/* | |
FreeRTOS V7.0.0 - Copyright (C) 2011 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* FreeRTOS tutorial books are available in pdf and paperback. * | |
* Complete, revised, and edited pdf reference manuals are also * | |
* available. * | |
* * | |
* Purchasing FreeRTOS documentation will not only help you, by * | |
* ensuring you get running as quickly as possible and with an * | |
* in-depth knowledge of how to use FreeRTOS, it will also help * | |
* the FreeRTOS project to continue with its mission of providing * | |
* professional grade, cross platform, de facto standard solutions * | |
* for microcontrollers - completely free of charge! * | |
* * | |
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
* * | |
* Thank you for using FreeRTOS, and thank you for your support! * | |
* * | |
*************************************************************************** | |
This file is part of the FreeRTOS distribution. | |
FreeRTOS is free software; you can redistribute it and/or modify it under | |
the terms of the GNU General Public License (version 2) as published by the | |
Free Software Foundation AND MODIFIED BY the FreeRTOS exception. | |
>>>NOTE<<< The modification to the GPL is included to allow you to | |
distribute a combined work that includes FreeRTOS without being obliged to | |
provide the source code for proprietary components outside of the FreeRTOS | |
kernel. FreeRTOS is distributed in the hope that it will be useful, but | |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
more details. You should have received a copy of the GNU General Public | |
License and the FreeRTOS license exception along with FreeRTOS; if not it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
/* | |
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(); | |
} | |
} | |