5 +- FreeRTOS/Source/croutine.c | 6 +- FreeRTOS/Source/event_groups.c | 75 ++- FreeRTOS/Source/include/FreeRTOS.h | 130 ++++- FreeRTOS/Source/include/FreeRTOSConfig.h | 4 +- FreeRTOS/Source/include/croutine.h | 4 +- .../Source/include/deprecated_definitions.h | 4 +- FreeRTOS/Source/include/event_groups.h | 9 +- FreeRTOS/Source/include/list.h | 13 +- FreeRTOS/Source/include/message_buffer.h | 4 +- FreeRTOS/Source/include/mpu_prototypes.h | 211 +++---- FreeRTOS/Source/include/mpu_wrappers.h | 12 +- FreeRTOS/Source/include/portable.h | 24 +- FreeRTOS/Source/include/projdefs.h | 4 +- FreeRTOS/Source/include/queue.h | 22 +- FreeRTOS/Source/include/semphr.h | 4 +- FreeRTOS/Source/include/stack_macros.h | 12 +- FreeRTOS/Source/include/stream_buffer.h | 11 +- FreeRTOS/Source/include/task.h | 119 +++- FreeRTOS/Source/include/timers.h | 24 +- FreeRTOS/Source/list.c | 32 +- FreeRTOS/Source/portable/esp8266/port.c | 4 +- FreeRTOS/Source/portable/esp8266/portmacro.h | 5 +- FreeRTOS/Source/queue.c | 266 +++++---- FreeRTOS/Source/stream_buffer.c | 155 ++--- FreeRTOS/Source/tasks.c | 531 +++++++++++------- FreeRTOS/Source/timers.c | 176 +++--- 27 files changed, 1155 insertions(+), 711 deletions(-) diff --git a/FreeRTOS/License/license.txt b/FreeRTOS/License/license.txt index 83e25ea..2977d52 100644 --- a/FreeRTOS/License/license.txt +++ b/FreeRTOS/License/license.txt @@ -17,7 +17,7 @@ source file. License text: ------------- -Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. +Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to @@ -26,8 +26,7 @@ the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. If you wish to use our Amazon -FreeRTOS name, please do so in a fair use way that does not cause confusion. +copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS diff --git a/FreeRTOS/Source/croutine.c b/FreeRTOS/Source/croutine.c index b715884..33d4fb3 100644 --- a/FreeRTOS/Source/croutine.c +++ b/FreeRTOS/Source/croutine.c @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -260,7 +260,7 @@ CRCB_t *pxCRCB; ( void ) uxListRemove( &( pxCRCB->xGenericListItem ) ); /* Is the co-routine waiting on an event also? */ - if( pxCRCB->xEventListItem.pvContainer ) + if( pxCRCB->xEventListItem.pxContainer ) { ( void ) uxListRemove( &( pxCRCB->xEventListItem ) ); } diff --git a/FreeRTOS/Source/event_groups.c b/FreeRTOS/Source/event_groups.c index 14d7b02..f23047c 100644 --- a/FreeRTOS/Source/event_groups.c +++ b/FreeRTOS/Source/event_groups.c @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -39,11 +39,11 @@ task.h is included from an application file. */ #include "timers.h" #include "event_groups.h" -/* Lint e961 and e750 are suppressed as a MISRA exception justified because the -MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined for the -header files above, but not in this file, in order to generate the correct -privileged Vs unprivileged linkage and placement. */ -#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */ +/* Lint e961, e750 and e9021 are suppressed as a MISRA exception justified +because the MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined +for the header files above, but not in this file, in order to generate the +correct privileged Vs unprivileged linkage and placement. */ +#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750 !e9021 See comment above. */ /* The following bit fields convey control information in a task's event list item value. It is important they don't clash with the @@ -60,7 +60,7 @@ taskEVENT_LIST_ITEM_VALUE_IN_USE definition. */ #define eventEVENT_BITS_CONTROL_BYTES 0xff000000UL #endif -typedef struct xEventGroupDefinition +typedef struct EventGroupDef_t { EventBits_t uxEventBits; List_t xTasksWaitingForBits; /*< List of tasks waiting for a bit to be set. */ @@ -104,11 +104,11 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, co event group structure. */ volatile size_t xSize = sizeof( StaticEventGroup_t ); configASSERT( xSize == sizeof( EventGroup_t ) ); - } + } /*lint !e529 xSize is referenced if configASSERT() is defined. */ #endif /* configASSERT_DEFINED */ /* The user has provided a statically allocated event group - use it. */ - pxEventBits = ( EventGroup_t * ) pxEventGroupBuffer; /*lint !e740 EventGroup_t and StaticEventGroup_t are guaranteed to have the same size and alignment requirement - checked by configASSERT(). */ + pxEventBits = ( EventGroup_t * ) pxEventGroupBuffer; /*lint !e740 !e9087 EventGroup_t and StaticEventGroup_t are deliberately aliased for data hiding purposes and guaranteed to have the same size and alignment requirement - checked by configASSERT(). */ if( pxEventBits != NULL ) { @@ -128,10 +128,13 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, co } else { + /* xEventGroupCreateStatic should only ever be called with + pxEventGroupBuffer pointing to a pre-allocated (compile time + allocated) StaticEventGroup_t variable. */ traceEVENT_GROUP_CREATE_FAILED(); } - return ( EventGroupHandle_t ) pxEventBits; + return pxEventBits; } #endif /* configSUPPORT_STATIC_ALLOCATION */ @@ -143,8 +146,20 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, co { EventGroup_t *pxEventBits; - /* Allocate the event group. */ - pxEventBits = ( EventGroup_t * ) pvPortMalloc( sizeof( EventGroup_t ) ); + /* Allocate the event group. Justification for MISRA deviation as + follows: pvPortMalloc() always ensures returned memory blocks are + aligned per the requirements of the MCU stack. In this case + pvPortMalloc() must return a pointer that is guaranteed to meet the + alignment requirements of the EventGroup_t structure - which (if you + follow it through) is the alignment requirements of the TickType_t type + (EventBits_t being of TickType_t itself). Therefore, whenever the + stack alignment requirements are greater than or equal to the + TickType_t alignment requirements the cast is safe. In other cases, + where the natural word size of the architecture is less than + sizeof( TickType_t ), the TickType_t variables will be accessed in two + or more reads operations, and the alignment requirements is only that + of each individual read. */ + pxEventBits = ( EventGroup_t * ) pvPortMalloc( sizeof( EventGroup_t ) ); /*lint !e9087 !e9079 see comment above. */ if( pxEventBits != NULL ) { @@ -164,10 +179,10 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, co } else { - traceEVENT_GROUP_CREATE_FAILED(); + traceEVENT_GROUP_CREATE_FAILED(); /*lint !e9063 Else branch only exists to allow tracing and does not generate code if trace macros are not defined. */ } - return ( EventGroupHandle_t ) pxEventBits; + return pxEventBits; } #endif /* configSUPPORT_DYNAMIC_ALLOCATION */ @@ -176,7 +191,7 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, co EventBits_t xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ) { EventBits_t uxOriginalBitValue, uxReturn; -EventGroup_t *pxEventBits = ( EventGroup_t * ) xEventGroup; +EventGroup_t *pxEventBits = xEventGroup; BaseType_t xAlreadyYielded; BaseType_t xTimeoutOccurred = pdFALSE; @@ -295,7 +310,7 @@ BaseType_t xTimeoutOccurred = pdFALSE; EventBits_t xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ) { -EventGroup_t *pxEventBits = ( EventGroup_t * ) xEventGroup; +EventGroup_t *pxEventBits = xEventGroup; EventBits_t uxReturn, uxControlBits = 0; BaseType_t xWaitConditionMet, xAlreadyYielded; BaseType_t xTimeoutOccurred = pdFALSE; @@ -445,7 +460,7 @@ BaseType_t xTimeoutOccurred = pdFALSE; EventBits_t xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) { -EventGroup_t *pxEventBits = ( EventGroup_t * ) xEventGroup; +EventGroup_t *pxEventBits = xEventGroup; EventBits_t uxReturn; /* Check the user is not attempting to clear the bits used by the kernel @@ -477,7 +492,7 @@ EventBits_t uxReturn; BaseType_t xReturn; traceEVENT_GROUP_CLEAR_BITS_FROM_ISR( xEventGroup, uxBitsToClear ); - xReturn = xTimerPendFunctionCallFromISR( vEventGroupClearBitsCallback, ( void * ) xEventGroup, ( uint32_t ) uxBitsToClear, NULL ); + xReturn = xTimerPendFunctionCallFromISR( vEventGroupClearBitsCallback, ( void * ) xEventGroup, ( uint32_t ) uxBitsToClear, NULL ); /*lint !e9087 Can't avoid cast to void* as a generic callback function not specific to this use case. Callback casts back to original type so safe. */ return xReturn; } @@ -488,7 +503,7 @@ EventBits_t uxReturn; EventBits_t xEventGroupGetBitsFromISR( EventGroupHandle_t xEventGroup ) { UBaseType_t uxSavedInterruptStatus; -EventGroup_t *pxEventBits = ( EventGroup_t * ) xEventGroup; +EventGroup_t const * const pxEventBits = xEventGroup; EventBits_t uxReturn; uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR(); @@ -498,16 +513,16 @@ EventBits_t uxReturn; portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ); return uxReturn; -} +} /*lint !e818 EventGroupHandle_t is a typedef used in other functions to so can't be pointer to const. */ /*-----------------------------------------------------------*/ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ) { ListItem_t *pxListItem, *pxNext; ListItem_t const *pxListEnd; -List_t *pxList; +List_t const * pxList; EventBits_t uxBitsToClear = 0, uxBitsWaitedFor, uxControlBits; -EventGroup_t *pxEventBits = ( EventGroup_t * ) xEventGroup; +EventGroup_t *pxEventBits = xEventGroup; BaseType_t xMatchFound = pdFALSE; /* Check the user is not attempting to set the bits used by the kernel @@ -516,7 +531,7 @@ BaseType_t xMatchFound = pdFALSE; configASSERT( ( uxBitsToSet & eventEVENT_BITS_CONTROL_BYTES ) == 0 ); pxList = &( pxEventBits->xTasksWaitingForBits ); - pxListEnd = listGET_END_MARKER( pxList ); /*lint !e826 !e740 The mini list structure is used as the list end to save RAM. This is checked and valid. */ + pxListEnd = listGET_END_MARKER( pxList ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ vTaskSuspendAll(); { traceEVENT_GROUP_SET_BITS( xEventGroup, uxBitsToSet ); @@ -597,7 +612,7 @@ BaseType_t xMatchFound = pdFALSE; void vEventGroupDelete( EventGroupHandle_t xEventGroup ) { -EventGroup_t *pxEventBits = ( EventGroup_t * ) xEventGroup; +EventGroup_t *pxEventBits = xEventGroup; const List_t *pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits ); vTaskSuspendAll(); @@ -641,7 +656,7 @@ const List_t *pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits ); an interrupt. */ void vEventGroupSetBitsCallback( void *pvEventGroup, const uint32_t ulBitsToSet ) { - ( void ) xEventGroupSetBits( pvEventGroup, ( EventBits_t ) ulBitsToSet ); + ( void ) xEventGroupSetBits( pvEventGroup, ( EventBits_t ) ulBitsToSet ); /*lint !e9079 Can't avoid cast to void* as a generic timer callback prototype. Callback casts back to original type so safe. */ } /*-----------------------------------------------------------*/ @@ -649,7 +664,7 @@ void vEventGroupSetBitsCallback( void *pvEventGroup, const uint32_t ulBitsToSet an interrupt. */ void vEventGroupClearBitsCallback( void *pvEventGroup, const uint32_t ulBitsToClear ) { - ( void ) xEventGroupClearBits( pvEventGroup, ( EventBits_t ) ulBitsToClear ); + ( void ) xEventGroupClearBits( pvEventGroup, ( EventBits_t ) ulBitsToClear ); /*lint !e9079 Can't avoid cast to void* as a generic timer callback prototype. Callback casts back to original type so safe. */ } /*-----------------------------------------------------------*/ @@ -695,7 +710,7 @@ BaseType_t xWaitConditionMet = pdFALSE; BaseType_t xReturn; traceEVENT_GROUP_SET_BITS_FROM_ISR( xEventGroup, uxBitsToSet ); - xReturn = xTimerPendFunctionCallFromISR( vEventGroupSetBitsCallback, ( void * ) xEventGroup, ( uint32_t ) uxBitsToSet, pxHigherPriorityTaskWoken ); + xReturn = xTimerPendFunctionCallFromISR( vEventGroupSetBitsCallback, ( void * ) xEventGroup, ( uint32_t ) uxBitsToSet, pxHigherPriorityTaskWoken ); /*lint !e9087 Can't avoid cast to void* as a generic callback function not specific to this use case. Callback casts back to original type so safe. */ return xReturn; } @@ -708,7 +723,7 @@ BaseType_t xWaitConditionMet = pdFALSE; UBaseType_t uxEventGroupGetNumber( void* xEventGroup ) { UBaseType_t xReturn; - EventGroup_t *pxEventBits = ( EventGroup_t * ) xEventGroup; + EventGroup_t const *pxEventBits = ( EventGroup_t * ) xEventGroup; /*lint !e9087 !e9079 EventGroupHandle_t is a pointer to an EventGroup_t, but EventGroupHandle_t is kept opaque outside of this file for data hiding purposes. */ if( xEventGroup == NULL ) { @@ -729,7 +744,7 @@ BaseType_t xWaitConditionMet = pdFALSE; void vEventGroupSetNumber( void * xEventGroup, UBaseType_t uxEventGroupNumber ) { - ( ( EventGroup_t * ) xEventGroup )->uxEventGroupNumber = uxEventGroupNumber; + ( ( EventGroup_t * ) xEventGroup )->uxEventGroupNumber = uxEventGroupNumber; /*lint !e9087 !e9079 EventGroupHandle_t is a pointer to an EventGroup_t, but EventGroupHandle_t is kept opaque outside of this file for data hiding purposes. */ } #endif /* configUSE_TRACE_FACILITY */ diff --git a/FreeRTOS/Source/include/FreeRTOS.h b/FreeRTOS/Source/include/FreeRTOS.h index e2c780b..3336b20 100644 --- a/FreeRTOS/Source/include/FreeRTOS.h +++ b/FreeRTOS/Source/include/FreeRTOS.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -156,6 +156,10 @@ extern "C" { #define INCLUDE_uxTaskGetStackHighWaterMark 0 #endif +#ifndef INCLUDE_uxTaskGetStackHighWaterMark2 + #define INCLUDE_uxTaskGetStackHighWaterMark2 0 +#endif + #ifndef INCLUDE_eTaskGetState #define INCLUDE_eTaskGetState 0 #endif @@ -758,8 +762,8 @@ extern "C" { #define portTASK_USES_FLOATING_POINT() #endif -#ifndef portTASK_CALLS_SECURE_FUNCTIONS - #define portTASK_CALLS_SECURE_FUNCTIONS() +#ifndef portALLOCATE_SECURE_CONTEXT + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) #endif #ifndef configUSE_TIME_SLICING @@ -806,6 +810,10 @@ extern "C" { #define configUSE_TASK_NOTIFICATIONS 1 #endif +#ifndef configUSE_POSIX_ERRNO + #define configUSE_POSIX_ERRNO 0 +#endif + #ifndef portTICK_TYPE_IS_ATOMIC #define portTICK_TYPE_IS_ATOMIC 0 #endif @@ -928,6 +936,10 @@ V8 if desired. */ #define pdTASK_CODE TaskFunction_t #define xListItem ListItem_t #define xList List_t + + /* For libraries that break the list data hiding, and access list structure + members directly (which is not supposed to be done). */ + #define pxContainer pvContainer #endif /* configENABLE_BACKWARD_COMPATIBILITY */ #if( configUSE_ALTERNATIVE_API != 0 ) @@ -942,6 +954,75 @@ point support. */ #define configUSE_TASK_FPU_SUPPORT 1 #endif +/* Set configENABLE_MPU to 1 to enable MPU support and 0 to disable it. This is +currently used in ARMv8M ports. */ +#ifndef configENABLE_MPU + #define configENABLE_MPU 0 +#endif + +/* Set configENABLE_FPU to 1 to enable FPU support and 0 to disable it. This is +currently used in ARMv8M ports. */ +#ifndef configENABLE_FPU + #define configENABLE_FPU 1 +#endif + +/* Set configENABLE_TRUSTZONE to 1 enable TrustZone support and 0 to disable it. +This is currently used in ARMv8M ports. */ +#ifndef configENABLE_TRUSTZONE + #define configENABLE_TRUSTZONE 1 +#endif + +/* Set configRUN_FREERTOS_SECURE_ONLY to 1 to run the FreeRTOS ARMv8M port on +the Secure Side only. */ +#ifndef configRUN_FREERTOS_SECURE_ONLY + #define configRUN_FREERTOS_SECURE_ONLY 0 +#endif + +/* Sometimes the FreeRTOSConfig.h settings only allow a task to be created using + * dynamically allocated RAM, in which case when any task is deleted it is known + * that both the task's stack and TCB need to be freed. Sometimes the + * FreeRTOSConfig.h settings only allow a task to be created using statically + * allocated RAM, in which case when any task is deleted it is known that neither + * the task's stack or TCB should be freed. Sometimes the FreeRTOSConfig.h + * settings allow a task to be created using either statically or dynamically + * allocated RAM, in which case a member of the TCB is used to record whether the + * stack and/or TCB were allocated statically or dynamically, so when a task is + * deleted the RAM that was allocated dynamically is freed again and no attempt is + * made to free the RAM that was allocated statically. + * tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE is only true if it is possible for a + * task to be created using either statically or dynamically allocated RAM. Note + * that if portUSING_MPU_WRAPPERS is 1 then a protected task can be created with + * a statically allocated stack and a dynamically allocated TCB. + * + * The following table lists various combinations of portUSING_MPU_WRAPPERS, + * configSUPPORT_DYNAMIC_ALLOCATION and configSUPPORT_STATIC_ALLOCATION and + * when it is possible to have both static and dynamic allocation: + * +-----+---------+--------+-----------------------------+-----------------------------------+------------------+-----------+ + * | MPU | Dynamic | Static | Available Functions | Possible Allocations | Both Dynamic and | Need Free | + * | | | | | | Static Possible | | + * +-----+---------+--------+-----------------------------+-----------------------------------+------------------+-----------+ + * | 0 | 0 | 1 | xTaskCreateStatic | TCB - Static, Stack - Static | No | No | + * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------| + * | 0 | 1 | 0 | xTaskCreate | TCB - Dynamic, Stack - Dynamic | No | Yes | + * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------| + * | 0 | 1 | 1 | xTaskCreate, | 1. TCB - Dynamic, Stack - Dynamic | Yes | Yes | + * | | | | xTaskCreateStatic | 2. TCB - Static, Stack - Static | | | + * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------| + * | 1 | 0 | 1 | xTaskCreateStatic, | TCB - Static, Stack - Static | No | No | + * | | | | xTaskCreateRestrictedStatic | | | | + * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------| + * | 1 | 1 | 0 | xTaskCreate, | 1. TCB - Dynamic, Stack - Dynamic | Yes | Yes | + * | | | | xTaskCreateRestricted | 2. TCB - Dynamic, Stack - Static | | | + * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------| + * | 1 | 1 | 1 | xTaskCreate, | 1. TCB - Dynamic, Stack - Dynamic | Yes | Yes | + * | | | | xTaskCreateStatic, | 2. TCB - Dynamic, Stack - Static | | | + * | | | | xTaskCreateRestricted, | 3. TCB - Static, Stack - Static | | | + * | | | | xTaskCreateRestrictedStatic | | | | + * +-----+---------+--------+-----------------------------+-----------------------------------+------------------+-----------+ + */ +#define tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE ( ( ( portUSING_MPU_WRAPPERS == 0 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) ) || \ + ( ( portUSING_MPU_WRAPPERS == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) ) + /* * In line with software engineering best practice, FreeRTOS implements a strict * data hiding policy, so the real structures used by FreeRTOS to maintain the @@ -954,25 +1035,40 @@ point support. */ */ struct xSTATIC_LIST_ITEM { - TickType_t xDummy1; - void *pvDummy2[ 4 ]; + #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 ) + TickType_t xDummy1; + #endif + TickType_t xDummy2; + void *pvDummy3[ 4 ]; + #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 ) + TickType_t xDummy4; + #endif }; typedef struct xSTATIC_LIST_ITEM StaticListItem_t; /* See the comments above the struct xSTATIC_LIST_ITEM definition. */ struct xSTATIC_MINI_LIST_ITEM { - TickType_t xDummy1; - void *pvDummy2[ 2 ]; + #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 ) + TickType_t xDummy1; + #endif + TickType_t xDummy2; + void *pvDummy3[ 2 ]; }; typedef struct xSTATIC_MINI_LIST_ITEM StaticMiniListItem_t; /* See the comments above the struct xSTATIC_LIST_ITEM definition. */ typedef struct xSTATIC_LIST { - UBaseType_t uxDummy1; - void *pvDummy2; - StaticMiniListItem_t xDummy3; + #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 ) + TickType_t xDummy1; + #endif + UBaseType_t uxDummy2; + void *pvDummy3; + StaticMiniListItem_t xDummy4; + #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 ) + TickType_t xDummy5; + #endif } StaticList_t; /* @@ -1026,14 +1122,16 @@ typedef struct xSTATIC_TCB uint32_t ulDummy18; uint8_t ucDummy19; #endif - #if( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) + #if ( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) uint8_t uxDummy20; #endif #if( INCLUDE_xTaskAbortDelay == 1 ) uint8_t ucDummy21; #endif - + #if ( configUSE_POSIX_ERRNO == 1 ) + int iDummy22; + #endif } StaticTask_t; /* @@ -1128,16 +1226,12 @@ typedef struct xSTATIC_TIMER void *pvDummy1; StaticListItem_t xDummy2; TickType_t xDummy3; - UBaseType_t uxDummy4; void *pvDummy5; TaskFunction_t pvDummy6; #if( configUSE_TRACE_FACILITY == 1 ) UBaseType_t uxDummy7; #endif - - #if( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) - uint8_t ucDummy8; - #endif + uint8_t ucDummy8; } StaticTimer_t; diff --git a/FreeRTOS/Source/include/FreeRTOSConfig.h b/FreeRTOS/Source/include/FreeRTOSConfig.h index 3600fb6..6b4f84f 100644 --- a/FreeRTOS/Source/include/FreeRTOSConfig.h +++ b/FreeRTOS/Source/include/FreeRTOSConfig.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.0 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in diff --git a/FreeRTOS/Source/include/croutine.h b/FreeRTOS/Source/include/croutine.h index f4c54d2..a70491e 100644 --- a/FreeRTOS/Source/include/croutine.h +++ b/FreeRTOS/Source/include/croutine.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in diff --git a/FreeRTOS/Source/include/deprecated_definitions.h b/FreeRTOS/Source/include/deprecated_definitions.h index 1125673..cfee927 100644 --- a/FreeRTOS/Source/include/deprecated_definitions.h +++ b/FreeRTOS/Source/include/deprecated_definitions.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in diff --git a/FreeRTOS/Source/include/event_groups.h b/FreeRTOS/Source/include/event_groups.h index 69ec2e6..7beb0ac 100644 --- a/FreeRTOS/Source/include/event_groups.h +++ b/FreeRTOS/Source/include/event_groups.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -78,7 +78,8 @@ extern "C" { * \defgroup EventGroupHandle_t EventGroupHandle_t * \ingroup EventGroup */ -typedef void * EventGroupHandle_t; +struct EventGroupDef_t; +typedef struct EventGroupDef_t * EventGroupHandle_t; /* * The type that holds event bits always matches TickType_t - therefore the @@ -404,7 +405,7 @@ EventBits_t xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBit * \ingroup EventGroup */ #if( configUSE_TRACE_FACILITY == 1 ) - BaseType_t xEventGroupClearBitsFromISR( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ) PRIVILEGED_FUNCTION; + BaseType_t xEventGroupClearBitsFromISR( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) PRIVILEGED_FUNCTION; #else #define xEventGroupClearBitsFromISR( xEventGroup, uxBitsToClear ) xTimerPendFunctionCallFromISR( vEventGroupClearBitsCallback, ( void * ) xEventGroup, ( uint32_t ) uxBitsToClear, NULL ) #endif diff --git a/FreeRTOS/Source/include/list.h b/FreeRTOS/Source/include/list.h index 4a3afa1..48ad64d 100644 --- a/FreeRTOS/Source/include/list.h +++ b/FreeRTOS/Source/include/list.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -136,6 +136,7 @@ use of FreeRTOS.*/ /* * Definition of the only type of object that a list can contain. */ +struct xLIST; struct xLIST_ITEM { listFIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */ @@ -143,7 +144,7 @@ struct xLIST_ITEM struct xLIST_ITEM * configLIST_VOLATILE pxNext; /*< Pointer to the next ListItem_t in the list. */ struct xLIST_ITEM * configLIST_VOLATILE pxPrevious; /*< Pointer to the previous ListItem_t in the list. */ void * pvOwner; /*< Pointer to the object (normally a TCB) that contains the list item. There is therefore a two way link between the object containing the list item and the list item itself. */ - void * configLIST_VOLATILE pvContainer; /*< Pointer to the list in which this list item is placed (if any). */ + struct xLIST * configLIST_VOLATILE pxContainer; /*< Pointer to the list in which this list item is placed (if any). */ listSECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */ }; typedef struct xLIST_ITEM ListItem_t; /* For some reason lint wants this as two separate definitions. */ @@ -246,7 +247,7 @@ typedef struct xLIST * \page listLIST_IS_EMPTY listLIST_IS_EMPTY * \ingroup LinkedList */ -#define listLIST_IS_EMPTY( pxList ) ( ( BaseType_t ) ( ( pxList )->uxNumberOfItems == ( UBaseType_t ) 0 ) ) +#define listLIST_IS_EMPTY( pxList ) ( ( ( pxList )->uxNumberOfItems == ( UBaseType_t ) 0 ) ? pdTRUE : pdFALSE ) /* * Access macro to return the number of items in the list. @@ -314,7 +315,7 @@ List_t * const pxConstList = ( pxList ); \ * @param pxListItem The list item we want to know if is in the list. * @return pdTRUE if the list item is in the list, otherwise pdFALSE. */ -#define listIS_CONTAINED_WITHIN( pxList, pxListItem ) ( ( BaseType_t ) ( ( pxListItem )->pvContainer == ( void * ) ( pxList ) ) ) +#define listIS_CONTAINED_WITHIN( pxList, pxListItem ) ( ( ( pxListItem )->pxContainer == ( pxList ) ) ? ( pdTRUE ) : ( pdFALSE ) ) /* * Return the list a list item is contained within (referenced from). @@ -322,7 +323,7 @@ List_t * const pxConstList = ( pxList ); \ * @param pxListItem The list item being queried. * @return A pointer to the List_t object that references the pxListItem */ -#define listLIST_ITEM_CONTAINER( pxListItem ) ( ( pxListItem )->pvContainer ) +#define listLIST_ITEM_CONTAINER( pxListItem ) ( ( pxListItem )->pxContainer ) /* * This provides a crude means of knowing if a list has been initialised, as diff --git a/FreeRTOS/Source/include/message_buffer.h b/FreeRTOS/Source/include/message_buffer.h index 396cffd..8ec2be3 100644 --- a/FreeRTOS/Source/include/message_buffer.h +++ b/FreeRTOS/Source/include/message_buffer.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in diff --git a/FreeRTOS/Source/include/mpu_prototypes.h b/FreeRTOS/Source/include/mpu_prototypes.h index 118988b..8105038 100644 --- a/FreeRTOS/Source/include/mpu_prototypes.h +++ b/FreeRTOS/Source/include/mpu_prototypes.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -38,117 +38,118 @@ #define MPU_PROTOTYPES_H /* MPU versions of tasks.h API functions. */ -BaseType_t MPU_xTaskCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask ); -TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode, const char * const pcName, const uint32_t ulStackDepth, void * const pvParameters, UBaseType_t uxPriority, StackType_t * const puxStackBuffer, StaticTask_t * const pxTaskBuffer ); -BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ); -BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ); -void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask, const MemoryRegion_t * const pxRegions ); -void MPU_vTaskDelete( TaskHandle_t xTaskToDelete ); -void MPU_vTaskDelay( const TickType_t xTicksToDelay ); -void MPU_vTaskDelayUntil( TickType_t * const pxPreviousWakeTime, const TickType_t xTimeIncrement ); -BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ); -UBaseType_t MPU_uxTaskPriorityGet( TaskHandle_t xTask ); -eTaskState MPU_eTaskGetState( TaskHandle_t xTask ); -void MPU_vTaskGetInfo( TaskHandle_t xTask, TaskStatus_t *pxTaskStatus, BaseType_t xGetFreeStackSpace, eTaskState eState ); -void MPU_vTaskPrioritySet( TaskHandle_t xTask, UBaseType_t uxNewPriority ); -void MPU_vTaskSuspend( TaskHandle_t xTaskToSuspend ); -void MPU_vTaskResume( TaskHandle_t xTaskToResume ); -void MPU_vTaskStartScheduler( void ); -void MPU_vTaskSuspendAll( void ); -BaseType_t MPU_xTaskResumeAll( void ); -TickType_t MPU_xTaskGetTickCount( void ); -UBaseType_t MPU_uxTaskGetNumberOfTasks( void ); -char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ); -TaskHandle_t MPU_xTaskGetHandle( const char *pcNameToQuery ); -UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ); -void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxHookFunction ); -TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ); -void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue ); -void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex ); -BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter ); -TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ); -UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray, const UBaseType_t uxArraySize, uint32_t * const pulTotalRunTime ); -void MPU_vTaskList( char * pcWriteBuffer ); -void MPU_vTaskGetRunTimeStats( char *pcWriteBuffer ); -BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue ); -BaseType_t MPU_xTaskNotifyWait( uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t *pulNotificationValue, TickType_t xTicksToWait ); -uint32_t MPU_ulTaskNotifyTake( BaseType_t xClearCountOnExit, TickType_t xTicksToWait ); -BaseType_t MPU_xTaskNotifyStateClear( TaskHandle_t xTask ); -BaseType_t MPU_xTaskIncrementTick( void ); -TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ); -void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ); -BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ); -void MPU_vTaskMissedYield( void ); -BaseType_t MPU_xTaskGetSchedulerState( void ); +BaseType_t MPU_xTaskCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode, const char * const pcName, const uint32_t ulStackDepth, void * const pvParameters, UBaseType_t uxPriority, StackType_t * const puxStackBuffer, StaticTask_t * const pxTaskBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask, const MemoryRegion_t * const pxRegions ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskDelete( TaskHandle_t xTaskToDelete ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskDelay( const TickType_t xTicksToDelay ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskDelayUntil( TickType_t * const pxPreviousWakeTime, const TickType_t xTimeIncrement ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +eTaskState MPU_eTaskGetState( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskGetInfo( TaskHandle_t xTask, TaskStatus_t *pxTaskStatus, BaseType_t xGetFreeStackSpace, eTaskState eState ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskPrioritySet( TaskHandle_t xTask, UBaseType_t uxNewPriority ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSuspend( TaskHandle_t xTaskToSuspend ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskResume( TaskHandle_t xTaskToResume ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskStartScheduler( void ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSuspendAll( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskResumeAll( void ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTaskGetTickCount( void ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) FREERTOS_SYSTEM_CALL; +char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskGetHandle( const char *pcNameToQuery ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxHookFunction ) FREERTOS_SYSTEM_CALL; +TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue ) FREERTOS_SYSTEM_CALL; +void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray, const UBaseType_t uxArraySize, uint32_t * const pulTotalRunTime ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTaskGetIdleRunTimeCounter( void ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskList( char * pcWriteBuffer ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskGetRunTimeStats( char *pcWriteBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskNotifyWait( uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t *pulNotificationValue, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +uint32_t MPU_ulTaskNotifyTake( BaseType_t xClearCountOnExit, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskNotifyStateClear( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskIncrementTick( void ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskMissedYield( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskGetSchedulerState( void ) FREERTOS_SYSTEM_CALL; /* MPU versions of queue.h API functions. */ -BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, const BaseType_t xCopyPosition ); -BaseType_t MPU_xQueueReceive( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ); -BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ); -BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ); -UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t xQueue ); -UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ); -void MPU_vQueueDelete( QueueHandle_t xQueue ); -QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ); -QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t *pxStaticQueue ); -QueueHandle_t MPU_xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount ); -QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ); -void* MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ); -BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xTicksToWait ); -BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t pxMutex ); -void MPU_vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcName ); -void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ); -const char * MPU_pcQueueGetName( QueueHandle_t xQueue ); -QueueHandle_t MPU_xQueueGenericCreate( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, const uint8_t ucQueueType ); -QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, StaticQueue_t *pxStaticQueue, const uint8_t ucQueueType ); -QueueSetHandle_t MPU_xQueueCreateSet( const UBaseType_t uxEventQueueLength ); -BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ); -BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ); -QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet, const TickType_t xTicksToWait ); -BaseType_t MPU_xQueueGenericReset( QueueHandle_t xQueue, BaseType_t xNewQueue ); -void MPU_vQueueSetQueueNumber( QueueHandle_t xQueue, UBaseType_t uxQueueNumber ); -UBaseType_t MPU_uxQueueGetQueueNumber( QueueHandle_t xQueue ); -uint8_t MPU_ucQueueGetQueueType( QueueHandle_t xQueue ); +BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, const BaseType_t xCopyPosition ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueReceive( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueDelete( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t *pxStaticQueue ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t pxMutex ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcName ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +const char * MPU_pcQueueGetName( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueGenericCreate( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, const uint8_t ucQueueType ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, StaticQueue_t *pxStaticQueue, const uint8_t ucQueueType ) FREERTOS_SYSTEM_CALL; +QueueSetHandle_t MPU_xQueueCreateSet( const UBaseType_t uxEventQueueLength ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) FREERTOS_SYSTEM_CALL; +QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet, const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueGenericReset( QueueHandle_t xQueue, BaseType_t xNewQueue ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueSetQueueNumber( QueueHandle_t xQueue, UBaseType_t uxQueueNumber ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxQueueGetQueueNumber( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +uint8_t MPU_ucQueueGetQueueType( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; /* MPU versions of timers.h API functions. */ -TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ); -TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ); -void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ); -void MPU_vTimerSetTimerID( TimerHandle_t xTimer, void *pvNewID ); -BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ); -TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ); -BaseType_t MPU_xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, void *pvParameter1, uint32_t ulParameter2, TickType_t xTicksToWait ); -const char * MPU_pcTimerGetName( TimerHandle_t xTimer ); -TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ); -TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ); -BaseType_t MPU_xTimerCreateTimerTask( void ); -BaseType_t MPU_xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ); +TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ) FREERTOS_SYSTEM_CALL; +TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ) FREERTOS_SYSTEM_CALL; +void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +void MPU_vTimerSetTimerID( TimerHandle_t xTimer, void *pvNewID ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, void *pvParameter1, uint32_t ulParameter2, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +void MPU_vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerCreateTimerTask( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; /* MPU versions of event_group.h API functions. */ -EventGroupHandle_t MPU_xEventGroupCreate( void ); -EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t *pxEventGroupBuffer ); -EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ); -EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ); -EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ); -EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ); -void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ); -UBaseType_t MPU_uxEventGroupGetNumber( void* xEventGroup ); +EventGroupHandle_t MPU_xEventGroupCreate( void ) FREERTOS_SYSTEM_CALL; +EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t *pxEventGroupBuffer ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxEventGroupGetNumber( void* xEventGroup ) FREERTOS_SYSTEM_CALL; /* MPU versions of message/stream_buffer.h API functions. */ -size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait ); -size_t MPU_xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, BaseType_t * const pxHigherPriorityTaskWoken ); -size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait ); -size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ); -size_t MPU_xStreamBufferReceiveFromISR( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, BaseType_t * const pxHigherPriorityTaskWoken ); -void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ); -size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ); -size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel ); -StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer ); -StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, uint8_t * const pucStreamBufferStorageArea, StaticStreamBuffer_t * const pxStaticStreamBuffer ); +size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel ) FREERTOS_SYSTEM_CALL; +StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer ) FREERTOS_SYSTEM_CALL; +StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, uint8_t * const pucStreamBufferStorageArea, StaticStreamBuffer_t * const pxStaticStreamBuffer ) FREERTOS_SYSTEM_CALL; diff --git a/FreeRTOS/Source/include/mpu_wrappers.h b/FreeRTOS/Source/include/mpu_wrappers.h index f7c97c3..465e586 100644 --- a/FreeRTOS/Source/include/mpu_wrappers.h +++ b/FreeRTOS/Source/include/mpu_wrappers.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -67,6 +67,7 @@ only for ports that are using the MPU. */ #define pcTaskGetName MPU_pcTaskGetName #define xTaskGetHandle MPU_xTaskGetHandle #define uxTaskGetStackHighWaterMark MPU_uxTaskGetStackHighWaterMark + #define uxTaskGetStackHighWaterMark2 MPU_uxTaskGetStackHighWaterMark2 #define vTaskSetApplicationTaskTag MPU_vTaskSetApplicationTaskTag #define xTaskGetApplicationTaskTag MPU_xTaskGetApplicationTaskTag #define vTaskSetThreadLocalStoragePointer MPU_vTaskSetThreadLocalStoragePointer @@ -76,6 +77,7 @@ only for ports that are using the MPU. */ #define uxTaskGetSystemState MPU_uxTaskGetSystemState #define vTaskList MPU_vTaskList #define vTaskGetRunTimeStats MPU_vTaskGetRunTimeStats + #define xTaskGetIdleRunTimeCounter MPU_xTaskGetIdleRunTimeCounter #define xTaskGenericNotify MPU_xTaskGenericNotify #define xTaskNotifyWait MPU_xTaskNotifyWait #define ulTaskNotifyTake MPU_ulTaskNotifyTake @@ -124,6 +126,7 @@ only for ports that are using the MPU. */ #define xTimerGetTimerDaemonTaskHandle MPU_xTimerGetTimerDaemonTaskHandle #define xTimerPendFunctionCall MPU_xTimerPendFunctionCall #define pcTimerGetName MPU_pcTimerGetName + #define vTimerSetReloadMode MPU_vTimerSetReloadMode #define xTimerGetPeriod MPU_xTimerGetPeriod #define xTimerGetExpiryTime MPU_xTimerGetExpiryTime #define xTimerGenericCommand MPU_xTimerGenericCommand @@ -140,10 +143,8 @@ only for ports that are using the MPU. */ /* Map standard message/stream_buffer.h API functions to the MPU equivalents. */ #define xStreamBufferSend MPU_xStreamBufferSend - #define xStreamBufferSendFromISR MPU_xStreamBufferSendFromISR #define xStreamBufferReceive MPU_xStreamBufferReceive #define xStreamBufferNextMessageLengthBytes MPU_xStreamBufferNextMessageLengthBytes - #define xStreamBufferReceiveFromISR MPU_xStreamBufferReceiveFromISR #define vStreamBufferDelete MPU_vStreamBufferDelete #define xStreamBufferIsFull MPU_xStreamBufferIsFull #define xStreamBufferIsEmpty MPU_xStreamBufferIsEmpty @@ -160,12 +161,14 @@ only for ports that are using the MPU. */ (useful when using statically allocated objects). */ #define PRIVILEGED_FUNCTION #define PRIVILEGED_DATA __attribute__((section("privileged_data"))) + #define FREERTOS_SYSTEM_CALL #else /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE */ /* Ensure API functions go in the privileged execution section. */ #define PRIVILEGED_FUNCTION __attribute__((section("privileged_functions"))) #define PRIVILEGED_DATA __attribute__((section("privileged_data"))) + #define FREERTOS_SYSTEM_CALL __attribute__((section( "freertos_system_calls"))) #endif /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE */ @@ -173,6 +176,7 @@ only for ports that are using the MPU. */ #define PRIVILEGED_FUNCTION #define PRIVILEGED_DATA + #define FREERTOS_SYSTEM_CALL #define portUSING_MPU_WRAPPERS 0 #endif /* portUSING_MPU_WRAPPERS */ diff --git a/FreeRTOS/Source/include/portable.h b/FreeRTOS/Source/include/portable.h index 3d0ef0a..1b99ed1 100644 --- a/FreeRTOS/Source/include/portable.h +++ b/FreeRTOS/Source/include/portable.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -84,6 +84,14 @@ must be set in the compiler's include path. */ #define portNUM_CONFIGURABLE_REGIONS 1 #endif +#ifndef portHAS_STACK_OVERFLOW_CHECKING + #define portHAS_STACK_OVERFLOW_CHECKING 0 +#endif + +#ifndef portARCH_NAME + #define portARCH_NAME NULL +#endif + #ifdef __cplusplus extern "C" { #endif @@ -97,9 +105,17 @@ extern "C" { * */ #if( portUSING_MPU_WRAPPERS == 1 ) - StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) PRIVILEGED_FUNCTION; + #if( portHAS_STACK_OVERFLOW_CHECKING == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) PRIVILEGED_FUNCTION; + #else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) PRIVILEGED_FUNCTION; + #endif #else - StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION; + #if( portHAS_STACK_OVERFLOW_CHECKING == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION; + #else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION; + #endif #endif /* Used by heap_5.c. */ diff --git a/FreeRTOS/Source/include/projdefs.h b/FreeRTOS/Source/include/projdefs.h index 27337a8..155b90e 100644 --- a/FreeRTOS/Source/include/projdefs.h +++ b/FreeRTOS/Source/include/projdefs.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in diff --git a/FreeRTOS/Source/include/queue.h b/FreeRTOS/Source/include/queue.h index abfb7ae..d596b0f 100644 --- a/FreeRTOS/Source/include/queue.h +++ b/FreeRTOS/Source/include/queue.h @@ -1,6 +1,6 @@ /* - * FreeRTOS Kernel V10.0.1 - * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in @@ -37,27 +37,29 @@ extern "C" { #endif +#include "task.h" /** * Type by which queues are referenced. For example, a call to xQueueCreate() * returns an QueueHandle_t variable that can then be used as a parameter to * xQueueSend(), xQueueReceive(), etc. */ -typedef void * QueueHandle_t; +struct QueueDefinition; /* Using old naming convention so as not to break kernel aware debuggers. */ +typedef struct QueueDefinition * QueueHandle_t; /** * Type by which queue sets are referenced. For example, a call to * xQueueCreateSet() returns an xQueueSet variable that can then be used as a * parameter to xQueueSelectFromSet(), xQueueAddToSet(), etc. */ -typedef void * QueueSetHandle_t; +typedef struct QueueDefinition * QueueSetHandle_t; /** * Queue sets can contain both queues and semaphores, so the * QueueSetMemberHandle_t is defined as a type to be used where a parameter or * return value can be either an QueueHandle_t or an SemaphoreHandle_t. */ -typedef void * QueueSetMemberHandle_t; +typedef struct QueueDefinition * QueueSetMemberHandle_t; /* For internal use only. */ #define queueSEND_TO_BACK ( ( BaseType_t ) 0 ) @@ -233,7 +235,7 @@ typedef void * QueueSetMemberHandle_t; /** * queue. h * 
- BaseType_t xQueueSendToFront(
+ BaseType_t xQueueSendToToFront(
 								   QueueHandle_t	xQueue,
 								   const void		*pvItemToQueue,
 								   TickType_t		xTicksToWait
@@ -1414,15 +1416,15 @@ QueueHandle_t xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t
 QueueHandle_t xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount ) PRIVILEGED_FUNCTION;
 QueueHandle_t xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ) PRIVILEGED_FUNCTION;
 BaseType_t xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ) PRIVILEGED_FUNCTION;
-void* xQueueGetMutexHolder( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION;
-void* xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION;
+TaskHandle_t xQueueGetMutexHolder( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION;
+TaskHandle_t xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION;
 
 /*
  * For internal use only.  Use xSemaphoreTakeMutexRecursive() or
  * xSemaphoreGiveMutexRecursive() instead of calling these functions directly.
  */
 BaseType_t xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xTicksToWait ) PRIVILEGED_FUNCTION;
-BaseType_t xQueueGiveMutexRecursive( QueueHandle_t pxMutex ) PRIVILEGED_FUNCTION;
+BaseType_t xQueueGiveMutexRecursive( QueueHandle_t xMutex ) PRIVILEGED_FUNCTION;
 
 /*
  * Reset a queue back to its original empty state.  The return value is now
@@ -1453,7 +1455,7 @@ BaseType_t xQueueGiveMutexRecursive( QueueHandle_t pxMutex ) PRIVILEGED_FUNCTION
  * preferably in ROM/Flash), not on the stack.
  */
 #if( configQUEUE_REGISTRY_SIZE > 0 )
-	void vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcName ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
+	void vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcQueueName ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 #endif
 
 /*
diff --git a/FreeRTOS/Source/include/semphr.h b/FreeRTOS/Source/include/semphr.h
index e603b4a..9e9e83f 100644
--- a/FreeRTOS/Source/include/semphr.h
+++ b/FreeRTOS/Source/include/semphr.h
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/FreeRTOS/Source/include/stack_macros.h b/FreeRTOS/Source/include/stack_macros.h
index 79a83ea..e7e259c 100644
--- a/FreeRTOS/Source/include/stack_macros.h
+++ b/FreeRTOS/Source/include/stack_macros.h
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -82,10 +82,10 @@
 		const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack;							\
 		const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5;											\
 																										\
-		if( ( pulStack[ 0 ] != ulCheckValue ) ||												\
-			( pulStack[ 1 ] != ulCheckValue ) ||												\
-			( pulStack[ 2 ] != ulCheckValue ) ||												\
-			( pulStack[ 3 ] != ulCheckValue ) )												\
+		if( ( pulStack[ 0 ] != ulCheckValue ) ||														\
+			( pulStack[ 1 ] != ulCheckValue ) ||														\
+			( pulStack[ 2 ] != ulCheckValue ) ||														\
+			( pulStack[ 3 ] != ulCheckValue ) )															\
 		{																								\
 			vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName );	\
 		}																								\
diff --git a/FreeRTOS/Source/include/stream_buffer.h b/FreeRTOS/Source/include/stream_buffer.h
index 8f91968..022d5e1 100644
--- a/FreeRTOS/Source/include/stream_buffer.h
+++ b/FreeRTOS/Source/include/stream_buffer.h
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -61,7 +61,8 @@ extern "C" {
  * then be used as a parameter to xStreamBufferSend(), xStreamBufferReceive(),
  * etc.
  */
-typedef void * StreamBufferHandle_t;
+struct StreamBufferDef_t;
+typedef struct StreamBufferDef_t * StreamBufferHandle_t;
 
 
 /**
@@ -220,7 +221,7 @@ size_t xStreamBufferSend( StreamBufferHandle_t xStreamBuffer,
                           const void *pvTxData,
                           size_t xDataLengthBytes,
                           TickType_t xTicksToWait );
-
+

  *
  * Sends bytes to a stream buffer.  The bytes are copied into the stream buffer.
  *
@@ -317,7 +318,7 @@ size_t xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer,
                                  const void *pvTxData,
                                  size_t xDataLengthBytes,
                                  BaseType_t *pxHigherPriorityTaskWoken );
-
+

  *
  * Interrupt safe version of the API function that sends a stream of bytes to
  * the stream buffer.
diff --git a/FreeRTOS/Source/include/task.h b/FreeRTOS/Source/include/task.h
index b559a4e..8c8653a 100644
--- a/FreeRTOS/Source/include/task.h
+++ b/FreeRTOS/Source/include/task.h
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -43,10 +43,18 @@ extern "C" {
  * MACROS AND DEFINITIONS
  *----------------------------------------------------------*/
 
-#define tskKERNEL_VERSION_NUMBER "V10.0.1"
+#define tskKERNEL_VERSION_NUMBER "V10.2.0"
 #define tskKERNEL_VERSION_MAJOR 10
-#define tskKERNEL_VERSION_MINOR 0
-#define tskKERNEL_VERSION_BUILD 1
+#define tskKERNEL_VERSION_MINOR 2
+#define tskKERNEL_VERSION_BUILD 0
+
+/* MPU region parameters passed in ulParameters
+ * of MemoryRegion_t struct. */
+#define tskMPU_REGION_READ_ONLY			( 1UL << 0UL )
+#define tskMPU_REGION_READ_WRITE		( 1UL << 1UL )
+#define tskMPU_REGION_EXECUTE_NEVER		( 1UL << 2UL )
+#define tskMPU_REGION_NORMAL_MEMORY		( 1UL << 3UL )
+#define tskMPU_REGION_DEVICE_MEMORY		( 1UL << 4UL )
 
 /**
  * task. h
@@ -58,7 +66,8 @@ extern "C" {
  * \defgroup TaskHandle_t TaskHandle_t
  * \ingroup Tasks
  */
-typedef void * TaskHandle_t;
+struct tskTaskControlBlock; /* The old naming convention is used to prevent breaking kernel aware debuggers. */
+typedef struct tskTaskControlBlock* TaskHandle_t;
 
 /*
  * Defines the prototype to which the application task hook function must
@@ -74,7 +83,7 @@ typedef enum
 	eBlocked,		/* The task being queried is in the Blocked state. */
 	eSuspended,		/* The task being queried is in the Suspended state, or is in the Blocked state with an infinite time out. */
 	eDeleted,		/* The task being queried has been deleted, but its TCB has not yet been freed. */
-	eInvalid			/* Used as an 'invalid state' value. */
+	eInvalid		/* Used as an 'invalid state' value. */
 } eTaskState;
 
 /* Actions that can be performed when vTaskNotify() is called. */
@@ -113,7 +122,7 @@ typedef struct xTASK_PARAMETERS
 {
 	TaskFunction_t pvTaskCode;
 	const char * const pcName;	/*lint !e971 Unqualified char types are allowed for strings and single characters only. */
-	uint16_t usStackDepth;
+	configSTACK_DEPTH_TYPE usStackDepth;
 	void *pvParameters;
 	UBaseType_t uxPriority;
 	StackType_t *puxStackBuffer;
@@ -375,9 +384,9 @@ is used in assert() statements. */
  * memory to be allocated dynamically.
  *
  * @return If neither pxStackBuffer or pxTaskBuffer are NULL, then the task will
- * be created and pdPASS is returned.  If either pxStackBuffer or pxTaskBuffer
- * are NULL then the task will not be created and
- * errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY is returned.
+ * be created and a handle to the created task is returned.  If either
+ * pxStackBuffer or pxTaskBuffer are NULL then the task will not be created and
+ * NULL is returned.
  *
  * Example usage:
    
@@ -834,7 +843,7 @@ BaseType_t xTaskAbortDelay( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 
 /**
  * task. h
- * 
UBaseType_t uxTaskPriorityGet( TaskHandle_t xTask );

+ * 
UBaseType_t uxTaskPriorityGet( const TaskHandle_t xTask );

  *
  * INCLUDE_uxTaskPriorityGet must be defined as 1 for this function to be available.
  * See the configuration section for more information.
@@ -877,15 +886,15 @@ BaseType_t xTaskAbortDelay( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
  * \defgroup uxTaskPriorityGet uxTaskPriorityGet
  * \ingroup TaskCtrl
  */
-UBaseType_t uxTaskPriorityGet( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
+UBaseType_t uxTaskPriorityGet( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 
 /**
  * task. h
- * 
UBaseType_t uxTaskPriorityGetFromISR( TaskHandle_t xTask );

+ * 
UBaseType_t uxTaskPriorityGetFromISR( const TaskHandle_t xTask );

  *
  * A version of uxTaskPriorityGet() that can be used from an ISR.
  */
-UBaseType_t uxTaskPriorityGetFromISR( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
+UBaseType_t uxTaskPriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 
 /**
  * task. h
@@ -1412,6 +1421,12 @@ TaskHandle_t xTaskGetHandle( const char *pcNameToQuery ) PRIVILEGED_FUNCTION; /*
  * a value of 1 means 4 bytes) since the task started.  The smaller the returned
  * number the closer the task has come to overflowing its stack.
  *
+ * uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are the
+ * same except for their return type.  Using configSTACK_DEPTH_TYPE allows the
+ * user to determine the return type.  It gets around the problem of the value
+ * overflowing on 8-bit types without breaking backward compatibility for
+ * applications that expect an 8-bit return type.
+ *
  * @param xTask Handle of the task associated with the stack to be checked.
  * Set xTask to NULL to check the stack of the calling task.
  *
@@ -1421,6 +1436,33 @@ TaskHandle_t xTaskGetHandle( const char *pcNameToQuery ) PRIVILEGED_FUNCTION; /*
  */
 UBaseType_t uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 
+/**
+ * task.h
+ * 
configSTACK_DEPTH_TYPE uxTaskGetStackHighWaterMark2( TaskHandle_t xTask );

+ *
+ * INCLUDE_uxTaskGetStackHighWaterMark2 must be set to 1 in FreeRTOSConfig.h for
+ * this function to be available.
+ *
+ * Returns the high water mark of the stack associated with xTask.  That is,
+ * the minimum free stack space there has been (in words, so on a 32 bit machine
+ * a value of 1 means 4 bytes) since the task started.  The smaller the returned
+ * number the closer the task has come to overflowing its stack.
+ *
+ * uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are the
+ * same except for their return type.  Using configSTACK_DEPTH_TYPE allows the
+ * user to determine the return type.  It gets around the problem of the value
+ * overflowing on 8-bit types without breaking backward compatibility for
+ * applications that expect an 8-bit return type.
+ *
+ * @param xTask Handle of the task associated with the stack to be checked.
+ * Set xTask to NULL to check the stack of the calling task.
+ *
+ * @return The smallest amount of free stack space there has been (in words, so
+ * actual spaces on the stack rather than bytes) since the task referenced by
+ * xTask was created.
+ */
+configSTACK_DEPTH_TYPE uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
+
 /* When using trace macros it is sometimes necessary to include task.h before
 FreeRTOS.h.  When this is done TaskHookFunction_t will not yet have been defined,
 so the following two prototypes will cause a compilation error.  This can be
@@ -1443,9 +1485,20 @@ constant. */
 		 * task.h
 		 * 
void xTaskGetApplicationTaskTag( TaskHandle_t xTask );

 		 *
-		 * Returns the pxHookFunction value assigned to the task xTask.
+		 * Returns the pxHookFunction value assigned to the task xTask.  Do not
+		 * call from an interrupt service routine - call
+		 * xTaskGetApplicationTaskTagFromISR() instead.
 		 */
 		TaskHookFunction_t xTaskGetApplicationTaskTag( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
+
+		/**
+		 * task.h
+		 * 
void xTaskGetApplicationTaskTagFromISR( TaskHandle_t xTask );

+		 *
+		 * Returns the pxHookFunction value assigned to the task xTask.  Can
+		 * be called from an interrupt service routine.
+		 */
+		TaskHookFunction_t xTaskGetApplicationTaskTagFromISR( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 	#endif /* configUSE_APPLICATION_TASK_TAG ==1 */
 #endif /* ifdef configUSE_APPLICATION_TASK_TAG */
 
@@ -1683,6 +1736,36 @@ void vTaskList( char * pcWriteBuffer ) PRIVILEGED_FUNCTION; /*lint !e971 Unquali
  */
 void vTaskGetRunTimeStats( char *pcWriteBuffer ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 
+/**
+* task. h
+* 
TickType_t xTaskGetIdleRunTimeCounter( void );

+*
+* configGENERATE_RUN_TIME_STATS and configUSE_STATS_FORMATTING_FUNCTIONS
+* must both be defined as 1 for this function to be available.  The application
+* must also then provide definitions for
+* portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() and portGET_RUN_TIME_COUNTER_VALUE()
+* to configure a peripheral timer/counter and return the timers current count
+* value respectively.  The counter should be at least 10 times the frequency of
+* the tick count.
+*
+* Setting configGENERATE_RUN_TIME_STATS to 1 will result in a total
+* accumulated execution time being stored for each task.  The resolution
+* of the accumulated time value depends on the frequency of the timer
+* configured by the portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() macro.
+* While uxTaskGetSystemState() and vTaskGetRunTimeStats() writes the total
+* execution time of each task into a buffer, xTaskGetIdleRunTimeCounter()
+* returns the total execution time of just the idle task.
+*
+* @return The total run time of the idle task.  This is the amount of time the
+* idle task has actually been executing.  The unit of time is dependent on the
+* frequency configured using the portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() and
+* portGET_RUN_TIME_COUNTER_VALUE() macros.
+*
+* \defgroup xTaskGetIdleRunTimeCounter xTaskGetIdleRunTimeCounter
+* \ingroup TaskUtils
+*/
+TickType_t xTaskGetIdleRunTimeCounter( void ) PRIVILEGED_FUNCTION;
+
 /**
  * task. h
  * 
BaseType_t xTaskNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction );

@@ -2301,7 +2384,7 @@ void vTaskSetTaskNumber( TaskHandle_t xTask, const UBaseType_t uxHandle ) PRIVIL
 void vTaskStepTick( const TickType_t xTicksToJump ) PRIVILEGED_FUNCTION;
 
 /*
- * Only avilable when configUSE_TICKLESS_IDLE is set to 1.
+ * Only available when configUSE_TICKLESS_IDLE is set to 1.
  * Provided for use within portSUPPRESS_TICKS_AND_SLEEP() to allow the port
  * specific sleep function to determine if it is ok to proceed with the sleep,
  * and if it is ok to proceed, if it is ok to sleep indefinitely.
@@ -2320,7 +2403,7 @@ eSleepModeStatus eTaskConfirmSleepModeStatus( void ) PRIVILEGED_FUNCTION;
  * For internal use only.  Increment the mutex held count when a mutex is
  * taken and return the handle of the task that has taken the mutex.
  */
-void *pvTaskIncrementMutexHeldCount( void ) PRIVILEGED_FUNCTION;
+TaskHandle_t pvTaskIncrementMutexHeldCount( void ) PRIVILEGED_FUNCTION;
 
 /*
  * For internal use only.  Same as vTaskSetTimeOutState(), but without a critial
diff --git a/FreeRTOS/Source/include/timers.h b/FreeRTOS/Source/include/timers.h
index 05eb90f..c372bfb 100644
--- a/FreeRTOS/Source/include/timers.h
+++ b/FreeRTOS/Source/include/timers.h
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -73,7 +73,8 @@ or interrupt version of the queue send function should be used. */
  * reference the subject timer in calls to other software timer API functions
  * (for example, xTimerStart(), xTimerReset(), etc.).
  */
-typedef void * TimerHandle_t;
+struct tmrTimerControl; /* The old naming convention is used to prevent breaking kernel aware debuggers. */
+typedef struct tmrTimerControl * TimerHandle_t;
 
 /*
  * Defines the prototype to which timer callback functions must conform.
@@ -1230,6 +1231,23 @@ BaseType_t xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, void *pvPar
  */
 const char * pcTimerGetName( TimerHandle_t xTimer ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 
+/**
+ * void vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload );
+ *
+ * Updates a timer to be either an autoreload timer, in which case the timer
+ * automatically resets itself each time it expires, or a one shot timer, in
+ * which case the timer will only expire once unless it is manually restarted.
+ *
+ * @param xTimer The handle of the timer being updated.
+ *
+ * @param uxAutoReload If uxAutoReload is set to pdTRUE then the timer will
+ * expire repeatedly with a frequency set by the timer's period (see the
+ * xTimerPeriodInTicks parameter of the xTimerCreate() API function).  If
+ * uxAutoReload is set to pdFALSE then the timer will be a one-shot timer and
+ * enter the dormant state after it expires.
+ */
+void vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload ) PRIVILEGED_FUNCTION;
+
 /**
  * TickType_t xTimerGetPeriod( TimerHandle_t xTimer );
  *
diff --git a/FreeRTOS/Source/list.c b/FreeRTOS/Source/list.c
index 1412776..bc02c0c 100644
--- a/FreeRTOS/Source/list.c
+++ b/FreeRTOS/Source/list.c
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -39,7 +39,7 @@ void vListInitialise( List_t * const pxList )
 	/* The list structure contains a list item which is used to mark the
 	end of the list.  To initialise the list the list end is inserted
 	as the only list entry. */
-	pxList->pxIndex = ( ListItem_t * ) &( pxList->xListEnd );			/*lint !e826 !e740 The mini list structure is used as the list end to save RAM.  This is checked and valid. */
+	pxList->pxIndex = ( ListItem_t * ) &( pxList->xListEnd );			/*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM.  This is checked and valid. */
 
 	/* The list end value is the highest possible value in the list to
 	ensure it remains at the end of the list. */
@@ -47,8 +47,8 @@ void vListInitialise( List_t * const pxList )
 
 	/* The list end next and previous pointers point to itself so we know
 	when the list is empty. */
-	pxList->xListEnd.pxNext = ( ListItem_t * ) &( pxList->xListEnd );	/*lint !e826 !e740 The mini list structure is used as the list end to save RAM.  This is checked and valid. */
-	pxList->xListEnd.pxPrevious = ( ListItem_t * ) &( pxList->xListEnd );/*lint !e826 !e740 The mini list structure is used as the list end to save RAM.  This is checked and valid. */
+	pxList->xListEnd.pxNext = ( ListItem_t * ) &( pxList->xListEnd );	/*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM.  This is checked and valid. */
+	pxList->xListEnd.pxPrevious = ( ListItem_t * ) &( pxList->xListEnd );/*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM.  This is checked and valid. */
 
 	pxList->uxNumberOfItems = ( UBaseType_t ) 0U;
 
@@ -62,7 +62,7 @@ void vListInitialise( List_t * const pxList )
 void vListInitialiseItem( ListItem_t * const pxItem )
 {
 	/* Make sure the list item is not recorded as being on a list. */
-	pxItem->pvContainer = NULL;
+	pxItem->pxContainer = NULL;
 
 	/* Write known values into the list item if
 	configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */
@@ -94,7 +94,7 @@ ListItem_t * const pxIndex = pxList->pxIndex;
 	pxIndex->pxPrevious = pxNewListItem;
 
 	/* Remember which list the item is in. */
-	pxNewListItem->pvContainer = ( void * ) pxList;
+	pxNewListItem->pxContainer = pxList;
 
 	( pxList->uxNumberOfItems )++;
 }
@@ -127,18 +127,18 @@ const TickType_t xValueOfInsertion = pxNewListItem->xItemValue;
 	{
 		/* *** NOTE ***********************************************************
 		If you find your application is crashing here then likely causes are
-		listed below.  In addition see http://www.freertos.org/FAQHelp.html for
+		listed below.  In addition see https://www.freertos.org/FAQHelp.html for
 		more tips, and ensure configASSERT() is defined!
-		http://www.freertos.org/a00110.html#configASSERT
+		https://www.freertos.org/a00110.html#configASSERT
 
 			1) Stack overflow -
-			   see http://www.freertos.org/Stacks-and-stack-overflow-checking.html
+			   see https://www.freertos.org/Stacks-and-stack-overflow-checking.html
 			2) Incorrect interrupt priority assignment, especially on Cortex-M
 			   parts where numerically high priority values denote low actual
 			   interrupt priorities, which can seem counter intuitive.  See
-			   http://www.freertos.org/RTOS-Cortex-M3-M4.html and the definition
+			   https://www.freertos.org/RTOS-Cortex-M3-M4.html and the definition
 			   of configMAX_SYSCALL_INTERRUPT_PRIORITY on
-			   http://www.freertos.org/a00110.html
+			   https://www.freertos.org/a00110.html
 			3) Calling an API function from within a critical section or when
 			   the scheduler is suspended, or calling an API function that does
 			   not end in "FromISR" from an interrupt.
@@ -147,7 +147,7 @@ const TickType_t xValueOfInsertion = pxNewListItem->xItemValue;
 			   before vTaskStartScheduler() has been called?).
 		**********************************************************************/
 
-		for( pxIterator = ( ListItem_t * ) &( pxList->xListEnd ); pxIterator->pxNext->xItemValue <= xValueOfInsertion; pxIterator = pxIterator->pxNext ) /*lint !e826 !e740 The mini list structure is used as the list end to save RAM.  This is checked and valid. */
+		for( pxIterator = ( ListItem_t * ) &( pxList->xListEnd ); pxIterator->pxNext->xItemValue <= xValueOfInsertion; pxIterator = pxIterator->pxNext ) /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM.  This is checked and valid. *//*lint !e440 The iterator moves to a different value, not xValueOfInsertion. */
 		{
 			/* There is nothing to do here, just iterating to the wanted
 			insertion position. */
@@ -161,7 +161,7 @@ const TickType_t xValueOfInsertion = pxNewListItem->xItemValue;
 
 	/* Remember which list the item is in.  This allows fast removal of the
 	item later. */
-	pxNewListItem->pvContainer = ( void * ) pxList;
+	pxNewListItem->pxContainer = pxList;
 
 	( pxList->uxNumberOfItems )++;
 }
@@ -171,7 +171,7 @@ UBaseType_t uxListRemove( ListItem_t * const pxItemToRemove )
 {
 /* The list item knows which list it is in.  Obtain the list from the list
 item. */
-List_t * const pxList = ( List_t * ) pxItemToRemove->pvContainer;
+List_t * const pxList = pxItemToRemove->pxContainer;
 
 	pxItemToRemove->pxNext->pxPrevious = pxItemToRemove->pxPrevious;
 	pxItemToRemove->pxPrevious->pxNext = pxItemToRemove->pxNext;
@@ -189,7 +189,7 @@ List_t * const pxList = ( List_t * ) pxItemToRemove->pvContainer;
 		mtCOVERAGE_TEST_MARKER();
 	}
 
-	pxItemToRemove->pvContainer = NULL;
+	pxItemToRemove->pxContainer = NULL;
 	( pxList->uxNumberOfItems )--;
 
 	return pxList->uxNumberOfItems;
diff --git a/FreeRTOS/Source/portable/esp8266/port.c b/FreeRTOS/Source/portable/esp8266/port.c
index b11a1c5..39cdce8 100644
--- a/FreeRTOS/Source/portable/esp8266/port.c
+++ b/FreeRTOS/Source/portable/esp8266/port.c
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.0
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
diff --git a/FreeRTOS/Source/portable/esp8266/portmacro.h b/FreeRTOS/Source/portable/esp8266/portmacro.h
index f1ecf07..66f029f 100644
--- a/FreeRTOS/Source/portable/esp8266/portmacro.h
+++ b/FreeRTOS/Source/portable/esp8266/portmacro.h
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.0
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -66,6 +66,7 @@ typedef uint32_t TickType_t;
 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
 
 /* Architecture specifics. */
+#define portARCH_NAME				"ESP8266"
 #define portSTACK_GROWTH			( -1 )
 #define portTICK_PERIOD_MS			( ( TickType_t ) 1000 / configTICK_RATE_HZ )
 #define portBYTE_ALIGNMENT			8
diff --git a/FreeRTOS/Source/queue.c b/FreeRTOS/Source/queue.c
index 829faf2..9b60797 100644
--- a/FreeRTOS/Source/queue.c
+++ b/FreeRTOS/Source/queue.c
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -41,11 +41,11 @@ task.h is included from an application file. */
 	#include "croutine.h"
 #endif
 
-/* Lint e961 and e750 are suppressed as a MISRA exception justified because the
-MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined for the
-header files above, but not in this file, in order to generate the correct
-privileged Vs unprivileged linkage and placement. */
-#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */
+/* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified
+because the MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined
+for the header files above, but not in this file, in order to generate the
+correct privileged Vs unprivileged linkage and placement. */
+#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750 !e9021. */
 
 
 /* Constants used with the cRxLock and cTxLock structure members. */
@@ -56,17 +56,26 @@ privileged Vs unprivileged linkage and placement. */
 pcTail members are used as pointers into the queue storage area.  When the
 Queue_t structure is used to represent a mutex pcHead and pcTail pointers are
 not necessary, and the pcHead pointer is set to NULL to indicate that the
-pcTail pointer actually points to the mutex holder (if any).  Map alternative
-names to the pcHead and pcTail structure members to ensure the readability of
-the code is maintained despite this dual use of two structure members.  An
-alternative implementation would be to use a union, but use of a union is
-against the coding standard (although an exception to the standard has been
-permitted where the dual use also significantly changes the type of the
-structure member). */
-#define pxMutexHolder					pcTail
+structure instead holds a pointer to the mutex holder (if any).  Map alternative
+names to the pcHead and structure member to ensure the readability of the code
+is maintained.  The QueuePointers_t and SemaphoreData_t types are used to form
+a union as their usage is mutually exclusive dependent on what the queue is
+being used for. */
 #define uxQueueType						pcHead
 #define queueQUEUE_IS_MUTEX				NULL
 
+typedef struct QueuePointers
+{
+	int8_t *pcTail;					/*< Points to the byte at the end of the queue storage area.  Once more byte is allocated than necessary to store the queue items, this is used as a marker. */
+	int8_t *pcReadFrom;				/*< Points to the last place that a queued item was read from when the structure is used as a queue. */
+} QueuePointers_t;
+
+typedef struct SemaphoreData
+{
+	TaskHandle_t xMutexHolder;		 /*< The handle of the task that holds the mutex. */
+	UBaseType_t uxRecursiveCallCount;/*< Maintains a count of the number of times a recursive mutex has been recursively 'taken' when the structure is used as a mutex. */
+} SemaphoreData_t;
+
 /* Semaphores do not actually store or copy data, so have an item size of
 zero. */
 #define queueSEMAPHORE_QUEUE_ITEM_LENGTH ( ( UBaseType_t ) 0 )
@@ -83,18 +92,17 @@ zero. */
 /*
  * Definition of the queue used by the scheduler.
  * Items are queued by copy, not reference.  See the following link for the
- * rationale: http://www.freertos.org/Embedded-RTOS-Queues.html
+ * rationale: https://www.freertos.org/Embedded-RTOS-Queues.html
  */
-typedef struct QueueDefinition
+typedef struct QueueDefinition 		/* The old naming convention is used to prevent breaking kernel aware debuggers. */
 {
 	int8_t *pcHead;					/*< Points to the beginning of the queue storage area. */
-	int8_t *pcTail;					/*< Points to the byte at the end of the queue storage area.  Once more byte is allocated than necessary to store the queue items, this is used as a marker. */
 	int8_t *pcWriteTo;				/*< Points to the free next place in the storage area. */
 
-	union							/* Use of a union is an exception to the coding standard to ensure two mutually exclusive structure members don't appear simultaneously (wasting RAM). */
+	union
 	{
-		int8_t *pcReadFrom;			/*< Points to the last place that a queued item was read from when the structure is used as a queue. */
-		UBaseType_t uxRecursiveCallCount;/*< Maintains a count of the number of times a recursive mutex has been recursively 'taken' when the structure is used as a mutex. */
+		QueuePointers_t xQueue;		/*< Data required exclusively when this structure is used as a queue. */
+		SemaphoreData_t xSemaphore; /*< Data required exclusively when this structure is used as a semaphore. */
 	} u;
 
 	List_t xTasksWaitingToSend;		/*< List of tasks that are blocked waiting to post onto this queue.  Stored in priority order. */
@@ -246,16 +254,16 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 
 BaseType_t xQueueGenericReset( QueueHandle_t xQueue, BaseType_t xNewQueue )
 {
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	configASSERT( pxQueue );
 
 	taskENTER_CRITICAL();
 	{
-		pxQueue->pcTail = pxQueue->pcHead + ( pxQueue->uxLength * pxQueue->uxItemSize );
+		pxQueue->u.xQueue.pcTail = pxQueue->pcHead + ( pxQueue->uxLength * pxQueue->uxItemSize ); /*lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. */
 		pxQueue->uxMessagesWaiting = ( UBaseType_t ) 0U;
 		pxQueue->pcWriteTo = pxQueue->pcHead;
-		pxQueue->u.pcReadFrom = pxQueue->pcHead + ( ( pxQueue->uxLength - ( UBaseType_t ) 1U ) * pxQueue->uxItemSize );
+		pxQueue->u.xQueue.pcReadFrom = pxQueue->pcHead + ( ( pxQueue->uxLength - 1U ) * pxQueue->uxItemSize ); /*lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. */
 		pxQueue->cRxLock = queueUNLOCKED;
 		pxQueue->cTxLock = queueUNLOCKED;
 
@@ -301,7 +309,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 
 	QueueHandle_t xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, StaticQueue_t *pxStaticQueue, const uint8_t ucQueueType )
 	{
-	Queue_t *pxNewQueue = NULL;
+	Queue_t *pxNewQueue;
 
 		configASSERT( uxQueueLength > ( UBaseType_t ) 0 );
 
@@ -321,13 +329,14 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 			the real queue and semaphore structures. */
 			volatile size_t xSize = sizeof( StaticQueue_t );
 			configASSERT( xSize == sizeof( Queue_t ) );
+			( void ) xSize; /* Keeps lint quiet when configASSERT() is not defined. */
 		}
 		#endif /* configASSERT_DEFINED */
 
 		/* The address of a statically allocated queue was passed in, use it.
 		The address of a statically allocated storage area was also passed in
 		but is already set. */
-		pxNewQueue = ( Queue_t * ) pxStaticQueue; /*lint !e740 Unusual cast is ok as the structures are designed to have the same alignment, and the size is checked by an assert. */
+		pxNewQueue = ( Queue_t * ) pxStaticQueue; /*lint !e740 !e9087 Unusual cast is ok as the structures are designed to have the same alignment, and the size is checked by an assert. */
 
 		if( pxNewQueue != NULL )
 		{
@@ -376,13 +385,23 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 			xQueueSizeInBytes = ( size_t ) ( uxQueueLength * uxItemSize ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 		}
 
-		pxNewQueue = ( Queue_t * ) pvPortMalloc( sizeof( Queue_t ) + xQueueSizeInBytes );
+		/* Allocate the queue and storage area.  Justification for MISRA
+		deviation as follows:  pvPortMalloc() always ensures returned memory
+		blocks are aligned per the requirements of the MCU stack.  In this case
+		pvPortMalloc() must return a pointer that is guaranteed to meet the
+		alignment requirements of the Queue_t structure - which in this case
+		is an int8_t *.  Therefore, whenever the stack alignment requirements
+		are greater than or equal to the pointer to char requirements the cast
+		is safe.  In other cases alignment requirements are not strict (one or
+		two bytes). */
+		pxNewQueue = ( Queue_t * ) pvPortMalloc( sizeof( Queue_t ) + xQueueSizeInBytes ); /*lint !e9087 !e9079 see comment above. */
 
 		if( pxNewQueue != NULL )
 		{
 			/* Jump past the queue structure to find the location of the queue
 			storage area. */
-			pucQueueStorage = ( ( uint8_t * ) pxNewQueue ) + sizeof( Queue_t );
+			pucQueueStorage = ( uint8_t * ) pxNewQueue;
+			pucQueueStorage += sizeof( Queue_t ); /*lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. */
 
 			#if( configSUPPORT_STATIC_ALLOCATION == 1 )
 			{
@@ -459,11 +478,11 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 			correctly for a generic queue, but this function is creating a
 			mutex.  Overwrite those members that need to be set differently -
 			in particular the information required for priority inheritance. */
-			pxNewQueue->pxMutexHolder = NULL;
+			pxNewQueue->u.xSemaphore.xMutexHolder = NULL;
 			pxNewQueue->uxQueueType = queueQUEUE_IS_MUTEX;
 
 			/* In case this is a recursive mutex. */
-			pxNewQueue->u.uxRecursiveCallCount = 0;
+			pxNewQueue->u.xSemaphore.uxRecursiveCallCount = 0;
 
 			traceCREATE_MUTEX( pxNewQueue );
 
@@ -483,13 +502,13 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 
 	QueueHandle_t xQueueCreateMutex( const uint8_t ucQueueType )
 	{
-	Queue_t *pxNewQueue;
+	QueueHandle_t xNewQueue;
 	const UBaseType_t uxMutexLength = ( UBaseType_t ) 1, uxMutexSize = ( UBaseType_t ) 0;
 
-		pxNewQueue = ( Queue_t * ) xQueueGenericCreate( uxMutexLength, uxMutexSize, ucQueueType );
-		prvInitialiseMutex( pxNewQueue );
+		xNewQueue = xQueueGenericCreate( uxMutexLength, uxMutexSize, ucQueueType );
+		prvInitialiseMutex( ( Queue_t * ) xNewQueue );
 
-		return pxNewQueue;
+		return xNewQueue;
 	}
 
 #endif /* configUSE_MUTEXES */
@@ -499,17 +518,17 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 
 	QueueHandle_t xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t *pxStaticQueue )
 	{
-	Queue_t *pxNewQueue;
+	QueueHandle_t xNewQueue;
 	const UBaseType_t uxMutexLength = ( UBaseType_t ) 1, uxMutexSize = ( UBaseType_t ) 0;
 
 		/* Prevent compiler warnings about unused parameters if
 		configUSE_TRACE_FACILITY does not equal 1. */
 		( void ) ucQueueType;
 
-		pxNewQueue = ( Queue_t * ) xQueueGenericCreateStatic( uxMutexLength, uxMutexSize, NULL, pxStaticQueue, ucQueueType );
-		prvInitialiseMutex( pxNewQueue );
+		xNewQueue = xQueueGenericCreateStatic( uxMutexLength, uxMutexSize, NULL, pxStaticQueue, ucQueueType );
+		prvInitialiseMutex( ( Queue_t * ) xNewQueue );
 
-		return pxNewQueue;
+		return xNewQueue;
 	}
 
 #endif /* configUSE_MUTEXES */
@@ -517,9 +536,10 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 
 #if ( ( configUSE_MUTEXES == 1 ) && ( INCLUDE_xSemaphoreGetMutexHolder == 1 ) )
 
-	void* xQueueGetMutexHolder( QueueHandle_t xSemaphore )
+	TaskHandle_t xQueueGetMutexHolder( QueueHandle_t xSemaphore )
 	{
-	void *pxReturn;
+	TaskHandle_t pxReturn;
+	Queue_t * const pxSemaphore = ( Queue_t * ) xSemaphore;
 
 		/* This function is called by xSemaphoreGetMutexHolder(), and should not
 		be called directly.  Note:  This is a good way of determining if the
@@ -528,9 +548,9 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 		following critical section exiting and the function returning. */
 		taskENTER_CRITICAL();
 		{
-			if( ( ( Queue_t * ) xSemaphore )->uxQueueType == queueQUEUE_IS_MUTEX )
+			if( pxSemaphore->uxQueueType == queueQUEUE_IS_MUTEX )
 			{
-				pxReturn = ( void * ) ( ( Queue_t * ) xSemaphore )->pxMutexHolder;
+				pxReturn = pxSemaphore->u.xSemaphore.xMutexHolder;
 			}
 			else
 			{
@@ -547,9 +567,9 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 
 #if ( ( configUSE_MUTEXES == 1 ) && ( INCLUDE_xSemaphoreGetMutexHolder == 1 ) )
 
-	void* xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore )
+	TaskHandle_t xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore )
 	{
-	void *pxReturn;
+	TaskHandle_t pxReturn;
 
 		configASSERT( xSemaphore );
 
@@ -558,7 +578,7 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 		not required here. */
 		if( ( ( Queue_t * ) xSemaphore )->uxQueueType == queueQUEUE_IS_MUTEX )
 		{
-			pxReturn = ( void * ) ( ( Queue_t * ) xSemaphore )->pxMutexHolder;
+			pxReturn = ( ( Queue_t * ) xSemaphore )->u.xSemaphore.xMutexHolder;
 		}
 		else
 		{
@@ -580,25 +600,25 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 
 		configASSERT( pxMutex );
 
-		/* If this is the task that holds the mutex then pxMutexHolder will not
+		/* If this is the task that holds the mutex then xMutexHolder will not
 		change outside of this task.  If this task does not hold the mutex then
 		pxMutexHolder can never coincidentally equal the tasks handle, and as
 		this is the only condition we are interested in it does not matter if
 		pxMutexHolder is accessed simultaneously by another task.  Therefore no
 		mutual exclusion is required to test the pxMutexHolder variable. */
-		if( pxMutex->pxMutexHolder == ( void * ) xTaskGetCurrentTaskHandle() ) /*lint !e961 Not a redundant cast as TaskHandle_t is a typedef. */
+		if( pxMutex->u.xSemaphore.xMutexHolder == xTaskGetCurrentTaskHandle() )
 		{
 			traceGIVE_MUTEX_RECURSIVE( pxMutex );
 
-			/* uxRecursiveCallCount cannot be zero if pxMutexHolder is equal to
+			/* uxRecursiveCallCount cannot be zero if xMutexHolder is equal to
 			the task handle, therefore no underflow check is required.  Also,
 			uxRecursiveCallCount is only modified by the mutex holder, and as
 			there can only be one, no mutual exclusion is required to modify the
 			uxRecursiveCallCount member. */
-			( pxMutex->u.uxRecursiveCallCount )--;
+			( pxMutex->u.xSemaphore.uxRecursiveCallCount )--;
 
 			/* Has the recursive call count unwound to 0? */
-			if( pxMutex->u.uxRecursiveCallCount == ( UBaseType_t ) 0 )
+			if( pxMutex->u.xSemaphore.uxRecursiveCallCount == ( UBaseType_t ) 0 )
 			{
 				/* Return the mutex.  This will automatically unblock any other
 				task that might be waiting to access the mutex. */
@@ -640,9 +660,9 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 
 		traceTAKE_MUTEX_RECURSIVE( pxMutex );
 
-		if( pxMutex->pxMutexHolder == ( void * ) xTaskGetCurrentTaskHandle() ) /*lint !e961 Cast is not redundant as TaskHandle_t is a typedef. */
+		if( pxMutex->u.xSemaphore.xMutexHolder == xTaskGetCurrentTaskHandle() )
 		{
-			( pxMutex->u.uxRecursiveCallCount )++;
+			( pxMutex->u.xSemaphore.uxRecursiveCallCount )++;
 			xReturn = pdPASS;
 		}
 		else
@@ -654,7 +674,7 @@ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseT
 			before reaching here. */
 			if( xReturn != pdFAIL )
 			{
-				( pxMutex->u.uxRecursiveCallCount )++;
+				( pxMutex->u.xSemaphore.uxRecursiveCallCount )++;
 			}
 			else
 			{
@@ -728,7 +748,7 @@ BaseType_t xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQ
 {
 BaseType_t xEntryTimeSet = pdFALSE, xYieldRequired;
 TimeOut_t xTimeOut;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	configASSERT( pxQueue );
 	configASSERT( !( ( pvItemToQueue == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
@@ -740,9 +760,9 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 	#endif
 
 
-	/* This function relaxes the coding standard somewhat to allow return
-	statements within the function itself.  This is done in the interest
-	of execution time efficiency. */
+	/*lint -save -e904 This function relaxes the coding standard somewhat to
+	allow return statements within the function itself.  This is done in the
+	interest of execution time efficiency. */
 	for( ;; )
 	{
 		taskENTER_CRITICAL();
@@ -930,7 +950,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 			traceQUEUE_SEND_FAILED( pxQueue );
 			return errQUEUE_FULL;
 		}
-	}
+	} /*lint -restore */
 }
 /*-----------------------------------------------------------*/
 
@@ -938,7 +958,7 @@ BaseType_t xQueueGenericSendFromISR( QueueHandle_t xQueue, const void * const pv
 {
 BaseType_t xReturn;
 UBaseType_t uxSavedInterruptStatus;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	configASSERT( pxQueue );
 	configASSERT( !( ( pvItemToQueue == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
@@ -1089,7 +1109,7 @@ BaseType_t xQueueGiveFromISR( QueueHandle_t xQueue, BaseType_t * const pxHigherP
 {
 BaseType_t xReturn;
 UBaseType_t uxSavedInterruptStatus;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	/* Similar to xQueueGenericSendFromISR() but used with semaphores where the
 	item size is 0.  Don't directly wake a task that was blocked on a queue
@@ -1106,7 +1126,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 	/* Normally a mutex would not be given from an interrupt, especially if
 	there is a mutex holder, as priority inheritance makes no sense for an
 	interrupts, only tasks. */
-	configASSERT( !( ( pxQueue->uxQueueType == queueQUEUE_IS_MUTEX ) && ( pxQueue->pxMutexHolder != NULL ) ) );
+	configASSERT( !( ( pxQueue->uxQueueType == queueQUEUE_IS_MUTEX ) && ( pxQueue->u.xSemaphore.xMutexHolder != NULL ) ) );
 
 	/* RTOS ports that support interrupt nesting have the concept of a maximum
 	system call (or maximum API call) interrupt priority.  Interrupts that are
@@ -1254,7 +1274,7 @@ BaseType_t xQueueReceive( QueueHandle_t xQueue, void * const pvBuffer, TickType_
 {
 BaseType_t xEntryTimeSet = pdFALSE;
 TimeOut_t xTimeOut;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	/* Check the pointer is not NULL. */
 	configASSERT( ( pxQueue ) );
@@ -1271,10 +1291,9 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 	#endif
 
 
-	/* This function relaxes the coding standard somewhat to allow return
-	statements within the function itself.  This is done in the interest
-	of execution time efficiency. */
-
+	/*lint -save -e904  This function relaxes the coding standard somewhat to
+	allow return statements within the function itself.  This is done in the
+	interest of execution time efficiency. */
 	for( ;; )
 	{
 		taskENTER_CRITICAL();
@@ -1388,7 +1407,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 				mtCOVERAGE_TEST_MARKER();
 			}
 		}
-	}
+	} /*lint -restore */
 }
 /*-----------------------------------------------------------*/
 
@@ -1396,7 +1415,7 @@ BaseType_t xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait )
 {
 BaseType_t xEntryTimeSet = pdFALSE;
 TimeOut_t xTimeOut;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 #if( configUSE_MUTEXES == 1 )
 	BaseType_t xInheritanceOccurred = pdFALSE;
@@ -1417,10 +1436,9 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 	#endif
 
 
-	/* This function relaxes the coding standard somewhat to allow return
+	/*lint -save -e904 This function relaxes the coding standard somewhat to allow return
 	statements within the function itself.  This is done in the interest
 	of execution time efficiency. */
-
 	for( ;; )
 	{
 		taskENTER_CRITICAL();
@@ -1445,7 +1463,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 					{
 						/* Record the information required to implement
 						priority inheritance should it become necessary. */
-						pxQueue->pxMutexHolder = ( int8_t * ) pvTaskIncrementMutexHeldCount(); /*lint !e961 Cast is not redundant as TaskHandle_t is a typedef. */
+						pxQueue->u.xSemaphore.xMutexHolder = pvTaskIncrementMutexHeldCount();
 					}
 					else
 					{
@@ -1533,7 +1551,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 					{
 						taskENTER_CRITICAL();
 						{
-							xInheritanceOccurred = xTaskPriorityInherit( ( void * ) pxQueue->pxMutexHolder );
+							xInheritanceOccurred = xTaskPriorityInherit( pxQueue->u.xSemaphore.xMutexHolder );
 						}
 						taskEXIT_CRITICAL();
 					}
@@ -1592,7 +1610,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 							again, but only as low as the next highest priority
 							task that is waiting for the same mutex. */
 							uxHighestWaitingPriority = prvGetDisinheritPriorityAfterTimeout( pxQueue );
-							vTaskPriorityDisinheritAfterTimeout( ( void * ) pxQueue->pxMutexHolder, uxHighestWaitingPriority );
+							vTaskPriorityDisinheritAfterTimeout( pxQueue->u.xSemaphore.xMutexHolder, uxHighestWaitingPriority );
 						}
 						taskEXIT_CRITICAL();
 					}
@@ -1607,7 +1625,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 				mtCOVERAGE_TEST_MARKER();
 			}
 		}
-	}
+	} /*lint -restore */
 }
 /*-----------------------------------------------------------*/
 
@@ -1616,7 +1634,7 @@ BaseType_t xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t x
 BaseType_t xEntryTimeSet = pdFALSE;
 TimeOut_t xTimeOut;
 int8_t *pcOriginalReadPosition;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	/* Check the pointer is not NULL. */
 	configASSERT( ( pxQueue ) );
@@ -1633,10 +1651,9 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 	#endif
 
 
-	/* This function relaxes the coding standard somewhat to allow return
-	statements within the function itself.  This is done in the interest
-	of execution time efficiency. */
-
+	/*lint -save -e904  This function relaxes the coding standard somewhat to
+	allow return statements within the function itself.  This is done in the
+	interest of execution time efficiency. */
 	for( ;; )
 	{
 		taskENTER_CRITICAL();
@@ -1650,13 +1667,13 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 				/* Remember the read position so it can be reset after the data
 				is read from the queue as this function is only peeking the
 				data, not removing it. */
-				pcOriginalReadPosition = pxQueue->u.pcReadFrom;
+				pcOriginalReadPosition = pxQueue->u.xQueue.pcReadFrom;
 
 				prvCopyDataFromQueue( pxQueue, pvBuffer );
 				traceQUEUE_PEEK( pxQueue );
 
 				/* The data is not being removed, so reset the read pointer. */
-				pxQueue->u.pcReadFrom = pcOriginalReadPosition;
+				pxQueue->u.xQueue.pcReadFrom = pcOriginalReadPosition;
 
 				/* The data is being left in the queue, so see if there are
 				any other tasks waiting for the data. */
@@ -1757,7 +1774,7 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 				mtCOVERAGE_TEST_MARKER();
 			}
 		}
-	}
+	} /*lint -restore */
 }
 /*-----------------------------------------------------------*/
 
@@ -1765,7 +1782,7 @@ BaseType_t xQueueReceiveFromISR( QueueHandle_t xQueue, void * const pvBuffer, Ba
 {
 BaseType_t xReturn;
 UBaseType_t uxSavedInterruptStatus;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	configASSERT( pxQueue );
 	configASSERT( !( ( pvBuffer == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
@@ -1857,7 +1874,7 @@ BaseType_t xQueuePeekFromISR( QueueHandle_t xQueue,  void * const pvBuffer )
 BaseType_t xReturn;
 UBaseType_t uxSavedInterruptStatus;
 int8_t *pcOriginalReadPosition;
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	configASSERT( pxQueue );
 	configASSERT( !( ( pvBuffer == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
@@ -1888,9 +1905,9 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 
 			/* Remember the read position so it can be reset as nothing is
 			actually being removed from the queue. */
-			pcOriginalReadPosition = pxQueue->u.pcReadFrom;
+			pcOriginalReadPosition = pxQueue->u.xQueue.pcReadFrom;
 			prvCopyDataFromQueue( pxQueue, pvBuffer );
-			pxQueue->u.pcReadFrom = pcOriginalReadPosition;
+			pxQueue->u.xQueue.pcReadFrom = pcOriginalReadPosition;
 
 			xReturn = pdPASS;
 		}
@@ -1925,9 +1942,8 @@ UBaseType_t uxReturn;
 UBaseType_t uxQueueSpacesAvailable( const QueueHandle_t xQueue )
 {
 UBaseType_t uxReturn;
-Queue_t *pxQueue;
+Queue_t * const pxQueue = xQueue;
 
-	pxQueue = ( Queue_t * ) xQueue;
 	configASSERT( pxQueue );
 
 	taskENTER_CRITICAL();
@@ -1943,10 +1959,10 @@ Queue_t *pxQueue;
 UBaseType_t uxQueueMessagesWaitingFromISR( const QueueHandle_t xQueue )
 {
 UBaseType_t uxReturn;
+Queue_t * const pxQueue = xQueue;
 
-	configASSERT( xQueue );
-
-	uxReturn = ( ( Queue_t * ) xQueue )->uxMessagesWaiting;
+	configASSERT( pxQueue );
+	uxReturn = pxQueue->uxMessagesWaiting;
 
 	return uxReturn;
 } /*lint !e818 Pointer cannot be declared const as xQueue is a typedef not pointer. */
@@ -1954,7 +1970,7 @@ UBaseType_t uxReturn;
 
 void vQueueDelete( QueueHandle_t xQueue )
 {
-Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+Queue_t * const pxQueue = xQueue;
 
 	configASSERT( pxQueue );
 	traceQUEUE_DELETE( pxQueue );
@@ -2036,9 +2052,9 @@ Queue_t * const pxQueue = ( Queue_t * ) xQueue;
 		other tasks that are waiting for the same mutex.  For this purpose,
 		return the priority of the highest priority task that is waiting for the
 		mutex. */
-		if( listCURRENT_LIST_LENGTH( &( pxQueue->xTasksWaitingToReceive ) ) > 0 )
+		if( listCURRENT_LIST_LENGTH( &( pxQueue->xTasksWaitingToReceive ) ) > 0U )
 		{
-			uxHighestPriorityOfWaitingTasks = configMAX_PRIORITIES - listGET_ITEM_VALUE_OF_HEAD_ENTRY( &( pxQueue->xTasksWaitingToReceive ) );
+			uxHighestPriorityOfWaitingTasks = ( UBaseType_t ) configMAX_PRIORITIES - ( UBaseType_t ) listGET_ITEM_VALUE_OF_HEAD_ENTRY( &( pxQueue->xTasksWaitingToReceive ) );
 		}
 		else
 		{
@@ -2067,8 +2083,8 @@ UBaseType_t uxMessagesWaiting;
 			if( pxQueue->uxQueueType == queueQUEUE_IS_MUTEX )
 			{
 				/* The mutex is no longer being held. */
-				xReturn = xTaskPriorityDisinherit( ( void * ) pxQueue->pxMutexHolder );
-				pxQueue->pxMutexHolder = NULL;
+				xReturn = xTaskPriorityDisinherit( pxQueue->u.xSemaphore.xMutexHolder );
+				pxQueue->u.xSemaphore.xMutexHolder = NULL;
 			}
 			else
 			{
@@ -2079,9 +2095,9 @@ UBaseType_t uxMessagesWaiting;
 	}
 	else if( xPosition == queueSEND_TO_BACK )
 	{
-		( void ) memcpy( ( void * ) pxQueue->pcWriteTo, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e418 MISRA exception as the casts are only redundant for some ports, plus previous logic ensures a null pointer can only be passed to memcpy() if the copy size is 0. */
-		pxQueue->pcWriteTo += pxQueue->uxItemSize;
-		if( pxQueue->pcWriteTo >= pxQueue->pcTail ) /*lint !e946 MISRA exception justified as comparison of pointers is the cleanest solution. */
+		( void ) memcpy( ( void * ) pxQueue->pcWriteTo, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e418 !e9087 MISRA exception as the casts are only redundant for some ports, plus previous logic ensures a null pointer can only be passed to memcpy() if the copy size is 0.  Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. */
+		pxQueue->pcWriteTo += pxQueue->uxItemSize; /*lint !e9016 Pointer arithmetic on char types ok, especially in this use case where it is the clearest way of conveying intent. */
+		if( pxQueue->pcWriteTo >= pxQueue->u.xQueue.pcTail ) /*lint !e946 MISRA exception justified as comparison of pointers is the cleanest solution. */
 		{
 			pxQueue->pcWriteTo = pxQueue->pcHead;
 		}
@@ -2092,11 +2108,11 @@ UBaseType_t uxMessagesWaiting;
 	}
 	else
 	{
-		( void ) memcpy( ( void * ) pxQueue->u.pcReadFrom, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
-		pxQueue->u.pcReadFrom -= pxQueue->uxItemSize;
-		if( pxQueue->u.pcReadFrom < pxQueue->pcHead ) /*lint !e946 MISRA exception justified as comparison of pointers is the cleanest solution. */
+		( void ) memcpy( ( void * ) pxQueue->u.xQueue.pcReadFrom, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e9087 !e418 MISRA exception as the casts are only redundant for some ports.  Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes.  Assert checks null pointer only used when length is 0. */
+		pxQueue->u.xQueue.pcReadFrom -= pxQueue->uxItemSize;
+		if( pxQueue->u.xQueue.pcReadFrom < pxQueue->pcHead ) /*lint !e946 MISRA exception justified as comparison of pointers is the cleanest solution. */
 		{
-			pxQueue->u.pcReadFrom = ( pxQueue->pcTail - pxQueue->uxItemSize );
+			pxQueue->u.xQueue.pcReadFrom = ( pxQueue->u.xQueue.pcTail - pxQueue->uxItemSize );
 		}
 		else
 		{
@@ -2134,16 +2150,16 @@ static void prvCopyDataFromQueue( Queue_t * const pxQueue, void * const pvBuffer
 {
 	if( pxQueue->uxItemSize != ( UBaseType_t ) 0 )
 	{
-		pxQueue->u.pcReadFrom += pxQueue->uxItemSize;
-		if( pxQueue->u.pcReadFrom >= pxQueue->pcTail ) /*lint !e946 MISRA exception justified as use of the relational operator is the cleanest solutions. */
+		pxQueue->u.xQueue.pcReadFrom += pxQueue->uxItemSize; /*lint !e9016 Pointer arithmetic on char types ok, especially in this use case where it is the clearest way of conveying intent. */
+		if( pxQueue->u.xQueue.pcReadFrom >= pxQueue->u.xQueue.pcTail ) /*lint !e946 MISRA exception justified as use of the relational operator is the cleanest solutions. */
 		{
-			pxQueue->u.pcReadFrom = pxQueue->pcHead;
+			pxQueue->u.xQueue.pcReadFrom = pxQueue->pcHead;
 		}
 		else
 		{
 			mtCOVERAGE_TEST_MARKER();
 		}
-		( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.pcReadFrom, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e418 MISRA exception as the casts are only redundant for some ports.  Also previous logic ensures a null pointer can only be passed to memcpy() when the count is 0. */
+		( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.xQueue.pcReadFrom, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e418 !e9087 MISRA exception as the casts are only redundant for some ports.  Also previous logic ensures a null pointer can only be passed to memcpy() when the count is 0.  Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. */
 	}
 }
 /*-----------------------------------------------------------*/
@@ -2292,9 +2308,10 @@ BaseType_t xReturn;
 BaseType_t xQueueIsQueueEmptyFromISR( const QueueHandle_t xQueue )
 {
 BaseType_t xReturn;
+Queue_t * const pxQueue = xQueue;
 
-	configASSERT( xQueue );
-	if( ( ( Queue_t * ) xQueue )->uxMessagesWaiting == ( UBaseType_t ) 0 )
+	configASSERT( pxQueue );
+	if( pxQueue->uxMessagesWaiting == ( UBaseType_t ) 0 )
 	{
 		xReturn = pdTRUE;
 	}
@@ -2331,9 +2348,10 @@ BaseType_t xReturn;
 BaseType_t xQueueIsQueueFullFromISR( const QueueHandle_t xQueue )
 {
 BaseType_t xReturn;
+Queue_t * const pxQueue = xQueue;
 
-	configASSERT( xQueue );
-	if( ( ( Queue_t * ) xQueue )->uxMessagesWaiting == ( ( Queue_t * ) xQueue )->uxLength )
+	configASSERT( pxQueue );
+	if( pxQueue->uxMessagesWaiting == pxQueue->uxLength )
 	{
 		xReturn = pdTRUE;
 	}
@@ -2351,7 +2369,7 @@ BaseType_t xReturn;
 	BaseType_t xQueueCRSend( QueueHandle_t xQueue, const void *pvItemToQueue, TickType_t xTicksToWait )
 	{
 	BaseType_t xReturn;
-	Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+	Queue_t * const pxQueue = xQueue;
 
 		/* If the queue is already full we may have to block.  A critical section
 		is required to prevent an interrupt removing something from the queue
@@ -2428,7 +2446,7 @@ BaseType_t xReturn;
 	BaseType_t xQueueCRReceive( QueueHandle_t xQueue, void *pvBuffer, TickType_t xTicksToWait )
 	{
 	BaseType_t xReturn;
-	Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+	Queue_t * const pxQueue = xQueue;
 
 		/* If the queue is already empty we may have to block.  A critical section
 		is required to prevent an interrupt adding something to the queue
@@ -2465,17 +2483,17 @@ BaseType_t xReturn;
 			if( pxQueue->uxMessagesWaiting > ( UBaseType_t ) 0 )
 			{
 				/* Data is available from the queue. */
-				pxQueue->u.pcReadFrom += pxQueue->uxItemSize;
-				if( pxQueue->u.pcReadFrom >= pxQueue->pcTail )
+				pxQueue->u.xQueue.pcReadFrom += pxQueue->uxItemSize;
+				if( pxQueue->u.xQueue.pcReadFrom >= pxQueue->u.xQueue.pcTail )
 				{
-					pxQueue->u.pcReadFrom = pxQueue->pcHead;
+					pxQueue->u.xQueue.pcReadFrom = pxQueue->pcHead;
 				}
 				else
 				{
 					mtCOVERAGE_TEST_MARKER();
 				}
 				--( pxQueue->uxMessagesWaiting );
-				( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.pcReadFrom, ( unsigned ) pxQueue->uxItemSize );
+				( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.xQueue.pcReadFrom, ( unsigned ) pxQueue->uxItemSize );
 
 				xReturn = pdPASS;
 
@@ -2517,7 +2535,7 @@ BaseType_t xReturn;
 
 	BaseType_t xQueueCRSendFromISR( QueueHandle_t xQueue, const void *pvItemToQueue, BaseType_t xCoRoutinePreviouslyWoken )
 	{
-	Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+	Queue_t * const pxQueue = xQueue;
 
 		/* Cannot block within an ISR so if there is no space on the queue then
 		exit without doing anything. */
@@ -2566,24 +2584,24 @@ BaseType_t xReturn;
 	BaseType_t xQueueCRReceiveFromISR( QueueHandle_t xQueue, void *pvBuffer, BaseType_t *pxCoRoutineWoken )
 	{
 	BaseType_t xReturn;
-	Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+	Queue_t * const pxQueue = xQueue;
 
 		/* We cannot block from an ISR, so check there is data available. If
 		not then just leave without doing anything. */
 		if( pxQueue->uxMessagesWaiting > ( UBaseType_t ) 0 )
 		{
 			/* Copy the data from the queue. */
-			pxQueue->u.pcReadFrom += pxQueue->uxItemSize;
-			if( pxQueue->u.pcReadFrom >= pxQueue->pcTail )
+			pxQueue->u.xQueue.pcReadFrom += pxQueue->uxItemSize;
+			if( pxQueue->u.xQueue.pcReadFrom >= pxQueue->u.xQueue.pcTail )
 			{
-				pxQueue->u.pcReadFrom = pxQueue->pcHead;
+				pxQueue->u.xQueue.pcReadFrom = pxQueue->pcHead;
 			}
 			else
 			{
 				mtCOVERAGE_TEST_MARKER();
 			}
 			--( pxQueue->uxMessagesWaiting );
-			( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.pcReadFrom, ( unsigned ) pxQueue->uxItemSize );
+			( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.xQueue.pcReadFrom, ( unsigned ) pxQueue->uxItemSize );
 
 			if( ( *pxCoRoutineWoken ) == pdFALSE )
 			{
@@ -2714,7 +2732,7 @@ BaseType_t xReturn;
 
 	void vQueueWaitForMessageRestricted( QueueHandle_t xQueue, TickType_t xTicksToWait, const BaseType_t xWaitIndefinitely )
 	{
-	Queue_t * const pxQueue = ( Queue_t * ) xQueue;
+	Queue_t * const pxQueue = xQueue;
 
 		/* This function should not be called by application code hence the
 		'Restricted' in its name.  It is not part of the public API.  It is
diff --git a/FreeRTOS/Source/stream_buffer.c b/FreeRTOS/Source/stream_buffer.c
index f72bc5f..134c741 100644
--- a/FreeRTOS/Source/stream_buffer.c
+++ b/FreeRTOS/Source/stream_buffer.c
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -43,11 +43,11 @@ task.h is included from an application file. */
 	#error configUSE_TASK_NOTIFICATIONS must be set to 1 to build stream_buffer.c
 #endif
 
-/* Lint e961 and e750 are suppressed as a MISRA exception justified because the
-MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined for the
-header files above, but not in this file, in order to generate the correct
-privileged Vs unprivileged linkage and placement. */
-#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */
+/* Lint e961, e9021 and e750 are suppressed as a MISRA exception justified
+because the MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined
+for the header files above, but not in this file, in order to generate the
+correct privileged Vs unprivileged linkage and placement. */
+#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750 !e9021. */
 
 /* If the user has not provided application specific Rx notification macros,
 or #defined the notification macros away, them provide default implementations
@@ -138,7 +138,7 @@ that uses task notifications. */
 /*-----------------------------------------------------------*/
 
 /* Structure that hold state information on the buffer. */
-typedef struct xSTREAM_BUFFER /*lint !e9058 Style convention uses tag. */
+typedef struct StreamBufferDef_t /*lint !e9058 Style convention uses tag. */
 {
 	volatile size_t xTail;				/* Index to the next item to read within the buffer. */
 	volatile size_t xHead;				/* Index to the next item to write within the buffer. */
@@ -210,7 +210,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 										  uint8_t * const pucBuffer,
 										  size_t xBufferSizeBytes,
 										  size_t xTriggerLevelBytes,
-										  BaseType_t xIsMessageBuffer ) PRIVILEGED_FUNCTION;
+										  uint8_t ucFlags ) PRIVILEGED_FUNCTION;
 
 /*-----------------------------------------------------------*/
 
@@ -219,19 +219,31 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 	StreamBufferHandle_t xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer )
 	{
 	uint8_t *pucAllocatedMemory;
+	uint8_t ucFlags;
 
 		/* In case the stream buffer is going to be used as a message buffer
 		(that is, it will hold discrete messages with a little meta data that
 		says how big the next message is) check the buffer will be large enough
 		to hold at least one message. */
-		configASSERT( xBufferSizeBytes > sbBYTES_TO_STORE_MESSAGE_LENGTH );
+		if( xIsMessageBuffer == pdTRUE )
+		{
+			/* Is a message buffer but not statically allocated. */
+			ucFlags = sbFLAGS_IS_MESSAGE_BUFFER;
+			configASSERT( xBufferSizeBytes > sbBYTES_TO_STORE_MESSAGE_LENGTH );
+		}
+		else
+		{
+			/* Not a message buffer and not statically allocated. */
+			ucFlags = 0;
+			configASSERT( xBufferSizeBytes > 0 );
+		}
 		configASSERT( xTriggerLevelBytes <= xBufferSizeBytes );
 
 		/* A trigger level of 0 would cause a waiting task to unblock even when
 		the buffer was empty. */
 		if( xTriggerLevelBytes == ( size_t ) 0 )
 		{
-			xTriggerLevelBytes = ( size_t ) 1; /*lint !e9044 Parameter modified to ensure it doesn't have a dangerous value. */
+			xTriggerLevelBytes = ( size_t ) 1;
 		}
 
 		/* A stream buffer requires a StreamBuffer_t structure and a buffer.
@@ -251,7 +263,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 										   pucAllocatedMemory + sizeof( StreamBuffer_t ),  /* Storage area follows. */ /*lint !e9016 Indexing past structure valid for uint8_t pointer, also storage area has no alignment requirement. */
 										   xBufferSizeBytes,
 										   xTriggerLevelBytes,
-										   xIsMessageBuffer );
+										   ucFlags );
 
 			traceSTREAM_BUFFER_CREATE( ( ( StreamBuffer_t * ) pucAllocatedMemory ), xIsMessageBuffer );
 		}
@@ -260,7 +272,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 			traceSTREAM_BUFFER_CREATE_FAILED( xIsMessageBuffer );
 		}
 
-		return ( StreamBufferHandle_t * ) pucAllocatedMemory; /*lint !e9087 !e826 Safe cast as allocated memory is aligned. */
+		return ( StreamBufferHandle_t ) pucAllocatedMemory; /*lint !e9087 !e826 Safe cast as allocated memory is aligned. */
 	}
 
 #endif /* configSUPPORT_DYNAMIC_ALLOCATION */
@@ -276,6 +288,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 	{
 	StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) pxStaticStreamBuffer; /*lint !e740 !e9087 Safe cast as StaticStreamBuffer_t is opaque Streambuffer_t. */
 	StreamBufferHandle_t xReturn;
+	uint8_t ucFlags;
 
 		configASSERT( pucStreamBufferStorageArea );
 		configASSERT( pxStaticStreamBuffer );
@@ -285,7 +298,18 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 		the buffer was empty. */
 		if( xTriggerLevelBytes == ( size_t ) 0 )
 		{
-			xTriggerLevelBytes = ( size_t ) 1; /*lint !e9044 Function parameter deliberately modified to ensure it is in range. */
+			xTriggerLevelBytes = ( size_t ) 1;
+		}
+
+		if( xIsMessageBuffer != pdFALSE )
+		{
+			/* Statically allocated message buffer. */
+			ucFlags = sbFLAGS_IS_MESSAGE_BUFFER | sbFLAGS_IS_STATICALLY_ALLOCATED;
+		}
+		else
+		{
+			/* Statically allocated stream buffer. */
+			ucFlags = sbFLAGS_IS_STATICALLY_ALLOCATED;
 		}
 
 		/* In case the stream buffer is going to be used as a message buffer
@@ -301,7 +325,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 			message buffer structure. */
 			volatile size_t xSize = sizeof( StaticStreamBuffer_t );
 			configASSERT( xSize == sizeof( StreamBuffer_t ) );
-		}
+		} /*lint !e529 xSize is referenced is configASSERT() is defined. */
 		#endif /* configASSERT_DEFINED */
 
 		if( ( pucStreamBufferStorageArea != NULL ) && ( pxStaticStreamBuffer != NULL ) )
@@ -310,7 +334,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 										  pucStreamBufferStorageArea,
 										  xBufferSizeBytes,
 										  xTriggerLevelBytes,
-										  xIsMessageBuffer );
+										  ucFlags );
 
 			/* Remember this was statically allocated in case it is ever deleted
 			again. */
@@ -334,7 +358,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 
 void vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer )
 {
-StreamBuffer_t * pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * pxStreamBuffer = xStreamBuffer;
 
 	configASSERT( pxStreamBuffer );
 
@@ -360,15 +384,15 @@ StreamBuffer_t * pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9
 	{
 		/* The structure and buffer were not allocated dynamically and cannot be
 		freed - just scrub the structure so future use will assert. */
-		memset( pxStreamBuffer, 0x00, sizeof( StreamBuffer_t ) );
+		( void ) memset( pxStreamBuffer, 0x00, sizeof( StreamBuffer_t ) );
 	}
 }
 /*-----------------------------------------------------------*/
 
 BaseType_t xStreamBufferReset( StreamBufferHandle_t xStreamBuffer )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
-BaseType_t xReturn = pdFAIL, xIsMessageBuffer;
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
+BaseType_t xReturn = pdFAIL;
 
 #if( configUSE_TRACE_FACILITY == 1 )
 	UBaseType_t uxStreamBufferNumber;
@@ -385,35 +409,30 @@ BaseType_t xReturn = pdFAIL, xIsMessageBuffer;
 	#endif
 
 	/* Can only reset a message buffer if there are no tasks blocked on it. */
-	if( pxStreamBuffer->xTaskWaitingToReceive == NULL )
+	taskENTER_CRITICAL();
 	{
-		if( pxStreamBuffer->xTaskWaitingToSend == NULL )
+		if( pxStreamBuffer->xTaskWaitingToReceive == NULL )
 		{
-			if( ( pxStreamBuffer->ucFlags & sbFLAGS_IS_MESSAGE_BUFFER ) != ( uint8_t ) 0 )
+			if( pxStreamBuffer->xTaskWaitingToSend == NULL )
 			{
-				xIsMessageBuffer = pdTRUE;
-			}
-			else
-			{
-				xIsMessageBuffer = pdFALSE;
-			}
+				prvInitialiseNewStreamBuffer( pxStreamBuffer,
+											  pxStreamBuffer->pucBuffer,
+											  pxStreamBuffer->xLength,
+											  pxStreamBuffer->xTriggerLevelBytes,
+											  pxStreamBuffer->ucFlags );
+				xReturn = pdPASS;
 
-			prvInitialiseNewStreamBuffer( pxStreamBuffer,
-										  pxStreamBuffer->pucBuffer,
-										  pxStreamBuffer->xLength,
-										  pxStreamBuffer->xTriggerLevelBytes,
-										  xIsMessageBuffer );
-			xReturn = pdPASS;
+				#if( configUSE_TRACE_FACILITY == 1 )
+				{
+					pxStreamBuffer->uxStreamBufferNumber = uxStreamBufferNumber;
+				}
+				#endif
 
-			#if( configUSE_TRACE_FACILITY == 1 )
-			{
-				pxStreamBuffer->uxStreamBufferNumber = uxStreamBufferNumber;
+				traceSTREAM_BUFFER_RESET( xStreamBuffer );
 			}
-			#endif
-
-			traceSTREAM_BUFFER_RESET( xStreamBuffer );
 		}
 	}
+	taskEXIT_CRITICAL();
 
 	return xReturn;
 }
@@ -421,7 +440,7 @@ BaseType_t xReturn = pdFAIL, xIsMessageBuffer;
 
 BaseType_t xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 BaseType_t xReturn;
 
 	configASSERT( pxStreamBuffer );
@@ -429,7 +448,7 @@ BaseType_t xReturn;
 	/* It is not valid for the trigger level to be 0. */
 	if( xTriggerLevel == ( size_t ) 0 )
 	{
-		xTriggerLevel = ( size_t ) 1; /*lint !e9044 Parameter modified to ensure it doesn't have a dangerous value. */
+		xTriggerLevel = ( size_t ) 1;
 	}
 
 	/* The trigger level is the number of bytes that must be in the stream
@@ -450,7 +469,7 @@ BaseType_t xReturn;
 
 size_t xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer )
 {
-const StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+const StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 size_t xSpace;
 
 	configASSERT( pxStreamBuffer );
@@ -474,7 +493,7 @@ size_t xSpace;
 
 size_t xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer )
 {
-const StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+const StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 size_t xReturn;
 
 	configASSERT( pxStreamBuffer );
@@ -489,7 +508,7 @@ size_t xStreamBufferSend( StreamBufferHandle_t xStreamBuffer,
 						  size_t xDataLengthBytes,
 						  TickType_t xTicksToWait )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 size_t xReturn, xSpace = 0;
 size_t xRequiredSpace = xDataLengthBytes;
 TimeOut_t xTimeOut;
@@ -593,7 +612,7 @@ size_t xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer,
 								 size_t xDataLengthBytes,
 								 BaseType_t * const pxHigherPriorityTaskWoken )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 size_t xReturn, xSpace;
 size_t xRequiredSpace = xDataLengthBytes;
 
@@ -660,7 +679,7 @@ static size_t prvWriteMessageToBuffer( StreamBuffer_t * const pxStreamBuffer,
 		stream of bytes rather than discrete messages.  Write as many bytes as
 		possible. */
 		xShouldWrite = pdTRUE;
-		xDataLengthBytes = configMIN( xDataLengthBytes, xSpace ); /*lint !e9044 Function parameter modified to ensure it is capped to available space. */
+		xDataLengthBytes = configMIN( xDataLengthBytes, xSpace );
 	}
 	else if( xSpace >= xRequiredSpace )
 	{
@@ -696,7 +715,7 @@ size_t xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer,
 							 size_t xBufferLengthBytes,
 							 TickType_t xTicksToWait )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 size_t xReceivedLength = 0, xBytesAvailable, xBytesToStoreMessageLength;
 
 	configASSERT( pvRxData );
@@ -797,7 +816,7 @@ size_t xReceivedLength = 0, xBytesAvailable, xBytesToStoreMessageLength;
 
 size_t xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 size_t xReturn, xBytesAvailable, xOriginalTail;
 configMESSAGE_BUFFER_LENGTH_TYPE xTempReturn;
 
@@ -844,7 +863,7 @@ size_t xStreamBufferReceiveFromISR( StreamBufferHandle_t xStreamBuffer,
 									size_t xBufferLengthBytes,
 									BaseType_t * const pxHigherPriorityTaskWoken )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 size_t xReceivedLength = 0, xBytesAvailable, xBytesToStoreMessageLength;
 
 	configASSERT( pvRxData );
@@ -950,7 +969,7 @@ configMESSAGE_BUFFER_LENGTH_TYPE xTempNextMessageLength;
 
 BaseType_t xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer )
 {
-const StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+const StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 BaseType_t xReturn;
 size_t xTail;
 
@@ -975,7 +994,7 @@ BaseType_t xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer )
 {
 BaseType_t xReturn;
 size_t xBytesToStoreMessageLength;
-const StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+const StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 
 	configASSERT( pxStreamBuffer );
 
@@ -1008,7 +1027,7 @@ const StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer
 
 BaseType_t xStreamBufferSendCompletedFromISR( StreamBufferHandle_t xStreamBuffer, BaseType_t *pxHigherPriorityTaskWoken )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 BaseType_t xReturn;
 UBaseType_t uxSavedInterruptStatus;
 
@@ -1038,7 +1057,7 @@ UBaseType_t uxSavedInterruptStatus;
 
 BaseType_t xStreamBufferReceiveCompletedFromISR( StreamBufferHandle_t xStreamBuffer, BaseType_t *pxHigherPriorityTaskWoken )
 {
-StreamBuffer_t * const pxStreamBuffer = ( StreamBuffer_t * ) xStreamBuffer; /*lint !e9087 !e9079 Safe cast as StreamBufferHandle_t is opaque Streambuffer_t. */
+StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
 BaseType_t xReturn;
 UBaseType_t uxSavedInterruptStatus;
 
@@ -1081,7 +1100,7 @@ size_t xNextHead, xFirstLength;
 
 	/* Write as many bytes as can be written in the first write. */
 	configASSERT( ( xNextHead + xFirstLength ) <= pxStreamBuffer->xLength );
-	memcpy( ( void* ) ( &( pxStreamBuffer->pucBuffer[ xNextHead ] ) ), ( const void * ) pucData, xFirstLength ); /*lint !e9087 memcpy() requires void *. */
+	( void ) memcpy( ( void* ) ( &( pxStreamBuffer->pucBuffer[ xNextHead ] ) ), ( const void * ) pucData, xFirstLength ); /*lint !e9087 memcpy() requires void *. */
 
 	/* If the number of bytes written was less than the number that could be
 	written in the first write... */
@@ -1089,7 +1108,7 @@ size_t xNextHead, xFirstLength;
 	{
 		/* ...then write the remaining bytes to the start of the buffer. */
 		configASSERT( ( xCount - xFirstLength ) <= pxStreamBuffer->xLength );
-		memcpy( ( void * ) pxStreamBuffer->pucBuffer, ( const void * ) &( pucData[ xFirstLength ] ), xCount - xFirstLength ); /*lint !e9087 memcpy() requires void *. */
+		( void ) memcpy( ( void * ) pxStreamBuffer->pucBuffer, ( const void * ) &( pucData[ xFirstLength ] ), xCount - xFirstLength ); /*lint !e9087 memcpy() requires void *. */
 	}
 	else
 	{
@@ -1132,7 +1151,7 @@ size_t xCount, xFirstLength, xNextTail;
 		read.  Asserts check bounds of read and write. */
 		configASSERT( xFirstLength <= xMaxCount );
 		configASSERT( ( xNextTail + xFirstLength ) <= pxStreamBuffer->xLength );
-		memcpy( ( void * ) pucData, ( const void * ) &( pxStreamBuffer->pucBuffer[ xNextTail ] ), xFirstLength ); /*lint !e9087 memcpy() requires void *. */
+		( void ) memcpy( ( void * ) pucData, ( const void * ) &( pxStreamBuffer->pucBuffer[ xNextTail ] ), xFirstLength ); /*lint !e9087 memcpy() requires void *. */
 
 		/* If the total number of wanted bytes is greater than the number
 		that could be read in the first read... */
@@ -1140,7 +1159,7 @@ size_t xCount, xFirstLength, xNextTail;
 		{
 			/*...then read the remaining bytes from the start of the buffer. */
 			configASSERT( xCount <= xMaxCount );
-			memcpy( ( void * ) &( pucData[ xFirstLength ] ), ( void * ) ( pxStreamBuffer->pucBuffer ), xCount - xFirstLength ); /*lint !e9087 memcpy() requires void *. */
+			( void ) memcpy( ( void * ) &( pucData[ xFirstLength ] ), ( void * ) ( pxStreamBuffer->pucBuffer ), xCount - xFirstLength ); /*lint !e9087 memcpy() requires void *. */
 		}
 		else
 		{
@@ -1191,7 +1210,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 										  uint8_t * const pucBuffer,
 										  size_t xBufferSizeBytes,
 										  size_t xTriggerLevelBytes,
-										  BaseType_t xIsMessageBuffer )
+										  uint8_t ucFlags )
 {
 	/* Assert here is deliberately writing to the entire buffer to ensure it can
 	be written to without generating exceptions, and is setting the buffer to a
@@ -1203,25 +1222,21 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 		result in confusion as to what is actually being observed. */
 		const BaseType_t xWriteValue = 0x55;
 		configASSERT( memset( pucBuffer, ( int ) xWriteValue, xBufferSizeBytes ) == pucBuffer );
-	}
+	} /*lint !e529 !e438 xWriteValue is only used if configASSERT() is defined. */
 	#endif
 
-	memset( ( void * ) pxStreamBuffer, 0x00, sizeof( StreamBuffer_t ) ); /*lint !e9087 memset() requires void *. */
+	( void ) memset( ( void * ) pxStreamBuffer, 0x00, sizeof( StreamBuffer_t ) ); /*lint !e9087 memset() requires void *. */
 	pxStreamBuffer->pucBuffer = pucBuffer;
 	pxStreamBuffer->xLength = xBufferSizeBytes;
 	pxStreamBuffer->xTriggerLevelBytes = xTriggerLevelBytes;
-
-	if( xIsMessageBuffer != pdFALSE )
-	{
-		pxStreamBuffer->ucFlags |= sbFLAGS_IS_MESSAGE_BUFFER;
-	}
+	pxStreamBuffer->ucFlags = ucFlags;
 }
 
 #if ( configUSE_TRACE_FACILITY == 1 )
 
 	UBaseType_t uxStreamBufferGetStreamBufferNumber( StreamBufferHandle_t xStreamBuffer )
 	{
-		return ( ( StreamBuffer_t * ) xStreamBuffer )->uxStreamBufferNumber;
+		return xStreamBuffer->uxStreamBufferNumber;
 	}
 
 #endif /* configUSE_TRACE_FACILITY */
@@ -1231,7 +1246,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 
 	void vStreamBufferSetStreamBufferNumber( StreamBufferHandle_t xStreamBuffer, UBaseType_t uxStreamBufferNumber )
 	{
-		( ( StreamBuffer_t * ) xStreamBuffer )->uxStreamBufferNumber = uxStreamBufferNumber;
+		xStreamBuffer->uxStreamBufferNumber = uxStreamBufferNumber;
 	}
 
 #endif /* configUSE_TRACE_FACILITY */
@@ -1241,7 +1256,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
 
 	uint8_t ucStreamBufferGetStreamBufferType( StreamBufferHandle_t xStreamBuffer )
 	{
-		return ( ( StreamBuffer_t * )xStreamBuffer )->ucFlags & sbFLAGS_IS_MESSAGE_BUFFER;
+		return ( xStreamBuffer->ucFlags & sbFLAGS_IS_MESSAGE_BUFFER );
 	}
 
 #endif /* configUSE_TRACE_FACILITY */
diff --git a/FreeRTOS/Source/tasks.c b/FreeRTOS/Source/tasks.c
index b7af046..ff65773 100644
--- a/FreeRTOS/Source/tasks.c
+++ b/FreeRTOS/Source/tasks.c
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -40,11 +40,11 @@ task.h is included from an application file. */
 #include "timers.h"
 #include "stack_macros.h"
 
-/* Lint e961 and e750 are suppressed as a MISRA exception justified because the
-MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined for the
-header files above, but not in this file, in order to generate the correct
-privileged Vs unprivileged linkage and placement. */
-#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */
+/* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified
+because the MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined
+for the header files above, but not in this file, in order to generate the
+correct privileged Vs unprivileged linkage and placement. */
+#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750 !e9021. */
 
 /* Set configUSE_STATS_FORMATTING_FUNCTIONS to 2 to include the stats formatting
 functions but without including stdio.h here. */
@@ -75,24 +75,7 @@ functions but without including stdio.h here. */
  */
 #define tskSTACK_FILL_BYTE	( 0xa5U )
 
-/* Sometimes the FreeRTOSConfig.h settings only allow a task to be created using
-dynamically allocated RAM, in which case when any task is deleted it is known
-that both the task's stack and TCB need to be freed.  Sometimes the
-FreeRTOSConfig.h settings only allow a task to be created using statically
-allocated RAM, in which case when any task is deleted it is known that neither
-the task's stack or TCB should be freed.  Sometimes the FreeRTOSConfig.h
-settings allow a task to be created using either statically or dynamically
-allocated RAM, in which case a member of the TCB is used to record whether the
-stack and/or TCB were allocated statically or dynamically, so when a task is
-deleted the RAM that was allocated dynamically is freed again and no attempt is
-made to free the RAM that was allocated statically.
-tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE is only true if it is possible for a
-task to be created using either statically or dynamically allocated RAM.  Note
-that if portUSING_MPU_WRAPPERS is 1 then a protected task can be created with
-a statically allocated stack and a dynamically allocated TCB.
-!!!NOTE!!! If the definition of tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE is
-changed then the definition of StaticTask_t must also be updated. */
-#define tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE	( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) )
+/* Bits used to recored how a task's stack and TCB were allocated. */
 #define tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB 		( ( uint8_t ) 0 )
 #define tskSTATICALLY_ALLOCATED_STACK_ONLY 			( ( uint8_t ) 1 )
 #define tskSTATICALLY_ALLOCATED_STACK_AND_TCB		( ( uint8_t ) 2 )
@@ -100,7 +83,7 @@ changed then the definition of StaticTask_t must also be updated. */
 /* If any of the following are set then task stacks are filled with a known
 value so the high water mark can be determined.  If none of the following are
 set then don't fill the stack so there is no unnecessary dependency on memset. */
-#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
+#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )
 	#define tskSET_NEW_STACKS_TO_KNOWN_VALUE	1
 #else
 	#define tskSET_NEW_STACKS_TO_KNOWN_VALUE	0
@@ -245,7 +228,7 @@ count overflows. */
  * task should be used in place of the parameter.  This macro simply checks to
  * see if the parameter is NULL and returns a pointer to the appropriate TCB.
  */
-#define prvGetTCBFromHandle( pxHandle ) ( ( ( pxHandle ) == NULL ) ? ( TCB_t * ) pxCurrentTCB : ( TCB_t * ) ( pxHandle ) )
+#define prvGetTCBFromHandle( pxHandle ) ( ( ( pxHandle ) == NULL ) ? pxCurrentTCB : ( pxHandle ) )
 
 /* The item value of the event list item is normally used to hold the priority
 of the task to which it belongs (coded to allow it to be held in reverse
@@ -266,7 +249,7 @@ to its original value when it is released. */
  * and stores task state information, including a pointer to the task's context
  * (the task's run time environment, including register values)
  */
-typedef struct tskTaskControlBlock
+typedef struct tskTaskControlBlock 			/* The old naming convention is used to prevent breaking kernel aware debuggers. */
 {
 	volatile StackType_t	*pxTopOfStack;	/*< Points to the location of the last item placed on the tasks stack.  THIS MUST BE THE FIRST MEMBER OF THE TCB STRUCT. */
 
@@ -326,9 +309,9 @@ typedef struct tskTaskControlBlock
 		volatile uint8_t ucNotifyState;
 	#endif
 
-	/* See the comments above the definition of
+	/* See the comments in FreeRTOS.h with the definition of
 	tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE. */
-	#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 Macro has been consolidated for readability reasons. */
+	#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 !e9029 Macro has been consolidated for readability reasons. */
 		uint8_t	ucStaticallyAllocated; 		/*< Set to pdTRUE if the task is a statically allocated to ensure no attempt is made to free the memory. */
 	#endif
 
@@ -336,6 +319,10 @@ typedef struct tskTaskControlBlock
 		uint8_t ucDelayAborted;
 	#endif
 
+	#if( configUSE_POSIX_ERRNO == 1 )
+		int iTaskErrno;
+	#endif
+
 } tskTCB;
 
 /* The old tskTCB name is maintained above then typedefed to the new TCB_t name
@@ -344,10 +331,12 @@ typedef tskTCB TCB_t;
 
 /*lint -save -e956 A manual analysis and inspection has been used to determine
 which static variables must be declared volatile. */
-
 PRIVILEGED_DATA TCB_t * volatile pxCurrentTCB = NULL;
 
-/* Lists for ready and blocked tasks. --------------------*/
+/* Lists for ready and blocked tasks. --------------------
+xDelayedTaskList1 and xDelayedTaskList2 could be move to function scople but
+doing so breaks some kernel aware debuggers and debuggers that rely on removing
+the static qualifier. */
 PRIVILEGED_DATA static List_t pxReadyTasksLists[ configMAX_PRIORITIES ];/*< Prioritised ready tasks. */
 PRIVILEGED_DATA static List_t xDelayedTaskList1;						/*< Delayed tasks. */
 PRIVILEGED_DATA static List_t xDelayedTaskList2;						/*< Delayed tasks (two lists are used - one for delays that have overflowed the current tick count. */
@@ -368,6 +357,12 @@ PRIVILEGED_DATA static List_t xPendingReadyList;						/*< Tasks that have been r
 
 #endif
 
+/* Global POSIX errno. Its value is changed upon context switching to match
+the errno of the currently running task. */
+#if ( configUSE_POSIX_ERRNO == 1 )
+	int FreeRTOS_errno = 0;
+#endif
+
 /* Other file private variables. --------------------------------*/
 PRIVILEGED_DATA static volatile UBaseType_t uxCurrentNumberOfTasks 	= ( UBaseType_t ) 0U;
 PRIVILEGED_DATA static volatile TickType_t xTickCount 				= ( TickType_t ) configINITIAL_TICK_COUNT;
@@ -392,6 +387,8 @@ PRIVILEGED_DATA static volatile UBaseType_t uxSchedulerSuspended	= ( UBaseType_t
 
 #if ( configGENERATE_RUN_TIME_STATS == 1 )
 
+	/* Do not move these variables to function scope as doing so prevents the
+	code working with debuggers that need to remove the static qualifier. */
 	PRIVILEGED_DATA static uint32_t ulTaskSwitchedInTime = 0UL;	/*< Holds the value of a timer/counter the last time a task was switched in. */
 	PRIVILEGED_DATA static uint32_t ulTotalRunTime = 0UL;		/*< Holds the total amount of execution time as defined by the run time counter clock. */
 
@@ -410,13 +407,13 @@ PRIVILEGED_DATA static volatile UBaseType_t uxSchedulerSuspended	= ( UBaseType_t
 
 #if( configUSE_TICK_HOOK > 0 )
 
-	extern void vApplicationTickHook( void );
+	extern void vApplicationTickHook( void ); /*lint !e526 Symbol not defined as it is an application callback. */
 
 #endif
 
 #if( configSUPPORT_STATIC_ALLOCATION == 1 )
 
-	extern void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize );
+	extern void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize ); /*lint !e526 Symbol not defined as it is an application callback. */
 
 #endif
 
@@ -507,7 +504,7 @@ static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait, const BaseT
  * This function determines the 'high water mark' of the task stack by
  * determining how much of the stack remains at the original preset value.
  */
-#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
+#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )
 
 	static configSTACK_DEPTH_TYPE prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte ) PRIVILEGED_FUNCTION;
 
@@ -599,6 +596,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB ) PRIVILEGED_FUNCTION;
 			structure. */
 			volatile size_t xSize = sizeof( StaticTask_t );
 			configASSERT( xSize == sizeof( TCB_t ) );
+			( void ) xSize; /* Prevent lint warning when configASSERT() is not used. */
 		}
 		#endif /* configASSERT_DEFINED */
 
@@ -607,16 +605,16 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB ) PRIVILEGED_FUNCTION;
 		{
 			/* The memory used for the task's TCB and stack are passed into this
 			function - use them. */
-			pxNewTCB = ( TCB_t * ) pxTaskBuffer; /*lint !e740 Unusual cast is ok as the structures are designed to have the same alignment, and the size is checked by an assert. */
+			pxNewTCB = ( TCB_t * ) pxTaskBuffer; /*lint !e740 !e9087 Unusual cast is ok as the structures are designed to have the same alignment, and the size is checked by an assert. */
 			pxNewTCB->pxStack = ( StackType_t * ) puxStackBuffer;
 
-			#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 Macro has been consolidated for readability reasons. */
+			#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 !e9029 Macro has been consolidated for readability reasons. */
 			{
 				/* Tasks can be created statically or dynamically, so note this
 				task was created statically in case the task is later deleted. */
 				pxNewTCB->ucStaticallyAllocated = tskSTATICALLY_ALLOCATED_STACK_AND_TCB;
 			}
-			#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
+			#endif /* tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE */
 
 			prvInitialiseNewTask( pxTaskCode, pcName, ulStackDepth, pvParameters, uxPriority, &xReturn, pxNewTCB, NULL );
 			prvAddNewTaskToReadyList( pxNewTCB );
@@ -658,7 +656,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB ) PRIVILEGED_FUNCTION;
 				task was created statically in case the task is later deleted. */
 				pxNewTCB->ucStaticallyAllocated = tskSTATICALLY_ALLOCATED_STACK_AND_TCB;
 			}
-			#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
+			#endif /* tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE */
 
 			prvInitialiseNewTask(	pxTaskDefinition->pvTaskCode,
 									pxTaskDefinition->pcName,
@@ -699,14 +697,14 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB ) PRIVILEGED_FUNCTION;
 				/* Store the stack location in the TCB. */
 				pxNewTCB->pxStack = pxTaskDefinition->puxStackBuffer;
 
-				#if( configSUPPORT_STATIC_ALLOCATION == 1 )
+				#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 )
 				{
 					/* Tasks can be created statically or dynamically, so note
 					this task had a statically allocated stack in case it is
 					later deleted.  The TCB was allocated dynamically. */
 					pxNewTCB->ucStaticallyAllocated = tskSTATICALLY_ALLOCATED_STACK_ONLY;
 				}
-				#endif
+				#endif /* tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE */
 
 				prvInitialiseNewTask(	pxTaskDefinition->pvTaskCode,
 										pxTaskDefinition->pcName,
@@ -769,12 +767,12 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB ) PRIVILEGED_FUNCTION;
 		StackType_t *pxStack;
 
 			/* Allocate space for the stack used by the task being created. */
-			pxStack = ( StackType_t * ) pvPortMalloc( ( ( ( size_t ) usStackDepth ) * sizeof( StackType_t ) ) ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
+			pxStack = pvPortMalloc( ( ( ( size_t ) usStackDepth ) * sizeof( StackType_t ) ) ); /*lint !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack and this allocation is the stack. */
 
 			if( pxStack != NULL )
 			{
 				/* Allocate space for the TCB. */
-				pxNewTCB = ( TCB_t * ) pvPortMalloc( sizeof( TCB_t ) ); /*lint !e961 MISRA exception as the casts are only redundant for some paths. */
+				pxNewTCB = ( TCB_t * ) pvPortMalloc( sizeof( TCB_t ) ); /*lint !e9087 !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack, and the first member of TCB_t is always a pointer to the task's stack. */
 
 				if( pxNewTCB != NULL )
 				{
@@ -797,13 +795,13 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB ) PRIVILEGED_FUNCTION;
 
 		if( pxNewTCB != NULL )
 		{
-			#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 Macro has been consolidated for readability reasons. */
+			#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e9029 !e731 Macro has been consolidated for readability reasons. */
 			{
 				/* Tasks can be created statically or dynamically, so note this
 				task was created dynamically in case it is later deleted. */
 				pxNewTCB->ucStaticallyAllocated = tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB;
 			}
-			#endif /* configSUPPORT_STATIC_ALLOCATION */
+			#endif /* tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE */
 
 			prvInitialiseNewTask( pxTaskCode, pcName, ( uint32_t ) usStackDepth, pvParameters, uxPriority, pxCreatedTask, pxNewTCB, NULL );
 			prvAddNewTaskToReadyList( pxNewTCB );
@@ -846,8 +844,6 @@ UBaseType_t x;
 		uxPriority &= ~portPRIVILEGE_BIT;
 	#endif /* portUSING_MPU_WRAPPERS == 1 */
 
-	configASSERT( pcName );
-
 	/* Avoid dependency on memset() if it is not required. */
 	#if( tskSET_NEW_STACKS_TO_KNOWN_VALUE == 1 )
 	{
@@ -862,8 +858,8 @@ UBaseType_t x;
 	by the port. */
 	#if( portSTACK_GROWTH < 0 )
 	{
-		pxTopOfStack = pxNewTCB->pxStack + ( ulStackDepth - ( uint32_t ) 1 );
-		pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); /*lint !e923 MISRA exception.  Avoiding casts between pointers and integers is not practical.  Size differences accounted for using portPOINTER_SIZE_TYPE type. */
+		pxTopOfStack = &( pxNewTCB->pxStack[ ulStackDepth - ( uint32_t ) 1 ] );
+		pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); /*lint !e923 !e9033 !e9078 MISRA exception.  Avoiding casts between pointers and integers is not practical.  Size differences accounted for using portPOINTER_SIZE_TYPE type.  Checked by assert(). */
 
 		/* Check the alignment of the calculated top of stack is correct. */
 		configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) );
@@ -890,26 +886,35 @@ UBaseType_t x;
 	#endif /* portSTACK_GROWTH */
 
 	/* Store the task name in the TCB. */
-	for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )
+	if( pcName != NULL )
 	{
-		pxNewTCB->pcTaskName[ x ] = pcName[ x ];
+		for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )
+		{
+			pxNewTCB->pcTaskName[ x ] = pcName[ x ];
 
-		/* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than
-		configMAX_TASK_NAME_LEN characters just in case the memory after the
-		string is not accessible (extremely unlikely). */
-		if( pcName[ x ] == 0x00 )
-		{
-			break;
-		}
-		else
-		{
-			mtCOVERAGE_TEST_MARKER();
+			/* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than
+			configMAX_TASK_NAME_LEN characters just in case the memory after the
+			string is not accessible (extremely unlikely). */
+			if( pcName[ x ] == ( char ) 0x00 )
+			{
+				break;
+			}
+			else
+			{
+				mtCOVERAGE_TEST_MARKER();
+			}
 		}
+
+		/* Ensure the name string is terminated in the case that the string length
+		was greater or equal to configMAX_TASK_NAME_LEN. */
+		pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0';
+	}
+	else
+	{
+		/* The task has not been given a name, so just ensure there is a NULL
+		terminator when it is read out. */
+		pxNewTCB->pcTaskName[ 0 ] = 0x00;
 	}
-
-	/* Ensure the name string is terminated in the case that the string length
-	was greater or equal to configMAX_TASK_NAME_LEN. */
-	pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0';
 
 	/* This is used as an array index so must ensure it's not too large.  First
 	remove the privilege bit if one is present. */
@@ -1005,15 +1010,53 @@ UBaseType_t x;
 	the top of stack variable is updated. */
 	#if( portUSING_MPU_WRAPPERS == 1 )
 	{
-		pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters, xRunPrivileged );
+		/* If the port has capability to detect stack overflow,
+		pass the stack end address to the stack initialization
+		function as well. */
+		#if( portHAS_STACK_OVERFLOW_CHECKING == 1 )
+		{
+			#if( portSTACK_GROWTH < 0 )
+			{
+				pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxStack, pxTaskCode, pvParameters, xRunPrivileged );
+			}
+			#else /* portSTACK_GROWTH */
+			{
+				pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxEndOfStack, pxTaskCode, pvParameters, xRunPrivileged );
+			}
+			#endif /* portSTACK_GROWTH */
+		}
+		#else /* portHAS_STACK_OVERFLOW_CHECKING */
+		{
+			pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters, xRunPrivileged );
+		}
+		#endif /* portHAS_STACK_OVERFLOW_CHECKING */
 	}
 	#else /* portUSING_MPU_WRAPPERS */
 	{
-		pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters );
+		/* If the port has capability to detect stack overflow,
+		pass the stack end address to the stack initialization
+		function as well. */
+		#if( portHAS_STACK_OVERFLOW_CHECKING == 1 )
+		{
+			#if( portSTACK_GROWTH < 0 )
+			{
+				pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxStack, pxTaskCode, pvParameters );
+			}
+			#else /* portSTACK_GROWTH */
+			{
+				pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxEndOfStack, pxTaskCode, pvParameters );
+			}
+			#endif /* portSTACK_GROWTH */
+		}
+		#else /* portHAS_STACK_OVERFLOW_CHECKING */
+		{
+			pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters );
+		}
+		#endif /* portHAS_STACK_OVERFLOW_CHECKING */
 	}
 	#endif /* portUSING_MPU_WRAPPERS */
 
-	if( ( void * ) pxCreatedTask != NULL )
+	if( pxCreatedTask != NULL )
 	{
 		/* Pass the handle out in an anonymous way.  The handle can be used to
 		change the created task's priority, delete the created task, etc.*/
@@ -1330,13 +1373,13 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 #endif /* INCLUDE_vTaskDelay */
 /*-----------------------------------------------------------*/
 
-#if( ( INCLUDE_eTaskGetState == 1 ) || ( configUSE_TRACE_FACILITY == 1 ) )
+#if( ( INCLUDE_eTaskGetState == 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_xTaskAbortDelay == 1 ) )
 
 	eTaskState eTaskGetState( TaskHandle_t xTask )
 	{
 	eTaskState eReturn;
-	List_t *pxStateList;
-	const TCB_t * const pxTCB = ( TCB_t * ) xTask;
+	List_t const * pxStateList, *pxDelayedList, *pxOverflowedDelayedList;
+	const TCB_t * const pxTCB = xTask;
 
 		configASSERT( pxTCB );
 
@@ -1349,11 +1392,13 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 		{
 			taskENTER_CRITICAL();
 			{
-				pxStateList = ( List_t * ) listLIST_ITEM_CONTAINER( &( pxTCB->xStateListItem ) );
+				pxStateList = listLIST_ITEM_CONTAINER( &( pxTCB->xStateListItem ) );
+				pxDelayedList = pxDelayedTaskList;
+				pxOverflowedDelayedList = pxOverflowDelayedTaskList;
 			}
 			taskEXIT_CRITICAL();
 
-			if( ( pxStateList == pxDelayedTaskList ) || ( pxStateList == pxOverflowDelayedTaskList ) )
+			if( ( pxStateList == pxDelayedList ) || ( pxStateList == pxOverflowedDelayedList ) )
 			{
 				/* The task being queried is referenced from one of the Blocked
 				lists. */
@@ -1422,15 +1467,15 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 
 #if ( INCLUDE_uxTaskPriorityGet == 1 )
 
-	UBaseType_t uxTaskPriorityGet( TaskHandle_t xTask )
+	UBaseType_t uxTaskPriorityGet( const TaskHandle_t xTask )
 	{
-	TCB_t *pxTCB;
+	TCB_t const *pxTCB;
 	UBaseType_t uxReturn;
 
 		taskENTER_CRITICAL();
 		{
-			/* If null is passed in here then it is the priority of the that
-			called uxTaskPriorityGet() that is being queried. */
+			/* If null is passed in here then it is the priority of the task
+			that called uxTaskPriorityGet() that is being queried. */
 			pxTCB = prvGetTCBFromHandle( xTask );
 			uxReturn = pxTCB->uxPriority;
 		}
@@ -1444,9 +1489,9 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 
 #if ( INCLUDE_uxTaskPriorityGet == 1 )
 
-	UBaseType_t uxTaskPriorityGetFromISR( TaskHandle_t xTask )
+	UBaseType_t uxTaskPriorityGetFromISR( const TaskHandle_t xTask )
 	{
-	TCB_t *pxTCB;
+	TCB_t const *pxTCB;
 	UBaseType_t uxReturn, uxSavedInterruptState;
 
 		/* RTOS ports that support interrupt nesting have the concept of a
@@ -1464,7 +1509,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 		separate interrupt safe API to ensure interrupt entry is as fast and as
 		simple as possible.  More information (albeit Cortex-M specific) is
 		provided on the following link:
-		http://www.freertos.org/RTOS-Cortex-M3-M4.html */
+		https://www.freertos.org/RTOS-Cortex-M3-M4.html */
 		portASSERT_IF_INTERRUPT_PRIORITY_INVALID();
 
 		uxSavedInterruptState = portSET_INTERRUPT_MASK_FROM_ISR();
@@ -1724,7 +1769,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 				/* The scheduler is not running, but the task that was pointed
 				to by pxCurrentTCB has just been suspended and pxCurrentTCB
 				must be adjusted to point to a different task. */
-				if( listCURRENT_LIST_LENGTH( &xSuspendedTaskList ) == uxCurrentNumberOfTasks )
+				if( listCURRENT_LIST_LENGTH( &xSuspendedTaskList ) == uxCurrentNumberOfTasks ) /*lint !e931 Right has no side effect, just volatile. */
 				{
 					/* No other tasks are ready, so set pxCurrentTCB back to
 					NULL so when the next task is created pxCurrentTCB will
@@ -1752,7 +1797,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 	static BaseType_t prvTaskIsTaskSuspended( const TaskHandle_t xTask )
 	{
 	BaseType_t xReturn = pdFALSE;
-	const TCB_t * const pxTCB = ( TCB_t * ) xTask;
+	const TCB_t * const pxTCB = xTask;
 
 		/* Accesses xPendingReadyList so must be called from a critical
 		section. */
@@ -1797,14 +1842,14 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 
 	void vTaskResume( TaskHandle_t xTaskToResume )
 	{
-	TCB_t * const pxTCB = ( TCB_t * ) xTaskToResume;
+	TCB_t * const pxTCB = xTaskToResume;
 
 		/* It does not make sense to resume the calling task. */
 		configASSERT( xTaskToResume );
 
 		/* The parameter cannot be NULL as it is impossible to resume the
 		currently executing task. */
-		if( ( pxTCB != NULL ) && ( pxTCB != pxCurrentTCB ) )
+		if( ( pxTCB != pxCurrentTCB ) && ( pxTCB != NULL ) )
 		{
 			taskENTER_CRITICAL();
 			{
@@ -1852,7 +1897,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 	BaseType_t xTaskResumeFromISR( TaskHandle_t xTaskToResume )
 	{
 	BaseType_t xYieldRequired = pdFALSE;
-	TCB_t * const pxTCB = ( TCB_t * ) xTaskToResume;
+	TCB_t * const pxTCB = xTaskToResume;
 	UBaseType_t uxSavedInterruptStatus;
 
 		configASSERT( xTaskToResume );
@@ -1872,7 +1917,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 		separate interrupt safe API to ensure interrupt entry is as fast and as
 		simple as possible.  More information (albeit Cortex-M specific) is
 		provided on the following link:
-		http://www.freertos.org/RTOS-Cortex-M3-M4.html */
+		https://www.freertos.org/RTOS-Cortex-M3-M4.html */
 		portASSERT_IF_INTERRUPT_PRIORITY_INVALID();
 
 		uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();
@@ -1937,7 +1982,7 @@ BaseType_t xReturn;
 												configIDLE_TASK_NAME,
 												ulIdleTaskStackSize,
 												( void * ) NULL, /*lint !e961.  The cast is not redundant for all compilers. */
-												( tskIDLE_PRIORITY | portPRIVILEGE_BIT ),
+												portPRIVILEGE_BIT, /* In effect ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), but tskIDLE_PRIORITY is zero. */
 												pxIdleTaskStackBuffer,
 												pxIdleTaskTCBBuffer ); /*lint !e961 MISRA exception, justified as it is not a redundant explicit cast to all supported compilers. */
 
@@ -1957,7 +2002,7 @@ BaseType_t xReturn;
 								configIDLE_TASK_NAME,
 								configMINIMAL_STACK_SIZE,
 								( void * ) NULL,
-								( tskIDLE_PRIORITY | portPRIVILEGE_BIT ),
+								portPRIVILEGE_BIT, /* In effect ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), but tskIDLE_PRIORITY is zero. */
 								&xIdleTaskHandle ); /*lint !e961 MISRA exception, justified as it is not a redundant explicit cast to all supported compilers. */
 	}
 	#endif /* configSUPPORT_STATIC_ALLOCATION */
@@ -2151,7 +2196,7 @@ BaseType_t xAlreadyYielded = pdFALSE;
 				appropriate ready list. */
 				while( listLIST_IS_EMPTY( &xPendingReadyList ) == pdFALSE )
 				{
-					pxTCB = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( ( &xPendingReadyList ) );
+					pxTCB = listGET_OWNER_OF_HEAD_ENTRY( ( &xPendingReadyList ) ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 					( void ) uxListRemove( &( pxTCB->xEventListItem ) );
 					( void ) uxListRemove( &( pxTCB->xStateListItem ) );
 					prvAddTaskToReadyList( pxTCB );
@@ -2268,7 +2313,7 @@ UBaseType_t uxSavedInterruptStatus;
 	system call	interrupt priority.  FreeRTOS maintains a separate interrupt
 	safe API to ensure interrupt entry is as fast and as simple as possible.
 	More information (albeit Cortex-M specific) is provided on the following
-	link: http://www.freertos.org/RTOS-Cortex-M3-M4.html */
+	link: https://www.freertos.org/RTOS-Cortex-M3-M4.html */
 	portASSERT_IF_INTERRUPT_PRIORITY_INVALID();
 
 	uxSavedInterruptStatus = portTICK_TYPE_SET_INTERRUPT_MASK_FROM_ISR();
@@ -2308,19 +2353,21 @@ TCB_t *pxTCB;
 	TCB_t *pxNextTCB, *pxFirstTCB, *pxReturn = NULL;
 	UBaseType_t x;
 	char cNextChar;
+	BaseType_t xBreakLoop;
 
 		/* This function is called with the scheduler suspended. */
 
 		if( listCURRENT_LIST_LENGTH( pxList ) > ( UBaseType_t ) 0 )
 		{
-			listGET_OWNER_OF_NEXT_ENTRY( pxFirstTCB, pxList );
+			listGET_OWNER_OF_NEXT_ENTRY( pxFirstTCB, pxList );  /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 
 			do
 			{
-				listGET_OWNER_OF_NEXT_ENTRY( pxNextTCB, pxList );
+				listGET_OWNER_OF_NEXT_ENTRY( pxNextTCB, pxList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 
 				/* Check each character in the name looking for a match or
 				mismatch. */
+				xBreakLoop = pdFALSE;
 				for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )
 				{
 					cNextChar = pxNextTCB->pcTaskName[ x ];
@@ -2328,19 +2375,24 @@ TCB_t *pxTCB;
 					if( cNextChar != pcNameToQuery[ x ] )
 					{
 						/* Characters didn't match. */
-						break;
+						xBreakLoop = pdTRUE;
 					}
-					else if( cNextChar == 0x00 )
+					else if( cNextChar == ( char ) 0x00 )
 					{
 						/* Both strings terminated, a match must have been
 						found. */
 						pxReturn = pxNextTCB;
-						break;
+						xBreakLoop = pdTRUE;
 					}
 					else
 					{
 						mtCOVERAGE_TEST_MARKER();
 					}
+
+					if( xBreakLoop != pdFALSE )
+					{
+						break;
+					}
 				}
 
 				if( pxReturn != NULL )
@@ -2421,7 +2473,7 @@ TCB_t *pxTCB;
 		}
 		( void ) xTaskResumeAll();
 
-		return ( TaskHandle_t ) pxTCB;
+		return pxTCB;
 	}
 
 #endif /* INCLUDE_xTaskGetHandle */
@@ -2537,7 +2589,7 @@ implementations require configUSE_TICKLESS_IDLE to be set to a value other than
 
 	BaseType_t xTaskAbortDelay( TaskHandle_t xTask )
 	{
-	TCB_t *pxTCB = ( TCB_t * ) xTask;
+	TCB_t *pxTCB = xTask;
 	BaseType_t xReturn;
 
 		configASSERT( pxTCB );
@@ -2662,7 +2714,7 @@ BaseType_t xSwitchRequired = pdFALSE;
 					item at the head of the delayed list.  This is the time
 					at which the task at the head of the delayed list must
 					be removed from the Blocked state. */
-					pxTCB = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList );
+					pxTCB = listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 					xItemValue = listGET_LIST_ITEM_VALUE( &( pxTCB->xStateListItem ) );
 
 					if( xConstTickCount < xItemValue )
@@ -2673,7 +2725,7 @@ BaseType_t xSwitchRequired = pdFALSE;
 						state -	so record the item value in
 						xNextTaskUnblockTime. */
 						xNextTaskUnblockTime = xItemValue;
-						break;
+						break; /*lint !e9011 Code structure here is deedmed easier to understand with multiple breaks. */
 					}
 					else
 					{
@@ -2795,7 +2847,7 @@ BaseType_t xSwitchRequired = pdFALSE;
 		}
 		else
 		{
-			xTCB = ( TCB_t * ) xTask;
+			xTCB = xTask;
 		}
 
 		/* Save the hook function in the TCB.  A critical section is required as
@@ -2814,24 +2866,17 @@ BaseType_t xSwitchRequired = pdFALSE;
 
 	TaskHookFunction_t xTaskGetApplicationTaskTag( TaskHandle_t xTask )
 	{
-	TCB_t *xTCB;
+	TCB_t *pxTCB;
 	TaskHookFunction_t xReturn;
 
-		/* If xTask is NULL then we are setting our own task hook. */
-		if( xTask == NULL )
-		{
-			xTCB = ( TCB_t * ) pxCurrentTCB;
-		}
-		else
-		{
-			xTCB = ( TCB_t * ) xTask;
-		}
+		/* If xTask is NULL then set the calling task's hook. */
+		pxTCB = prvGetTCBFromHandle( xTask );
 
 		/* Save the hook function in the TCB.  A critical section is required as
 		the value can be accessed from an interrupt. */
 		taskENTER_CRITICAL();
 		{
-			xReturn = xTCB->pxTaskTag;
+			xReturn = pxTCB->pxTaskTag;
 		}
 		taskEXIT_CRITICAL();
 
@@ -2841,6 +2886,31 @@ BaseType_t xSwitchRequired = pdFALSE;
 #endif /* configUSE_APPLICATION_TASK_TAG */
 /*-----------------------------------------------------------*/
 
+#if ( configUSE_APPLICATION_TASK_TAG == 1 )
+
+	TaskHookFunction_t xTaskGetApplicationTaskTagFromISR( TaskHandle_t xTask )
+	{
+	TCB_t *pxTCB;
+	TaskHookFunction_t xReturn;
+	UBaseType_t uxSavedInterruptStatus;
+
+		/* If xTask is NULL then set the calling task's hook. */
+		pxTCB = prvGetTCBFromHandle( xTask );
+
+		/* Save the hook function in the TCB.  A critical section is required as
+		the value can be accessed from an interrupt. */
+		uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();
+		{
+			xReturn = pxTCB->pxTaskTag;
+		}
+		portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus );
+
+		return xReturn;
+	}
+
+#endif /* configUSE_APPLICATION_TASK_TAG */
+/*-----------------------------------------------------------*/
+
 #if ( configUSE_APPLICATION_TASK_TAG == 1 )
 
 	BaseType_t xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter )
@@ -2851,11 +2921,11 @@ BaseType_t xSwitchRequired = pdFALSE;
 		/* If xTask is NULL then we are calling our own task hook. */
 		if( xTask == NULL )
 		{
-			xTCB = ( TCB_t * ) pxCurrentTCB;
+			xTCB = pxCurrentTCB;
 		}
 		else
 		{
-			xTCB = ( TCB_t * ) xTask;
+			xTCB = xTask;
 		}
 
 		if( xTCB->pxTaskTag != NULL )
@@ -2888,39 +2958,53 @@ void vTaskSwitchContext( void )
 
 		#if ( configGENERATE_RUN_TIME_STATS == 1 )
 		{
-				#ifdef portALT_GET_RUN_TIME_COUNTER_VALUE
-					portALT_GET_RUN_TIME_COUNTER_VALUE( ulTotalRunTime );
-				#else
-					ulTotalRunTime = portGET_RUN_TIME_COUNTER_VALUE();
-				#endif
+			#ifdef portALT_GET_RUN_TIME_COUNTER_VALUE
+				portALT_GET_RUN_TIME_COUNTER_VALUE( ulTotalRunTime );
+			#else
+				ulTotalRunTime = portGET_RUN_TIME_COUNTER_VALUE();
+			#endif
 
-				/* Add the amount of time the task has been running to the
-				accumulated time so far.  The time the task started running was
-				stored in ulTaskSwitchedInTime.  Note that there is no overflow
-				protection here so count values are only valid until the timer
-				overflows.  The guard against negative values is to protect
-				against suspect run time stat counter implementations - which
-				are provided by the application, not the kernel. */
-				if( ulTotalRunTime > ulTaskSwitchedInTime )
-				{
-					pxCurrentTCB->ulRunTimeCounter += ( ulTotalRunTime - ulTaskSwitchedInTime );
-				}
-				else
-				{
-					mtCOVERAGE_TEST_MARKER();
-				}
-				ulTaskSwitchedInTime = ulTotalRunTime;
+			/* Add the amount of time the task has been running to the
+			accumulated time so far.  The time the task started running was
+			stored in ulTaskSwitchedInTime.  Note that there is no overflow
+			protection here so count values are only valid until the timer
+			overflows.  The guard against negative values is to protect
+			against suspect run time stat counter implementations - which
+			are provided by the application, not the kernel. */
+			if( ulTotalRunTime > ulTaskSwitchedInTime )
+			{
+				pxCurrentTCB->ulRunTimeCounter += ( ulTotalRunTime - ulTaskSwitchedInTime );
+			}
+			else
+			{
+				mtCOVERAGE_TEST_MARKER();
+			}
+			ulTaskSwitchedInTime = ulTotalRunTime;
 		}
 		#endif /* configGENERATE_RUN_TIME_STATS */
 
 		/* Check for stack overflow, if configured. */
 		taskCHECK_FOR_STACK_OVERFLOW();
 
+		/* Before the currently running task is switched out, save its errno. */
+		#if( configUSE_POSIX_ERRNO == 1 )
+		{
+			pxCurrentTCB->iTaskErrno = FreeRTOS_errno;
+		}
+		#endif
+
 		/* Select a new task to run using either the generic C or port
 		optimised asm code. */
-		taskSELECT_HIGHEST_PRIORITY_TASK();
+		taskSELECT_HIGHEST_PRIORITY_TASK(); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 		traceTASK_SWITCHED_IN();
 
+		/* After the new task is switched in, update the global errno. */
+		#if( configUSE_POSIX_ERRNO == 1 )
+		{
+			FreeRTOS_errno = pxCurrentTCB->iTaskErrno;
+		}
+		#endif
+
 		#if ( configUSE_NEWLIB_REENTRANT == 1 )
 		{
 			/* Switch Newlib's _impure_ptr variable to point to the _reent
@@ -3024,7 +3108,7 @@ BaseType_t xReturn;
 
 	This function assumes that a check has already been made to ensure that
 	pxEventList is not empty. */
-	pxUnblockedTCB = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxEventList );
+	pxUnblockedTCB = listGET_OWNER_OF_HEAD_ENTRY( pxEventList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 	configASSERT( pxUnblockedTCB );
 	( void ) uxListRemove( &( pxUnblockedTCB->xEventListItem ) );
 
@@ -3032,6 +3116,20 @@ BaseType_t xReturn;
 	{
 		( void ) uxListRemove( &( pxUnblockedTCB->xStateListItem ) );
 		prvAddTaskToReadyList( pxUnblockedTCB );
+
+		#if( configUSE_TICKLESS_IDLE != 0 )
+		{
+			/* If a task is blocked on a kernel object then xNextTaskUnblockTime
+			might be set to the blocked task's time out time.  If the task is
+			unblocked for a reason other than a timeout xNextTaskUnblockTime is
+			normally left unchanged, because it is automatically reset to a new
+			value when the tick count equals xNextTaskUnblockTime.  However if
+			tickless idling is used it might be more important to enter sleep mode
+			at the earliest possible time - so reset xNextTaskUnblockTime here to
+			ensure it is updated at the earliest possible time. */
+			prvResetNextTaskUnblockTime();
+		}
+		#endif
 	}
 	else
 	{
@@ -3056,20 +3154,6 @@ BaseType_t xReturn;
 		xReturn = pdFALSE;
 	}
 
-	#if( configUSE_TICKLESS_IDLE != 0 )
-	{
-		/* If a task is blocked on a kernel object then xNextTaskUnblockTime
-		might be set to the blocked task's time out time.  If the task is
-		unblocked for a reason other than a timeout xNextTaskUnblockTime is
-		normally left unchanged, because it is automatically reset to a new
-		value when the tick count equals xNextTaskUnblockTime.  However if
-		tickless idling is used it might be more important to enter sleep mode
-		at the earliest possible time - so reset xNextTaskUnblockTime here to
-		ensure it is updated at the earliest possible time. */
-		prvResetNextTaskUnblockTime();
-	}
-	#endif
-
 	return xReturn;
 }
 /*-----------------------------------------------------------*/
@@ -3087,7 +3171,7 @@ TCB_t *pxUnblockedTCB;
 
 	/* Remove the event list form the event flag.  Interrupts do not access
 	event flags. */
-	pxUnblockedTCB = ( TCB_t * ) listGET_LIST_ITEM_OWNER( pxEventListItem );
+	pxUnblockedTCB = listGET_LIST_ITEM_OWNER( pxEventListItem ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 	configASSERT( pxUnblockedTCB );
 	( void ) uxListRemove( pxEventListItem );
 
@@ -3142,7 +3226,7 @@ BaseType_t xReturn;
 		const TickType_t xElapsedTime = xConstTickCount - pxTimeOut->xTimeOnEntering;
 
 		#if( INCLUDE_xTaskAbortDelay == 1 )
-			if( pxCurrentTCB->ucDelayAborted != pdFALSE )
+			if( pxCurrentTCB->ucDelayAborted != ( uint8_t ) pdFALSE )
 			{
 				/* The delay was aborted, which is not the same as a time out,
 				but has the same result. */
@@ -3202,11 +3286,11 @@ void vTaskMissedYield( void )
 	UBaseType_t uxTaskGetTaskNumber( TaskHandle_t xTask )
 	{
 	UBaseType_t uxReturn;
-	TCB_t *pxTCB;
+	TCB_t const *pxTCB;
 
 		if( xTask != NULL )
 		{
-			pxTCB = ( TCB_t * ) xTask;
+			pxTCB = xTask;
 			uxReturn = pxTCB->uxTaskNumber;
 		}
 		else
@@ -3224,11 +3308,11 @@ void vTaskMissedYield( void )
 
 	void vTaskSetTaskNumber( TaskHandle_t xTask, const UBaseType_t uxHandle )
 	{
-	TCB_t *pxTCB;
+	TCB_t * pxTCB;
 
 		if( xTask != NULL )
 		{
-			pxTCB = ( TCB_t * ) xTask;
+			pxTCB = xTask;
 			pxTCB->uxTaskNumber = uxHandle;
 		}
 	}
@@ -3257,7 +3341,7 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
 	/* In case a task that has a secure context deletes itself, in which case
 	the idle task is responsible for deleting the task's secure context, if
 	any. */
-	portTASK_CALLS_SECURE_FUNCTIONS();
+	portALLOCATE_SECURE_CONTEXT( configMINIMAL_SECURE_STACK_SIZE );
 
 	for( ;; )
 	{
@@ -3505,7 +3589,7 @@ static void prvCheckTasksWaitingTermination( void )
 		{
 			taskENTER_CRITICAL();
 			{
-				pxTCB = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( ( &xTasksWaitingTermination ) );
+				pxTCB = listGET_OWNER_OF_HEAD_ENTRY( ( &xTasksWaitingTermination ) ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 				( void ) uxListRemove( &( pxTCB->xStateListItem ) );
 				--uxCurrentNumberOfTasks;
 				--uxDeletedTasksWaitingCleanUp;
@@ -3624,7 +3708,7 @@ static void prvCheckTasksWaitingTermination( void )
 
 		if( listCURRENT_LIST_LENGTH( pxList ) > ( UBaseType_t ) 0 )
 		{
-			listGET_OWNER_OF_NEXT_ENTRY( pxFirstTCB, pxList );
+			listGET_OWNER_OF_NEXT_ENTRY( pxFirstTCB, pxList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 
 			/* Populate an TaskStatus_t structure within the
 			pxTaskStatusArray array for each task that is referenced from
@@ -3632,7 +3716,7 @@ static void prvCheckTasksWaitingTermination( void )
 			meaning of each TaskStatus_t structure member. */
 			do
 			{
-				listGET_OWNER_OF_NEXT_ENTRY( pxNextTCB, pxList );
+				listGET_OWNER_OF_NEXT_ENTRY( pxNextTCB, pxList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 				vTaskGetInfo( ( TaskHandle_t ) pxNextTCB, &( pxTaskStatusArray[ uxTask ] ), pdTRUE, eState );
 				uxTask++;
 			} while( pxNextTCB != pxFirstTCB );
@@ -3648,7 +3732,7 @@ static void prvCheckTasksWaitingTermination( void )
 #endif /* configUSE_TRACE_FACILITY */
 /*-----------------------------------------------------------*/
 
-#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
+#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )
 
 	static configSTACK_DEPTH_TYPE prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte )
 	{
@@ -3665,7 +3749,47 @@ static void prvCheckTasksWaitingTermination( void )
 		return ( configSTACK_DEPTH_TYPE ) ulCount;
 	}
 
-#endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) ) */
+#endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) ) */
+/*-----------------------------------------------------------*/
+
+#if ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 )
+
+	/* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are the
+	same except for their return type.  Using configSTACK_DEPTH_TYPE allows the
+	user to determine the return type.  It gets around the problem of the value
+	overflowing on 8-bit types without breaking backward compatibility for
+	applications that expect an 8-bit return type. */
+	configSTACK_DEPTH_TYPE uxTaskGetStackHighWaterMark2( TaskHandle_t xTask )
+	{
+	TCB_t *pxTCB;
+	uint8_t *pucEndOfStack;
+	configSTACK_DEPTH_TYPE uxReturn;
+
+		/* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are
+		the same except for their return type.  Using configSTACK_DEPTH_TYPE
+		allows the user to determine the return type.  It gets around the
+		problem of the value overflowing on 8-bit types without breaking
+		backward compatibility for applications that expect an 8-bit return
+		type. */
+
+		pxTCB = prvGetTCBFromHandle( xTask );
+
+		#if portSTACK_GROWTH < 0
+		{
+			pucEndOfStack = ( uint8_t * ) pxTCB->pxStack;
+		}
+		#else
+		{
+			pucEndOfStack = ( uint8_t * ) pxTCB->pxEndOfStack;
+		}
+		#endif
+
+		uxReturn = prvTaskCheckFreeStackSpace( pucEndOfStack );
+
+		return uxReturn;
+	}
+
+#endif /* INCLUDE_uxTaskGetStackHighWaterMark2 */
 /*-----------------------------------------------------------*/
 
 #if ( INCLUDE_uxTaskGetStackHighWaterMark == 1 )
@@ -3720,7 +3844,7 @@ static void prvCheckTasksWaitingTermination( void )
 			vPortFree( pxTCB->pxStack );
 			vPortFree( pxTCB );
 		}
-		#elif( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 Macro has been consolidated for readability reasons. */
+		#elif( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 !e9029 Macro has been consolidated for readability reasons. */
 		{
 			/* The task could have been allocated statically or dynamically, so
 			check what was statically allocated before trying to free the
@@ -3770,7 +3894,7 @@ TCB_t *pxTCB;
 		the item at the head of the delayed list.  This is the time at
 		which the task at the head of the delayed list should be removed
 		from the Blocked state. */
-		( pxTCB ) = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList );
+		( pxTCB ) = listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 		xNextTaskUnblockTime = listGET_LIST_ITEM_VALUE( &( ( pxTCB )->xStateListItem ) );
 	}
 }
@@ -3825,7 +3949,7 @@ TCB_t *pxTCB;
 
 	BaseType_t xTaskPriorityInherit( TaskHandle_t const pxMutexHolder )
 	{
-	TCB_t * const pxMutexHolderTCB = ( TCB_t * ) pxMutexHolder;
+	TCB_t * const pxMutexHolderTCB = pxMutexHolder;
 	BaseType_t xReturn = pdFALSE;
 
 		/* If the mutex was given back by an interrupt while the queue was
@@ -3912,7 +4036,7 @@ TCB_t *pxTCB;
 
 	BaseType_t xTaskPriorityDisinherit( TaskHandle_t const pxMutexHolder )
 	{
-	TCB_t * const pxTCB = ( TCB_t * ) pxMutexHolder;
+	TCB_t * const pxTCB = pxMutexHolder;
 	BaseType_t xReturn = pdFALSE;
 
 		if( pxMutexHolder != NULL )
@@ -3992,7 +4116,7 @@ TCB_t *pxTCB;
 
 	void vTaskPriorityDisinheritAfterTimeout( TaskHandle_t const pxMutexHolder, UBaseType_t uxHighestPriorityWaitingTask )
 	{
-	TCB_t * const pxTCB = ( TCB_t * ) pxMutexHolder;
+	TCB_t * const pxTCB = pxMutexHolder;
 	UBaseType_t uxPriorityUsedOnEntry, uxPriorityToUse;
 	const UBaseType_t uxOnlyOneMutexHeld = ( UBaseType_t ) 1;
 
@@ -4170,7 +4294,7 @@ TCB_t *pxTCB;
 		}
 
 		/* Terminate. */
-		pcBuffer[ x ] = 0x00;
+		pcBuffer[ x ] = ( char ) 0x00;
 
 		/* Return the new end of string. */
 		return &( pcBuffer[ x ] );
@@ -4184,7 +4308,7 @@ TCB_t *pxTCB;
 	void vTaskList( char * pcWriteBuffer )
 	{
 	TaskStatus_t *pxTaskStatusArray;
-	volatile UBaseType_t uxArraySize, x;
+	UBaseType_t uxArraySize, x;
 	char cStatus;
 
 		/*
@@ -4213,7 +4337,7 @@ TCB_t *pxTCB;
 
 
 		/* Make sure the write buffer does not contain a string. */
-		*pcWriteBuffer = 0x00;
+		*pcWriteBuffer = ( char ) 0x00;
 
 		/* Take a snapshot of the number of tasks in case it changes while this
 		function is executing. */
@@ -4222,7 +4346,7 @@ TCB_t *pxTCB;
 		/* Allocate an array index for each task.  NOTE!  if
 		configSUPPORT_DYNAMIC_ALLOCATION is set to 0 then pvPortMalloc() will
 		equate to NULL. */
-		pxTaskStatusArray = pvPortMalloc( uxCurrentNumberOfTasks * sizeof( TaskStatus_t ) );
+		pxTaskStatusArray = pvPortMalloc( uxCurrentNumberOfTasks * sizeof( TaskStatus_t ) ); /*lint !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack and this allocation allocates a struct that has the alignment requirements of a pointer. */
 
 		if( pxTaskStatusArray != NULL )
 		{
@@ -4249,9 +4373,10 @@ TCB_t *pxTCB;
 					case eDeleted:		cStatus = tskDELETED_CHAR;
 										break;
 
+					case eInvalid:		/* Fall through. */
 					default:			/* Should not get here, but it is included
 										to prevent static checking errors. */
-										cStatus = 0x00;
+										cStatus = ( char ) 0x00;
 										break;
 				}
 
@@ -4260,8 +4385,8 @@ TCB_t *pxTCB;
 				pcWriteBuffer = prvWriteNameToBuffer( pcWriteBuffer, pxTaskStatusArray[ x ].pcTaskName );
 
 				/* Write the rest of the string. */
-				sprintf( pcWriteBuffer, "\t%c\t%u\t%u\t%u\r\n", cStatus, ( unsigned int ) pxTaskStatusArray[ x ].uxCurrentPriority, ( unsigned int ) pxTaskStatusArray[ x ].usStackHighWaterMark, ( unsigned int ) pxTaskStatusArray[ x ].xTaskNumber );
-				pcWriteBuffer += strlen( pcWriteBuffer );
+				sprintf( pcWriteBuffer, "\t%c\t%u\t%u\t%u\r\n", cStatus, ( unsigned int ) pxTaskStatusArray[ x ].uxCurrentPriority, ( unsigned int ) pxTaskStatusArray[ x ].usStackHighWaterMark, ( unsigned int ) pxTaskStatusArray[ x ].xTaskNumber ); /*lint !e586 sprintf() allowed as this is compiled with many compilers and this is a utility function only - not part of the core kernel implementation. */
+				pcWriteBuffer += strlen( pcWriteBuffer ); /*lint !e9016 Pointer arithmetic ok on char pointers especially as in this case where it best denotes the intent of the code. */
 			}
 
 			/* Free the array again.  NOTE!  If configSUPPORT_DYNAMIC_ALLOCATION
@@ -4282,7 +4407,7 @@ TCB_t *pxTCB;
 	void vTaskGetRunTimeStats( char *pcWriteBuffer )
 	{
 	TaskStatus_t *pxTaskStatusArray;
-	volatile UBaseType_t uxArraySize, x;
+	UBaseType_t uxArraySize, x;
 	uint32_t ulTotalTime, ulStatsAsPercentage;
 
 		#if( configUSE_TRACE_FACILITY != 1 )
@@ -4317,7 +4442,7 @@ TCB_t *pxTCB;
 		 */
 
 		/* Make sure the write buffer does not contain a string. */
-		*pcWriteBuffer = 0x00;
+		*pcWriteBuffer = ( char ) 0x00;
 
 		/* Take a snapshot of the number of tasks in case it changes while this
 		function is executing. */
@@ -4326,7 +4451,7 @@ TCB_t *pxTCB;
 		/* Allocate an array index for each task.  NOTE!  If
 		configSUPPORT_DYNAMIC_ALLOCATION is set to 0 then pvPortMalloc() will
 		equate to NULL. */
-		pxTaskStatusArray = pvPortMalloc( uxCurrentNumberOfTasks * sizeof( TaskStatus_t ) );
+		pxTaskStatusArray = pvPortMalloc( uxCurrentNumberOfTasks * sizeof( TaskStatus_t ) ); /*lint !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack and this allocation allocates a struct that has the alignment requirements of a pointer. */
 
 		if( pxTaskStatusArray != NULL )
 		{
@@ -4337,7 +4462,7 @@ TCB_t *pxTCB;
 			ulTotalTime /= 100UL;
 
 			/* Avoid divide by zero errors. */
-			if( ulTotalTime > 0 )
+			if( ulTotalTime > 0UL )
 			{
 				/* Create a human readable table from the binary data. */
 				for( x = 0; x < uxArraySize; x++ )
@@ -4362,7 +4487,7 @@ TCB_t *pxTCB;
 						{
 							/* sizeof( int ) == sizeof( long ) so a smaller
 							printf() library can be used. */
-							sprintf( pcWriteBuffer, "\t%u\t\t%u%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter, ( unsigned int ) ulStatsAsPercentage );
+							sprintf( pcWriteBuffer, "\t%u\t\t%u%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter, ( unsigned int ) ulStatsAsPercentage ); /*lint !e586 sprintf() allowed as this is compiled with many compilers and this is a utility function only - not part of the core kernel implementation. */
 						}
 						#endif
 					}
@@ -4378,12 +4503,12 @@ TCB_t *pxTCB;
 						{
 							/* sizeof( int ) == sizeof( long ) so a smaller
 							printf() library can be used. */
-							sprintf( pcWriteBuffer, "\t%u\t\t<1%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter );
+							sprintf( pcWriteBuffer, "\t%u\t\t<1%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter ); /*lint !e586 sprintf() allowed as this is compiled with many compilers and this is a utility function only - not part of the core kernel implementation. */
 						}
 						#endif
 					}
 
-					pcWriteBuffer += strlen( pcWriteBuffer );
+					pcWriteBuffer += strlen( pcWriteBuffer ); /*lint !e9016 Pointer arithmetic ok on char pointers especially as in this case where it best denotes the intent of the code. */
 				}
 			}
 			else
@@ -4420,7 +4545,7 @@ TickType_t uxReturn;
 
 #if ( configUSE_MUTEXES == 1 )
 
-	void *pvTaskIncrementMutexHeldCount( void )
+	TaskHandle_t pvTaskIncrementMutexHeldCount( void )
 	{
 		/* If xSemaphoreCreateMutex() is called before any tasks have been created
 		then pxCurrentTCB will be NULL. */
@@ -4592,7 +4717,7 @@ TickType_t uxReturn;
 	uint8_t ucOriginalNotifyState;
 
 		configASSERT( xTaskToNotify );
-		pxTCB = ( TCB_t * ) xTaskToNotify;
+		pxTCB = xTaskToNotify;
 
 		taskENTER_CRITICAL();
 		{
@@ -4635,6 +4760,14 @@ TickType_t uxReturn;
 					/* The task is being notified without its notify value being
 					updated. */
 					break;
+
+				default:
+					/* Should not get here if all enums are handled.
+					Artificially force an assert by testing a value the
+					compiler can't assume is const. */
+					configASSERT( pxTCB->ulNotifiedValue == ~0UL );
+
+					break;
 			}
 
 			traceTASK_NOTIFY();
@@ -4718,7 +4851,7 @@ TickType_t uxReturn;
 		http://www.freertos.org/RTOS-Cortex-M3-M4.html */
 		portASSERT_IF_INTERRUPT_PRIORITY_INVALID();
 
-		pxTCB = ( TCB_t * ) xTaskToNotify;
+		pxTCB = xTaskToNotify;
 
 		uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();
 		{
@@ -4760,6 +4893,13 @@ TickType_t uxReturn;
 					/* The task is being notified without its notify value being
 					updated. */
 					break;
+
+				default:
+					/* Should not get here if all enums are handled.
+					Artificially force an assert by testing a value the
+					compiler can't assume is const. */
+					configASSERT( pxTCB->ulNotifiedValue == ~0UL );
+					break;
 			}
 
 			traceTASK_NOTIFY_FROM_ISR();
@@ -4839,7 +4979,7 @@ TickType_t uxReturn;
 		http://www.freertos.org/RTOS-Cortex-M3-M4.html */
 		portASSERT_IF_INTERRUPT_PRIORITY_INVALID();
 
-		pxTCB = ( TCB_t * ) xTaskToNotify;
+		pxTCB = xTaskToNotify;
 
 		uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();
 		{
@@ -4929,6 +5069,13 @@ TickType_t uxReturn;
 #endif /* configUSE_TASK_NOTIFICATIONS */
 /*-----------------------------------------------------------*/
 
+#if( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( INCLUDE_xTaskGetIdleTaskHandle == 1 ) )
+	TickType_t xTaskGetIdleRunTimeCounter( void )
+	{
+		return xIdleTaskHandle->ulRunTimeCounter;
+	}
+#endif
+/*-----------------------------------------------------------*/
 
 static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait, const BaseType_t xCanBlockIndefinitely )
 {
@@ -4950,7 +5097,7 @@ const TickType_t xConstTickCount = xTickCount;
 	{
 		/* The current task must be in a ready list, so there is no need to
 		check, and the port reset macro can be called directly. */
-		portRESET_READY_PRIORITY( pxCurrentTCB->uxPriority, uxTopReadyPriority );
+		portRESET_READY_PRIORITY( pxCurrentTCB->uxPriority, uxTopReadyPriority ); /*lint !e931 pxCurrentTCB cannot change as it is the calling task.  pxCurrentTCB->uxPriority and uxTopReadyPriority cannot change as called with scheduler suspended or in a critical section. */
 	}
 	else
 	{
@@ -5054,11 +5201,13 @@ when performing module tests). */
 
 	#include "freertos_tasks_c_additions.h"
 
-	static void freertos_tasks_c_additions_init( void )
-	{
-		#ifdef FREERTOS_TASKS_C_ADDITIONS_INIT
+	#ifdef FREERTOS_TASKS_C_ADDITIONS_INIT
+		static void freertos_tasks_c_additions_init( void )
+		{
 			FREERTOS_TASKS_C_ADDITIONS_INIT();
-		#endif
-	}
+		}
+	#endif
 
 #endif
+
+
diff --git a/FreeRTOS/Source/timers.c b/FreeRTOS/Source/timers.c
index 29d8cb9..b97e70d 100644
--- a/FreeRTOS/Source/timers.c
+++ b/FreeRTOS/Source/timers.c
@@ -1,6 +1,6 @@
 /*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * FreeRTOS Kernel V10.2.0
+ * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -42,11 +42,11 @@ task.h is included from an application file. */
 	#error configUSE_TIMERS must be set to 1 to make the xTimerPendFunctionCall() function available.
 #endif
 
-/* Lint e961 and e750 are suppressed as a MISRA exception justified because the
-MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined for the
-header files above, but not in this file, in order to generate the correct
-privileged Vs unprivileged linkage and placement. */
-#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */
+/* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified
+because the MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined
+for the header files above, but not in this file, in order to generate the
+correct privileged Vs unprivileged linkage and placement. */
+#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e9021 !e961 !e750. */
 
 
 /* This entire source file will be skipped if the application is not configured
@@ -64,22 +64,23 @@ defining trmTIMER_SERVICE_TASK_NAME in FreeRTOSConfig.h. */
 	#define configTIMER_SERVICE_TASK_NAME "Tmr Svc"
 #endif
 
+/* Bit definitions used in the ucStatus member of a timer structure. */
+#define tmrSTATUS_IS_ACTIVE					( ( uint8_t ) 0x01 )
+#define tmrSTATUS_IS_STATICALLY_ALLOCATED	( ( uint8_t ) 0x02 )
+#define tmrSTATUS_IS_AUTORELOAD				( ( uint8_t ) 0x04 )
+
 /* The definition of the timers themselves. */
-typedef struct tmrTimerControl
+typedef struct tmrTimerControl /* The old naming convention is used to prevent breaking kernel aware debuggers. */
 {
 	const char				*pcTimerName;		/*<< Text name.  This is not used by the kernel, it is included simply to make debugging easier. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 	ListItem_t				xTimerListItem;		/*<< Standard linked list item as used by all kernel features for event management. */
 	TickType_t				xTimerPeriodInTicks;/*<< How quickly and often the timer expires. */
-	UBaseType_t				uxAutoReload;		/*<< Set to pdTRUE if the timer should be automatically restarted once expired.  Set to pdFALSE if the timer is, in effect, a one-shot timer. */
 	void 					*pvTimerID;			/*<< An ID to identify the timer.  This allows the timer to be identified when the same callback is used for multiple timers. */
 	TimerCallbackFunction_t	pxCallbackFunction;	/*<< The function that will be called when the timer expires. */
 	#if( configUSE_TRACE_FACILITY == 1 )
 		UBaseType_t			uxTimerNumber;		/*<< An ID assigned by trace tools such as FreeRTOS+Trace */
 	#endif
-
-	#if( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) )
-		uint8_t 			ucStaticallyAllocated; /*<< Set to pdTRUE if the timer was created statically so no attempt is made to free the memory again if the timer is later deleted. */
-	#endif
+	uint8_t 				ucStatus;			/*<< Holds bits to say if the timer was statically allocated or not, and if it is active or not. */
 } xTIMER;
 
 /* The old xTIMER name is maintained above then typedefed to the new Timer_t
@@ -127,7 +128,10 @@ which static variables must be declared volatile. */
 
 /* The list in which active timers are stored.  Timers are referenced in expire
 time order, with the nearest expiry time at the front of the list.  Only the
-timer service task is allowed to access these lists. */
+timer service task is allowed to access these lists.
+xActiveTimerList1 and xActiveTimerList2 could be at function scope but that
+breaks some kernel aware debuggers, and debuggers that reply on removing the
+static qualifier. */
 PRIVILEGED_DATA static List_t xActiveTimerList1;
 PRIVILEGED_DATA static List_t xActiveTimerList2;
 PRIVILEGED_DATA static List_t *pxCurrentTimerList;
@@ -162,7 +166,7 @@ static void prvCheckForValidListAndQueue( void ) PRIVILEGED_FUNCTION;
  * task.  Other tasks communicate with the timer service task using the
  * xTimerQueue queue.
  */
-static void prvTimerTask( void *pvParameters ) PRIVILEGED_FUNCTION;
+static portTASK_FUNCTION_PROTO( prvTimerTask, pvParameters ) PRIVILEGED_FUNCTION;
 
 /*
  * Called by the timer service task to interpret and process a command it
@@ -283,26 +287,21 @@ BaseType_t xReturn = pdFAIL;
 	{
 	Timer_t *pxNewTimer;
 
-		pxNewTimer = ( Timer_t * ) pvPortMalloc( sizeof( Timer_t ) );
+		pxNewTimer = ( Timer_t * ) pvPortMalloc( sizeof( Timer_t ) ); /*lint !e9087 !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack, and the first member of Timer_t is always a pointer to the timer's mame. */
 
 		if( pxNewTimer != NULL )
 		{
+			/* Status is thus far zero as the timer is not created statically
+			and has not been started.  The autoreload bit may get set in
+			prvInitialiseNewTimer. */
+			pxNewTimer->ucStatus = 0x00;
 			prvInitialiseNewTimer( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxNewTimer );
-
-			#if( configSUPPORT_STATIC_ALLOCATION == 1 )
-			{
-				/* Timers can be created statically or dynamically, so note this
-				timer was created dynamically in case the timer is later
-				deleted. */
-				pxNewTimer->ucStaticallyAllocated = pdFALSE;
-			}
-			#endif /* configSUPPORT_STATIC_ALLOCATION */
 		}
 
 		return pxNewTimer;
 	}
 
-#endif /* configSUPPORT_STATIC_ALLOCATION */
+#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
 /*-----------------------------------------------------------*/
 
 #if( configSUPPORT_STATIC_ALLOCATION == 1 )
@@ -323,24 +322,22 @@ BaseType_t xReturn = pdFAIL;
 			structure. */
 			volatile size_t xSize = sizeof( StaticTimer_t );
 			configASSERT( xSize == sizeof( Timer_t ) );
+			( void ) xSize; /* Keeps lint quiet when configASSERT() is not defined. */
 		}
 		#endif /* configASSERT_DEFINED */
 
 		/* A pointer to a StaticTimer_t structure MUST be provided, use it. */
 		configASSERT( pxTimerBuffer );
-		pxNewTimer = ( Timer_t * ) pxTimerBuffer; /*lint !e740 Unusual cast is ok as the structures are designed to have the same alignment, and the size is checked by an assert. */
+		pxNewTimer = ( Timer_t * ) pxTimerBuffer; /*lint !e740 !e9087 StaticTimer_t is a pointer to a Timer_t, so guaranteed to be aligned and sized correctly (checked by an assert()), so this is safe. */
 
 		if( pxNewTimer != NULL )
 		{
-			prvInitialiseNewTimer( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxNewTimer );
+			/* Timers can be created statically or dynamically so note this
+			timer was created statically in case it is later deleted.  The
+			autoreload bit may get set in prvInitialiseNewTimer(). */
+			pxNewTimer->ucStatus = tmrSTATUS_IS_STATICALLY_ALLOCATED;
 
-			#if( configSUPPORT_DYNAMIC_ALLOCATION == 1 )
-			{
-				/* Timers can be created statically or dynamically so note this
-				timer was created statically in case it is later deleted. */
-				pxNewTimer->ucStaticallyAllocated = pdTRUE;
-			}
-			#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
+			prvInitialiseNewTimer( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxNewTimer );
 		}
 
 		return pxNewTimer;
@@ -369,10 +366,13 @@ static void prvInitialiseNewTimer(	const char * const pcTimerName,			/*lint !e97
 		parameters. */
 		pxNewTimer->pcTimerName = pcTimerName;
 		pxNewTimer->xTimerPeriodInTicks = xTimerPeriodInTicks;
-		pxNewTimer->uxAutoReload = uxAutoReload;
 		pxNewTimer->pvTimerID = pvTimerID;
 		pxNewTimer->pxCallbackFunction = pxCallbackFunction;
 		vListInitialiseItem( &( pxNewTimer->xTimerListItem ) );
+		if( uxAutoReload != pdFALSE )
+		{
+			pxNewTimer->ucStatus |= tmrSTATUS_IS_AUTORELOAD;
+		}
 		traceTIMER_CREATE( pxNewTimer );
 	}
 }
@@ -392,7 +392,7 @@ DaemonTaskMessage_t xMessage;
 		/* Send a command to the timer service task to start the xTimer timer. */
 		xMessage.xMessageID = xCommandID;
 		xMessage.u.xTimerParameters.xMessageValue = xOptionalValue;
-		xMessage.u.xTimerParameters.pxTimer = ( Timer_t * ) xTimer;
+		xMessage.u.xTimerParameters.pxTimer = xTimer;
 
 		if( xCommandID < tmrFIRST_FROM_ISR_COMMAND )
 		{
@@ -432,16 +432,36 @@ TaskHandle_t xTimerGetTimerDaemonTaskHandle( void )
 
 TickType_t xTimerGetPeriod( TimerHandle_t xTimer )
 {
-Timer_t *pxTimer = ( Timer_t * ) xTimer;
+Timer_t *pxTimer = xTimer;
 
 	configASSERT( xTimer );
 	return pxTimer->xTimerPeriodInTicks;
 }
 /*-----------------------------------------------------------*/
 
+void vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload )
+{
+Timer_t * pxTimer =  xTimer;
+
+	configASSERT( xTimer );
+	taskENTER_CRITICAL();
+	{
+		if( uxAutoReload != pdFALSE )
+		{
+			pxTimer->ucStatus |= tmrSTATUS_IS_AUTORELOAD;
+		}
+		else
+		{
+			pxTimer->ucStatus &= ~tmrSTATUS_IS_AUTORELOAD;
+		}
+	}
+	taskEXIT_CRITICAL();
+}
+/*-----------------------------------------------------------*/
+
 TickType_t xTimerGetExpiryTime( TimerHandle_t xTimer )
 {
-Timer_t * pxTimer = ( Timer_t * ) xTimer;
+Timer_t * pxTimer =  xTimer;
 TickType_t xReturn;
 
 	configASSERT( xTimer );
@@ -452,7 +472,7 @@ TickType_t xReturn;
 
 const char * pcTimerGetName( TimerHandle_t xTimer ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 {
-Timer_t *pxTimer = ( Timer_t * ) xTimer;
+Timer_t *pxTimer = xTimer;
 
 	configASSERT( xTimer );
 	return pxTimer->pcTimerName;
@@ -462,7 +482,7 @@ Timer_t *pxTimer = ( Timer_t * ) xTimer;
 static void prvProcessExpiredTimer( const TickType_t xNextExpireTime, const TickType_t xTimeNow )
 {
 BaseType_t xResult;
-Timer_t * const pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList );
+Timer_t * const pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList ); /*lint !e9087 !e9079 void * is used as this macro is used with tasks and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 
 	/* Remove the timer from the list of active timers.  A check has already
 	been performed to ensure the list is not empty. */
@@ -471,7 +491,7 @@ Timer_t * const pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTi
 
 	/* If the timer is an auto reload timer then calculate the next
 	expiry time and re-insert the timer in the list of active timers. */
-	if( pxTimer->uxAutoReload == ( UBaseType_t ) pdTRUE )
+	if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 )
 	{
 		/* The timer is inserted into a list using a time relative to anything
 		other than the current time.  It will therefore be inserted into the
@@ -491,6 +511,7 @@ Timer_t * const pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTi
 	}
 	else
 	{
+		pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE;
 		mtCOVERAGE_TEST_MARKER();
 	}
 
@@ -499,7 +520,7 @@ Timer_t * const pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTi
 }
 /*-----------------------------------------------------------*/
 
-static void prvTimerTask( void *pvParameters )
+static portTASK_FUNCTION( prvTimerTask, pvParameters )
 {
 TickType_t xNextExpireTime;
 BaseType_t xListWasEmpty;
@@ -747,11 +768,12 @@ TickType_t xTimeNow;
 			switch( xMessage.xMessageID )
 			{
 				case tmrCOMMAND_START :
-			    case tmrCOMMAND_START_FROM_ISR :
-			    case tmrCOMMAND_RESET :
-			    case tmrCOMMAND_RESET_FROM_ISR :
+				case tmrCOMMAND_START_FROM_ISR :
+				case tmrCOMMAND_RESET :
+				case tmrCOMMAND_RESET_FROM_ISR :
 				case tmrCOMMAND_START_DONT_TRACE :
 					/* Start or restart a timer. */
+					pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE;
 					if( prvInsertTimerInActiveList( pxTimer,  xMessage.u.xTimerParameters.xMessageValue + pxTimer->xTimerPeriodInTicks, xTimeNow, xMessage.u.xTimerParameters.xMessageValue ) != pdFALSE )
 					{
 						/* The timer expired before it was added to the active
@@ -759,7 +781,7 @@ TickType_t xTimeNow;
 						pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer );
 						traceTIMER_EXPIRED( pxTimer );
 
-						if( pxTimer->uxAutoReload == ( UBaseType_t ) pdTRUE )
+						if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 )
 						{
 							xResult = xTimerGenericCommand( pxTimer, tmrCOMMAND_START_DONT_TRACE, xMessage.u.xTimerParameters.xMessageValue + pxTimer->xTimerPeriodInTicks, NULL, tmrNO_DELAY );
 							configASSERT( xResult );
@@ -778,12 +800,13 @@ TickType_t xTimeNow;
 
 				case tmrCOMMAND_STOP :
 				case tmrCOMMAND_STOP_FROM_ISR :
-					/* The timer has already been removed from the active list.
-					There is nothing to do here. */
+					/* The timer has already been removed from the active list. */
+					pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE;
 					break;
 
 				case tmrCOMMAND_CHANGE_PERIOD :
 				case tmrCOMMAND_CHANGE_PERIOD_FROM_ISR :
+					pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE;
 					pxTimer->xTimerPeriodInTicks = xMessage.u.xTimerParameters.xMessageValue;
 					configASSERT( ( pxTimer->xTimerPeriodInTicks > 0 ) );
 
@@ -797,29 +820,28 @@ TickType_t xTimeNow;
 					break;
 
 				case tmrCOMMAND_DELETE :
-					/* The timer has already been removed from the active list,
-					just free up the memory if the memory was dynamically
-					allocated. */
-					#if( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 0 ) )
+					#if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 )
 					{
-						/* The timer can only have been allocated dynamically -
-						free it again. */
-						vPortFree( pxTimer );
-					}
-					#elif( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) )
-					{
-						/* The timer could have been allocated statically or
-						dynamically, so check before attempting to free the
-						memory. */
-						if( pxTimer->ucStaticallyAllocated == ( uint8_t ) pdFALSE )
+						/* The timer has already been removed from the active list,
+						just free up the memory if the memory was dynamically
+						allocated. */
+						if( ( pxTimer->ucStatus & tmrSTATUS_IS_STATICALLY_ALLOCATED ) == ( uint8_t ) 0 )
 						{
 							vPortFree( pxTimer );
 						}
 						else
 						{
-							mtCOVERAGE_TEST_MARKER();
+							pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE;
 						}
 					}
+					#else
+					{
+						/* If dynamic allocation is not enabled, the memory
+						could not have been dynamically allocated. So there is
+						no need to free the memory - just mark the timer as
+						"not active". */
+						pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE;
+					}
 					#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
 					break;
 
@@ -848,7 +870,7 @@ BaseType_t xResult;
 		xNextExpireTime = listGET_ITEM_VALUE_OF_HEAD_ENTRY( pxCurrentTimerList );
 
 		/* Remove the timer from the list. */
-		pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList );
+		pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList ); /*lint !e9087 !e9079 void * is used as this macro is used with tasks and co-routines too.  Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
 		( void ) uxListRemove( &( pxTimer->xTimerListItem ) );
 		traceTIMER_EXPIRED( pxTimer );
 
@@ -857,7 +879,7 @@ BaseType_t xResult;
 		have not yet been switched. */
 		pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer );
 
-		if( pxTimer->uxAutoReload == ( UBaseType_t ) pdTRUE )
+		if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 )
 		{
 			/* Calculate the reload value, and if the reload value results in
 			the timer going into the same timer list then it has already expired
@@ -944,28 +966,32 @@ static void prvCheckForValidListAndQueue( void )
 
 BaseType_t xTimerIsTimerActive( TimerHandle_t xTimer )
 {
-BaseType_t xTimerIsInActiveList;
-Timer_t *pxTimer = ( Timer_t * ) xTimer;
+BaseType_t xReturn;
+Timer_t *pxTimer = xTimer;
 
 	configASSERT( xTimer );
 
 	/* Is the timer in the list of active timers? */
 	taskENTER_CRITICAL();
 	{
-		/* Checking to see if it is in the NULL list in effect checks to see if
-		it is referenced from either the current or the overflow timer lists in
-		one go, but the logic has to be reversed, hence the '!'. */
-		xTimerIsInActiveList = ( BaseType_t ) !( listIS_CONTAINED_WITHIN( NULL, &( pxTimer->xTimerListItem ) ) ); /*lint !e961. Cast is only redundant when NULL is passed into the macro. */
+		if( ( pxTimer->ucStatus & tmrSTATUS_IS_ACTIVE ) == 0 )
+		{
+			xReturn = pdFALSE;
+		}
+		else
+		{
+			xReturn = pdTRUE;
+		}
 	}
 	taskEXIT_CRITICAL();
 
-	return xTimerIsInActiveList;
+	return xReturn;
 } /*lint !e818 Can't be pointer to const due to the typedef. */
 /*-----------------------------------------------------------*/
 
 void *pvTimerGetTimerID( const TimerHandle_t xTimer )
 {
-Timer_t * const pxTimer = ( Timer_t * ) xTimer;
+Timer_t * const pxTimer = xTimer;
 void *pvReturn;
 
 	configASSERT( xTimer );
@@ -982,7 +1008,7 @@ void *pvReturn;
 
 void vTimerSetTimerID( TimerHandle_t xTimer, void *pvNewID )
 {
-Timer_t * const pxTimer = ( Timer_t * ) xTimer;
+Timer_t * const pxTimer = xTimer;
 
 	configASSERT( xTimer );