2 FreeRTOS V8.2.2 - Copyright (C) 2015 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 This file is part of the FreeRTOS distribution.
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9 FreeRTOS is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License (version 2) as published by the
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11 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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13 ***************************************************************************
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14 >>! NOTE: The modification to the GPL is included to allow you to !<<
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15 >>! distribute a combined work that includes FreeRTOS without being !<<
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16 >>! obliged to provide the source code for proprietary components !<<
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17 >>! outside of the FreeRTOS kernel. !<<
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18 ***************************************************************************
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20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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22 FOR A PARTICULAR PURPOSE. Full license text is available on the following
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23 link: http://www.freertos.org/a00114.html
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25 ***************************************************************************
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27 * FreeRTOS provides completely free yet professionally developed, *
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28 * robust, strictly quality controlled, supported, and cross *
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29 * platform software that is more than just the market leader, it *
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30 * is the industry's de facto standard. *
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32 * Help yourself get started quickly while simultaneously helping *
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33 * to support the FreeRTOS project by purchasing a FreeRTOS *
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34 * tutorial book, reference manual, or both: *
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35 * http://www.FreeRTOS.org/Documentation *
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37 ***************************************************************************
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39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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40 the FAQ page "My application does not run, what could be wrong?". Have you
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41 defined configASSERT()?
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43 http://www.FreeRTOS.org/support - In return for receiving this top quality
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44 embedded software for free we request you assist our global community by
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45 participating in the support forum.
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47 http://www.FreeRTOS.org/training - Investing in training allows your team to
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48 be as productive as possible as early as possible. Now you can receive
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49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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50 Ltd, and the world's leading authority on the world's leading RTOS.
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52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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61 licenses offer ticketed support, indemnification and commercial middleware.
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63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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64 engineered and independently SIL3 certified version for use in safety and
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65 mission critical applications that require provable dependability.
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73 + Use scheduler suspends in place of critical sections.
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77 + Replaced the inb() and outb() functions with direct memory
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78 access. This allows the port to be built with the 20050414 build of
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82 #include "FreeRTOS.h"
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84 #include "partest.h"
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86 /*-----------------------------------------------------------
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87 * Simple parallel port IO routines.
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88 *-----------------------------------------------------------*/
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90 #define partstALL_BITS_OUTPUT ( ( unsigned char ) 0xff )
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91 #define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0xff )
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92 #define partstMAX_OUTPUT_LED ( ( unsigned char ) 7 )
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94 static volatile unsigned char ucCurrentOutputValue = partstALL_OUTPUTS_OFF; /*lint !e956 File scope parameters okay here. */
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96 /*-----------------------------------------------------------*/
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98 void vParTestInitialise( void )
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100 ucCurrentOutputValue = partstALL_OUTPUTS_OFF;
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102 /* Set port B direction to outputs. Start with all output off. */
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103 DDRB = partstALL_BITS_OUTPUT;
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104 PORTB = ucCurrentOutputValue;
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106 /*-----------------------------------------------------------*/
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108 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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110 unsigned char ucBit = ( unsigned char ) 1;
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112 if( uxLED <= partstMAX_OUTPUT_LED )
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118 if( xValue == pdTRUE )
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120 ucBit ^= ( unsigned char ) 0xff;
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121 ucCurrentOutputValue &= ucBit;
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125 ucCurrentOutputValue |= ucBit;
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128 PORTB = ucCurrentOutputValue;
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133 /*-----------------------------------------------------------*/
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135 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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137 unsigned char ucBit;
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139 if( uxLED <= partstMAX_OUTPUT_LED )
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141 ucBit = ( ( unsigned char ) 1 ) << uxLED;
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145 if( ucCurrentOutputValue & ucBit )
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147 ucCurrentOutputValue &= ~ucBit;
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151 ucCurrentOutputValue |= ucBit;
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154 PORTB = ucCurrentOutputValue;
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