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/*
* FreeRTOS Kernel V10.2.1
* Copyright (C) 2019 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 GPIO (parallel port) IO routines.
*-----------------------------------------------------------*/
/* Kernel includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Hardware includes. */
#include <XMC1100.h>
/* Standard demo include. */
#include "partest.h"
/* The port bits on which LEDs are connected. */
static const unsigned long ulLEDPorts[] =
{
0, /* P0.5 */
0, /* P0.6 */
1, /* P1.2 */
1, /* P1.3 */
1, /* P1.4 */
1 /* P1.5 */
};
/* The port bits on which LEDs are connected. */
static const unsigned long ulLEDBits[] =
{
1 << 5, /* P0.5 */
1 << 6, /* P0.6 */
1 << 2, /* P1.2 */
1 << 3, /* P1.3 */
1 << 4, /* P1.4 */
1 << 5 /* P1.5 */
};
#define partstNUM_LEDS ( sizeof( ulLEDBits ) / sizeof( unsigned long ) )
/* Shift the LED bit into the correct position within the POW register to
perform the desired operation. */
#define partstON_SHIFT ( 16UL )
#define partstOFF_SHIFT ( 0UL )
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* Configure relevant port P0 to push pull output to drive LEDs. */
/* P0.5 */
PORT0->IOCR4 &= ~( ( 0xFFUL << 8 ) );
PORT0->IOCR4 |= ( 0x80UL << 8 );
vParTestSetLED( 0, pdFALSE );
/* P0.6 */
PORT0->IOCR4 &= ~( ( 0xFFUL << 16 ) );
PORT0->IOCR4 |= ( 0x80UL << 16 );
vParTestSetLED( 1, pdFALSE );
/* P1.2 */
PORT1->IOCR0 &= ~( ( 0xFFUL << 16 ) );
PORT1->IOCR0 |= ( 0x80UL << 16 );
vParTestSetLED( 2, pdFALSE );
/* P1.3 */
PORT1->IOCR0 &= ~( ( 0xFFUL << 24 ) );
PORT1->IOCR0 |= ( 0x80UL << 24 );
vParTestSetLED( 3, pdFALSE );
/* P1.4 */
PORT1->IOCR4 &= ~( ( 0xFFUL << 0 ) );
PORT1->IOCR4 |= ( 0x80UL << 0 );
vParTestSetLED( 4, pdFALSE );
/* P1.5 */
PORT1->IOCR4 &= ~( ( 0xFFUL << 8 ) );
PORT1->IOCR4 |= ( 0x80UL << 8 );
vParTestSetLED( 5, pdFALSE );
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned long ulLED, signed portBASE_TYPE xValue )
{
if( ulLED < partstNUM_LEDS )
{
if( xValue == pdTRUE )
{
/* Turn the LED on. */
if( ulLEDPorts[ ulLED ] == 0x00 )
{
PORT0->OMR = ( ulLEDBits[ ulLED ] << partstON_SHIFT );
}
else
{
PORT1->OMR = ( ulLEDBits[ ulLED ] << partstON_SHIFT );
}
}
else
{
/* Turn the LED off. */
if( ulLEDPorts[ ulLED ] == 0x00 )
{
PORT0->OMR = ( ulLEDBits[ ulLED ] << partstOFF_SHIFT );
}
else
{
PORT1->OMR = ( ulLEDBits[ ulLED ] << partstOFF_SHIFT );
}
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned long ulLED )
{
if( ulLED < partstNUM_LEDS )
{
/* Setting both the ON and OFF bits simultaneously results in the bit
being toggled. */
if( ulLEDPorts[ ulLED ] == 0x00 )
{
PORT0->OMR = ( ulLEDBits[ ulLED ] << partstON_SHIFT ) | ( ulLEDBits[ ulLED ] << partstOFF_SHIFT );
}
else
{
PORT1->OMR = ( ulLEDBits[ ulLED ] << partstON_SHIFT ) | ( ulLEDBits[ ulLED ] << partstOFF_SHIFT );
}
}
}
/*-----------------------------------------------------------*/
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