git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/IAR/78K0R/portmacro.h

   1 /*\r
   2     FreeRTOS V7.6.0 - 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
  49     license and Real Time Engineers Ltd. contact details.\r
  50 \r
  51     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  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 /* Type definitions. */\r
  84 \r
  85 #define portCHAR        char\r
  86 #define portFLOAT       float\r
  87 #define portDOUBLE      double\r
  88 #define portLONG        long\r
  89 #define portSHORT       short\r
  90 #define portSTACK_TYPE  uint16_t\r
  91 #define portBASE_TYPE   short\r
  92 \r
  93 typedef portSTACK_TYPE StackType_t;\r
  94 typedef short BaseType_t;\r
  95 typedef unsigned short UBaseType_t;\r
  96 \r
  97 #if (configUSE_16_BIT_TICKS==1)\r
  98         typedef unsigned int TickType_t;\r
  99         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 100 #else\r
 101         typedef uint32_t TickType_t;\r
 102         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 103 #endif\r
 104 /*-----------------------------------------------------------*/\r
 105 \r
 106 /* Interrupt control macros. */\r
 107 #define portDISABLE_INTERRUPTS() __asm ( "DI" )\r
 108 #define portENABLE_INTERRUPTS()  __asm ( "EI" )\r
 109 /*-----------------------------------------------------------*/\r
 110 \r
 111 /* Critical section control macros. */\r
 112 #define portNO_CRITICAL_SECTION_NESTING         ( ( uint16_t ) 0 )\r
 113 \r
 114 #define portENTER_CRITICAL()                                                                                                    \\r
 115 {                                                                                                                                                               \\r
 116 extern volatile uint16_t usCriticalNesting;                                                     \\r
 117                                                                                                                                                                 \\r
 118         portDISABLE_INTERRUPTS();                                                                                                       \\r
 119                                                                                                                                                                 \\r
 120         /* Now interrupts are disabled ulCriticalNesting can be accessed */                     \\r
 121         /* directly.  Increment ulCriticalNesting to keep a count of how many */        \\r
 122         /* times portENTER_CRITICAL() has been called. */                                                       \\r
 123         usCriticalNesting++;                                                                                                            \\r
 124 }\r
 125 \r
 126 #define portEXIT_CRITICAL()                                                                                                             \\r
 127 {                                                                                                                                                               \\r
 128 extern volatile uint16_t usCriticalNesting;                                                     \\r
 129                                                                                                                                                                 \\r
 130         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                                       \\r
 131         {                                                                                                                                                       \\r
 132                 /* Decrement the nesting count as we are leaving a critical section. */ \\r
 133                 usCriticalNesting--;                                                                                                    \\r
 134                                                                                                                                                                 \\r
 135                 /* If the nesting level has reached zero then interrupts should be */   \\r
 136                 /* re-enabled. */                                                                                                               \\r
 137                 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )                              \\r
 138                 {                                                                                                                                               \\r
 139                         portENABLE_INTERRUPTS();                                                                                        \\r
 140                 }                                                                                                                                               \\r
 141         }                                                                                                                                                       \\r
 142 }\r
 143 /*-----------------------------------------------------------*/\r
 144 \r
 145 /* Task utilities. */\r
 146 extern void vPortStart( void );\r
 147 #define portYIELD()     __asm( "BRK" )\r
 148 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()\r
 149 #define portNOP()       __asm( "NOP" )\r
 150 /*-----------------------------------------------------------*/\r
 151 \r
 152 /* Hardwware specifics. */\r
 153 #define portBYTE_ALIGNMENT      2\r
 154 #define portSTACK_GROWTH        ( -1 )\r
 155 #define portTICK_RATE_MS        ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 156 /*-----------------------------------------------------------*/\r
 157 \r
 158 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 159 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 160 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 161 \r
 162 \r
 163 static __interrupt void P0_isr   (void);\r
 164 \r
 165 /* --------------------------------------------------------------------------*/\r
 166 /* Option-bytes and security ID                                              */\r
 167 /* --------------------------------------------------------------------------*/\r
 168 #define OPT_BYTES_SIZE     4\r
 169 #define SECU_ID_SIZE       10\r
 170 #define WATCHDOG_DISABLED  0x00\r
 171 #define LVI_ENABLED        0xFE\r
 172 #define LVI_DISABLED       0xFF\r
 173 #define RESERVED_FF        0xFF\r
 174 #define OCD_DISABLED       0x04\r
 175 #define OCD_ENABLED        0x81\r
 176 #define OCD_ENABLED_ERASE  0x80\r
 177 \r
 178 #ifdef __cplusplus\r
 179 }\r
 180 #endif\r
 181 \r
 182 #endif /* PORTMACRO_H */\r
 183 \r