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Add FreeRTOS-Plus directory.
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Richard Barry
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6798 changed files with 134949 additions and 19 deletions
244
FreeRTOS/Demo/msp430_IAR/ParTest/ParTest.c
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244
FreeRTOS/Demo/msp430_IAR/ParTest/ParTest.c
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/*
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FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>NOTE<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong? *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, training, latest information,
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license and contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool.
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Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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the code with commercial support, indemnification, and middleware, under
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the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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provide a safety engineered and independently SIL3 certified version under
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the SafeRTOS brand: http://www.SafeRTOS.com.
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*/
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/*-----------------------------------------------------------
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* Characters on the LCD are used to simulate LED's. In this case the 'ParTest'
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* is really operating on the LCD display.
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*-----------------------------------------------------------*/
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/*
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* This demo is configured to execute on the ES449 prototyping board from
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* SoftBaugh. The ES449 has a built in LCD display and a single built in user
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* LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
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* toggle '*' characters on the LCD. The left most '*' represents LED 0, the
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* next LED 1, etc.
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*
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* There is a single genuine on board LED referenced as LED 10.
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Demo application includes. */
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#include "partest.h"
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/* Constants required to setup the LCD. */
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#define LCD_DIV_64 5
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/* Constants required to access the "LED's". The LED segments are turned on
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and off to generate '*' characters. */
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#define partstNUM_LEDS ( ( unsigned portCHAR ) 6 )
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#define partstSEGMENTS_ON ( ( unsigned portCHAR ) 0x0f )
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#define partstSEGMENTS_OFF ( ( unsigned portCHAR ) 0x00 )
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/* The LED number of the real on board LED, rather than a simulated LED. */
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#define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 )
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#define mainON_BOARD_LED_BIT ( ( unsigned portCHAR ) 0x01 )
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/* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
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unsigned portCHAR * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned portCHAR * )0xa4,
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( unsigned portCHAR * )0xa2,
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( unsigned portCHAR * )0xa0,
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( unsigned portCHAR * )0x9e,
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( unsigned portCHAR * )0x9c,
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( unsigned portCHAR * )0x9a };
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unsigned portCHAR * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned portCHAR * )0xa3,
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( unsigned portCHAR * )0xa1,
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( unsigned portCHAR * )0x9f,
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( unsigned portCHAR * )0x9d,
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( unsigned portCHAR * )0x9b,
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( unsigned portCHAR * )0x99 };
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/*
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* Toggle the single genuine built in LED.
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*/
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static void prvToggleOnBoardLED( void );
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* Initialise the LCD hardware. */
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/* Used for the onboard LED. */
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P1DIR = 0x01;
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// Setup Basic Timer for LCD operation
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BTCTL = (LCD_DIV_64+0x23);
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// Setup port functions
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P1SEL = 0x32;
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P2SEL = 0x00;
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P3SEL = 0x00;
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P4SEL = 0xFC;
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P5SEL = 0xFF;
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/* Initialise all segments to off. */
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LCDM1 = partstSEGMENTS_OFF;
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LCDM2 = partstSEGMENTS_OFF;
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LCDM3 = partstSEGMENTS_OFF;
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LCDM4 = partstSEGMENTS_OFF;
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LCDM5 = partstSEGMENTS_OFF;
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LCDM6 = partstSEGMENTS_OFF;
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LCDM7 = partstSEGMENTS_OFF;
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LCDM8 = partstSEGMENTS_OFF;
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LCDM9 = partstSEGMENTS_OFF;
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LCDM10 = partstSEGMENTS_OFF;
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LCDM11 = partstSEGMENTS_OFF;
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LCDM12 = partstSEGMENTS_OFF;
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LCDM13 = partstSEGMENTS_OFF;
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LCDM14 = partstSEGMENTS_OFF;
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LCDM15 = partstSEGMENTS_OFF;
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LCDM16 = partstSEGMENTS_OFF;
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LCDM17 = partstSEGMENTS_OFF;
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LCDM18 = partstSEGMENTS_OFF;
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LCDM19 = partstSEGMENTS_OFF;
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LCDM20 = partstSEGMENTS_OFF;
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/* Setup LCD control. */
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LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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/* Set or clear the output [in this case show or hide the '*' character. */
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if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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{
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vTaskSuspendAll();
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{
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if( xValue )
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{
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/* Turn on the segments required to show the '*'. */
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*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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}
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else
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{
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/* Turn off all the segments. */
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*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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}
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}
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xTaskResumeAll();
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}
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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{
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vTaskSuspendAll();
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{
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/* If the '*' is already showing - hide it. If it is not already
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showing then show it. */
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if( *( ucRHSSegments[ uxLED ] ) )
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{
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*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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}
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else
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{
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*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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}
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}
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xTaskResumeAll();
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}
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else
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{
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if( uxLED == partstON_BOARD_LED )
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{
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/* The request related to the genuine on board LED. */
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prvToggleOnBoardLED();
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}
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}
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}
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/*-----------------------------------------------------------*/
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static void prvToggleOnBoardLED( void )
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{
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static unsigned portSHORT sState = pdFALSE;
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/* Toggle the state of the single genuine on board LED. */
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if( sState )
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{
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P1OUT |= mainON_BOARD_LED_BIT;
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}
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else
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{
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P1OUT &= ~mainON_BOARD_LED_BIT;
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}
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sState = !sState;
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}
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/*-----------------------------------------------------------*/
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