| /* | |
| FreeRTOS V8.1.1 - 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 | |
| /* Hardware specifics. */ | |
| #include "machine.h" | |
| /*----------------------------------------------------------- | |
| * 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() nop() | |
| #pragma inline_asm vPortYield | |
| static void vPortYield( void ) | |
| { | |
| /* Save clobbered register - may not actually be necessary if inline asm | |
| functions are considered to use the same rules as function calls by the | |
| compiler. */ | |
| PUSH.L R5 | |
| /* Set ITU SWINTR. */ | |
| MOV.L #553696, R5 | |
| MOV.B #1, [R5] | |
| /* Read back to ensure the value is taken before proceeding. */ | |
| MOV.L [R5], R5 | |
| /* Restore clobbered register to its previous value. */ | |
| POP R5 | |
| } | |
| #define portYIELD() vPortYield() | |
| #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() set_ipl( ( long ) 0 ) | |
| #ifdef configASSERT | |
| #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( get_ipl() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) ) | |
| #define portDISABLE_INTERRUPTS() if( get_ipl() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY ) | |
| #else | |
| #define portDISABLE_INTERRUPTS() set_ipl( ( long ) 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... */ | |
| #define portSET_INTERRUPT_MASK_FROM_ISR() get_ipl(); set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY ) | |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) set_ipl( ( long ) 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 */ | |