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141 lines
6.0 KiB
C
141 lines
6.0 KiB
C
/*
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FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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>>! NOTE: The modification to the GPL is included to allow you to !<<
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>>! distribute a combined work that includes FreeRTOS without being !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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/* Library includes. */
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#include "GPIO.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* Demo application includes. */
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#include "partest.h"
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/*-----------------------------------------------------------
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* Simple parallel port IO routines for the LED's - which are
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* connected to the second nibble of GPIO port 1.
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*-----------------------------------------------------------*/
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#define partstLED_3 0x0080
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#define partstLED_2 0x0040
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#define partstLED_1 0x0020
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#define partstLED_0 0x0010
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#define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */
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#define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD )
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#define partstFIRST_LED_BIT 4
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/* This demo application uses files that are common to all port demo
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applications. These files assume 6 LED's are available, whereas I have
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only 5 (including the LED built onto the development board). To prevent
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two tasks trying to use the same LED a bit of remapping is performed.
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The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and
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has no effect, LED 7 is mapped to LED3. The LED usage is described in
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the port documentation available from the FreeRTOS.org WEB site. */
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#define partstCOM_TEST_LED 7
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#define partstRX_CHAR_LED 3
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* Configure the bits used to flash LED's on port 1 as output. */
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GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD);
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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if( uxLED == partstCOM_TEST_LED )
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{
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/* Remap as described above. */
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uxLED = partstRX_CHAR_LED;
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}
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/* Adjust the LED value to map to the port pins actually being used,
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then write the required value to the port. */
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uxLED += partstFIRST_LED_BIT;
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GPIO_BitWrite( GPIO1, uxLED, !xValue );
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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if( uxLED == partstCOM_TEST_LED )
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{
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/* Remap as described above. */
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uxLED = partstRX_CHAR_LED;
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}
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/* Adjust the LED value to map to the port pins actually being used,
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then write the opposite value to the current state to the port pin. */
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uxLED += partstFIRST_LED_BIT;
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GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) );
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}
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