text: /*
   * FreeRTOS V202107.00
   * 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 parallel port IO routines.
   *-----------------------------------------------------------*/
  
  /* FreeRTOS includes. */
  #include "FreeRTOS.h"
  #include "task.h"
  
  /* Demo includes. */
  #include "partest.h"
  
  #define partstTOTAL_NUM_LEDs		16
  #define partstNUM_LEDs_PER_DISPLAY	8
  
  volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned char * ) 3, ( unsigned char * ) 5 };
  
  void vParTestInitialise( void )
  {
  	/* In this case all the initialisation is performed in prvSetupHardware()
  	in main.c. */	
  }
  /*-----------------------------------------------------------*/
  
  void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
  {
  unsigned portBASE_TYPE uxLEDMask = 0x01;
  
  	if( uxLED < partstNUM_LEDs_PER_DISPLAY )
  	{
  		uxLEDMask <<= uxLED;
  		
  		taskENTER_CRITICAL();
  		{
  			if( xValue )
  			{
  				*pucDisplayOutput[ 0 ] &= ~uxLEDMask;
  			}
  			else
  			{
  				*pucDisplayOutput[ 0 ] |= uxLEDMask;				
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  	else if( uxLED < partstTOTAL_NUM_LEDs )
  	{
  		uxLED -= partstNUM_LEDs_PER_DISPLAY;
  
  		uxLEDMask <<= uxLED;
  		
  		taskENTER_CRITICAL();
  		{
  			if( xValue )
  			{
  				*pucDisplayOutput[ 1 ] &= ~uxLEDMask;
  			}
  			else
  			{
  				*pucDisplayOutput[ 1 ] |= uxLEDMask;				
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  }
  /*-----------------------------------------------------------*/
  
  void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
  {
  unsigned portBASE_TYPE uxLEDMask = 0x01;
  
  	if( uxLED < partstNUM_LEDs_PER_DISPLAY )
  	{
  		uxLEDMask <<= uxLED;
  		
  		taskENTER_CRITICAL();
  		{
  			if( *pucDisplayOutput[ 0 ] & uxLEDMask )
  			{
  				*pucDisplayOutput[ 0 ] &= ~uxLEDMask;
  			}
  			else
  			{
  				*pucDisplayOutput[ 0 ] |= uxLEDMask;
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  	else if( uxLED < partstTOTAL_NUM_LEDs )
  	{
  		uxLED -= partstNUM_LEDs_PER_DISPLAY;
  
  		uxLEDMask <<= uxLED;
  		
  		taskENTER_CRITICAL();
  		{
  			if( *pucDisplayOutput[ 1 ] & uxLEDMask )
  			{
  				*pucDisplayOutput[ 1 ] &= ~uxLEDMask;
  			}
  			else
  			{
  				*pucDisplayOutput[ 1 ] |= uxLEDMask;
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  }
  
  
  
  
  