2 FreeRTOS V6.0.3 - Copyright (C) 2010 Real Time Engineers Ltd.
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4 ***************************************************************************
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8 * + New to FreeRTOS, *
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9 * + Wanting to learn FreeRTOS or multitasking in general quickly *
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10 * + Looking for basic training, *
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11 * + Wanting to improve your FreeRTOS skills and productivity *
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13 * then take a look at the FreeRTOS eBook *
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15 * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
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16 * http://www.FreeRTOS.org/Documentation *
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18 * A pdf reference manual is also available. Both are usually delivered *
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19 * to your inbox within 20 minutes to two hours when purchased between 8am *
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20 * and 8pm GMT (although please allow up to 24 hours in case of *
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21 * exceptional circumstances). Thank you for your support! *
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23 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 ***NOTE*** The exception to the GPL is included to allow you to distribute
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31 a combined work that includes FreeRTOS without being obliged to provide the
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32 source code for proprietary components outside of the FreeRTOS kernel.
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33 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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34 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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35 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 http://www.FreeRTOS.org - Documentation, latest information, license and
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47 http://www.SafeRTOS.com - A version that is certified for use in safety
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50 http://www.OpenRTOS.com - Commercial support, development, porting,
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51 licensing and training services.
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57 + All LED's are turned off to start.
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61 #include "FreeRTOS.h"
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63 #include "partest.h"
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65 #define partstNUM_LEDs 4
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67 #define LED0_POS 0x01
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68 #define LED1_POS 0x04
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69 #define LED2_POS 0x01
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70 #define LED3_POS 0x04
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72 static const unsigned portCHAR ucLEDDefinitions[ partstNUM_LEDs ] = { LED0_POS, LED1_POS, LED2_POS, LED3_POS };
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74 /*-----------------------------------------------------------
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75 * Simple parallel port IO routines.
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76 *-----------------------------------------------------------*/
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78 void vParTestInitialise( void )
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80 /* Set the LEDs to outputs. */
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81 MCF_GPIO_DDRTD |= ( LED0_POS | LED1_POS );
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82 MCF_GPIO_DDRTC |= ( LED2_POS | LED3_POS );
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84 /* Turn LEDs off. */
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85 MCF_GPIO_SETTC |= ( LED0_POS | LED1_POS );
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86 MCF_GPIO_SETTD |= ( LED2_POS | LED3_POS );
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88 /*-----------------------------------------------------------*/
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90 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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96 taskENTER_CRITICAL();
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97 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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98 taskEXIT_CRITICAL();
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102 taskENTER_CRITICAL();
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103 MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
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104 taskEXIT_CRITICAL();
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107 else if( uxLED < 4 )
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111 taskENTER_CRITICAL();
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112 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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113 taskEXIT_CRITICAL();
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117 taskENTER_CRITICAL();
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118 MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
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119 taskEXIT_CRITICAL();
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123 /*-----------------------------------------------------------*/
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125 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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129 taskENTER_CRITICAL();
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131 if( ( MCF_GPIO_PORTTD & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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133 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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137 MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
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140 taskEXIT_CRITICAL();
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142 else if( uxLED < 4 )
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144 taskENTER_CRITICAL();
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146 if( ( MCF_GPIO_PORTTC & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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148 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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152 MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
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155 taskEXIT_CRITICAL();
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