/* | |
* FreeRTOS Kernel V10.0.1 | |
* Copyright (C) 2017 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! | |
*/ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
#include "partest.h" | |
#define partstNUM_LEDs 4 | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines. | |
*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* Ensure LED outputs are set to GPIO */ | |
MCF_GPIO_PTCPAR = MCF_GPIO_PTCPAR_DTIN3_GPIO | MCF_GPIO_PTCPAR_DTIN2_GPIO | MCF_GPIO_PTCPAR_DTIN1_GPIO | MCF_GPIO_PTCPAR_DTIN0_GPIO; | |
/* Set GPIO to outputs. */ | |
MCF_GPIO_DDRTC = MCF_GPIO_DDRTC_DDRTC3 | MCF_GPIO_DDRTC_DDRTC2 | MCF_GPIO_DDRTC_DDRTC1 | MCF_GPIO_DDRTC_DDRTC0; | |
/* Start with all LEDs off. */ | |
MCF_GPIO_PORTTC = 0x00; | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
if( uxLED < partstNUM_LEDs ) | |
{ | |
if( xValue != 0 ) | |
{ | |
taskENTER_CRITICAL(); | |
MCF_GPIO_PORTTC |= ( 1 << uxLED ); | |
taskEXIT_CRITICAL(); | |
} | |
else | |
{ | |
taskENTER_CRITICAL(); | |
MCF_GPIO_PORTTC &= ~( 1 << uxLED ); | |
taskEXIT_CRITICAL(); | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
if( uxLED < partstNUM_LEDs ) | |
{ | |
taskENTER_CRITICAL(); | |
{ | |
if( ( MCF_GPIO_PORTTC & ( 1 << uxLED ) ) == ( unsigned char ) 0 ) | |
{ | |
MCF_GPIO_PORTTC |= ( 1 << uxLED ); | |
} | |
else | |
{ | |
MCF_GPIO_PORTTC &= ~( 1 << uxLED ); | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
unsigned portBASE_TYPE uxParTestGetLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
unsigned portBASE_TYPE uxReturn = pdFALSE; | |
if( uxLED < partstNUM_LEDs ) | |
{ | |
if( ( MCF_GPIO_PORTTC & ( 1 << uxLED ) ) != 0 ) | |
{ | |
uxReturn = pdTRUE; | |
} | |
} | |
return uxReturn; | |
} | |