2 FreeRTOS V5.4.1 - 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 * Looking for a quick start? Then check out the FreeRTOS eBook! *
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29 * See http://www.FreeRTOS.org/Documentation for details *
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31 ***************************************************************************
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35 Please ensure to read the configuration and relevant port sections of the
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36 online documentation.
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38 http://www.FreeRTOS.org - Documentation, latest information, license and
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41 http://www.SafeRTOS.com - A version that is certified for use in safety
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44 http://www.OpenRTOS.com - Commercial support, development, porting,
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45 licensing and training services.
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51 + Types used updated.
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52 + Add vParTestToggleLED();
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57 + Use scheduler suspends in place of critical sections.
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60 #include "FreeRTOS.h"
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61 #include "partest.h"
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64 #define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0x00 )
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65 #define partstMAX_OUTPUT_LED ( ( unsigned portCHAR ) 7 )
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67 /*lint -e956 File scope parameters okay here. */
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68 static unsigned portSHORT usPortAddress = partstDEFAULT_PORT_ADDRESS;
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69 static volatile unsigned portCHAR ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
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73 /*-----------------------------------------------------------
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74 * Simple parallel port IO routines
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75 *-----------------------------------------------------------*/
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77 void vParTestInitialise( void )
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79 ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
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81 portOUTPUT_BYTE( usPortAddress, ( unsigned ) partstALL_OUTPUTS_OFF );
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83 /*-----------------------------------------------------------*/
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85 void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
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87 unsigned portCHAR ucBit = ( unsigned portCHAR ) 1;
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89 if( uxLED <= partstMAX_OUTPUT_LED )
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96 if( xValue == pdTRUE )
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98 ucBit ^= ( unsigned portCHAR ) 0xff;
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99 ucCurrentOutputValue &= ucBit;
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103 ucCurrentOutputValue |= ucBit;
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106 portOUTPUT_BYTE( usPortAddress, ( unsigned ) ucCurrentOutputValue );
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110 /*-----------------------------------------------------------*/
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112 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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114 unsigned portCHAR ucBit;
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116 if( uxLED <= partstMAX_OUTPUT_LED )
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118 ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED;
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122 if( ucCurrentOutputValue & ucBit )
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124 ucCurrentOutputValue &= ~ucBit;
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128 ucCurrentOutputValue |= ucBit;
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131 portOUTPUT_BYTE( usPortAddress, ( unsigned ) ucCurrentOutputValue );
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