2 FreeRTOS V7.4.1 - Copyright (C) 2013 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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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not it can be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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78 + All LED's are turned off to start.
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82 #include "FreeRTOS.h"
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84 #include "partest.h"
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86 #define partstNUM_LEDs 4
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88 #define LED0_POS 0x01
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89 #define LED1_POS 0x04
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90 #define LED2_POS 0x01
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91 #define LED3_POS 0x04
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93 static const unsigned portCHAR ucLEDDefinitions[ partstNUM_LEDs ] = { LED0_POS, LED1_POS, LED2_POS, LED3_POS };
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95 /*-----------------------------------------------------------
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96 * Simple parallel port IO routines.
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97 *-----------------------------------------------------------*/
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99 void vParTestInitialise( void )
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101 /* Set the LEDs to outputs. */
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102 MCF_GPIO_DDRTD |= ( LED0_POS | LED1_POS );
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103 MCF_GPIO_DDRTC |= ( LED2_POS | LED3_POS );
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105 /* Turn LEDs off. */
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106 MCF_GPIO_SETTC |= ( LED0_POS | LED1_POS );
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107 MCF_GPIO_SETTD |= ( LED2_POS | LED3_POS );
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109 /*-----------------------------------------------------------*/
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111 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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117 taskENTER_CRITICAL();
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118 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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119 taskEXIT_CRITICAL();
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123 taskENTER_CRITICAL();
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124 MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
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125 taskEXIT_CRITICAL();
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128 else if( uxLED < 4 )
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132 taskENTER_CRITICAL();
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133 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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134 taskEXIT_CRITICAL();
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138 taskENTER_CRITICAL();
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139 MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
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140 taskEXIT_CRITICAL();
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144 /*-----------------------------------------------------------*/
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146 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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150 taskENTER_CRITICAL();
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152 if( ( MCF_GPIO_PORTTD & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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154 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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158 MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
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161 taskEXIT_CRITICAL();
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163 else if( uxLED < 4 )
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165 taskENTER_CRITICAL();
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167 if( ( MCF_GPIO_PORTTC & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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169 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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173 MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
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176 taskEXIT_CRITICAL();
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