2 FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS provides completely free yet professionally developed, *
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10 * robust, strictly quality controlled, supported, and cross *
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11 * platform software that has become a de facto standard. *
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13 * Help yourself get started quickly and support the FreeRTOS *
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14 * project by purchasing a FreeRTOS tutorial book, reference *
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15 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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19 ***************************************************************************
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21 This file is part of the FreeRTOS distribution.
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23 FreeRTOS is free software; you can redistribute it and/or modify it under
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24 the terms of the GNU General Public License (version 2) as published by the
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25 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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27 >>! NOTE: The modification to the GPL is included to allow you to distribute
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28 >>! a combined work that includes FreeRTOS without being obliged to provide
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29 >>! the source code for proprietary components outside of the FreeRTOS
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32 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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33 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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34 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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35 link: http://www.freertos.org/a00114.html
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39 ***************************************************************************
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41 * Having a problem? Start by reading the FAQ "My application does *
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42 * not run, what could be wrong?" *
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44 * http://www.FreeRTOS.org/FAQHelp.html *
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46 ***************************************************************************
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48 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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49 license and Real Time Engineers Ltd. contact details.
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51 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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52 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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53 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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55 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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56 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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57 licenses offer ticketed support, indemnification and middleware.
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59 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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60 engineered and independently SIL3 certified version for use in safety and
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61 mission critical applications that require provable dependability.
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66 /* FreeRTOS.org includes. */
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67 #include "FreeRTOS.h"
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69 /* Demo application includes. */
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70 #include "partest.h"
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72 #define partstFIRST_IO ( ( unsigned long ) 0x04 )
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73 #define partstFIO2_BITS ( ( unsigned long ) 0x0000007C )
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74 #define partstFIO1_BITS ( ( unsigned long ) 0xB0000000 )
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75 #define partstNUM_LEDS ( 5 )
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76 #define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xff )
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78 /*-----------------------------------------------------------
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79 * Simple parallel port IO routines.
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80 *-----------------------------------------------------------*/
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82 void vParTestInitialise( void )
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84 /* LEDs on ports 1 and 2 to output. */
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85 GPIO2->FIODIR = partstFIO2_BITS;
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86 GPIO1->FIODIR = partstFIO1_BITS;
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88 /* Start will all LEDs off. */
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89 GPIO2->FIOCLR = partstFIO2_BITS;
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90 GPIO1->FIOCLR = partstFIO1_BITS;
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92 /*-----------------------------------------------------------*/
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94 void vParTestSetLED( unsigned long ulLEDIn, signed long xValue )
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96 unsigned long ulLED = partstFIRST_IO;
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98 /* Used to set and clear LEDs on FIO2. */
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100 if( ulLEDIn < partstNUM_LEDS )
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102 /* Rotate to the wanted bit of port */
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103 ulLED <<= ( unsigned long ) ulLEDIn;
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105 /* Set of clear the output. */
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108 GPIO2->FIOCLR = ulLED;
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112 GPIO2->FIOSET = ulLED;
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116 /*-----------------------------------------------------------*/
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118 void vParTestToggleLED( unsigned long ulLEDIn )
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120 unsigned long ulLED = partstFIRST_IO, ulCurrentState;
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122 /* Used to toggle LEDs on FIO2. */
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124 if( ulLEDIn < partstNUM_LEDS )
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126 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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128 ulLED <<= ( unsigned long ) ulLEDIn;
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130 /* If this bit is already set, clear it, and vice versa. */
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131 ulCurrentState = GPIO2->FIOPIN;
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132 if( ulCurrentState & ulLED )
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134 GPIO2->FIOCLR = ulLED;
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138 GPIO2->FIOSET = ulLED;
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142 /*-----------------------------------------------------------*/
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144 long lParTestGetLEDState( void )
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146 /* Returns the state of the LEDs on FIO1. */
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147 if( ( GPIO1->FIOPIN & partstFIO1_BITS ) != 0 )
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156 /*-----------------------------------------------------------*/
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158 void vParTestSetLEDState( long lState )
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160 /* Used to set and clear the LEDs on FIO1. */
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161 if( lState != pdFALSE )
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163 GPIO1->FIOSET = partstFIO1_BITS;
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167 GPIO1->FIOCLR = partstFIO1_BITS;
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170 /*-----------------------------------------------------------*/
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