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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46 + All LED's are turned off to start.
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50 #include "FreeRTOS.h"
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51 #include "partest.h"
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53 #define partstFIRST_IO ( ( unsigned portLONG ) 0x400 )
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54 #define partstNUM_LEDS ( 4 )
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55 #define partstALL_OUTPUTS_OFF ( ( unsigned portLONG ) 0xffffffff )
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57 /*-----------------------------------------------------------
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58 * Simple parallel port IO routines.
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59 *-----------------------------------------------------------*/
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61 void vParTestInitialise( void )
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63 /* This is performed from main() as the io bits are shared with other setup
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66 /* Turn all outputs off. */
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67 GPIO_IOSET = partstALL_OUTPUTS_OFF;
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69 /*-----------------------------------------------------------*/
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71 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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73 unsigned portLONG ulLED = partstFIRST_IO;
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75 if( uxLED < partstNUM_LEDS )
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77 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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79 ulLED <<= ( unsigned portLONG ) uxLED;
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81 /* Set of clear the output. */
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88 GPIO_IOSET = ulLED;
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92 /*-----------------------------------------------------------*/
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94 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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96 unsigned portLONG ulLED = partstFIRST_IO, ulCurrentState;
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98 if( uxLED < partstNUM_LEDS )
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100 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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102 ulLED <<= ( unsigned portLONG ) uxLED;
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104 /* If this bit is already set, clear it, and visa versa. */
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105 ulCurrentState = GPIO0_IOPIN;
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106 if( ulCurrentState & ulLED )
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108 GPIO_IOCLR = ulLED;
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112 GPIO_IOSET = ulLED;
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