2 FreeRTOS V9.0.0rc2 - Copyright (C) 2016 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 This file is part of the FreeRTOS distribution.
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9 FreeRTOS is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License (version 2) as published by the
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11 Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
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13 ***************************************************************************
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14 >>! NOTE: The modification to the GPL is included to allow you to !<<
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15 >>! distribute a combined work that includes FreeRTOS without being !<<
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16 >>! obliged to provide the source code for proprietary components !<<
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17 >>! outside of the FreeRTOS kernel. !<<
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18 ***************************************************************************
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20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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22 FOR A PARTICULAR PURPOSE. Full license text is available on the following
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23 link: http://www.freertos.org/a00114.html
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25 ***************************************************************************
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27 * FreeRTOS provides completely free yet professionally developed, *
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28 * robust, strictly quality controlled, supported, and cross *
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29 * platform software that is more than just the market leader, it *
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30 * is the industry's de facto standard. *
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32 * Help yourself get started quickly while simultaneously helping *
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33 * to support the FreeRTOS project by purchasing a FreeRTOS *
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34 * tutorial book, reference manual, or both: *
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35 * http://www.FreeRTOS.org/Documentation *
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37 ***************************************************************************
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39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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40 the FAQ page "My application does not run, what could be wrong?". Have you
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41 defined configASSERT()?
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43 http://www.FreeRTOS.org/support - In return for receiving this top quality
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44 embedded software for free we request you assist our global community by
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45 participating in the support forum.
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47 http://www.FreeRTOS.org/training - Investing in training allows your team to
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48 be as productive as possible as early as possible. Now you can receive
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49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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50 Ltd, and the world's leading authority on the world's leading RTOS.
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52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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61 licenses offer ticketed support, indemnification and commercial middleware.
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63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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64 engineered and independently SIL3 certified version for use in safety and
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65 mission critical applications that require provable dependability.
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70 /* Scheduler include files. */
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71 #include "FreeRTOS.h"
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72 #include "portable.h"
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74 /* Demo application include files. */
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75 #include "partest.h"
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77 /*-----------------------------------------------------------
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78 * Simple parallel port IO routines.
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80 * This is for the demo application which uses port 2 for LED outputs.
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81 *-----------------------------------------------------------*/
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83 /* Value for the LED to be off. */
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84 #define partstLED_OUTPUTS ( ( unsigned char ) 0xff )
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86 /* P2.0 is not used as an output so there are only 7 LEDs on port 2. */
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87 #define partstMAX_LEDs ( 7 )
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88 #define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0 )
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90 /* Maps the LED outputs used by the standard demo application files to
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91 convenient outputs for the EDK2329. Mainly this insures that the LED
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92 used by the Check task is one of the on board LEDs so the demo can be
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93 executed on an EDK without any modification. */
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94 static inline unsigned char prvMapLED( unsigned portBASE_TYPE uxLED );
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96 /*-----------------------------------------------------------*/
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98 void vParTestInitialise( void )
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100 /* LED's are connected to port 2. P2.1 and P2.2 are built onto the EDK.
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101 P2.3 to P2.7 are soldered onto the expansion port. */
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102 P2DDR = partstLED_OUTPUTS;
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103 P2DR = partstALL_OUTPUTS_OFF;
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105 /*-----------------------------------------------------------*/
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108 * Described at the top of the file.
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110 static inline unsigned char prvMapLED( unsigned portBASE_TYPE uxLED )
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114 case 0 : return ( unsigned char ) 2;
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115 case 1 : return ( unsigned char ) 3;
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116 case 2 : return ( unsigned char ) 4;
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117 case 3 : return ( unsigned char ) 5;
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118 case 4 : return ( unsigned char ) 6;
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119 case 5 : return ( unsigned char ) 0;
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120 case 6 : return ( unsigned char ) 1;
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121 default : return 0;
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124 /*-----------------------------------------------------------*/
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127 * Turn an LED on or off.
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129 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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131 unsigned char ucLED;
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133 if( uxLED < partstMAX_LEDs )
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135 ucLED = prvMapLED( uxLED );
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137 /* Set a bit in the required LED position. LED 0 is bit 1. */
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138 ucLED = ( unsigned char ) 1 << ( ucLED + 1 );
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142 portENTER_CRITICAL();
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144 portEXIT_CRITICAL();
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148 portENTER_CRITICAL();
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150 portEXIT_CRITICAL();
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154 /*-----------------------------------------------------------*/
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156 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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158 unsigned char ucLED;
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160 if( uxLED < partstMAX_LEDs )
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162 ucLED = prvMapLED( uxLED );
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164 /* Set a bit in the required LED position. LED 0 is bit 1. */
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165 ucLED = ( unsigned char ) 1 << ( ucLED + 1 );
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167 portENTER_CRITICAL();
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178 portEXIT_CRITICAL();
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