git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/IAR/V850ES/portmacro.h

   1 /*\r
   2     FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd.\r
   3     All rights reserved\r
   4 \r
   5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
   6 \r
   7     This file is part of the FreeRTOS distribution.\r
   8 \r
   9     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  10     the terms of the GNU General Public License (version 2) as published by the\r
  11     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
  12 \r
  13     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
  14     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
  15     >>!   obliged to provide the source code for proprietary components     !<<\r
  16     >>!   outside of the FreeRTOS kernel.                                   !<<\r
  17 \r
  18     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  19     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  20     FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
  21     link: http://www.freertos.org/a00114.html\r
  22 \r
  23     1 tab == 4 spaces!\r
  24 \r
  25     ***************************************************************************\r
  26      *                                                                       *\r
  27      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  28      *    not run, what could be wrong?".  Have you defined configASSERT()?  *\r
  29      *                                                                       *\r
  30      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  31      *                                                                       *\r
  32     ***************************************************************************\r
  33 \r
  34     ***************************************************************************\r
  35      *                                                                       *\r
  36      *    FreeRTOS provides completely free yet professionally developed,    *\r
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  39      *    is the industry's de facto standard.                               *\r
  40      *                                                                       *\r
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  44      *    http://www.FreeRTOS.org/Documentation                              *\r
  45      *                                                                       *\r
  46     ***************************************************************************\r
  47 \r
  48     ***************************************************************************\r
  49      *                                                                       *\r
  50      *   Investing in training allows your team to be as productive as       *\r
  51      *   possible as early as possible, lowering your overall development    *\r
  52      *   cost, and enabling you to bring a more robust product to market     *\r
  53      *   earlier than would otherwise be possible.  Richard Barry is both    *\r
  54      *   the architect and key author of FreeRTOS, and so also the world's   *\r
  55      *   leading authority on what is the world's most popular real time     *\r
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  60      *   by Richard Barry:  http://www.FreeRTOS.org/contact\r
  61      *                                                                       *\r
  62     ***************************************************************************\r
  63 \r
  64     ***************************************************************************\r
  65      *                                                                       *\r
  66      *    You are receiving this top quality software for free.  Please play *\r
  67      *    fair and reciprocate by reporting any suspected issues and         *\r
  68      *    participating in the community forum:                              *\r
  69      *    http://www.FreeRTOS.org/support                                    *\r
  70      *                                                                       *\r
  71      *    Thank you!                                                         *\r
  72      *                                                                       *\r
  73     ***************************************************************************\r
  74 \r
  75     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
  76     license and Real Time Engineers Ltd. contact details.\r
  77 \r
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  79     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  80     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
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  84 \r
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  88 \r
  89     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  90     engineered and independently SIL3 certified version for use in safety and\r
  91     mission critical applications that require provable dependability.\r
  92 \r
  93     1 tab == 4 spaces!\r
  94 */\r
  95 \r
  96 #ifndef PORTMACRO_H\r
  97 #define PORTMACRO_H\r
  98 \r
  99 #ifdef __cplusplus\r
 100 extern "C" {\r
 101 #endif\r
 102 \r
 103 /*-----------------------------------------------------------\r
 104  * Port specific definitions.\r
 105  *\r
 106  * The settings in this file configure FreeRTOS correctly for the\r
 107  * given hardware and compiler.\r
 108  *\r
 109  * These settings should not be altered.\r
 110  *-----------------------------------------------------------\r
 111  */\r
 112 \r
 113 /* Type definitions. */\r
 114 #define portCHAR        char\r
 115 #define portFLOAT       float\r
 116 #define portDOUBLE      double\r
 117 #define portLONG        long\r
 118 #define portSHORT       short\r
 119 #define portSTACK_TYPE  unsigned int\r
 120 #define portBASE_TYPE   int\r
 121 \r
 122 typedef portSTACK_TYPE StackType_t;\r
 123 typedef long BaseType_t;\r
 124 typedef unsigned long UBaseType_t;\r
 125 \r
 126 \r
 127 #if (configUSE_16_BIT_TICKS==1)\r
 128         typedef uint16_t TickType_t;\r
 129         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 130 #else\r
 131         typedef uint32_t TickType_t;\r
 132         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 133 #endif\r
 134 /*-----------------------------------------------------------*/\r
 135 \r
 136 /* Interrupt control macros. */\r
 137 #define portDISABLE_INTERRUPTS() __asm ( "DI" )\r
 138 #define portENABLE_INTERRUPTS()  __asm ( "EI" )\r
 139 /*-----------------------------------------------------------*/\r
 140 \r
 141 /* Critical section control macros. */\r
 142 #define portNO_CRITICAL_SECTION_NESTING         ( ( UBaseType_t ) 0 )\r
 143 \r
 144 #define portENTER_CRITICAL()                                                                                                            \\r
 145 {                                                                                                                                                                       \\r
 146 extern volatile /*uint16_t*/ portSTACK_TYPE usCriticalNesting;                                          \\r
 147                                                                                                                                                                         \\r
 148         portDISABLE_INTERRUPTS();                                                                                                               \\r
 149                                                                                                                                                                         \\r
 150         /* Now interrupts are disabled ulCriticalNesting can be accessed */                             \\r
 151         /* directly.  Increment ulCriticalNesting to keep a count of how many */                \\r
 152         /* times portENTER_CRITICAL() has been called. */                                                               \\r
 153         usCriticalNesting++;                                                                                                                    \\r
 154 }\r
 155 \r
 156 #define portEXIT_CRITICAL()                                                                                                                     \\r
 157 {                                                                                                                                                                       \\r
 158 extern volatile /*uint16_t*/ portSTACK_TYPE usCriticalNesting;                                          \\r
 159                                                                                                                                                                         \\r
 160         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                                               \\r
 161         {                                                                                                                                                               \\r
 162                 /* Decrement the nesting count as we are leaving a critical section. */         \\r
 163                 usCriticalNesting--;                                                                                                            \\r
 164                                                                                                                                                                         \\r
 165                 /* If the nesting level has reached zero then interrupts should be */           \\r
 166                 /* re-enabled. */                                                                                                                       \\r
 167                 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )                                      \\r
 168                 {                                                                                                                                                       \\r
 169                         portENABLE_INTERRUPTS();                                                                                                \\r
 170                 }                                                                                                                                                       \\r
 171         }                                                                                                                                                               \\r
 172 }\r
 173 /*-----------------------------------------------------------*/\r
 174 \r
 175 /* Task utilities. */\r
 176 extern void vPortYield( void );\r
 177 extern void vPortStart( void );\r
 178 extern void portSAVE_CONTEXT( void );\r
 179 extern void portRESTORE_CONTEXT( void );\r
 180 #define portYIELD()     __asm ( "trap 0" )\r
 181 #define portNOP()       __asm ( "NOP" )\r
 182 extern void vTaskSwitchContext( void );\r
 183 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()\r
 184 \r
 185 /*-----------------------------------------------------------*/\r
 186 \r
 187 /* Hardwware specifics. */\r
 188 #define portBYTE_ALIGNMENT      4\r
 189 #define portSTACK_GROWTH        ( -1 )\r
 190 #define portTICK_PERIOD_MS      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 191 /*-----------------------------------------------------------*/\r
 192 \r
 193 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 194 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 195 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 196 \r
 197 \r
 198 #ifdef __cplusplus\r
 199 }\r
 200 #endif\r
 201 \r
 202 #endif /* PORTMACRO_H */\r
 203 \r