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/*
* 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!
*/
/*
Changes from V2.5.2
+ All LED's are turned off to start.
*/
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
#define partstNUM_LEDs 4
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* Enable signals as GPIO */
MCF_GPIO_PTCPAR = 0
| MCF_GPIO_PTCPAR_DTIN3_GPIO
| MCF_GPIO_PTCPAR_DTIN2_GPIO
| MCF_GPIO_PTCPAR_DTIN1_GPIO
| MCF_GPIO_PTCPAR_DTIN0_GPIO;
/* Enable signals as digital outputs */
MCF_GPIO_DDRTC = 0
| MCF_GPIO_DDRTC_DDRTC3
| MCF_GPIO_DDRTC_DDRTC2
| MCF_GPIO_DDRTC_DDRTC1
| MCF_GPIO_DDRTC_DDRTC0;
MCF_GPIO_PORTTC = 0x00; // TURN LEDS OFF
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portBASE_TYPE uxLEDMask;
if( uxLED < partstNUM_LEDs )
{
uxLEDMask = 1UL << uxLED;
taskENTER_CRITICAL();
{
if( xValue )
{
MCF_GPIO_PORTTC |= uxLEDMask;
}
else
{
MCF_GPIO_PORTTC &= ~uxLEDMask;
}
}
taskEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned portBASE_TYPE uxLEDMask;
if( uxLED < partstNUM_LEDs )
{
uxLEDMask = 1UL << uxLED;
taskENTER_CRITICAL();
{
if( MCF_GPIO_PORTTC & uxLEDMask )
{
MCF_GPIO_PORTTC &= ~uxLEDMask;
}
else
{
MCF_GPIO_PORTTC |= uxLEDMask;
}
}
taskEXIT_CRITICAL();
}
}
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