text: /*
   * FreeRTOS Kernel V10.3.1
   * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of
   * this software and associated documentation files (the "Software"), to deal in
   * the Software without restriction, including without limitation the rights to
   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
   * the Software, and to permit persons to whom the Software is furnished to do so,
   * subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
   * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
   * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   * http://www.FreeRTOS.org
   * http://aws.amazon.com/freertos
   *
   * 1 tab == 4 spaces!
   */
  
  /*-----------------------------------------------------------
   * Simple IO routines to control the LEDs.
   *-----------------------------------------------------------*/
  
  /* Scheduler includes. */
  #include "FreeRTOS.h"
  #include "task.h"
  
  /* Demo includes. */
  #include "partest.h"
  
  #define partestNUM_LEDS ( 4 )
  
  long lParTestGetLEDState( unsigned long ulLED );
  
  /*-----------------------------------------------------------*/
  
  void vParTestInitialise( void )
  {
  	/* Port pin configuration is done by the low level set up prior to this
  	function being called. */
  }
  /*-----------------------------------------------------------*/
  
  void vParTestSetLED( unsigned long ulLED, signed long xValue )
  {
  	if( ulLED < partestNUM_LEDS )
  	{
  		if( xValue != 0 )
  		{
  			/* Turn the LED on. */
  			taskENTER_CRITICAL();
  			{
  				switch( ulLED )
  				{
  					case 0:	LED0 = LED_ON;
  							break;
  					case 1:	LED1 = LED_ON;
  							break;
  					case 2:	LED2 = LED_ON;
  							break;
  					case 3:	LED3 = LED_ON;
  							break;
  				}
  			}
  			taskEXIT_CRITICAL();
  		}
  		else
  		{
  			/* Turn the LED off. */
  			taskENTER_CRITICAL();
  			{
  				switch( ulLED )
  				{
  					case 0:	LED0 = LED_OFF;
  							break;
  					case 1:	LED1 = LED_OFF;
  							break;
  					case 2:	LED2 = LED_OFF;
  							break;
  					case 3:	LED3 = LED_OFF;
  							break;
  				}
  
  			}
  			taskEXIT_CRITICAL();
  		}
  	}
  }
  /*-----------------------------------------------------------*/
  
  void vParTestToggleLED( unsigned long ulLED )
  {
  	if( ulLED < partestNUM_LEDS )
  	{
  		taskENTER_CRITICAL();
  		{
  			if( lParTestGetLEDState( ulLED ) != 0x00 )
  			{
  				vParTestSetLED( ulLED, 0 );
  			}
  			else
  			{
  				vParTestSetLED( ulLED, 1 );
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  }
  /*-----------------------------------------------------------*/
  
  long lParTestGetLEDState( unsigned long ulLED )
  {
  long lReturn = pdTRUE;
  
  	if( ulLED < partestNUM_LEDS )
  	{
  		switch( ulLED )
  		{
  			case 0	:	if( LED0 != 0 )
  						{
  							lReturn =  pdFALSE;
  						}
  						break;
  			case 1	:	if( LED1 != 0 )
  						{
  							lReturn =  pdFALSE;
  						}
  						break;
  			case 2	:	if( LED2 != 0 )
  						{
  							lReturn =  pdFALSE;
  						}
  						break;
  			case 3	:	if( LED3 != 0 )
  						{
  							lReturn =  pdFALSE;
  						}
  						break;
  		}
  	}
  
  	return lReturn;
  }
  /*-----------------------------------------------------------*/
  
  