2 FreeRTOS.org V4.2.0 - Copyright (C) 2003-2007 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 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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36 /*-----------------------------------------------------------
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37 * Port specific definitions.
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39 * The settings in this file configure FreeRTOS correctly for the
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40 * given hardware and compiler.
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42 * These settings should not be altered.
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43 *-----------------------------------------------------------
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46 /* Type definitions. */
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47 #define portCHAR char
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48 #define portFLOAT float
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49 #define portDOUBLE long
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50 #define portLONG long
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51 #define portSHORT int
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52 #define portSTACK_TYPE unsigned portSHORT
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53 #define portBASE_TYPE portSHORT
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55 #if( configUSE_16_BIT_TICKS == 1 )
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56 typedef unsigned portSHORT portTickType;
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57 #define portMAX_DELAY ( portTickType ) 0xffff
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59 typedef unsigned portLONG portTickType;
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60 #define portMAX_DELAY ( portTickType ) 0xffffffff
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62 /*-----------------------------------------------------------*/
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64 /* Critical section handling. */
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65 #define portENTER_CRITICAL() __asm{ pushf } \
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68 #define portEXIT_CRITICAL() __asm{ popf }
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70 #define portDISABLE_INTERRUPTS() __asm{ cli }
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72 #define portENABLE_INTERRUPTS() __asm{ sti }
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73 /*-----------------------------------------------------------*/
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75 /* Hardware specifics. */
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76 #define portNOP() __asm{ nop }
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77 #define portSTACK_GROWTH ( -1 )
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78 #define portSWITCH_INT_NUMBER 0x80
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79 #define portYIELD() __asm{ int portSWITCH_INT_NUMBER }
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80 #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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81 #define portBYTE_ALIGNMENT 2
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82 #define portINITIAL_SW ( ( portSTACK_TYPE ) 0x0202 ) /* Start the tasks with interrupts enabled. */
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83 /*-----------------------------------------------------------*/
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85 /* Compiler specifics. */
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86 #define portINPUT_BYTE( xAddr ) inp( xAddr )
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87 #define portOUTPUT_BYTE( xAddr, ucValue ) outp( xAddr, ucValue )
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88 #define portINPUT_WORD( xAddr ) inpw( xAddr )
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89 #define portOUTPUT_WORD( xAddr, usValue ) outpw( xAddr, usValue )
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91 /*-----------------------------------------------------------*/
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93 /* Task function macros as described on the FreeRTOS.org WEB site. */
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94 #define portTASK_FUNCTION_PROTO( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
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95 #define portTASK_FUNCTION( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
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97 #endif /* PORTMACRO_H */
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