/* | |
FreeRTOS V7.4.1 - Copyright (C) 2013 Real Time Engineers Ltd. | |
FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT | |
http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
*************************************************************************** | |
* * | |
* 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 Real Time Engineers Ltd., contact details for whom are available | |
on the FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
*************************************************************************** | |
* * | |
* Having a problem? Start by reading the FAQ "My application does * | |
* not run, what could be wrong?" * | |
* * | |
* http://www.FreeRTOS.org/FAQHelp.html * | |
* * | |
*************************************************************************** | |
http://www.FreeRTOS.org - Documentation, books, training, latest versions, | |
license and Real Time Engineers Ltd. contact details. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool, and our new | |
fully thread aware and reentrant UDP/IP stack. | |
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
Integrity Systems, who sell the code with commercial support, | |
indemnification and middleware, under the OpenRTOS brand. | |
http://www.SafeRTOS.com - High Integrity Systems also provide a safety | |
engineered and independently SIL3 certified version for use in safety and | |
mission critical applications that require provable dependability. | |
*/ | |
/* 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 ) ); | |
} | |