You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
149 lines
5.7 KiB
C
149 lines
5.7 KiB
C
/*
|
|
FreeRTOS.org V5.1.2 - 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 as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
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
|
|
|
|
A special exception to the GPL can be applied should you wish to distribute
|
|
a combined work that includes FreeRTOS.org, without being obliged to provide
|
|
the source code for any proprietary components. See the licensing section
|
|
of http://www.FreeRTOS.org for full details of how and when the exception
|
|
can be applied.
|
|
|
|
***************************************************************************
|
|
***************************************************************************
|
|
* *
|
|
* 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. *
|
|
* *
|
|
***************************************************************************
|
|
***************************************************************************
|
|
|
|
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 */
|
|
|