2 FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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6 ***************************************************************************
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8 * FreeRTOS provides completely free yet professionally developed, *
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9 * robust, strictly quality controlled, supported, and cross *
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10 * platform software that has become a de facto standard. *
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12 * Help yourself get started quickly and support the FreeRTOS *
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13 * project by purchasing a FreeRTOS tutorial book, reference *
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14 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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18 ***************************************************************************
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20 This file is part of the FreeRTOS distribution.
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22 FreeRTOS is free software; you can redistribute it and/or modify it under
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23 the terms of the GNU General Public License (version 2) as published by the
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24 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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26 >>! NOTE: The modification to the GPL is included to allow you to distribute
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27 >>! a combined work that includes FreeRTOS without being obliged to provide
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28 >>! the source code for proprietary components outside of the FreeRTOS
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31 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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32 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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33 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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34 link: http://www.freertos.org/a00114.html
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38 ***************************************************************************
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40 * Having a problem? Start by reading the FAQ "My application does *
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41 * not run, what could be wrong?" *
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43 * http://www.FreeRTOS.org/FAQHelp.html *
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45 ***************************************************************************
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47 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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48 license and Real Time Engineers Ltd. contact details.
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50 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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51 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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52 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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54 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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55 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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56 licenses offer ticketed support, indemnification and middleware.
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58 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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59 engineered and independently SIL3 certified version for use in safety and
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60 mission critical applications that require provable dependability.
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68 + All LED's are turned off to start.
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72 #include "FreeRTOS.h"
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74 #include "partest.h"
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76 #define partstNUM_LEDs 4
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78 #define LED0_POS 0x01
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79 #define LED1_POS 0x04
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80 #define LED2_POS 0x01
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81 #define LED3_POS 0x04
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83 static const unsigned portCHAR ucLEDDefinitions[ partstNUM_LEDs ] = { LED0_POS, LED1_POS, LED2_POS, LED3_POS };
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85 /*-----------------------------------------------------------
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86 * Simple parallel port IO routines.
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87 *-----------------------------------------------------------*/
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89 void vParTestInitialise( void )
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91 /* Set the LEDs to outputs. */
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92 MCF_GPIO_DDRTD |= ( LED0_POS | LED1_POS );
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93 MCF_GPIO_DDRTC |= ( LED2_POS | LED3_POS );
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95 /* Turn LEDs off. */
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96 MCF_GPIO_SETTC |= ( LED0_POS | LED1_POS );
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97 MCF_GPIO_SETTD |= ( LED2_POS | LED3_POS );
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99 /*-----------------------------------------------------------*/
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101 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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107 taskENTER_CRITICAL();
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108 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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109 taskEXIT_CRITICAL();
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113 taskENTER_CRITICAL();
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114 MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
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115 taskEXIT_CRITICAL();
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118 else if( uxLED < 4 )
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122 taskENTER_CRITICAL();
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123 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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124 taskEXIT_CRITICAL();
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128 taskENTER_CRITICAL();
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129 MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
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130 taskEXIT_CRITICAL();
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134 /*-----------------------------------------------------------*/
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136 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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140 taskENTER_CRITICAL();
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142 if( ( MCF_GPIO_PORTTD & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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144 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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148 MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
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151 taskEXIT_CRITICAL();
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153 else if( uxLED < 4 )
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155 taskENTER_CRITICAL();
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157 if( ( MCF_GPIO_PORTTC & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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159 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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163 MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
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166 taskEXIT_CRITICAL();
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