| /* | |
| FreeRTOS V7.4.1 - Copyright (C) 2013 Real Time Engineers Ltd. | |
| FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT | |
| http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
| *************************************************************************** | |
| * * | |
| * FreeRTOS tutorial books are available in pdf and paperback. * | |
| * Complete, revised, and edited pdf reference manuals are also * | |
| * available. * | |
| * * | |
| * Purchasing FreeRTOS documentation will not only help you, by * | |
| * ensuring you get running as quickly as possible and with an * | |
| * in-depth knowledge of how to use FreeRTOS, it will also help * | |
| * the FreeRTOS project to continue with its mission of providing * | |
| * professional grade, cross platform, de facto standard solutions * | |
| * for microcontrollers - completely free of charge! * | |
| * * | |
| * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
| * * | |
| * Thank you for using FreeRTOS, and thank you for your support! * | |
| * * | |
| *************************************************************************** | |
| 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. See the GNU General Public License for more | |
| details. You should have received a copy of the GNU General Public License | |
| and the FreeRTOS license exception along with FreeRTOS; if not it can be | |
| viewed here: http://www.freertos.org/a00114.html and also obtained by | |
| writing to Real Time Engineers Ltd., contact details for whom are available | |
| on the FreeRTOS WEB site. | |
| 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, and our new | |
| fully thread aware and reentrant UDP/IP stack. | |
| http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
| Integrity Systems, who sell the code with commercial support, | |
| indemnification and middleware, under the OpenRTOS brand. | |
| 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. | |
| */ | |
| #ifndef __PORTMACRO_H__ | |
| #define __PORTMACRO_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. */ | |
| #define portCHAR char | |
| #define portFLOAT float | |
| #define portDOUBLE double | |
| #define portLONG long | |
| #define portSHORT short | |
| #define portSTACK_TYPE unsigned long | |
| #define portBASE_TYPE long | |
| #if (configUSE_16_BIT_TICKS == 1) | |
| typedef unsigned portSHORT portTickType; | |
| #define portMAX_DELAY (portTickType) 0xFFFF | |
| #else | |
| typedef unsigned portLONG portTickType; | |
| #define portMAX_DELAY (portTickType) 0xFFFFFFFFF | |
| #endif | |
| /* Architecture specifics. */ | |
| #define portSTACK_GROWTH (-1) | |
| #define portTICK_RATE_MS ((portTickType) 1000 / configTICK_RATE_HZ) | |
| #define portBYTE_ALIGNMENT 8 | |
| /* Critical section handling. */ | |
| extern void vPortEnterCritical(void); | |
| extern void vPortExitCritical(void); | |
| #define portENTER_CRITICAL() vPortEnterCritical() | |
| #define portEXIT_CRITICAL() vPortExitCritical() | |
| #define portDISABLE_INTERRUPTS() asm( " CPSID I" ) | |
| #define portENABLE_INTERRUPTS() asm( " CPSIE I" ) | |
| /* Scheduler utilities. */ | |
| #pragma SWI_ALIAS( vPortYield, 0 ) | |
| extern void vPortYield( void ); | |
| #define portYIELD() vPortYield() | |
| #define portSYS_SSIR1_REG ( * ( ( volatile unsigned long * ) 0xFFFFFFB0 ) ) | |
| #define portSYS_SSIR1_SSKEY ( 0x7500UL ) | |
| #define portYIELD_WITHIN_API() { portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; asm( " DSB " ); asm( " ISB " ); } | |
| #define portYIELD_FROM_ISR( x ) if( x != pdFALSE ){ portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; ( void ) portSYS_SSIR1_REG; } | |
| /* Architecture specific optimisations. */ | |
| #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 */ | |
| /* Task function macros as described on the FreeRTOS.org WEB site. */ | |
| #define portTASK_FUNCTION(vFunction, pvParameters) void vFunction(void *pvParameters) | |
| #define portTASK_FUNCTION_PROTO(vFunction, pvParameters) void vFunction(void *pvParameters) | |
| #endif /* __PORTMACRO_H__ */ | |