2 FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.
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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 it under
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7 the terms of the GNU General Public License (version 2) as published by the
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8 Free Software Foundation and modified by the FreeRTOS exception.
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9 **NOTE** The exception to the GPL is included to allow you to distribute a
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10 combined work that includes FreeRTOS without being obliged to provide the
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11 source code for proprietary components outside of the FreeRTOS kernel.
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12 Alternative commercial license and support terms are also available upon
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13 request. See the licensing section of http://www.FreeRTOS.org for full
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16 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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21 You should have received a copy of the GNU General Public License along
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22 with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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23 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 ***************************************************************************
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28 * The FreeRTOS eBook and reference manual are available to purchase for a *
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29 * small fee. Help yourself get started quickly while also helping the *
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30 * FreeRTOS project! See http://www.FreeRTOS.org/Documentation for details *
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32 ***************************************************************************
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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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49 /*-----------------------------------------------------------
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50 * Simple parallel port IO routines.
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51 *-----------------------------------------------------------*/
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57 #include "FreeRTOS.h"
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59 #include "partest.h"
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63 #define partstPINS (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 Z | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7)
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65 #define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0x00 )
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66 #define partstMAX_OUTPUT_LED ( ( unsigned char ) 8 )
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68 static volatile unsigned char ucOutputValue = partstALL_OUTPUTS_OFF;
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70 void vParTestInitialise( void )
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73 PDCWrite( PDC_LED, ucOutputValue );
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75 /*-----------------------------------------------------------*/
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77 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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79 unsigned char ucBit = ( unsigned char ) 1;
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83 if( uxLED < partstMAX_OUTPUT_LED )
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85 ucBit = ( ( unsigned char ) 1 ) << uxLED;
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87 if( xValue == pdFALSE )
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89 ucBit ^= ( unsigned char ) 0xff;
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90 ucOutputValue &= ucBit;
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94 ucOutputValue |= ucBit;
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97 PDCWrite( PDC_LED, ucOutputValue );
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102 /*-----------------------------------------------------------*/
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104 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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106 unsigned char ucBit;
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110 if( uxLED < partstMAX_OUTPUT_LED )
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112 ucBit = ( ( unsigned char ) 1 ) << uxLED;
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114 if( ucOutputValue & ucBit )
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116 ucOutputValue &= ~ucBit;
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120 ucOutputValue |= ucBit;
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123 PDCWrite( PDC_LED, ucOutputValue );
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