begriffs open source - freertos/blob - portable/GCC/RL78/portmacro.h

   1 /*\r
   2  * FreeRTOS Kernel V10.3.1\r
   3  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.\r
   4  *\r
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
   6  * this software and associated documentation files (the "Software"), to deal in\r
   7  * the Software without restriction, including without limitation the rights to\r
   8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
   9  * the Software, and to permit persons to whom the Software is furnished to do so,\r
  10  * subject to the following conditions:\r
  11  *\r
  12  * The above copyright notice and this permission notice shall be included in all\r
  13  * copies or substantial portions of the Software.\r
  14  *\r
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
  17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
  18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
  19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  21  *\r
  22  * http://www.FreeRTOS.org\r
  23  * http://aws.amazon.com/freertos\r
  24  *\r
  25  * 1 tab == 4 spaces!\r
  26  */\r
  27 \r
  28 #ifndef PORTMACRO_H\r
  29 #define PORTMACRO_H\r
  30 \r
  31 /*-----------------------------------------------------------\r
  32  * Port specific definitions.\r
  33  *\r
  34  * The settings in this file configure FreeRTOS correctly for the\r
  35  * given hardware and compiler.\r
  36  *\r
  37  * These settings should not be altered.\r
  38  *-----------------------------------------------------------\r
  39  */\r
  40 \r
  41 /* Type definitions. */\r
  42 \r
  43 #define portCHAR        char\r
  44 #define portFLOAT       float\r
  45 #define portDOUBLE      double\r
  46 #define portLONG        long\r
  47 #define portSHORT       short\r
  48 #define portSTACK_TYPE  uint16_t\r
  49 #define portBASE_TYPE   short\r
  50 #define portPOINTER_SIZE_TYPE uint16_t\r
  51 \r
  52 typedef portSTACK_TYPE StackType_t;\r
  53 typedef short BaseType_t;\r
  54 typedef unsigned short UBaseType_t;\r
  55 \r
  56 #if( configUSE_16_BIT_TICKS == 1 )\r
  57         typedef uint16_t TickType_t;\r
  58         #define portMAX_DELAY ( TickType_t ) 0xffff\r
  59 #else\r
  60         typedef uint32_t TickType_t;\r
  61         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
  62 #endif\r
  63 /*-----------------------------------------------------------*/\r
  64 \r
  65 /* Interrupt control macros. */\r
  66 #define portDISABLE_INTERRUPTS() __asm volatile ( "DI" )\r
  67 #define portENABLE_INTERRUPTS()  __asm volatile ( "EI" )\r
  68 /*-----------------------------------------------------------*/\r
  69 \r
  70 /* Critical section control macros. */\r
  71 #define portNO_CRITICAL_SECTION_NESTING         ( ( unsigned short ) 0 )\r
  72 \r
  73 #define portENTER_CRITICAL()                                                                                                    \\r
  74 {                                                                                                                                                               \\r
  75 extern volatile uint16_t usCriticalNesting;                                                                             \\r
  76                                                                                                                                                                 \\r
  77         portDISABLE_INTERRUPTS();                                                                                                       \\r
  78                                                                                                                                                                 \\r
  79         /* Now interrupts are disabled ulCriticalNesting can be accessed */                     \\r
  80         /* directly.  Increment ulCriticalNesting to keep a count of how many */        \\r
  81         /* times portENTER_CRITICAL() has been called. */                                                       \\r
  82         usCriticalNesting++;                                                                                                            \\r
  83 }\r
  84 \r
  85 #define portEXIT_CRITICAL()                                                                                                             \\r
  86 {                                                                                                                                                               \\r
  87 extern volatile uint16_t usCriticalNesting;                                                                             \\r
  88                                                                                                                                                                 \\r
  89         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                                       \\r
  90         {                                                                                                                                                       \\r
  91                 /* Decrement the nesting count as we are leaving a critical section. */ \\r
  92                 usCriticalNesting--;                                                                                                    \\r
  93                                                                                                                                                                 \\r
  94                 /* If the nesting level has reached zero then interrupts should be */   \\r
  95                 /* re-enabled. */                                                                                                               \\r
  96                 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )                              \\r
  97                 {                                                                                                                                               \\r
  98                         portENABLE_INTERRUPTS();                                                                                        \\r
  99                 }                                                                                                                                               \\r
 100         }                                                                                                                                                       \\r
 101 }\r
 102 /*-----------------------------------------------------------*/\r
 103 \r
 104 /* Task utilities. */\r
 105 #define portYIELD()     __asm volatile ( "BRK" )\r
 106 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()\r
 107 #define portNOP()       __asm volatile ( "NOP" )\r
 108 /*-----------------------------------------------------------*/\r
 109 \r
 110 /* Hardwware specifics. */\r
 111 #define portBYTE_ALIGNMENT      2\r
 112 #define portSTACK_GROWTH        ( -1 )\r
 113 #define portTICK_PERIOD_MS      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 114 /*-----------------------------------------------------------*/\r
 115 \r
 116 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 117 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 118 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 119 \r
 120 #endif /* PORTMACRO_H */\r
 121 \r