2 FreeRTOS V8.2.0 - Copyright (C) 2015 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 includes. */
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71 #include "FreeRTOS.h"
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73 /* Demo app includes. */
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74 #include "partest.h"
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79 unsigned portBASE_TYPE uxOutput;
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81 /*-----------------------------------------------------------
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82 * Simple parallel port IO routines.
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83 *-----------------------------------------------------------*/
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85 void vParTestInitialise( void )
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87 /* The explorer 16 board has LED's on port A. All bits are set as output
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88 so PORTA is read-modified-written directly. Two pins have change
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89 notification pullups that need disabling. */
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90 CNPU2bits.CN22PUE = 0;
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91 CNPU2bits.CN23PUE = 0;
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94 uxOutput = ptALL_OFF;
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96 /*-----------------------------------------------------------*/
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98 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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100 unsigned portBASE_TYPE uxLEDBit;
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102 /* Which port A bit is being modified? */
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103 uxLEDBit = 1 << uxLED;
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107 /* Turn the LED on. */
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108 portENTER_CRITICAL();
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110 uxOutput |= uxLEDBit;
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113 portEXIT_CRITICAL();
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117 /* Turn the LED off. */
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118 portENTER_CRITICAL();
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120 uxOutput &= ~uxLEDBit;
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123 portEXIT_CRITICAL();
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126 /*-----------------------------------------------------------*/
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128 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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130 unsigned portBASE_TYPE uxLEDBit;
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132 uxLEDBit = 1 << uxLED;
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133 portENTER_CRITICAL();
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135 /* If the LED is already on - turn it off. If the LED is already
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136 off, turn it on. */
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137 if( uxOutput & uxLEDBit )
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139 uxOutput &= ~uxLEDBit;
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144 uxOutput |= uxLEDBit;
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148 portEXIT_CRITICAL();
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