/* | |
FreeRTOS V7.3.0 - Copyright (C) 2012 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 Richard Barry, 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, training, latest versions, license | |
and contact details. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool. | |
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.OpenRTOS.com. High Integrity Systems also | |
provide a safety engineered and independently SIL3 certified version under | |
the SafeRTOS brand: http://www.SafeRTOS.com. | |
*/ | |
#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. */ | |
#define portYIELD() _call_swi( 0 ) | |
#define portSYS_SSIR1_REG ( * ( ( volatile unsigned long * ) 0xFFFFFFB0 ) ) | |
#define portSYS_SSIR1_SSKEY ( 0x7500UL ) | |
#define portYIELD_WITHIN_API() { portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; ( void ) portSYS_SSIR1_REG; } | |
#define portYIELD_FROM_ISR() { portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; ( void ) portSYS_SSIR1_REG; } | |
/* Architecture specific optimisations. */ | |
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 | |
/* Generic helper function. */ | |
unsigned long ulPortCountLeadingZeros( unsigned long ulBitmap ); | |
/* 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 - ulPortCountLeadingZeros( ( 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__ */ | |