2 FreeRTOS.org V4.1.0 - Copyright (C) 2003-2006 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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33 /* Scheduler includes. */
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34 #include "FreeRTOS.h"
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36 /* Demo app includes. */
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37 #include "partest.h"
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42 unsigned portBASE_TYPE uxOutput;
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44 /*-----------------------------------------------------------
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45 * Simple parallel port IO routines.
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46 *-----------------------------------------------------------*/
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48 void vParTestInitialise( void )
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50 /* The explorer 16 board has LED's on port A. All bits are set as output
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51 so PORTA is read-modified-written directly. Two pins have change
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52 notification pullups that need disabling. */
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53 CNPU2bits.CN22PUE = 0;
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54 CNPU2bits.CN23PUE = 0;
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57 uxOutput = ptALL_OFF;
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59 /*-----------------------------------------------------------*/
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61 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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63 unsigned portBASE_TYPE uxLEDBit;
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65 /* Which port A bit is being modified? */
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66 uxLEDBit = 1 << uxLED;
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70 /* Turn the LED on. */
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71 portENTER_CRITICAL();
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73 uxOutput |= uxLEDBit;
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76 portEXIT_CRITICAL();
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80 /* Turn the LED off. */
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81 portENTER_CRITICAL();
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83 uxOutput &= ~uxLEDBit;
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86 portEXIT_CRITICAL();
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89 /*-----------------------------------------------------------*/
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91 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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93 unsigned portBASE_TYPE uxLEDBit;
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95 uxLEDBit = 1 << uxLED;
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96 portENTER_CRITICAL();
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98 /* If the LED is already on - turn it off. If the LED is already
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100 if( uxOutput & uxLEDBit )
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102 uxOutput &= ~uxLEDBit;
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107 uxOutput |= uxLEDBit;
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111 portEXIT_CRITICAL();
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