2 FreeRTOS.org V5.1.1 - 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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27 ***************************************************************************
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29 * SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
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30 * and even write all or part of your application on your behalf. *
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31 * See http://www.OpenRTOS.com for details of the services we provide to *
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32 * expedite your project. *
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34 ***************************************************************************
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35 ***************************************************************************
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37 Please ensure to read the configuration and relevant port sections of the
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38 online documentation.
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40 http://www.FreeRTOS.org - Documentation, latest information, license and
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43 http://www.SafeRTOS.com - A version that is certified for use in safety
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46 http://www.OpenRTOS.com - Commercial support, development, porting,
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47 licensing and training services.
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50 /*-----------------------------------------------------------
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51 * Simple parallel port IO routines.
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52 *-----------------------------------------------------------*/
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54 /* FreeRTOS includes. */
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55 #include "FreeRTOS.h"
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58 /* Demo includes. */
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59 #include "partest.h"
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61 #define partstNUM_LEDs 4
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63 #define LED0_MASK ( ( unsigned short ) 0x08 )
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64 #define LED1_MASK ( ( unsigned short ) 0x10 )
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65 #define LED2_MASK ( ( unsigned short ) 0x40 )
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66 #define LED3_MASK ( ( unsigned short ) 0x80 )
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68 static const unsigned short xLEDs[ partstNUM_LEDs ] = { LED0_MASK, LED1_MASK, LED2_MASK, LED3_MASK };
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72 void vParTestInitialise( void )
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74 /* Set GPIO to output. */
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75 PM3 &= ~( LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK );
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77 /*-----------------------------------------------------------*/
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79 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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81 unsigned portBASE_TYPE uxLEDMask;
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83 if( uxLED < partstNUM_LEDs )
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85 uxLEDMask = xLEDs[ uxLED ];
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87 taskENTER_CRITICAL();
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98 taskEXIT_CRITICAL();
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101 /*-----------------------------------------------------------*/
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103 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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105 unsigned portBASE_TYPE uxLEDMask;
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107 if( uxLED < partstNUM_LEDs )
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109 uxLEDMask = xLEDs[ uxLED ];
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111 taskENTER_CRITICAL();
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113 if( P3 & uxLEDMask )
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122 taskEXIT_CRITICAL();
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