2 FreeRTOS.org V4.7.2 - 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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28 Please ensure to read the configuration and relevant port sections of the
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29 online documentation.
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31 +++ http://www.FreeRTOS.org +++
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32 Documentation, latest information, license and contact details.
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34 +++ http://www.SafeRTOS.com +++
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35 A version that is certified for use in safety critical systems.
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37 +++ http://www.OpenRTOS.com +++
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38 Commercial support, development, porting, licensing and training services.
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40 ***************************************************************************
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43 /*-----------------------------------------------------------
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44 * Simple parallel port IO routines.
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45 *-----------------------------------------------------------*/
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47 /* FreeRTOS.org includes. */
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48 #include "FreeRTOS.h"
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50 #include "partest.h"
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52 #define partstMAX_OUTPUT_LED ( 2 )
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53 #define partstFIRST_LED GPIO_Pin_8
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55 static unsigned portSHORT usOutputValue = 0;
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57 /*-----------------------------------------------------------*/
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59 void vParTestInitialise( void )
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61 GPIO_InitTypeDef GPIO_InitStructure;
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63 /* Enable LED GPIO clock. */
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64 RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, ENABLE );
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66 /* Configure LED pins as output push-pull. */
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67 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 ;
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68 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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69 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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71 GPIO_Init( GPIOB, &GPIO_InitStructure );
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73 /*-----------------------------------------------------------*/
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75 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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77 unsigned portSHORT usBit;
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81 if( uxLED < partstMAX_OUTPUT_LED )
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83 usBit = partstFIRST_LED << uxLED;
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85 if( xValue == pdFALSE )
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87 usBit ^= ( unsigned portSHORT ) 0xffff;
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88 usOutputValue &= usBit;
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92 usOutputValue |= usBit;
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95 GPIO_Write( GPIOB, usOutputValue );
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100 /*-----------------------------------------------------------*/
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102 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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104 unsigned portSHORT usBit;
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108 if( uxLED < partstMAX_OUTPUT_LED )
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110 usBit = partstFIRST_LED << uxLED;
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112 if( usOutputValue & usBit )
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114 usOutputValue &= ~usBit;
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118 usOutputValue |= usBit;
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121 GPIO_Write( GPIOB, usOutputValue );
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126 /*-----------------------------------------------------------*/
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