| 1 |
572 |
jeremybenn |
/*
|
| 2 |
|
|
FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
|
| 3 |
|
|
|
| 4 |
|
|
***************************************************************************
|
| 5 |
|
|
* *
|
| 6 |
|
|
* If you are: *
|
| 7 |
|
|
* *
|
| 8 |
|
|
* + New to FreeRTOS, *
|
| 9 |
|
|
* + Wanting to learn FreeRTOS or multitasking in general quickly *
|
| 10 |
|
|
* + Looking for basic training, *
|
| 11 |
|
|
* + Wanting to improve your FreeRTOS skills and productivity *
|
| 12 |
|
|
* *
|
| 13 |
|
|
* then take a look at the FreeRTOS books - available as PDF or paperback *
|
| 14 |
|
|
* *
|
| 15 |
|
|
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
| 16 |
|
|
* http://www.FreeRTOS.org/Documentation *
|
| 17 |
|
|
* *
|
| 18 |
|
|
* A pdf reference manual is also available. Both are usually delivered *
|
| 19 |
|
|
* to your inbox within 20 minutes to two hours when purchased between 8am *
|
| 20 |
|
|
* and 8pm GMT (although please allow up to 24 hours in case of *
|
| 21 |
|
|
* exceptional circumstances). Thank you for your support! *
|
| 22 |
|
|
* *
|
| 23 |
|
|
***************************************************************************
|
| 24 |
|
|
|
| 25 |
|
|
This file is part of the FreeRTOS distribution.
|
| 26 |
|
|
|
| 27 |
|
|
FreeRTOS is free software; you can redistribute it and/or modify it under
|
| 28 |
|
|
the terms of the GNU General Public License (version 2) as published by the
|
| 29 |
|
|
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
| 30 |
|
|
***NOTE*** The exception to the GPL is included to allow you to distribute
|
| 31 |
|
|
a combined work that includes FreeRTOS without being obliged to provide the
|
| 32 |
|
|
source code for proprietary components outside of the FreeRTOS kernel.
|
| 33 |
|
|
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
|
| 34 |
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 35 |
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
| 36 |
|
|
more details. You should have received a copy of the GNU General Public
|
| 37 |
|
|
License and the FreeRTOS license exception along with FreeRTOS; if not it
|
| 38 |
|
|
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
| 39 |
|
|
by writing to Richard Barry, contact details for whom are available on the
|
| 40 |
|
|
FreeRTOS WEB site.
|
| 41 |
|
|
|
| 42 |
|
|
1 tab == 4 spaces!
|
| 43 |
|
|
|
| 44 |
|
|
http://www.FreeRTOS.org - Documentation, latest information, license and
|
| 45 |
|
|
contact details.
|
| 46 |
|
|
|
| 47 |
|
|
http://www.SafeRTOS.com - A version that is certified for use in safety
|
| 48 |
|
|
critical systems.
|
| 49 |
|
|
|
| 50 |
|
|
http://www.OpenRTOS.com - Commercial support, development, porting,
|
| 51 |
|
|
licensing and training services.
|
| 52 |
|
|
*/
|
| 53 |
|
|
|
| 54 |
|
|
#ifndef PORTMACRO_H
|
| 55 |
|
|
#define PORTMACRO_H
|
| 56 |
|
|
|
| 57 |
|
|
/*-----------------------------------------------------------
|
| 58 |
|
|
* Port specific definitions.
|
| 59 |
|
|
*
|
| 60 |
|
|
* The settings in this file configure FreeRTOS correctly for the
|
| 61 |
|
|
* given hardware and compiler.
|
| 62 |
|
|
*
|
| 63 |
|
|
* These settings should not be altered.
|
| 64 |
|
|
*-----------------------------------------------------------
|
| 65 |
|
|
*/
|
| 66 |
|
|
|
| 67 |
|
|
/* Hardware includes. */
|
| 68 |
|
|
#include "msp430.h"
|
| 69 |
|
|
|
| 70 |
|
|
/* Type definitions. */
|
| 71 |
|
|
#define portCHAR char
|
| 72 |
|
|
#define portFLOAT float
|
| 73 |
|
|
#define portDOUBLE double
|
| 74 |
|
|
#define portLONG long
|
| 75 |
|
|
#define portSHORT int
|
| 76 |
|
|
#define portBASE_TYPE portSHORT
|
| 77 |
|
|
|
| 78 |
|
|
/* The stack type changes depending on the data model. */
|
| 79 |
|
|
#ifdef __LARGE_DATA_MODEL__
|
| 80 |
|
|
#define portSTACK_TYPE unsigned long
|
| 81 |
|
|
#else
|
| 82 |
|
|
#define portSTACK_TYPE unsigned short
|
| 83 |
|
|
#endif
|
| 84 |
|
|
|
| 85 |
|
|
#if( configUSE_16_BIT_TICKS == 1 )
|
| 86 |
|
|
typedef unsigned portSHORT portTickType;
|
| 87 |
|
|
#define portMAX_DELAY ( portTickType ) 0xffff
|
| 88 |
|
|
#else
|
| 89 |
|
|
typedef unsigned portLONG portTickType;
|
| 90 |
|
|
#define portMAX_DELAY ( portTickType ) 0xffffffff
|
| 91 |
|
|
#endif
|
| 92 |
|
|
|
| 93 |
|
|
/*-----------------------------------------------------------*/
|
| 94 |
|
|
|
| 95 |
|
|
/* Interrupt control macros. */
|
| 96 |
|
|
#define portDISABLE_INTERRUPTS() _disable_interrupt()
|
| 97 |
|
|
#define portENABLE_INTERRUPTS() _enable_interrupt()
|
| 98 |
|
|
/*-----------------------------------------------------------*/
|
| 99 |
|
|
|
| 100 |
|
|
/* Critical section control macros. */
|
| 101 |
|
|
#define portNO_CRITICAL_SECTION_NESTING ( ( unsigned portSHORT ) 0 )
|
| 102 |
|
|
|
| 103 |
|
|
#define portENTER_CRITICAL() \
|
| 104 |
|
|
{ \
|
| 105 |
|
|
extern volatile unsigned short usCriticalNesting; \
|
| 106 |
|
|
\
|
| 107 |
|
|
portDISABLE_INTERRUPTS(); \
|
| 108 |
|
|
\
|
| 109 |
|
|
/* Now interrupts are disabled usCriticalNesting can be accessed */ \
|
| 110 |
|
|
/* directly. Increment ulCriticalNesting to keep a count of how many */ \
|
| 111 |
|
|
/* times portENTER_CRITICAL() has been called. */ \
|
| 112 |
|
|
usCriticalNesting++; \
|
| 113 |
|
|
}
|
| 114 |
|
|
|
| 115 |
|
|
#define portEXIT_CRITICAL() \
|
| 116 |
|
|
{ \
|
| 117 |
|
|
extern volatile unsigned short usCriticalNesting; \
|
| 118 |
|
|
\
|
| 119 |
|
|
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
|
| 120 |
|
|
{ \
|
| 121 |
|
|
/* Decrement the nesting count as we are leaving a critical section. */ \
|
| 122 |
|
|
usCriticalNesting--; \
|
| 123 |
|
|
\
|
| 124 |
|
|
/* If the nesting level has reached zero then interrupts should be */ \
|
| 125 |
|
|
/* re-enabled. */ \
|
| 126 |
|
|
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
|
| 127 |
|
|
{ \
|
| 128 |
|
|
portENABLE_INTERRUPTS(); \
|
| 129 |
|
|
} \
|
| 130 |
|
|
} \
|
| 131 |
|
|
}
|
| 132 |
|
|
/*-----------------------------------------------------------*/
|
| 133 |
|
|
|
| 134 |
|
|
/* Task utilities. */
|
| 135 |
|
|
|
| 136 |
|
|
/*
|
| 137 |
|
|
* Manual context switch called by portYIELD or taskYIELD.
|
| 138 |
|
|
*/
|
| 139 |
|
|
extern void vPortYield( void );
|
| 140 |
|
|
#define portYIELD() vPortYield()
|
| 141 |
|
|
/*-----------------------------------------------------------*/
|
| 142 |
|
|
|
| 143 |
|
|
/* Hardware specifics. */
|
| 144 |
|
|
#define portBYTE_ALIGNMENT 4
|
| 145 |
|
|
#define portSTACK_GROWTH ( -1 )
|
| 146 |
|
|
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
|
| 147 |
|
|
#define portNOP()
|
| 148 |
|
|
/*-----------------------------------------------------------*/
|
| 149 |
|
|
|
| 150 |
|
|
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
| 151 |
|
|
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
| 152 |
|
|
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
| 153 |
|
|
|
| 154 |
|
|
extern void vTaskSwitchContext( void );
|
| 155 |
|
|
#define portYIELD_FROM_ISR( x ) if( x ) vPortYield()
|
| 156 |
|
|
|
| 157 |
|
|
void vApplicationSetupTimerInterrupt( void );
|
| 158 |
|
|
|
| 159 |
|
|
/* sizeof( int ) != sizeof( long ) so a full printf() library is required if
|
| 160 |
|
|
run time stats information is to be displayed. */
|
| 161 |
|
|
#define portLU_PRINTF_SPECIFIER_REQUIRED
|
| 162 |
|
|
|
| 163 |
|
|
#endif /* PORTMACRO_H */
|
| 164 |
|
|
|
