begriffs open source - cmsis-freertos/blob - Source/portable/IAR/LPC2000/portmacro.h

   1 /*
   2     FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
   3     All rights reserved
   4
   5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
   6
   7     This file is part of the FreeRTOS distribution.
   8
   9     FreeRTOS is free software; you can redistribute it and/or modify it under
  10     the terms of the GNU General Public License (version 2) as published by the
  11     Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
  12
  13     ***************************************************************************
  14     >>!   NOTE: The modification to the GPL is included to allow you to     !<<
  15     >>!   distribute a combined work that includes FreeRTOS without being   !<<
  16     >>!   obliged to provide the source code for proprietary components     !<<
  17     >>!   outside of the FreeRTOS kernel.                                   !<<
  18     ***************************************************************************
  19
  20     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
  21     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  22     FOR A PARTICULAR PURPOSE.  Full license text is available on the following
  23     link: http://www.freertos.org/a00114.html
  24
  25     ***************************************************************************
  26      *                                                                       *
  27      *    FreeRTOS provides completely free yet professionally developed,    *
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  30      *    is the industry's de facto standard.                               *
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  35      *    http://www.FreeRTOS.org/Documentation                              *
  36      *                                                                       *
  37     ***************************************************************************
  38
  39     http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading
  40     the FAQ page "My application does not run, what could be wrong?".  Have you
  41     defined configASSERT()?
  42
  43     http://www.FreeRTOS.org/support - In return for receiving this top quality
  44     embedded software for free we request you assist our global community by
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  46
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  48     be as productive as possible as early as possible.  Now you can receive
  49     FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
  50     Ltd, and the world's leading authority on the world's leading RTOS.
  51
  52     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
  53     including FreeRTOS+Trace - an indispensable productivity tool, a DOS
  54     compatible FAT file system, and our tiny thread aware UDP/IP stack.
  55
  56     http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
  57     Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
  58
  59     http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
  60     Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS
  61     licenses offer ticketed support, indemnification and commercial middleware.
  62
  63     http://www.SafeRTOS.com - High Integrity Systems also provide a safety
  64     engineered and independently SIL3 certified version for use in safety and
  65     mission critical applications that require provable dependability.
  66
  67     1 tab == 4 spaces!
  68 */
  69
  70
  71 #ifndef PORTMACRO_H
  72 #define PORTMACRO_H
  73
  74 #include <intrinsics.h>
  75
  76 #ifdef __cplusplus
  77 extern "C" {
  78 #endif
  79
  80 /*-----------------------------------------------------------
  81  * Port specific definitions.
  82  *
  83  * The settings in this file configure FreeRTOS correctly for the
  84  * given hardware and compiler.
  85  *
  86  * These settings should not be altered.
  87  *-----------------------------------------------------------
  88  */
  89
  90 /* Type definitions. */
  91 #define portCHAR                char
  92 #define portFLOAT               float
  93 #define portDOUBLE              double
  94 #define portLONG                long
  95 #define portSHORT               short
  96 #define portSTACK_TYPE  uint32_t
  97 #define portBASE_TYPE   long
  98
  99 typedef portSTACK_TYPE StackType_t;
 100 typedef long BaseType_t;
 101 typedef unsigned long UBaseType_t;
 102
 103
 104 #if( configUSE_16_BIT_TICKS == 1 )
 105         typedef uint16_t TickType_t;
 106         #define portMAX_DELAY ( TickType_t ) 0xffff
 107 #else
 108         typedef uint32_t TickType_t;
 109         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
 110 #endif
 111 /*-----------------------------------------------------------*/
 112
 113 /* Hardware specifics. */
 114 #define portSTACK_GROWTH                        ( -1 )
 115 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
 116 #define portBYTE_ALIGNMENT                      8
 117 #define portYIELD()                                     asm ( "SWI 0" )
 118 #define portNOP()                                       asm ( "NOP" )
 119 /*-----------------------------------------------------------*/
 120
 121 /* Critical section handling. */
 122 __arm __interwork void vPortDisableInterruptsFromThumb( void );
 123 __arm __interwork void vPortEnableInterruptsFromThumb( void );
 124 __arm __interwork void vPortEnterCritical( void );
 125 __arm __interwork void vPortExitCritical( void );
 126
 127 #define portDISABLE_INTERRUPTS()        __disable_interrupt()
 128 #define portENABLE_INTERRUPTS()         __enable_interrupt()
 129 #define portENTER_CRITICAL()            vPortEnterCritical()
 130 #define portEXIT_CRITICAL()                     vPortExitCritical()
 131 /*-----------------------------------------------------------*/
 132
 133 /* Task utilities. */
 134 #define portEND_SWITCHING_ISR( xSwitchRequired )        \
 135 {                                                                                                       \
 136 extern void vTaskSwitchContext( void );                         \
 137                                                                                                         \
 138         if( xSwitchRequired )                                                   \
 139         {                                                                                               \
 140                 vTaskSwitchContext();                                           \
 141         }                                                                                               \
 142 }
 143 /*-----------------------------------------------------------*/
 144
 145 /* Task function macros as described on the FreeRTOS.org WEB site. */
 146 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
 147 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
 148
 149 #ifdef __cplusplus
 150 }
 151 #endif
 152
 153 #endif /* PORTMACRO_H */
 154
 155