/* | |
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. | |
*/ | |
/* 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 ) ); | |
} | |