2 FreeRTOS.org V5.4.0 - Copyright (C) 2003-2009 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License (version 2) as published
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8 by the 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.org without being obliged to provide
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11 the source code for any proprietary components. Alternative commercial
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12 license and support terms are also available upon request. See the
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13 licensing section of http://www.FreeRTOS.org for full details.
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15 FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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20 You should have received a copy of the GNU General Public License along
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21 with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
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22 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 ***************************************************************************
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27 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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29 * This is a concise, step by step, 'hands on' guide that describes both *
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30 * general multitasking concepts and FreeRTOS specifics. It presents and *
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31 * explains numerous examples that are written using the FreeRTOS API. *
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32 * Full source code for all the examples is provided in an accompanying *
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35 ***************************************************************************
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39 Please ensure to read the configuration and relevant port sections of the
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40 online documentation.
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42 http://www.FreeRTOS.org - Documentation, latest information, license and
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45 http://www.SafeRTOS.com - A version that is certified for use in safety
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48 http://www.OpenRTOS.com - Commercial support, development, porting,
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49 licensing and training services.
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55 + All LED's are turned off to start.
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59 #include "FreeRTOS.h"
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60 #include "partest.h"
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62 #define partstFIRST_IO ( ( unsigned portLONG ) 0x400 )
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63 #define partstNUM_LEDS ( 4 )
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64 #define partstALL_OUTPUTS_OFF ( ( unsigned portLONG ) 0xffffffff )
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66 /*-----------------------------------------------------------
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67 * Simple parallel port IO routines.
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68 *-----------------------------------------------------------*/
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70 void vParTestInitialise( void )
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72 /* This is performed from main() as the io bits are shared with other setup
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75 /* Turn all outputs off. */
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76 GPIO_IOSET = partstALL_OUTPUTS_OFF;
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78 /*-----------------------------------------------------------*/
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80 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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82 unsigned portLONG ulLED = partstFIRST_IO;
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84 if( uxLED < partstNUM_LEDS )
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86 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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88 ulLED <<= ( unsigned portLONG ) uxLED;
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90 /* Set of clear the output. */
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97 GPIO_IOSET = ulLED;
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101 /*-----------------------------------------------------------*/
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103 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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105 unsigned portLONG ulLED = partstFIRST_IO, ulCurrentState;
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107 if( uxLED < partstNUM_LEDS )
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109 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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111 ulLED <<= ( unsigned portLONG ) uxLED;
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113 /* If this bit is already set, clear it, and visa versa. */
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114 ulCurrentState = GPIO0_IOPIN;
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115 if( ulCurrentState & ulLED )
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117 GPIO_IOCLR = ulLED;
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121 GPIO_IOSET = ulLED;
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