207 lines
8.3 KiB
C
207 lines
8.3 KiB
C
/*
|
|
FreeRTOS V9.0.1 - Copyright (C) 2017 Real Time Engineers Ltd.
|
|
All rights reserved
|
|
|
|
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
|
|
|
This file is part of the FreeRTOS distribution.
|
|
|
|
FreeRTOS is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License (version 2) as published by the
|
|
Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
|
|
|
|
***************************************************************************
|
|
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
|
>>! distribute a combined work that includes FreeRTOS without being !<<
|
|
>>! obliged to provide the source code for proprietary components !<<
|
|
>>! outside of the FreeRTOS kernel. !<<
|
|
***************************************************************************
|
|
|
|
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
|
link: http://www.freertos.org/a00114.html
|
|
|
|
***************************************************************************
|
|
* *
|
|
* FreeRTOS provides completely free yet professionally developed, *
|
|
* robust, strictly quality controlled, supported, and cross *
|
|
* platform software that is more than just the market leader, it *
|
|
* is the industry's de facto standard. *
|
|
* *
|
|
* Help yourself get started quickly while simultaneously helping *
|
|
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
|
* tutorial book, reference manual, or both: *
|
|
* http://www.FreeRTOS.org/Documentation *
|
|
* *
|
|
***************************************************************************
|
|
|
|
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
|
the FAQ page "My application does not run, what could be wrong?". Have you
|
|
defined configASSERT()?
|
|
|
|
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
|
embedded software for free we request you assist our global community by
|
|
participating in the support forum.
|
|
|
|
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
|
be as productive as possible as early as possible. Now you can receive
|
|
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
|
Ltd, and the world's leading authority on the world's leading RTOS.
|
|
|
|
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
|
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
|
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
|
|
|
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
|
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
|
|
|
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
|
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
|
licenses offer ticketed support, indemnification and commercial middleware.
|
|
|
|
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
|
engineered and independently SIL3 certified version for use in safety and
|
|
mission critical applications that require provable dependability.
|
|
|
|
1 tab == 4 spaces!
|
|
*/
|
|
|
|
/*-----------------------------------------------------------
|
|
* Portable layer API. Each function must be defined for each port.
|
|
*----------------------------------------------------------*/
|
|
|
|
#ifndef PORTABLE_H
|
|
#define PORTABLE_H
|
|
|
|
/* Each FreeRTOS port has a unique portmacro.h header file. Originally a
|
|
pre-processor definition was used to ensure the pre-processor found the correct
|
|
portmacro.h file for the port being used. That scheme was deprecated in favour
|
|
of setting the compiler's include path such that it found the correct
|
|
portmacro.h file - removing the need for the constant and allowing the
|
|
portmacro.h file to be located anywhere in relation to the port being used.
|
|
Purely for reasons of backward compatibility the old method is still valid, but
|
|
to make it clear that new projects should not use it, support for the port
|
|
specific constants has been moved into the deprecated_definitions.h header
|
|
file. */
|
|
#include "deprecated_definitions.h"
|
|
|
|
/* If portENTER_CRITICAL is not defined then including deprecated_definitions.h
|
|
did not result in a portmacro.h header file being included - and it should be
|
|
included here. In this case the path to the correct portmacro.h header file
|
|
must be set in the compiler's include path. */
|
|
#ifndef portENTER_CRITICAL
|
|
#include "portmacro.h"
|
|
#endif
|
|
|
|
#if portBYTE_ALIGNMENT == 32
|
|
#define portBYTE_ALIGNMENT_MASK ( 0x001f )
|
|
#endif
|
|
|
|
#if portBYTE_ALIGNMENT == 16
|
|
#define portBYTE_ALIGNMENT_MASK ( 0x000f )
|
|
#endif
|
|
|
|
#if portBYTE_ALIGNMENT == 8
|
|
#define portBYTE_ALIGNMENT_MASK ( 0x0007 )
|
|
#endif
|
|
|
|
#if portBYTE_ALIGNMENT == 4
|
|
#define portBYTE_ALIGNMENT_MASK ( 0x0003 )
|
|
#endif
|
|
|
|
#if portBYTE_ALIGNMENT == 2
|
|
#define portBYTE_ALIGNMENT_MASK ( 0x0001 )
|
|
#endif
|
|
|
|
#if portBYTE_ALIGNMENT == 1
|
|
#define portBYTE_ALIGNMENT_MASK ( 0x0000 )
|
|
#endif
|
|
|
|
#ifndef portBYTE_ALIGNMENT_MASK
|
|
#error "Invalid portBYTE_ALIGNMENT definition"
|
|
#endif
|
|
|
|
#ifndef portNUM_CONFIGURABLE_REGIONS
|
|
#define portNUM_CONFIGURABLE_REGIONS 1
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "mpu_wrappers.h"
|
|
|
|
/*
|
|
* Setup the stack of a new task so it is ready to be placed under the
|
|
* scheduler control. The registers have to be placed on the stack in
|
|
* the order that the port expects to find them.
|
|
*
|
|
*/
|
|
#if( portUSING_MPU_WRAPPERS == 1 )
|
|
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) PRIVILEGED_FUNCTION;
|
|
#else
|
|
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION;
|
|
#endif
|
|
|
|
/* Used by heap_5.c. */
|
|
typedef struct HeapRegion
|
|
{
|
|
uint8_t *pucStartAddress;
|
|
size_t xSizeInBytes;
|
|
} HeapRegion_t;
|
|
|
|
/*
|
|
* Used to define multiple heap regions for use by heap_5.c. This function
|
|
* must be called before any calls to pvPortMalloc() - not creating a task,
|
|
* queue, semaphore, mutex, software timer, event group, etc. will result in
|
|
* pvPortMalloc being called.
|
|
*
|
|
* pxHeapRegions passes in an array of HeapRegion_t structures - each of which
|
|
* defines a region of memory that can be used as the heap. The array is
|
|
* terminated by a HeapRegions_t structure that has a size of 0. The region
|
|
* with the lowest start address must appear first in the array.
|
|
*/
|
|
void vPortDefineHeapRegions( const HeapRegion_t * const pxHeapRegions ) PRIVILEGED_FUNCTION;
|
|
|
|
|
|
/*
|
|
* Map to the memory management routines required for the port.
|
|
*/
|
|
void *pvPortMalloc( size_t xSize ) PRIVILEGED_FUNCTION;
|
|
void vPortFree( void *pv ) PRIVILEGED_FUNCTION;
|
|
void vPortInitialiseBlocks( void ) PRIVILEGED_FUNCTION;
|
|
size_t xPortGetFreeHeapSize( void ) PRIVILEGED_FUNCTION;
|
|
size_t xPortGetMinimumEverFreeHeapSize( void ) PRIVILEGED_FUNCTION;
|
|
|
|
/*
|
|
* Setup the hardware ready for the scheduler to take control. This generally
|
|
* sets up a tick interrupt and sets timers for the correct tick frequency.
|
|
*/
|
|
BaseType_t xPortStartScheduler( void ) PRIVILEGED_FUNCTION;
|
|
|
|
/*
|
|
* Undo any hardware/ISR setup that was performed by xPortStartScheduler() so
|
|
* the hardware is left in its original condition after the scheduler stops
|
|
* executing.
|
|
*/
|
|
void vPortEndScheduler( void ) PRIVILEGED_FUNCTION;
|
|
|
|
/*
|
|
* The structures and methods of manipulating the MPU are contained within the
|
|
* port layer.
|
|
*
|
|
* Fills the xMPUSettings structure with the memory region information
|
|
* contained in xRegions.
|
|
*/
|
|
#if( portUSING_MPU_WRAPPERS == 1 )
|
|
struct xMEMORY_REGION;
|
|
void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION * const xRegions, StackType_t *pxBottomOfStack, uint32_t ulStackDepth ) PRIVILEGED_FUNCTION;
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* PORTABLE_H */
|
|
|