165 lines
5.4 KiB
C
165 lines
5.4 KiB
C
/*
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* FreeRTOS Kernel V10.2.0
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software. If you wish to use our Amazon
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* FreeRTOS name, please do so in a fair use way that does not cause confusion.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "esp8266.h"
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#include "espressif/esp8266/ets_sys.h"
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#include <stdint.h>
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#include "xtensa_rtos.h"
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#include <esp/interrupts.h>
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/*-----------------------------------------------------------
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* Port specific definitions for ESP8266
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*
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* The settings in this file configure FreeRTOS correctly for the
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* given hardware and compiler.
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*
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint32_t
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#define portBASE_TYPE long
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typedef portSTACK_TYPE StackType_t;
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typedef portBASE_TYPE BaseType_t;
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typedef unsigned portBASE_TYPE UBaseType_t;
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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/* Architecture specifics. */
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#define portARCH_NAME "ESP8266"
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 8
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/*-----------------------------------------------------------*/
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enum SVC_ReqType {
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SVC_Software = 1,
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SVC_MACLayer = 2,
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};
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/* Scheduler utilities. */
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void PendSV(enum SVC_ReqType);
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#define portYIELD() PendSV(SVC_Software)
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/* Task utilities. */
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#define portEND_SWITCHING_ISR( xSwitchRequired ) \
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{ \
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extern void vTaskSwitchContext( void ); \
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\
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if( xSwitchRequired ) \
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{ \
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vTaskSwitchContext(); \
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} \
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}
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/*-----------------------------------------------------------*/
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/* NMIIrqIsOn flag is defined in libpp.a, and appears to be set when an NMI
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(int level 3) is currently runnning (during which time libpp.a might
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call back into parts of the OS?)
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The esp_iot_rtos_sdk disables all interrupt manipulations while this
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flag is set.
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It's also referenced from some other blob libraries (not known if
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read or written there).
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ESPTODO: It may be possible to just read the 'ps' register instead
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of accessing thisvariable.
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*/
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extern uint8_t sdk_NMIIrqIsOn;
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extern char level1_int_disabled;
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extern unsigned cpu_sr;
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/* Disable interrupts, store old ps level in global variable cpu_sr.
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Note: cpu_sr is also referenced by the binary SDK.
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Where possible (and when writing non-FreeRTOS specific code),
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prefer to _xt_disable_interrupts & _xt_enable_interrupts and store
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the ps value in a local variable - that approach is recursive-safe
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and generally better.
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The NMI must not touch the interrupt mask and it should not in
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regular operation, but there is a guard here just in case.
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*/
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inline static __attribute__((always_inline)) void portDISABLE_INTERRUPTS(void)
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{
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if(!sdk_NMIIrqIsOn && !level1_int_disabled) {
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cpu_sr = _xt_disable_interrupts();
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level1_int_disabled = 1;
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}
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}
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inline static __attribute__((always_inline)) void portENABLE_INTERRUPTS(void)
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{
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if(!sdk_NMIIrqIsOn && level1_int_disabled) {
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level1_int_disabled = 0;
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_xt_restore_interrupts(cpu_sr);
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}
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}
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/* Critical section management. */
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void vPortEnterCritical( void );
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void vPortExitCritical( void );
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#define portENTER_CRITICAL() vPortEnterCritical()
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#define portEXIT_CRITICAL() vPortExitCritical()
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/* Task function macros as described on the FreeRTOS.org WEB site. These are
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not necessary for to use this port. They are defined so the common demo files
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(which build with all the ports) will build. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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/* FreeRTOS API functions should not be called from the NMI handler. */
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#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT(sdk_NMIIrqIsOn == 0)
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/*-----------------------------------------------------------*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* PORTMACRO_H */
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