2 FreeRTOS.org V4.8.0 - Copyright (C) 2003-2008 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 FreeRTOS.org is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with FreeRTOS.org; if not, write to the Free Software
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 A special exception to the GPL can be applied should you wish to distribute
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21 a combined work that includes FreeRTOS.org, without being obliged to provide
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22 the source code for any proprietary components. See the licensing section
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23 of http://www.FreeRTOS.org for full details of how and when the exception
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26 ***************************************************************************
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27 ***************************************************************************
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29 * SAVE TIME AND MONEY! Why not get us to quote to get FreeRTOS.org *
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30 * running on your hardware - or even write all or part of your application*
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31 * for you? See http://www.OpenRTOS.com for details. *
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33 ***************************************************************************
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34 ***************************************************************************
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36 Please ensure to read the configuration and relevant port sections of the
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37 online documentation.
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39 http://www.FreeRTOS.org - Documentation, latest information, license and
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42 http://www.SafeRTOS.com - A version that is certified for use in safety
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45 http://www.OpenRTOS.com - Commercial support, development, porting,
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46 licensing and training services.
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56 /*-----------------------------------------------------------
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57 * Port specific definitions.
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59 * The settings in this file configure FreeRTOS correctly for the
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60 * given hardware and compiler.
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62 * These settings should not be altered.
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63 *-----------------------------------------------------------
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66 /* Type definitions. */
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67 #define portCHAR char
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68 #define portFLOAT float
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69 #define portDOUBLE double
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70 #define portLONG long
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71 #define portSHORT int
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72 #define portSTACK_TYPE unsigned portSHORT
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73 #define portBASE_TYPE portSHORT
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75 #if( configUSE_16_BIT_TICKS == 1 )
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76 typedef unsigned portSHORT portTickType;
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77 #define portMAX_DELAY ( portTickType ) 0xffff
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79 typedef unsigned portLONG portTickType;
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80 #define portMAX_DELAY ( portTickType ) 0xffffffff
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82 /*-----------------------------------------------------------*/
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84 /* Critical section definitions. */
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85 void portENTER_CRITICAL( void );
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86 #pragma aux portENTER_CRITICAL = "pushf" \
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88 void portEXIT_CRITICAL( void );
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89 #pragma aux portEXIT_CRITICAL = "popf";
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91 void portDISABLE_INTERRUPTS( void );
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92 #pragma aux portDISABLE_INTERRUPTS = "cli";
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94 void portENABLE_INTERRUPTS( void );
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95 #pragma aux portENABLE_INTERRUPTS = "sti";
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96 /*-----------------------------------------------------------*/
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98 /* Architecture specifics. */
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99 #define portSTACK_GROWTH ( -1 )
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100 #define portSWITCH_INT_NUMBER 0x80
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101 #define portYIELD() __asm{ int portSWITCH_INT_NUMBER }
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102 #define portDOS_TICK_RATE ( 18.20648 )
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103 #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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104 #define portTICKS_PER_DOS_TICK ( ( unsigned portSHORT ) ( ( ( portDOUBLE ) configTICK_RATE_HZ / portDOS_TICK_RATE ) + 0.5 ) )
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105 #define portINITIAL_SW ( ( portSTACK_TYPE ) 0x0202 ) /* Start the tasks with interrupts enabled. */
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106 /*-----------------------------------------------------------*/
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108 /* Compiler specifics. */
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109 #define portINPUT_BYTE( xAddr ) inp( xAddr )
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110 #define portOUTPUT_BYTE( xAddr, ucValue ) outp( xAddr, ucValue )
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112 #define portNOP() __asm{ nop }
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113 /*-----------------------------------------------------------*/
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115 /* Task function macros as described on the FreeRTOS.org WEB site. */
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116 #define portTASK_FUNCTION_PROTO( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )
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117 #define portTASK_FUNCTION( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )
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124 #endif /* PORTMACRO_H */
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