begriffs open source - cmsis-freertos/blob - Source/portable/IAR/STR71x/portmacro.h

   1 /*
   2  * FreeRTOS Kernel V10.4.4
   3  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
   4  *
   5  * SPDX-License-Identifier: MIT
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy of
   8  * this software and associated documentation files (the "Software"), to deal in
   9  * the Software without restriction, including without limitation the rights to
  10  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  11  * the Software, and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in all
  15  * copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  19  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  20  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  21  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * https://www.FreeRTOS.org
  25  * https://github.com/FreeRTOS
  26  *
  27  */
  28
  29
  30 #ifndef PORTMACRO_H
  31 #define PORTMACRO_H
  32
  33 /*-----------------------------------------------------------
  34  * Port specific definitions.
  35  *
  36  * The settings in this file configure FreeRTOS correctly for the
  37  * given hardware and compiler.
  38  *
  39  * These settings should not be altered.
  40  *-----------------------------------------------------------
  41  */
  42
  43 #include <intrinsics.h>
  44
  45 #ifdef __cplusplus
  46 extern "C" {
  47 #endif
  48
  49
  50 /* Type definitions. */
  51 #define portCHAR                char
  52 #define portFLOAT               float
  53 #define portDOUBLE              double
  54 #define portLONG                long
  55 #define portSHORT               short
  56 #define portSTACK_TYPE  uint32_t
  57 #define portBASE_TYPE   long
  58
  59 typedef portSTACK_TYPE StackType_t;
  60 typedef long BaseType_t;
  61 typedef unsigned long UBaseType_t;
  62
  63
  64 #if( configUSE_16_BIT_TICKS == 1 )
  65         typedef uint16_t TickType_t;
  66         #define portMAX_DELAY ( TickType_t ) 0xffff
  67 #else
  68         typedef uint32_t TickType_t;
  69         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
  70 #endif
  71 /*-----------------------------------------------------------*/
  72
  73 /* Hardware specifics. */
  74 #define portSTACK_GROWTH                        ( -1 )
  75 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
  76 #define portBYTE_ALIGNMENT                      8
  77 #define portYIELD()                                     asm ( "SWI 0" )
  78 #define portNOP()                                       asm ( "NOP" )
  79 /*-----------------------------------------------------------*/
  80
  81 /* Critical section handling. */
  82 __arm __interwork void vPortDisableInterruptsFromThumb( void );
  83 __arm __interwork void vPortEnableInterruptsFromThumb( void );
  84 __arm __interwork void vPortEnterCritical( void );
  85 __arm __interwork void vPortExitCritical( void );
  86
  87 #define portDISABLE_INTERRUPTS()        __disable_interrupt()
  88 #define portENABLE_INTERRUPTS()         __enable_interrupt()
  89 #define portENTER_CRITICAL()            vPortEnterCritical()
  90 #define portEXIT_CRITICAL()                     vPortExitCritical()
  91 /*-----------------------------------------------------------*/
  92
  93 /* Task utilities. */
  94 #define portEND_SWITCHING_ISR( xSwitchRequired )        \
  95 {                                                                                                       \
  96 extern void vTaskSwitchContext( void );                         \
  97                                                                                                         \
  98         if( xSwitchRequired )                                                   \
  99         {                                                                                               \
 100                 vTaskSwitchContext();                                           \
 101         }                                                                                               \
 102 }
 103 /*-----------------------------------------------------------*/
 104
 105 /* EIC utilities. */
 106 #define portEIC_CICR_ADDR               *( ( uint32_t * ) 0xFFFFF804 )
 107 #define portEIC_IPR_ADDR                *( ( uint32_t * ) 0xFFFFF840 )
 108 #define portCLEAR_EIC()                 portEIC_IPR_ADDR = 0x01 << portEIC_CICR_ADDR
 109
 110 /*-----------------------------------------------------------*/
 111
 112 /* Task function macros as described on the FreeRTOS.org WEB site. */
 113 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
 114 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
 115
 116 #ifdef __cplusplus
 117 }
 118 #endif
 119
 120 #endif /* PORTMACRO_H */
 121
 122