/* | |
FreeRTOS.org V5.0.4 - Copyright (C) 2003-2008 Richard Barry. | |
This file is part of the FreeRTOS.org distribution. | |
FreeRTOS.org is free software; you can redistribute it and/or modify | |
it under the terms of the GNU General Public License as published by | |
the Free Software Foundation; either version 2 of the License, or | |
(at your option) any later version. | |
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 with FreeRTOS.org; if not, write to the Free Software | |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
A special exception to the GPL can be applied should you wish to distribute | |
a combined work that includes FreeRTOS.org, without being obliged to provide | |
the source code for any proprietary components. See the licensing section | |
of http://www.FreeRTOS.org for full details of how and when the exception | |
can be applied. | |
*************************************************************************** | |
*************************************************************************** | |
* * | |
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, * | |
* and even write all or part of your application on your behalf. * | |
* See http://www.OpenRTOS.com for details of the services we provide to * | |
* expedite your project. * | |
* * | |
*************************************************************************** | |
*************************************************************************** | |
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. | |
*/ | |
/* Library includes. */ | |
#include "GPIO.h" | |
/* Scheduler includes. */ | |
#include "FreeRTOS.h" | |
/* Demo application includes. */ | |
#include "partest.h" | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines for the LED's - which are | |
* connected to the second nibble of GPIO port 1. | |
*-----------------------------------------------------------*/ | |
#define partstLED_3 0x0080 | |
#define partstLED_2 0x0040 | |
#define partstLED_1 0x0020 | |
#define partstLED_0 0x0010 | |
#define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */ | |
#define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD ) | |
#define partstFIRST_LED_BIT 4 | |
/* This demo application uses files that are common to all port demo | |
applications. These files assume 6 LED's are available, whereas I have | |
only 5 (including the LED built onto the development board). To prevent | |
two tasks trying to use the same LED a bit of remapping is performed. | |
The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and | |
has no effect, LED 7 is mapped to LED3. The LED usage is described in | |
the port documentation available from the FreeRTOS.org WEB site. */ | |
#define partstCOM_TEST_LED 7 | |
#define partstRX_CHAR_LED 3 | |
/*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* Configure the bits used to flash LED's on port 1 as output. */ | |
GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD); | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
if( uxLED == partstCOM_TEST_LED ) | |
{ | |
/* Remap as described above. */ | |
uxLED = partstRX_CHAR_LED; | |
} | |
/* Adjust the LED value to map to the port pins actually being used, | |
then write the required value to the port. */ | |
uxLED += partstFIRST_LED_BIT; | |
GPIO_BitWrite( GPIO1, uxLED, !xValue ); | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
if( uxLED == partstCOM_TEST_LED ) | |
{ | |
/* Remap as described above. */ | |
uxLED = partstRX_CHAR_LED; | |
} | |
/* Adjust the LED value to map to the port pins actually being used, | |
then write the opposite value to the current state to the port pin. */ | |
uxLED += partstFIRST_LED_BIT; | |
GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) ); | |
} | |