2 FreeRTOS.org V4.1.1 - Copyright (C) 2003-2006 Richard Barry.
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4 This file is part of the FreeRTOS distribution.
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6 FreeRTOS 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 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; 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, 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 See http://www.FreeRTOS.org for documentation, latest information, license
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28 and contact details. Please ensure to read the configuration and relevant
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29 port sections of the online documentation.
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30 ***************************************************************************
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37 /*-----------------------------------------------------------
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38 * Port specific definitions.
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40 * The settings in this file configure FreeRTOS correctly for the
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41 * given hardware and compiler.
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43 * These settings should not be altered.
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44 *-----------------------------------------------------------
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47 #include <intrinsic.h>
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49 /* Type definitions. */
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50 #define portCHAR char
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51 #define portFLOAT float
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52 #define portDOUBLE double
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53 #define portLONG long
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54 #define portSHORT short
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55 #define portSTACK_TYPE unsigned portLONG
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56 #define portBASE_TYPE portLONG
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58 #if( configUSE_16_BIT_TICKS == 1 )
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59 typedef unsigned portSHORT portTickType;
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60 #define portMAX_DELAY ( portTickType ) 0xffff
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62 typedef unsigned portLONG portTickType;
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63 #define portMAX_DELAY ( portTickType ) 0xffffffff
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65 /*-----------------------------------------------------------*/
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67 /* Hardware specifics. */
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68 #define portSTACK_GROWTH ( -1 )
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69 #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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70 #define portBYTE_ALIGNMENT 4
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71 #define portYIELD() asm ( "SWI 0" )
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72 #define portNOP() asm ( "NOP" )
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73 /*-----------------------------------------------------------*/
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75 /* Critical section handling. */
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76 __arm __interwork void vPortEnterCritical( void );
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77 __arm __interwork void vPortExitCritical( void );
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78 #define portENTER_CRITICAL() vPortEnterCritical()
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79 #define portEXIT_CRITICAL() vPortExitCritical()
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81 #define portDISABLE_INTERRUPTS() __disable_interrupt()
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82 #define portENABLE_INTERRUPTS() __enable_interrupt()
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85 /*-----------------------------------------------------------*/
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87 /* Task utilities. */
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88 #define portEND_SWITCHING_ISR( xSwitchRequired ) \
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90 extern void vTaskSwitchContext( void ); \
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92 if( xSwitchRequired ) \
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94 vTaskSwitchContext(); \
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97 /*-----------------------------------------------------------*/
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99 /* Compiler specifics */
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102 /* Task function macros as described on the FreeRTOS.org WEB site. */
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103 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
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104 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
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106 #endif /* PORTMACRO_H */
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