2 FreeRTOS.org V5.3.1 - Copyright (C) 2003-2009 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 it
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7 under the terms of the GNU General Public License (version 2) as published
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8 by the 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.org without being obliged to provide
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11 the source code for any proprietary components. Alternative commercial
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12 license and support terms are also available upon request. See the
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13 licensing section of http://www.FreeRTOS.org for full details.
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15 FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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20 You should have received a copy of the GNU General Public License along
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21 with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
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22 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 ***************************************************************************
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27 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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29 * This is a concise, step by step, 'hands on' guide that describes both *
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30 * general multitasking concepts and FreeRTOS specifics. It presents and *
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31 * explains numerous examples that are written using the FreeRTOS API. *
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32 * Full source code for all the examples is provided in an accompanying *
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35 ***************************************************************************
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39 Please ensure to read the configuration and relevant port sections of the
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40 online documentation.
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42 http://www.FreeRTOS.org - Documentation, latest information, license and
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45 http://www.SafeRTOS.com - A version that is certified for use in safety
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48 http://www.OpenRTOS.com - Commercial support, development, porting,
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49 licensing and training services.
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52 /*-----------------------------------------------------------
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53 * Simple parallel port IO routines.
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54 *-----------------------------------------------------------*/
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56 /* FreeRTOS includes. */
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57 #include "FreeRTOS.h"
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60 /* Demo includes. */
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61 #include "partest.h"
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63 #define partstTOTAL_NUM_LEDs 16
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64 #define partstNUM_LEDs_PER_DISPLAY 8
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66 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned portCHAR * ) 3, ( unsigned portCHAR * ) 5 };
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68 void vParTestInitialise( void )
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70 /* In this case all the initialisation is performed in prvSetupHardware()
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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 portBASE_TYPE uxLEDMask = 0x01;
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79 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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81 uxLEDMask <<= uxLED;
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83 taskENTER_CRITICAL();
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87 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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91 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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94 taskEXIT_CRITICAL();
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96 else if( uxLED < partstTOTAL_NUM_LEDs )
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98 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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100 uxLEDMask <<= uxLED;
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102 taskENTER_CRITICAL();
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106 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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110 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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113 taskEXIT_CRITICAL();
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116 /*-----------------------------------------------------------*/
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118 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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120 unsigned portBASE_TYPE uxLEDMask = 0x01;
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122 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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124 uxLEDMask <<= uxLED;
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126 taskENTER_CRITICAL();
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128 if( *pucDisplayOutput[ 0 ] & uxLEDMask )
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130 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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134 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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137 taskEXIT_CRITICAL();
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139 else if( uxLED < partstTOTAL_NUM_LEDs )
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141 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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143 uxLEDMask <<= uxLED;
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145 taskENTER_CRITICAL();
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147 if( *pucDisplayOutput[ 1 ] & uxLEDMask )
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149 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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153 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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156 taskEXIT_CRITICAL();
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