FreeRTOS/Demo/CORTEX_LM3S102_Rowley/Demo3/ParTest.c

/*
 * FreeRTOS Kernel V10.3.0
 * 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 include files. */
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"

/* Hardware specific include files. */
#include "DriverLib.h"

static const unsigned long ulLEDs[] =
{
	GPIO_PIN_6, GPIO_PIN_1, GPIO_PIN_0
};

#define partstLED_PINS ( GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_6 )

#define partstMAX_OUTPUT_LED	( ( unsigned char ) 3 )

/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
portBASE_TYPE xLED;

	/* The LED's are on port B. */
    GPIODirModeSet( GPIO_PORTB_BASE, partstLED_PINS, GPIO_DIR_MODE_OUT );

	for( xLED = 0; xLED < partstMAX_OUTPUT_LED; xLED++ )
	{
		vParTestSetLED( xLED, pdFALSE );
	}
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
	vTaskSuspendAll();
	{
		if( uxLED < partstMAX_OUTPUT_LED )
		{
			if( xValue == pdFALSE )
			{
				GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ulLEDs[ uxLED ] );
			}
			else
			{
				GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ~ulLEDs[ uxLED ] );
			}
		}	
	}
	xTaskResumeAll();
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
portBASE_TYPE xCurrentValue;

	vTaskSuspendAll();
	{
		if( uxLED < partstMAX_OUTPUT_LED )
		{
			xCurrentValue = GPIOPinRead( GPIO_PORTB_BASE, ulLEDs[ uxLED ] );
			if( xCurrentValue )
			{
				GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ~ulLEDs[ uxLED ] );
			}
			else
			{
				GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ulLEDs[ uxLED ] );
			}
		}
	}
	xTaskResumeAll();
}