/* | |
* 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 uint32_t | |
#define portBASE_TYPE long | |
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 | |
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do | |
not need to be guarded with a critical section. */ | |
#define portTICK_TYPE_IS_ATOMIC 1 | |
#endif | |
/*-----------------------------------------------------------*/ | |
/* Architecture specifics. */ | |
#define portSTACK_GROWTH ( -1 ) | |
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
#define portBYTE_ALIGNMENT 8 | |
/*-----------------------------------------------------------*/ | |
/* Compiler directives. */ | |
#define portWEAK_SYMBOL __attribute__((weak)) | |
/*-----------------------------------------------------------*/ | |
/* Scheduler utilities. */ | |
#define portYIELD() \ | |
{ \ | |
/* Set a PendSV to request a context switch. */ \ | |
portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \ | |
__asm( " dsb" ); \ | |
__asm( " isb" ); \ | |
} | |
#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) | |
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) | |
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired != pdFALSE ) portYIELD() | |
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) | |
/*-----------------------------------------------------------*/ | |
/* Architecture specific optimisations. */ | |
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION | |
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 | |
#endif | |
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 | |
/* Check the configuration. */ | |
#if( configMAX_PRIORITIES > 32 ) | |
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. | |
#endif | |
/* Store/clear the ready priorities in a bit map. */ | |
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) | |
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) | |
/*-----------------------------------------------------------*/ | |
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) ) | |
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ | |
/*-----------------------------------------------------------*/ | |
/* Critical section management. */ | |
extern void vPortEnterCritical( void ); | |
extern void vPortExitCritical( void ); | |
#define portDISABLE_INTERRUPTS() \ | |
{ \ | |
_set_interrupt_priority( configMAX_SYSCALL_INTERRUPT_PRIORITY ); \ | |
__asm( " dsb" ); \ | |
__asm( " isb" ); \ | |
} | |
#define portENABLE_INTERRUPTS() _set_interrupt_priority( 0 ) | |
#define portENTER_CRITICAL() vPortEnterCritical() | |
#define portEXIT_CRITICAL() vPortExitCritical() | |
#define portSET_INTERRUPT_MASK_FROM_ISR() _set_interrupt_priority( configMAX_SYSCALL_INTERRUPT_PRIORITY ); __asm( " dsb" ); __asm( " isb" ) | |
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) _set_interrupt_priority( x ) | |
/*-----------------------------------------------------------*/ | |
/* Tickless idle/low power functionality. */ | |
#ifndef portSUPPRESS_TICKS_AND_SLEEP | |
extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ); | |
#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime ) | |
#endif | |
/*-----------------------------------------------------------*/ | |
/* Task function macros as described on the FreeRTOS.org WEB site. These are | |
not necessary for to use this port. They are defined so the common demo files | |
(which build with all the ports) will build. */ | |
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) | |
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) | |
/*-----------------------------------------------------------*/ | |
#ifdef configASSERT | |
void vPortValidateInterruptPriority( void ); | |
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority() | |
#endif | |
/* portNOP() is not required by this port. */ | |
#define portNOP() | |
/*-----------------------------------------------------------*/ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* PORTMACRO_H */ | |