2 FreeRTOS V6.0.2 - Copyright (C) 2009 Real Time Engineers Ltd.
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4 ***************************************************************************
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8 * + New to FreeRTOS, *
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9 * + Wanting to learn FreeRTOS or multitasking in general quickly *
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10 * + Looking for basic training, *
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11 * + Wanting to improve your FreeRTOS skills and productivity *
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13 * then take a look at the FreeRTOS eBook *
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15 * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
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16 * http://www.FreeRTOS.org/Documentation *
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18 * A pdf reference manual is also available. Both are usually delivered *
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19 * to your inbox within 20 minutes to two hours when purchased between 8am *
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20 * and 8pm GMT (although please allow up to 24 hours in case of *
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21 * exceptional circumstances). Thank you for your support! *
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23 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 ***NOTE*** The exception to the GPL is included to allow you to distribute
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31 a combined work that includes FreeRTOS without being obliged to provide the
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32 source code for proprietary components outside of the FreeRTOS kernel.
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33 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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34 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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35 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 http://www.FreeRTOS.org - Documentation, latest information, license and
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47 http://www.SafeRTOS.com - A version that is certified for use in safety
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50 http://www.OpenRTOS.com - Commercial support, development, porting,
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51 licensing and training services.
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58 #include <machine.h>
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64 /*-----------------------------------------------------------
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65 * Port specific definitions.
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67 * The settings in this file configure FreeRTOS correctly for the
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68 * given hardware and compiler.
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70 * These settings should not be altered.
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71 *-----------------------------------------------------------
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74 /* Type definitions. */
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75 #define portCHAR char
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76 #define portFLOAT float
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77 #define portDOUBLE double
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78 #define portLONG long
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79 #define portSHORT short
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80 #define portSTACK_TYPE unsigned portLONG
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81 #define portBASE_TYPE long
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83 #if( configUSE_16_BIT_TICKS == 1 )
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84 typedef unsigned portSHORT portTickType;
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85 #define portMAX_DELAY ( portTickType ) 0xffff
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87 typedef unsigned portLONG portTickType;
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88 #define portMAX_DELAY ( portTickType ) 0xffffffff
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90 /*-----------------------------------------------------------*/
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92 /* Hardware specifics. */
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93 #define portBYTE_ALIGNMENT 4
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94 #define portSTACK_GROWTH -1
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95 #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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96 #define portNOP() nop()
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97 #define portSTART_SCHEDULER_TRAP_NO ( 32 )
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98 #define portYIELD_TRAP_NO ( 33 )
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99 #define portKERNEL_INTERRUPT_PRIORITY ( 1 )
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101 void vPortYield( void );
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102 #define portYIELD() vPortYield()
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104 portBASE_TYPE xPortUsesFloatingPoint( void* xTask );
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105 void vPortSaveFlopRegisters( void *pulBuffer );
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106 void vPortRestoreFlopRegisters( void *pulBuffer );
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107 #define traceTASK_SWITCHED_OUT() if( pxCurrentTCB->pxTaskTag != NULL ) vPortSaveFlopRegisters( pxCurrentTCB->pxTaskTag )
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108 #define traceTASK_SWITCHED_IN() if( pxCurrentTCB->pxTaskTag != NULL ) vPortRestoreFlopRegisters( pxCurrentTCB->pxTaskTag )
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110 /*-----------------------------------------------------------*/
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112 #define portENABLE_INTERRUPTS() set_imask( 0x00 )
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113 #define portDISABLE_INTERRUPTS() set_imask( portKERNEL_INTERRUPT_PRIORITY )
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115 /* Critical section handling. */
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116 #define portCRITICAL_NESTING_IN_TCB ( 1 )
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117 extern void vTaskEnterCritical( void );
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118 extern void vTaskExitCritical( void );
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119 #define portENTER_CRITICAL() vTaskEnterCritical();
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120 #define portEXIT_CRITICAL() vTaskExitCritical();
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122 /*-----------------------------------------------------------*/
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124 /* Task function macros as described on the FreeRTOS.org WEB site. */
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125 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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126 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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132 #endif /* PORTMACRO_H */
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