text: /*
   * FreeRTOS Kernel V10.1.0
   * Copyright (C) 2018 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!
   */
  
  /*
  	Changes from V2.5.2
  		
  	+ All LED's are turned off to start.
  */
  
  
  #include "FreeRTOS.h"
  #include "partest.h"
  
  #define partstFIRST_IO			( ( unsigned long ) 0x400 )
  #define partstNUM_LEDS			( 4 )
  #define partstALL_OUTPUTS_OFF	( ( unsigned long ) 0xffffffff )
  
  /*-----------------------------------------------------------
   * Simple parallel port IO routines.
   *-----------------------------------------------------------*/
  
  void vParTestInitialise( void )
  {
  	/* This is performed from main() as the io bits are shared with other setup
  	functions. */
  
  	/* Turn all outputs off. */
  	GPIO_IOSET = partstALL_OUTPUTS_OFF;
  }
  /*-----------------------------------------------------------*/
  
  void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
  {
  unsigned long ulLED = partstFIRST_IO;
  
  	if( uxLED < partstNUM_LEDS )
  	{
  		/* Rotate to the wanted bit of port 0.  Only P10 to P13 have an LED
  		attached. */
  		ulLED <<= ( unsigned long ) uxLED;
  
  		/* Set of clear the output. */
  		if( xValue )
  		{
  			GPIO_IOCLR = ulLED;
  		}
  		else
  		{
  			GPIO_IOSET = ulLED;			
  		}
  	}	
  }
  /*-----------------------------------------------------------*/
  
  void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
  {
  unsigned long ulLED = partstFIRST_IO, ulCurrentState;
  
  	if( uxLED < partstNUM_LEDS )
  	{
  		/* Rotate to the wanted bit of port 0.  Only P10 to P13 have an LED
  		attached. */
  		ulLED <<= ( unsigned long ) uxLED;
  
  		/* If this bit is already set, clear it, and vice versa. */
  		ulCurrentState = GPIO0_IOPIN;
  		if( ulCurrentState & ulLED )
  		{
  			GPIO_IOCLR = ulLED;
  		}
  		else
  		{
  			GPIO_IOSET = ulLED;			
  		}
  	}	
  }
  
  