/* | |
FreeRTOS.org V5.4.0 - Copyright (C) 2003-2009 Richard Barry. | |
This file is part of the FreeRTOS.org distribution. | |
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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 exception to the GPL is included to allow you to distribute a | |
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the source code for any proprietary components. Alternative commercial | |
license and support terms are also available upon request. See the | |
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FreeRTOS.org 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 along | |
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*************************************************************************** | |
* * | |
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation * | |
* * | |
* This is a concise, step by step, 'hands on' guide that describes both * | |
* general multitasking concepts and FreeRTOS specifics. It presents and * | |
* explains numerous examples that are written using the FreeRTOS API. * | |
* Full source code for all the examples is provided in an accompanying * | |
* .zip file. * | |
* * | |
*************************************************************************** | |
1 tab == 4 spaces! | |
Please ensure to read the configuration and relevant port sections of the | |
online documentation. | |
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(); | |
} | |
} | |