2 FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS provides completely free yet professionally developed, *
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10 * robust, strictly quality controlled, supported, and cross *
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11 * platform software that has become a de facto standard. *
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13 * Help yourself get started quickly and support the FreeRTOS *
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14 * project by purchasing a FreeRTOS tutorial book, reference *
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15 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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19 ***************************************************************************
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21 This file is part of the FreeRTOS distribution.
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23 FreeRTOS is free software; you can redistribute it and/or modify it under
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24 the terms of the GNU General Public License (version 2) as published by the
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25 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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27 >>! NOTE: The modification to the GPL is included to allow you to distribute
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28 >>! a combined work that includes FreeRTOS without being obliged to provide
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29 >>! the source code for proprietary components outside of the FreeRTOS
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32 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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33 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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34 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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35 link: http://www.freertos.org/a00114.html
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39 ***************************************************************************
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41 * Having a problem? Start by reading the FAQ "My application does *
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42 * not run, what could be wrong?" *
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44 * http://www.FreeRTOS.org/FAQHelp.html *
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46 ***************************************************************************
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48 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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49 license and Real Time Engineers Ltd. contact details.
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51 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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52 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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53 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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55 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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56 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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57 licenses offer ticketed support, indemnification and middleware.
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59 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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60 engineered and independently SIL3 certified version for use in safety and
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61 mission critical applications that require provable dependability.
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69 + Types used updated.
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70 + Add vParTestToggleLED();
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74 + Use scheduler suspends in place of critical sections.
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78 #include "FreeRTOS.h"
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80 #include "partest.h"
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82 #define partstALL_OUTPUTS_OFF ( ( unsigned short) 0x00 )
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83 #define partstMAX_OUTPUT_LED ( ( unsigned char ) 7 )
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84 #define partstPORT_F_ADDR ( ( unsigned short ) 0x605 )
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85 #define partstPORT_DIRECTION_REG ( ( unsigned short ) 0x606 )
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86 #define partstPORT_F_DIR_BIT ( ( unsigned short ) 0x20 )
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88 /*lint -e956 File scope parameters okay here. */
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89 static volatile unsigned char ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
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92 /*-----------------------------------------------------------
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93 * Simple parallel port IO routines.
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94 *-----------------------------------------------------------*/
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96 void vParTestInitialise( void )
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98 unsigned short usInput;
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100 ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
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102 /* Set the direction to output for port F. */
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103 usInput = portINPUT_BYTE( partstPORT_DIRECTION_REG );
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104 usInput |= partstPORT_F_DIR_BIT;
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105 portOUTPUT_BYTE( partstPORT_DIRECTION_REG, usInput );
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107 /* Start with all outputs off. */
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108 portOUTPUT_BYTE( partstPORT_F_ADDR, partstALL_OUTPUTS_OFF );
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110 /*-----------------------------------------------------------*/
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112 void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
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114 unsigned char ucBit = ( unsigned char ) 1;
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116 if( uxLED <= partstMAX_OUTPUT_LED )
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123 if( xValue == pdTRUE )
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125 ucBit ^= ( unsigned char ) 0xff;
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126 ucCurrentOutputValue &= ucBit;
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130 ucCurrentOutputValue |= ucBit;
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133 portOUTPUT_BYTE( partstPORT_F_ADDR, ( unsigned ) ucCurrentOutputValue );
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137 /*-----------------------------------------------------------*/
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139 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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141 unsigned char ucBit;
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143 if( uxLED <= partstMAX_OUTPUT_LED )
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145 ucBit = ( ( unsigned char ) 1 ) << uxLED;
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149 if( ucCurrentOutputValue & ucBit )
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151 ucCurrentOutputValue &= ~ucBit;
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155 ucCurrentOutputValue |= ucBit;
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158 portOUTPUT_BYTE( partstPORT_F_ADDR, ( unsigned ) ucCurrentOutputValue );
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