2 FreeRTOS V5.4.0 - Copyright (C) 2003-2009 Richard Barry.
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4 This file is part of the FreeRTOS distribution.
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6 FreeRTOS is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License (version 2) as published by the
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8 Free Software Foundation and modified by the FreeRTOS exception.
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9 **NOTE** The exception to the GPL is included to allow you to distribute a
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10 combined work that includes FreeRTOS without being obliged to provide the
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11 source code for proprietary components outside of the FreeRTOS kernel.
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12 Alternative commercial license and support terms are also available upon
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13 request. See the licensing section of http://www.FreeRTOS.org for full
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16 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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21 You should have received a copy of the GNU General Public License along
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22 with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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23 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 ***************************************************************************
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28 * Looking for a quick start? Then check out the FreeRTOS eBook! *
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29 * See http://www.FreeRTOS.org/Documentation for details *
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31 ***************************************************************************
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35 Please ensure to read the configuration and relevant port sections of the
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36 online documentation.
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38 http://www.FreeRTOS.org - Documentation, latest information, license and
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41 http://www.SafeRTOS.com - A version that is certified for use in safety
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44 http://www.OpenRTOS.com - Commercial support, development, porting,
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45 licensing and training services.
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51 + All LED's are turned off to start.
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55 #include "FreeRTOS.h"
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57 #include "partest.h"
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59 #define partstNUM_LEDs 4
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61 #define LED0_POS 0x01
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62 #define LED1_POS 0x04
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63 #define LED2_POS 0x01
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64 #define LED3_POS 0x04
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66 static const unsigned portCHAR ucLEDDefinitions[ partstNUM_LEDs ] = { LED0_POS, LED1_POS, LED2_POS, LED3_POS };
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68 /*-----------------------------------------------------------
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69 * Simple parallel port IO routines.
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70 *-----------------------------------------------------------*/
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72 void vParTestInitialise( void )
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74 /* Set the LEDs to outputs. */
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75 MCF_GPIO_DDRTD |= ( LED0_POS | LED1_POS );
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76 MCF_GPIO_DDRTC |= ( LED2_POS | LED3_POS );
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78 /* Turn LEDs off. */
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79 MCF_GPIO_SETTC |= ( LED0_POS | LED1_POS );
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80 MCF_GPIO_SETTD |= ( LED2_POS | LED3_POS );
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82 /*-----------------------------------------------------------*/
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84 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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90 taskENTER_CRITICAL();
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91 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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92 taskEXIT_CRITICAL();
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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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101 else if( uxLED < 4 )
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105 taskENTER_CRITICAL();
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106 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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107 taskEXIT_CRITICAL();
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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 /*-----------------------------------------------------------*/
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119 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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123 taskENTER_CRITICAL();
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125 if( ( MCF_GPIO_PORTTD & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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127 MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
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131 MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
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134 taskEXIT_CRITICAL();
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136 else if( uxLED < 4 )
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138 taskENTER_CRITICAL();
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140 if( ( MCF_GPIO_PORTTC & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
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142 MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
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146 MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
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149 taskEXIT_CRITICAL();
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