git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/GCC/MSP430F449/portmacro.h

   1 /*\r
   2     FreeRTOS V9.0.0rc2 - Copyright (C) 2016 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
  26      *                                                                       *\r
  27      *    FreeRTOS provides completely free yet professionally developed,    *\r
  28      *    robust, strictly quality controlled, supported, and cross          *\r
  29      *    platform software that is more than just the market leader, it     *\r
  30      *    is the industry's de facto standard.                               *\r
  31      *                                                                       *\r
  32      *    Help yourself get started quickly while simultaneously helping     *\r
  33      *    to support the FreeRTOS project by purchasing a FreeRTOS           *\r
  34      *    tutorial book, reference manual, or both:                          *\r
  35      *    http://www.FreeRTOS.org/Documentation                              *\r
  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
  43     http://www.FreeRTOS.org/support - In return for receiving this top quality\r
  44     embedded software for free we request you assist our global community by\r
  45     participating in the support forum.\r
  46 \r
  47     http://www.FreeRTOS.org/training - Investing in training allows your team to\r
  48     be as productive as possible as early as possible.  Now you can receive\r
  49     FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
  50     Ltd, and the world's leading authority on the world's leading RTOS.\r
  51 \r
  52     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  53     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  54     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  55 \r
  56     http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
  57     Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
  58 \r
  59     http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
  60     Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  61     licenses offer ticketed support, indemnification and commercial middleware.\r
  62 \r
  63     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  64     engineered and independently SIL3 certified version for use in safety and\r
  65     mission critical applications that require provable dependability.\r
  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 /* Type definitions. */\r
  88 #define portCHAR                char\r
  89 #define portFLOAT               float\r
  90 #define portDOUBLE              double\r
  91 #define portLONG                long\r
  92 #define portSHORT               int\r
  93 #define portSTACK_TYPE  uint16_t\r
  94 #define portBASE_TYPE   short\r
  95 \r
  96 typedef portSTACK_TYPE StackType_t;\r
  97 typedef short BaseType_t;\r
  98 typedef unsigned short UBaseType_t;\r
  99 \r
 100 #if( configUSE_16_BIT_TICKS == 1 )\r
 101         typedef uint16_t TickType_t;\r
 102         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 103 #else\r
 104         typedef uint32_t TickType_t;\r
 105         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 106 #endif\r
 107 /*-----------------------------------------------------------*/\r
 108 \r
 109 /* Interrupt control macros. */\r
 110 #define portDISABLE_INTERRUPTS()        asm volatile ( "DINT" ); asm volatile ( "NOP" )\r
 111 #define portENABLE_INTERRUPTS()         asm volatile ( "EINT" ); asm volatile ( "NOP" )\r
 112 /*-----------------------------------------------------------*/\r
 113 \r
 114 /* Critical section control macros. */\r
 115 #define portNO_CRITICAL_SECTION_NESTING         ( ( uint16_t ) 0 )\r
 116 \r
 117 #define portENTER_CRITICAL()                                                                                                    \\r
 118 {                                                                                                                                                               \\r
 119 extern volatile uint16_t usCriticalNesting;                                                     \\r
 120                                                                                                                                                                 \\r
 121         portDISABLE_INTERRUPTS();                                                                                                       \\r
 122                                                                                                                                                                 \\r
 123         /* Now interrupts are disabled ulCriticalNesting can be accessed */                     \\r
 124         /* directly.  Increment ulCriticalNesting to keep a count of how many */        \\r
 125         /* times portENTER_CRITICAL() has been called. */                                                       \\r
 126         usCriticalNesting++;                                                                                                            \\r
 127 }\r
 128 \r
 129 #define portEXIT_CRITICAL()                                                                                                             \\r
 130 {                                                                                                                                                               \\r
 131 extern volatile uint16_t usCriticalNesting;                                                     \\r
 132                                                                                                                                                                 \\r
 133         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                                       \\r
 134         {                                                                                                                                                       \\r
 135                 /* Decrement the nesting count as we are leaving a critical section. */ \\r
 136                 usCriticalNesting--;                                                                                                    \\r
 137                                                                                                                                                                 \\r
 138                 /* If the nesting level has reached zero then interrupts should be */   \\r
 139                 /* re-enabled. */                                                                                                               \\r
 140                 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )                              \\r
 141                 {                                                                                                                                               \\r
 142                         portENABLE_INTERRUPTS();                                                                                        \\r
 143                 }                                                                                                                                               \\r
 144         }                                                                                                                                                       \\r
 145 }\r
 146 /*-----------------------------------------------------------*/\r
 147 \r
 148 /* Task utilities. */\r
 149 extern void vPortYield( void ) __attribute__ ( ( naked ) );\r
 150 #define portYIELD()                     vPortYield()\r
 151 #define portNOP()                       asm volatile ( "NOP" )\r
 152 /*-----------------------------------------------------------*/\r
 153 \r
 154 /* Hardwware specifics. */\r
 155 #define portBYTE_ALIGNMENT                      2\r
 156 #define portSTACK_GROWTH                        ( -1 )\r
 157 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 158 /*-----------------------------------------------------------*/\r
 159 \r
 160 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 161 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 162 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 163 \r
 164 #ifdef __cplusplus\r
 165 }\r
 166 #endif\r
 167 \r
 168 #endif /* PORTMACRO_H */\r
 169 \r