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 IO routines to control the LEDs.
   *-----------------------------------------------------------*/
  
  /* Scheduler includes. */
  #include "FreeRTOS.h"
  #include "task.h"
  
  /* Demo includes. */
  #include "partest.h"
  
  /* Library includes. */
  #include <board.h>
  #include <gpio.h>
  
  /* The number of LEDs available to the user on the evaluation kit. */
  #define partestNUM_LEDS			( 3UL )
  
  /* One of the LEDs is wired in the inverse to the others as it is also used as
  the power LED. */
  #define partstsINVERTED_LED		( 0UL )
  
  /* The index of the pins to which the LEDs are connected.  The ordering of the
  LEDs in this array is intentional and matches the order they appear on the
  hardware. */
  static const uint32_t ulLED[] = { LED2_GPIO, LED0_GPIO, LED1_GPIO };
  
  /*-----------------------------------------------------------*/
  
  void vParTestInitialise( void )
  {
  unsigned long ul;
  
  	for( ul = 0; ul < partestNUM_LEDS; ul++ )
  	{
  		/* Configure the LED, before ensuring it starts in the off state. */
  		gpio_configure_pin( ulLED[ ul ],  ( PIO_OUTPUT_1 | PIO_DEFAULT ) );
  		vParTestSetLED( ul, pdFALSE );
  	}
  }
  /*-----------------------------------------------------------*/
  
  void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
  {
  	if( uxLED < partestNUM_LEDS )
  	{
  		if( uxLED == partstsINVERTED_LED )
  		{
  			xValue = !xValue;
  		}
  
  		if( xValue != pdFALSE )
  		{
  			/* Turn the LED on. */
  			taskENTER_CRITICAL();
  			{
  				gpio_set_pin_low( ulLED[ uxLED ]);
  			}
  			taskEXIT_CRITICAL();
  		}
  		else
  		{
  			/* Turn the LED off. */
  			taskENTER_CRITICAL();
  			{
  				gpio_set_pin_high( ulLED[ uxLED ]);
  			}
  			taskEXIT_CRITICAL();
  		}
  	}
  }
  /*-----------------------------------------------------------*/
  
  void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
  {
  	if( uxLED < partestNUM_LEDS )
  	{
  		taskENTER_CRITICAL();
  		{
  			gpio_toggle_pin( ulLED[ uxLED ] );
  		}
  		taskEXIT_CRITICAL();
  	}
  }
  
  
  
  