/* | |
FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd. | |
All rights reserved | |
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
*************************************************************************** | |
* * | |
* FreeRTOS provides completely free yet professionally developed, * | |
* robust, strictly quality controlled, supported, and cross * | |
* platform software that has become a de facto standard. * | |
* * | |
* Help yourself get started quickly and support the FreeRTOS * | |
* project by purchasing a FreeRTOS tutorial book, reference * | |
* manual, or both from: http://www.FreeRTOS.org/Documentation * | |
* * | |
* Thank you! * | |
* * | |
*************************************************************************** | |
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 from the following | |
link: http://www.freertos.org/a00114.html | |
1 tab == 4 spaces! | |
*************************************************************************** | |
* * | |
* Having a problem? Start by reading the FAQ "My application does * | |
* not run, what could be wrong?" * | |
* * | |
* http://www.FreeRTOS.org/FAQHelp.html * | |
* * | |
*************************************************************************** | |
http://www.FreeRTOS.org - Documentation, books, training, latest versions, | |
license and Real Time Engineers Ltd. contact details. | |
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.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS | |
licenses offer ticketed support, indemnification and 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! | |
*/ | |
#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 - these are a bit legacy and not really used now, other than | |
portSTACK_TYPE and portBASE_TYPE. */ | |
#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 | |
#endif | |
/*-----------------------------------------------------------*/ | |
/* Hardware specifics. */ | |
#define portBYTE_ALIGNMENT 8 /* Could make four, according to manual. */ | |
#define portSTACK_GROWTH -1 | |
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
#define portNOP() __asm volatile( "NOP" ) | |
/* Yield equivalent to "*portITU_SWINTR = 0x01; ( void ) *portITU_SWINTR;" | |
where portITU_SWINTR is the location of the software interrupt register | |
(0x000872E0). Don't rely on the assembler to select a register, so instead | |
save and restore clobbered registers manually. */ | |
#define portYIELD() \ | |
__asm volatile \ | |
( \ | |
"PUSH.L R10 \n" \ | |
"MOV.L #0x872E0, R10 \n" \ | |
"MOV.B #0x1, [R10] \n" \ | |
"MOV.L [R10], R10 \n" \ | |
"POP R10 \n" \ | |
) | |
#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) portYIELD() | |
/* These macros should not be called directly, but through the | |
taskENTER_CRITICAL() and taskEXIT_CRITICAL() macros. An extra check is | |
performed if configASSERT() is defined to ensure an assertion handler does not | |
inadvertently attempt to lower the IPL when the call to assert was triggered | |
because the IPL value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY | |
when an ISR safe FreeRTOS API function was executed. ISR safe FreeRTOS API | |
functions are those that end in FromISR. FreeRTOS maintains a separate | |
interrupt API to ensure API function and interrupt entry is as fast and as | |
simple as possible. */ | |
#define portENABLE_INTERRUPTS() __asm volatile ( "MVTIPL #0" ) | |
#ifdef configASSERT | |
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( ulPortGetIPL() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) ) | |
#define portDISABLE_INTERRUPTS() if( ulPortGetIPL() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) __asm volatile ( "MVTIPL %0" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) ) | |
#else | |
#define portDISABLE_INTERRUPTS() __asm volatile ( "MVTIPL %0" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) ) | |
#endif | |
/* Critical nesting counts are stored in the TCB. */ | |
#define portCRITICAL_NESTING_IN_TCB ( 1 ) | |
/* The critical nesting functions defined within tasks.c. */ | |
extern void vTaskEnterCritical( void ); | |
extern void vTaskExitCritical( void ); | |
#define portENTER_CRITICAL() vTaskEnterCritical() | |
#define portEXIT_CRITICAL() vTaskExitCritical() | |
/* As this port allows interrupt nesting... */ | |
uint32_t ulPortGetIPL( void ) __attribute__((naked)); | |
void vPortSetIPL( uint32_t ulNewIPL ) __attribute__((naked)); | |
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortGetIPL(); portDISABLE_INTERRUPTS() | |
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) vPortSetIPL( uxSavedInterruptStatus ) | |
/*-----------------------------------------------------------*/ | |
/* 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 */ | |