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 /*-----------------------------------------------------------
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62 * Simple parallel port IO routines.
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63 *-----------------------------------------------------------*/
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65 void vParTestInitialise( void )
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67 /* Enable signals as GPIO */
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69 | MCF_GPIO_PTCPAR_DTIN3_GPIO
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70 | MCF_GPIO_PTCPAR_DTIN2_GPIO
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71 | MCF_GPIO_PTCPAR_DTIN1_GPIO
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72 | MCF_GPIO_PTCPAR_DTIN0_GPIO;
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74 /* Enable signals as digital outputs */
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76 | MCF_GPIO_DDRTC_DDRTC3
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77 | MCF_GPIO_DDRTC_DDRTC2
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78 | MCF_GPIO_DDRTC_DDRTC1
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79 | MCF_GPIO_DDRTC_DDRTC0;
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81 MCF_GPIO_PORTTC = 0x00; // TURN LEDS OFF
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83 /*-----------------------------------------------------------*/
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85 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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87 unsigned portBASE_TYPE uxLEDMask;
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89 if( uxLED < partstNUM_LEDs )
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91 uxLEDMask = 1UL << uxLED;
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93 taskENTER_CRITICAL();
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97 MCF_GPIO_PORTTC |= uxLEDMask;
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101 MCF_GPIO_PORTTC &= ~uxLEDMask;
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104 taskEXIT_CRITICAL();
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107 /*-----------------------------------------------------------*/
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109 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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111 unsigned portBASE_TYPE uxLEDMask;
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113 if( uxLED < partstNUM_LEDs )
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115 uxLEDMask = 1UL << uxLED;
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117 taskENTER_CRITICAL();
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119 if( MCF_GPIO_PORTTC & uxLEDMask )
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121 MCF_GPIO_PORTTC &= ~uxLEDMask;
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125 MCF_GPIO_PORTTC |= uxLEDMask;
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128 taskEXIT_CRITICAL();
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