text: /*
   * FreeRTOS Kernel V10.4.0
   * 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.
   *-----------------------------------------------------------*/
  
  /* Kernel includes. */
  #include "FreeRTOS.h"
  #include "task.h"
  
  /* Fujitsu drivers/libraries. */
  #include "mb9bf506n.h"
  #include "system_mb9bf50x.h"
  
  /* Only the LEDs on one of the two seven segment displays are used. */
  #define partstMAX_LEDS		8
  
  /* The LEDs are controlled by bits 8 to 15 of the IO port. */
  #define partstLED_0_OFFSET	8
  
  /*-----------------------------------------------------------*/
  
  void vParTestInitialise( void )
  {
  const unsigned short usGPIOState = 0xFF00U;
  
  	/* Analog inputs are not used on the LED outputs. */
  	FM3_GPIO->ADE  = 0x00FF;
  	
  	/* LED seg1 to GPIO output (P18->P1F). */
  	FM3_GPIO->DDR1 = 0xFF00;
  	FM3_GPIO->PFR1 = 0x0000;
  	
  	/* LED seg2 to GPIO output (P30->P3F). */
  	FM3_GPIO->DDR3 = 0xFF00;
  	FM3_GPIO->PFR3 = 0x0000;
  	
  	/* Start with all LEDs off. */
  	FM3_GPIO->PDOR3 = usGPIOState;
  	FM3_GPIO->PDOR1 = usGPIOState;
  }
  /*-----------------------------------------------------------*/
  
  void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
  {
  	if( uxLED < partstMAX_LEDS )
  	{
  		/* A critical section is used as the LEDs are also accessed from an
  		interrupt. */
  		taskENTER_CRITICAL();
  		{
  			if( xValue == pdTRUE )
  			{
  				FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
  			}
  			else
  			{
  				FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  }
  /*-----------------------------------------------------------*/
  
  void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
  {
  unsigned portBASE_TYPE uxInterruptFlags;
  
  	uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
  	{
  		if( uxLED < partstMAX_LEDS )
  		{
  			if( xValue == pdTRUE )
  			{
  				FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
  			}
  			else
  			{
  				FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
  			}
  		}
  	}
  	portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
  }
  /*-----------------------------------------------------------*/
  
  void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
  {
  	if( uxLED < partstMAX_LEDS )
  	{
  		/* A critical section is used as the LEDs are also accessed from an
  		interrupt. */
  		taskENTER_CRITICAL();
  		{
  			if( ( FM3_GPIO->PDOR3 & ( 1UL << ( uxLED + partstLED_0_OFFSET ) ) ) != 0UL )
  			{
  				FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );
  			}
  			else
  			{
  				FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  }
  /*-----------------------------------------------------------*/
  
  long lParTestGetLEDState( unsigned long ulLED )
  {
  long lReturn = pdFALSE;
  
  	if( ulLED < partstMAX_LEDS )
  	{
  		taskENTER_CRITICAL();
  		{
  			if( ( FM3_GPIO->PDOR3 & ( 1UL << ( ulLED + partstLED_0_OFFSET ) ) ) == 0UL )
  			{
  				lReturn = pdTRUE;
  			}
  		}
  		taskEXIT_CRITICAL();
  	}
  
  	return lReturn;
  }
  /*-----------------------------------------------------------*/
  