git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/IAR/RL78/portmacro.h

   1 /*\r
   2     FreeRTOS V7.5.3 - Copyright (C) 2013 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     ***************************************************************************\r
   8      *                                                                       *\r
   9      *    FreeRTOS provides completely free yet professionally developed,    *\r
  10      *    robust, strictly quality controlled, supported, and cross          *\r
  11      *    platform software that has become a de facto standard.             *\r
  12      *                                                                       *\r
  13      *    Help yourself get started quickly and support the FreeRTOS         *\r
  14      *    project by purchasing a FreeRTOS tutorial book, reference          *\r
  15      *    manual, or both from: http://www.FreeRTOS.org/Documentation        *\r
  16      *                                                                       *\r
  17      *    Thank you!                                                         *\r
  18      *                                                                       *\r
  19     ***************************************************************************\r
  20 \r
  21     This file is part of the FreeRTOS distribution.\r
  22 \r
  23     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  24     the terms of the GNU General Public License (version 2) as published by the\r
  25     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
  26 \r
  27     >>! NOTE: The modification to the GPL is included to allow you to distribute\r
  28     >>! a combined work that includes FreeRTOS without being obliged to provide\r
  29     >>! the source code for proprietary components outside of the FreeRTOS\r
  30     >>! kernel.\r
  31 \r
  32     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  33     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  34     FOR A PARTICULAR PURPOSE.  Full license text is available from the following\r
  35     link: http://www.freertos.org/a00114.html\r
  36 \r
  37     1 tab == 4 spaces!\r
  38 \r
  39     ***************************************************************************\r
  40      *                                                                       *\r
  41      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  42      *    not run, what could be wrong?"                                     *\r
  43      *                                                                       *\r
  44      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  45      *                                                                       *\r
  46     ***************************************************************************\r
  47 \r
  48     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
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  50 \r
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  52     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  53     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  54 \r
  55     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
  56     Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  57     licenses offer ticketed support, indemnification and middleware.\r
  58 \r
  59     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  60     engineered and independently SIL3 certified version for use in safety and\r
  61     mission critical applications that require provable dependability.\r
  62 \r
  63     1 tab == 4 spaces!\r
  64 */\r
  65 \r
  66 #ifndef PORTMACRO_H\r
  67 #define PORTMACRO_H\r
  68 \r
  69 #ifdef __cplusplus\r
  70 extern "C" {\r
  71 #endif\r
  72 \r
  73 /*-----------------------------------------------------------\r
  74  * Port specific definitions.\r
  75  *\r
  76  * The settings in this file configure FreeRTOS correctly for the\r
  77  * given hardware and compiler.\r
  78  *\r
  79  * These settings should not be altered.\r
  80  *-----------------------------------------------------------\r
  81  */\r
  82 \r
  83 #if __DATA_MODEL__ == __DATA_MODEL_FAR__ && __CODE_MODEL__ == __CODE_MODEL_NEAR__\r
  84         #warning This port has not been tested with your selected memory model combination. If a far data model is required it is recommended to also use a far code model.\r
  85 #endif\r
  86 \r
  87 #if __DATA_MODEL__ == __DATA_MODEL_NEAR__ && __CODE_MODEL__ == __CODE_MODEL_FAR__\r
  88         #warning This port has not been tested with your selected memory model combination. If a far code model is required it is recommended to also use a far data model.\r
  89 #endif\r
  90 \r
  91 /* Type definitions. */\r
  92 \r
  93 #define portCHAR        char\r
  94 #define portFLOAT       float\r
  95 #define portDOUBLE      double\r
  96 #define portLONG        long\r
  97 #define portSHORT       short\r
  98 #define portSTACK_TYPE  unsigned short\r
  99 #define portBASE_TYPE   short\r
 100 \r
 101 #if __DATA_MODEL__ == __DATA_MODEL_FAR__\r
 102         #define portPOINTER_SIZE_TYPE unsigned long\r
 103 #else\r
 104         #define portPOINTER_SIZE_TYPE unsigned short\r
 105 #endif\r
 106 \r
 107 \r
 108 #if ( configUSE_16_BIT_TICKS == 1 )\r
 109         typedef unsigned int portTickType;\r
 110         #define portMAX_DELAY ( portTickType ) 0xffff\r
 111 #else\r
 112         typedef unsigned long portTickType;\r
 113         #define portMAX_DELAY ( portTickType ) 0xffffffff\r
 114 #endif\r
 115 /*-----------------------------------------------------------*/\r
 116 \r
 117 /* Interrupt control macros. */\r
 118 #define portDISABLE_INTERRUPTS() __asm ( "DI" )\r
 119 #define portENABLE_INTERRUPTS()  __asm ( "EI" )\r
 120 /*-----------------------------------------------------------*/\r
 121 \r
 122 /* Critical section control macros. */\r
 123 #define portNO_CRITICAL_SECTION_NESTING         ( ( unsigned portSHORT ) 0 )\r
 124 \r
 125 #define portENTER_CRITICAL()                                                                                                    \\r
 126 {                                                                                                                                                               \\r
 127 extern volatile unsigned short usCriticalNesting;                                                               \\r
 128                                                                                                                                                                 \\r
 129         portDISABLE_INTERRUPTS();                                                                                                       \\r
 130                                                                                                                                                                 \\r
 131         /* Now interrupts are disabled ulCriticalNesting can be accessed */                     \\r
 132         /* directly.  Increment ulCriticalNesting to keep a count of how many */        \\r
 133         /* times portENTER_CRITICAL() has been called. */                                                       \\r
 134         usCriticalNesting++;                                                                                                            \\r
 135 }\r
 136 \r
 137 #define portEXIT_CRITICAL()                                                                                                             \\r
 138 {                                                                                                                                                               \\r
 139 extern volatile unsigned short usCriticalNesting;                                                               \\r
 140                                                                                                                                                                 \\r
 141         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                                       \\r
 142         {                                                                                                                                                       \\r
 143                 /* Decrement the nesting count as we are leaving a critical section. */ \\r
 144                 usCriticalNesting--;                                                                                                    \\r
 145                                                                                                                                                                 \\r
 146                 /* If the nesting level has reached zero then interrupts should be */   \\r
 147                 /* re-enabled. */                                                                                                               \\r
 148                 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )                              \\r
 149                 {                                                                                                                                               \\r
 150                         portENABLE_INTERRUPTS();                                                                                        \\r
 151                 }                                                                                                                                               \\r
 152         }                                                                                                                                                       \\r
 153 }\r
 154 /*-----------------------------------------------------------*/\r
 155 \r
 156 /* Task utilities. */\r
 157 #define portYIELD()     __asm( "BRK" )\r
 158 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()\r
 159 #define portNOP()       __asm( "NOP" )\r
 160 /*-----------------------------------------------------------*/\r
 161 \r
 162 /* Hardwware specifics. */\r
 163 #define portBYTE_ALIGNMENT      2\r
 164 #define portSTACK_GROWTH        ( -1 )\r
 165 #define portTICK_RATE_MS        ( ( portTickType ) 1000 / configTICK_RATE_HZ )\r
 166 /*-----------------------------------------------------------*/\r
 167 \r
 168 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 169 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 170 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 171 \r
 172 #ifdef __cplusplus\r
 173 }\r
 174 #endif\r
 175 \r
 176 #endif /* PORTMACRO_H */\r
 177 \r