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/*
* FreeRTOS Kernel V10.4.1
* 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!
*/
/* FreeRTOS.org includes. */
#include "FreeRTOS.h"
/* Demo application includes. */
#include "partest.h"
#define partstFIRST_IO ( ( unsigned long ) 0x04 )
#define partstFIO2_BITS ( ( unsigned long ) 0x0000007C )
#define partstFIO1_BITS ( ( unsigned long ) 0xB0000000 )
#define partstNUM_LEDS ( 5 )
#define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xff )
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* LEDs on ports 1 and 2 to output. */
GPIO2->FIODIR = partstFIO2_BITS;
GPIO1->FIODIR = partstFIO1_BITS;
/* Start will all LEDs off. */
GPIO2->FIOCLR = partstFIO2_BITS;
GPIO1->FIOCLR = partstFIO1_BITS;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned long ulLEDIn, signed long xValue )
{
unsigned long ulLED = partstFIRST_IO;
/* Used to set and clear LEDs on FIO2. */
if( ulLEDIn < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port */
ulLED <<= ( unsigned long ) ulLEDIn;
/* Set of clear the output. */
if( xValue )
{
GPIO2->FIOCLR = ulLED;
}
else
{
GPIO2->FIOSET = ulLED;
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned long ulLEDIn )
{
unsigned long ulLED = partstFIRST_IO, ulCurrentState;
/* Used to toggle LEDs on FIO2. */
if( ulLEDIn < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
attached. */
ulLED <<= ( unsigned long ) ulLEDIn;
/* If this bit is already set, clear it, and vice versa. */
ulCurrentState = GPIO2->FIOPIN;
if( ulCurrentState & ulLED )
{
GPIO2->FIOCLR = ulLED;
}
else
{
GPIO2->FIOSET = ulLED;
}
}
}
/*-----------------------------------------------------------*/
long lParTestGetLEDState( void )
{
/* Returns the state of the LEDs on FIO1. */
if( ( GPIO1->FIOPIN & partstFIO1_BITS ) != 0 )
{
return pdFALSE;
}
else
{
return pdTRUE;
}
}
/*-----------------------------------------------------------*/
void vParTestSetLEDState( long lState )
{
/* Used to set and clear the LEDs on FIO1. */
if( lState != pdFALSE )
{
GPIO1->FIOSET = partstFIO1_BITS;
}
else
{
GPIO1->FIOCLR = partstFIO1_BITS;
}
}
/*-----------------------------------------------------------*/
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