begriffs open source - cmsis-freertos/blob - Source/portable/IAR/78K0R/portmacro.h

   1 /*
   2  * FreeRTOS Kernel V11.2.0
   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 #ifndef PORTMACRO_H
  30 #define PORTMACRO_H
  31
  32 /* *INDENT-OFF* */
  33 #ifdef __cplusplus
  34     extern "C" {
  35 #endif
  36 /* *INDENT-ON* */
  37
  38 /*-----------------------------------------------------------
  39  * Port specific definitions.
  40  *
  41  * The settings in this file configure FreeRTOS correctly for the
  42  * given hardware and compiler.
  43  *
  44  * These settings should not be altered.
  45  *-----------------------------------------------------------
  46  */
  47
  48 /* Type definitions. */
  49
  50 #define portCHAR          char
  51 #define portFLOAT         float
  52 #define portDOUBLE        double
  53 #define portLONG          long
  54 #define portSHORT         short
  55 #define portSTACK_TYPE    uint16_t
  56 #define portBASE_TYPE     short
  57
  58 typedef portSTACK_TYPE     StackType_t;
  59 typedef short              BaseType_t;
  60 typedef unsigned short     UBaseType_t;
  61
  62 #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
  63     typedef unsigned int   TickType_t;
  64     #define portMAX_DELAY    ( TickType_t ) 0xffff
  65 #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
  66     typedef uint32_t       TickType_t;
  67     #define portMAX_DELAY    ( TickType_t ) ( 0xFFFFFFFFUL )
  68 #else
  69     #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
  70 #endif
  71 /*-----------------------------------------------------------*/
  72
  73 /* Interrupt control macros. */
  74 #define portDISABLE_INTERRUPTS()    __asm( "DI" )
  75 #define portENABLE_INTERRUPTS()     __asm( "EI" )
  76 /*-----------------------------------------------------------*/
  77
  78 /* Critical section control macros. */
  79 #define portNO_CRITICAL_SECTION_NESTING    ( ( uint16_t ) 0 )
  80
  81 #define portENTER_CRITICAL()                                                      \
  82     {                                                                             \
  83         extern volatile uint16_t usCriticalNesting;                               \
  84                                                                                   \
  85         portDISABLE_INTERRUPTS();                                                 \
  86                                                                                   \
  87         /* Now that interrupts are disabled, ulCriticalNesting can be accessed */ \
  88         /* directly.  Increment ulCriticalNesting to keep a count of how many */  \
  89         /* times portENTER_CRITICAL() has been called. */                         \
  90         usCriticalNesting++;                                                      \
  91     }
  92
  93 #define portEXIT_CRITICAL()                                                         \
  94     {                                                                               \
  95         extern volatile uint16_t usCriticalNesting;                                 \
  96                                                                                     \
  97         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                   \
  98         {                                                                           \
  99             /* Decrement the nesting count as we are leaving a critical section. */ \
 100             usCriticalNesting--;                                                    \
 101                                                                                     \
 102             /* If the nesting level has reached zero then interrupts should be */   \
 103             /* re-enabled. */                                                       \
 104             if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )              \
 105             {                                                                       \
 106                 portENABLE_INTERRUPTS();                                            \
 107             }                                                                       \
 108         }                                                                           \
 109     }
 110 /*-----------------------------------------------------------*/
 111
 112 /* Task utilities. */
 113 extern void vPortStart( void );
 114 #define portYIELD()                                       __asm( "BRK" )
 115 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken )    do { if( xHigherPriorityTaskWoken ) vTaskSwitchContext( ); } while( 0 )
 116 #define portNOP()                                         __asm( "NOP" )
 117 /*-----------------------------------------------------------*/
 118
 119 /* Hardware specifics. */
 120 #define portBYTE_ALIGNMENT    2
 121 #define portSTACK_GROWTH      ( -1 )
 122 #define portTICK_PERIOD_MS    ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
 123 /*-----------------------------------------------------------*/
 124
 125 /* Task function macros as described on the FreeRTOS.org WEB site. */
 126 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters )    void vFunction( void * pvParameters )
 127 #define portTASK_FUNCTION( vFunction, pvParameters )          void vFunction( void * pvParameters )
 128
 129
 130 static __interrupt void P0_isr( void );
 131
 132 /* --------------------------------------------------------------------------*/
 133 /* Option-bytes and security ID                                              */
 134 /* --------------------------------------------------------------------------*/
 135 #define OPT_BYTES_SIZE       4
 136 #define SECU_ID_SIZE         10
 137 #define WATCHDOG_DISABLED    0x00
 138 #define LVI_ENABLED          0xFE
 139 #define LVI_DISABLED         0xFF
 140 #define RESERVED_FF          0xFF
 141 #define OCD_DISABLED         0x04
 142 #define OCD_ENABLED          0x81
 143 #define OCD_ENABLED_ERASE    0x80
 144
 145 /* *INDENT-OFF* */
 146 #ifdef __cplusplus
 147     }
 148 #endif
 149 /* *INDENT-ON* */
 150
 151 #endif /* PORTMACRO_H */