/* | |
* FreeRTOS Kernel V10.3.1 | |
* Copyright (C) 2020 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 | |
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | |
* 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. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | |
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | |
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
* | |
* http://www.FreeRTOS.org | |
* http://aws.amazon.com/freertos | |
* | |
* 1 tab == 4 spaces! | |
*/ | |
#ifndef PORTMACRO_H | |
#define PORTMACRO_H | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/*----------------------------------------------------------- | |
* Port specific definitions. | |
* | |
* The settings in this file configure FreeRTOS correctly for the | |
* given hardware and compiler. | |
* | |
* These settings should not be altered. | |
*----------------------------------------------------------- | |
*/ | |
/* Type definitions. */ | |
#define portCHAR char | |
#define portFLOAT float | |
#define portDOUBLE double | |
#define portLONG long | |
#define portSHORT short | |
#define portSTACK_TYPE unsigned int | |
#define portBASE_TYPE int | |
typedef portSTACK_TYPE StackType_t; | |
typedef long BaseType_t; | |
typedef unsigned long UBaseType_t; | |
#if (configUSE_16_BIT_TICKS==1) | |
typedef uint16_t TickType_t; | |
#define portMAX_DELAY ( TickType_t ) 0xffff | |
#else | |
typedef uint32_t TickType_t; | |
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL | |
#endif | |
/*-----------------------------------------------------------*/ | |
/* Interrupt control macros. */ | |
#define portDISABLE_INTERRUPTS() __asm ( "DI" ) | |
#define portENABLE_INTERRUPTS() __asm ( "EI" ) | |
/*-----------------------------------------------------------*/ | |
/* Critical section control macros. */ | |
#define portNO_CRITICAL_SECTION_NESTING ( ( UBaseType_t ) 0 ) | |
#define portENTER_CRITICAL() \ | |
{ \ | |
extern volatile /*uint16_t*/ portSTACK_TYPE usCriticalNesting; \ | |
\ | |
portDISABLE_INTERRUPTS(); \ | |
\ | |
/* Now interrupts are disabled ulCriticalNesting can be accessed */ \ | |
/* directly. Increment ulCriticalNesting to keep a count of how many */ \ | |
/* times portENTER_CRITICAL() has been called. */ \ | |
usCriticalNesting++; \ | |
} | |
#define portEXIT_CRITICAL() \ | |
{ \ | |
extern volatile /*uint16_t*/ portSTACK_TYPE usCriticalNesting; \ | |
\ | |
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \ | |
{ \ | |
/* Decrement the nesting count as we are leaving a critical section. */ \ | |
usCriticalNesting--; \ | |
\ | |
/* If the nesting level has reached zero then interrupts should be */ \ | |
/* re-enabled. */ \ | |
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \ | |
{ \ | |
portENABLE_INTERRUPTS(); \ | |
} \ | |
} \ | |
} | |
/*-----------------------------------------------------------*/ | |
/* Task utilities. */ | |
extern void vPortYield( void ); | |
extern void vPortStart( void ); | |
extern void portSAVE_CONTEXT( void ); | |
extern void portRESTORE_CONTEXT( void ); | |
#define portYIELD() __asm ( "trap 0" ) | |
#define portNOP() __asm ( "NOP" ) | |
extern void vTaskSwitchContext( void ); | |
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext() | |
/*-----------------------------------------------------------*/ | |
/* Hardwware specifics. */ | |
#define portBYTE_ALIGNMENT 4 | |
#define portSTACK_GROWTH ( -1 ) | |
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
/*-----------------------------------------------------------*/ | |
/* Task function macros as described on the FreeRTOS.org WEB site. */ | |
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) | |
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* PORTMACRO_H */ | |