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

   1 /*\r
   2     FreeRTOS V8.2.3 - Copyright (C) 2015 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     ***************************************************************************\r
  14     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
  15     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
  16     >>!   obliged to provide the source code for proprietary components     !<<\r
  17     >>!   outside of the FreeRTOS kernel.                                   !<<\r
  18     ***************************************************************************\r
  19 \r
  20     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  21     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  22     FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
  23     link: http://www.freertos.org/a00114.html\r
  24 \r
  25     ***************************************************************************\r
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  36      *                                                                       *\r
  37     ***************************************************************************\r
  38 \r
  39     http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading\r
  40     the FAQ page "My application does not run, what could be wrong?".  Have you\r
  41     defined configASSERT()?\r
  42 \r
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  66 \r
  67     1 tab == 4 spaces!\r
  68 */\r
  69 \r
  70 #ifndef PORTMACRO_H\r
  71 #define PORTMACRO_H\r
  72 \r
  73 #ifdef __cplusplus\r
  74 extern "C" {\r
  75 #endif\r
  76 \r
  77 /*-----------------------------------------------------------\r
  78  * Port specific definitions.\r
  79  *\r
  80  * The settings in this file configure FreeRTOS correctly for the\r
  81  * given hardware and compiler.\r
  82  *\r
  83  * These settings should not be altered.\r
  84  *-----------------------------------------------------------\r
  85  */\r
  86 \r
  87 #if __DATA_MODEL__ == __DATA_MODEL_FAR__ && __CODE_MODEL__ == __CODE_MODEL_NEAR__\r
  88         #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
  89 #endif\r
  90 \r
  91 #if __DATA_MODEL__ == __DATA_MODEL_NEAR__ && __CODE_MODEL__ == __CODE_MODEL_FAR__\r
  92         #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
  93 #endif\r
  94 \r
  95 /* Type definitions. */\r
  96 \r
  97 #define portCHAR        char\r
  98 #define portFLOAT       float\r
  99 #define portDOUBLE      double\r
 100 #define portLONG        long\r
 101 #define portSHORT       short\r
 102 #define portSTACK_TYPE  uint16_t\r
 103 #define portBASE_TYPE   short\r
 104 \r
 105 typedef portSTACK_TYPE StackType_t;\r
 106 typedef short BaseType_t;\r
 107 typedef unsigned short UBaseType_t;\r
 108 \r
 109 \r
 110 #if __DATA_MODEL__ == __DATA_MODEL_FAR__\r
 111         #define portPOINTER_SIZE_TYPE uint32_t\r
 112 #else\r
 113         #define portPOINTER_SIZE_TYPE uint16_t\r
 114 #endif\r
 115 \r
 116 \r
 117 #if ( configUSE_16_BIT_TICKS == 1 )\r
 118         typedef unsigned int TickType_t;\r
 119         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 120 #else\r
 121         typedef uint32_t TickType_t;\r
 122         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 123 #endif\r
 124 /*-----------------------------------------------------------*/\r
 125 \r
 126 /* Interrupt control macros. */\r
 127 #define portDISABLE_INTERRUPTS() __asm ( "DI" )\r
 128 #define portENABLE_INTERRUPTS()  __asm ( "EI" )\r
 129 /*-----------------------------------------------------------*/\r
 130 \r
 131 /* Critical section control macros. */\r
 132 #define portNO_CRITICAL_SECTION_NESTING         ( ( uint16_t ) 0 )\r
 133 \r
 134 #define portENTER_CRITICAL()                                                                                                    \\r
 135 {                                                                                                                                                               \\r
 136 extern volatile uint16_t usCriticalNesting;                                                                             \\r
 137                                                                                                                                                                 \\r
 138         portDISABLE_INTERRUPTS();                                                                                                       \\r
 139                                                                                                                                                                 \\r
 140         /* Now interrupts are disabled ulCriticalNesting can be accessed */                     \\r
 141         /* directly.  Increment ulCriticalNesting to keep a count of how many */        \\r
 142         /* times portENTER_CRITICAL() has been called. */                                                       \\r
 143         usCriticalNesting++;                                                                                                            \\r
 144 }\r
 145 \r
 146 #define portEXIT_CRITICAL()                                                                                                             \\r
 147 {                                                                                                                                                               \\r
 148 extern volatile uint16_t usCriticalNesting;                                                                             \\r
 149                                                                                                                                                                 \\r
 150         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                                       \\r
 151         {                                                                                                                                                       \\r
 152                 /* Decrement the nesting count as we are leaving a critical section. */ \\r
 153                 usCriticalNesting--;                                                                                                    \\r
 154                                                                                                                                                                 \\r
 155                 /* If the nesting level has reached zero then interrupts should be */   \\r
 156                 /* re-enabled. */                                                                                                               \\r
 157                 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )                              \\r
 158                 {                                                                                                                                               \\r
 159                         portENABLE_INTERRUPTS();                                                                                        \\r
 160                 }                                                                                                                                               \\r
 161         }                                                                                                                                                       \\r
 162 }\r
 163 /*-----------------------------------------------------------*/\r
 164 \r
 165 /* Task utilities. */\r
 166 #define portYIELD()     __asm( "BRK" )\r
 167 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()\r
 168 #define portNOP()       __asm( "NOP" )\r
 169 /*-----------------------------------------------------------*/\r
 170 \r
 171 /* Hardwware specifics. */\r
 172 #define portBYTE_ALIGNMENT      2\r
 173 #define portSTACK_GROWTH        ( -1 )\r
 174 #define portTICK_PERIOD_MS      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 175 /*-----------------------------------------------------------*/\r
 176 \r
 177 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 178 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 179 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 180 \r
 181 #ifdef __cplusplus\r
 182 }\r
 183 #endif\r
 184 \r
 185 #endif /* PORTMACRO_H */\r
 186 \r