/* | |
FreeRTOS.org V5.3.0 - Copyright (C) 2003-2009 Richard Barry. | |
This file is part of the FreeRTOS.org distribution. | |
FreeRTOS.org 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 exception to the GPL is included to allow you to distribute a | |
combined work that includes FreeRTOS.org without being obliged to provide | |
the source code for any proprietary components. Alternative commercial | |
license and support terms are also available upon request. See the | |
licensing section of http://www.FreeRTOS.org for full details. | |
FreeRTOS.org 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 along | |
with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59 | |
Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
*************************************************************************** | |
* * | |
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation * | |
* * | |
* This is a concise, step by step, 'hands on' guide that describes both * | |
* general multitasking concepts and FreeRTOS specifics. It presents and * | |
* explains numerous examples that are written using the FreeRTOS API. * | |
* Full source code for all the examples is provided in an accompanying * | |
* .zip file. * | |
* * | |
*************************************************************************** | |
1 tab == 4 spaces! | |
Please ensure to read the configuration and relevant port sections of the | |
online documentation. | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
#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 int | |
#define portSTACK_TYPE unsigned portSHORT | |
#define portBASE_TYPE portSHORT | |
#if( configUSE_16_BIT_TICKS == 1 ) | |
typedef unsigned portSHORT portTickType; | |
#define portMAX_DELAY ( portTickType ) 0xffff | |
#else | |
typedef unsigned portLONG portTickType; | |
#define portMAX_DELAY ( portTickType ) 0xffffffff | |
#endif | |
/*-----------------------------------------------------------*/ | |
/* Interrupt control macros. */ | |
#define portDISABLE_INTERRUPTS() asm volatile ( "DINT" ) | |
#define portENABLE_INTERRUPTS() asm volatile ( "EINT" ) | |
/*-----------------------------------------------------------*/ | |
/* Critical section control macros. */ | |
#define portNO_CRITICAL_SECTION_NESTING ( ( unsigned portSHORT ) 0 ) | |
#define portENTER_CRITICAL() \ | |
{ \ | |
extern volatile unsigned portSHORT usCriticalNesting; \ | |
\ | |
portDISABLE_INTERRUPTS(); \ | |
\ | |
/* Now interrupts are disabled ulCriticalNesting can be accessed */ \ | |
/* directly. Increment ulCriticalNesting to keep a count of how many */ \ | |
/* times portENTER_CRITICAL() has been called. */ \ | |
usCriticalNesting++; \ | |
} | |
#define portEXIT_CRITICAL() \ | |
{ \ | |
extern volatile unsigned portSHORT usCriticalNesting; \ | |
\ | |
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \ | |
{ \ | |
/* Decrement the nesting count as we are leaving a critical section. */ \ | |
usCriticalNesting--; \ | |
\ | |
/* If the nesting level has reached zero then interrupts should be */ \ | |
/* re-enabled. */ \ | |
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \ | |
{ \ | |
portENABLE_INTERRUPTS(); \ | |
} \ | |
} \ | |
} | |
/*-----------------------------------------------------------*/ | |
/* Task utilities. */ | |
extern void vPortYield( void ) __attribute__ ( ( naked ) ); | |
#define portYIELD() vPortYield() | |
#define portNOP() asm volatile ( "NOP" ) | |
/*-----------------------------------------------------------*/ | |
/* Hardwware specifics. */ | |
#define portBYTE_ALIGNMENT 2 | |
#define portSTACK_GROWTH ( -1 ) | |
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ ) | |
/*-----------------------------------------------------------*/ | |
/* 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 */ | |