2 FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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32 >>>NOTE<<< The modification to the GPL is included to allow you to
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33 distribute a combined work that includes FreeRTOS without being obliged to
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34 provide the source code for proprietary components outside of the FreeRTOS
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35 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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36 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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37 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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38 more details. You should have received a copy of the GNU General Public
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39 License and the FreeRTOS license exception along with FreeRTOS; if not it
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40 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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41 by writing to Richard Barry, contact details for whom are available on the
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46 ***************************************************************************
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48 * Having a problem? Start by reading the FAQ "My application does *
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49 * not run, what could be wrong?" *
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51 * http://www.FreeRTOS.org/FAQHelp.html *
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53 ***************************************************************************
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56 http://www.FreeRTOS.org - Documentation, training, latest versions, license
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57 and contact details.
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59 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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60 including FreeRTOS+Trace - an indispensable productivity tool.
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62 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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63 the code with commercial support, indemnification, and middleware, under
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64 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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65 provide a safety engineered and independently SIL3 certified version under
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66 the SafeRTOS brand: http://www.SafeRTOS.com.
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69 /* FreeRTOS.org includes. */
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70 #include "FreeRTOS.h"
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72 /* Demo application includes. */
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73 #include "partest.h"
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75 /*-----------------------------------------------------------
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76 * Simple parallel port IO routines.
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77 *-----------------------------------------------------------*/
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79 #define partstLED1_OUTPUT ( 1 << 25 )
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80 #define partstLED2_OUTPUT ( 1 << 4 )
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82 void vParTestInitialise( void )
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84 /* Set LEDs to output. */
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85 GPIO1->FIODIR = partstLED1_OUTPUT;
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86 GPIO0->FIODIR = partstLED2_OUTPUT;
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88 /* Start with LED off. */
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89 GPIO1->FIOSET = partstLED1_OUTPUT;
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90 GPIO0->FIOSET = partstLED2_OUTPUT;
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92 /*-----------------------------------------------------------*/
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94 void vParTestSetLED( unsigned long ulLEDIn, signed long xValue )
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96 /* Used to set and clear LEDs on FIO2. */
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100 /* Set of clear the output. */
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103 GPIO1->FIOCLR = partstLED1_OUTPUT;
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107 GPIO1->FIOSET = partstLED1_OUTPUT;
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110 else if( ulLEDIn == 1 )
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112 /* Set of clear the output. */
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115 GPIO0->FIOCLR = partstLED2_OUTPUT;
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119 GPIO0->FIOSET = partstLED2_OUTPUT;
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123 /*-----------------------------------------------------------*/
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125 void vParTestToggleLED( unsigned long ulLEDIn )
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127 unsigned long ulCurrentState;
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129 /* Used to toggle LEDs on FIO2. */
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133 /* If this bit is already set, clear it, and visa versa. */
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134 ulCurrentState = GPIO1->FIOPIN;
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135 if( ulCurrentState & partstLED1_OUTPUT )
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137 GPIO1->FIOCLR = partstLED1_OUTPUT;
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141 GPIO1->FIOSET = partstLED1_OUTPUT;
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144 else if( ulLEDIn == 1 )
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146 /* If this bit is already set, clear it, and visa versa. */
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147 ulCurrentState = GPIO0->FIOPIN;
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148 if( ulCurrentState & partstLED2_OUTPUT )
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150 GPIO0->FIOCLR = partstLED2_OUTPUT;
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154 GPIO0->FIOSET = partstLED2_OUTPUT;
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158 /*-----------------------------------------------------------*/
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160 long lParTestGetLEDState( void )
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162 if( ( GPIO0->FIOPIN & partstLED2_OUTPUT ) == 0 )
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171 /*-----------------------------------------------------------*/
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173 void vParTestSetLEDState( long lState )
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175 /* Used to set and clear the LEDs on FIO1. */
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176 if( lState != pdFALSE )
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178 GPIO0->FIOCLR = partstLED2_OUTPUT;
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182 GPIO0->FIOSET = partstLED2_OUTPUT;
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185 /*-----------------------------------------------------------*/
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