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jeremybenn |
/*
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FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* If you are: *
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* *
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* + New to FreeRTOS, *
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* + Wanting to learn FreeRTOS or multitasking in general quickly *
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* + Looking for basic training, *
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* + Wanting to improve your FreeRTOS skills and productivity *
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* *
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* then take a look at the FreeRTOS books - available as PDF or paperback *
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* *
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* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
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* http://www.FreeRTOS.org/Documentation *
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* *
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* A pdf reference manual is also available. Both are usually delivered *
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* to your inbox within 20 minutes to two hours when purchased between 8am *
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* and 8pm GMT (although please allow up to 24 hours in case of *
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* exceptional circumstances). Thank you for your support! *
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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 exception to the GPL is included to allow you to distribute
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a combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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#include <c8051f120.h>
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#include "FreeRTOS.h"
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#include "task.h"
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#include "partest.h"
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#define partstPUSH_PULL ( ( unsigned char ) 0xff )
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#define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0xff )
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/* LED to output is dependent on how the LED's are wired. */
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#define partstOUTPUT_0 ( ( unsigned char ) 0x02 )
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#define partstOUTPUT_1 ( ( unsigned char ) 0x08 )
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#define partstOUTPUT_2 ( ( unsigned char ) 0x20 )
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#define partstOUTPUT_3 ( ( unsigned char ) 0x01 )
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#define partstOUTPUT_4 ( ( unsigned char ) 0x04 )
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#define partstOUTPUT_5 ( ( unsigned char ) 0x10 )
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#define partstOUTPUT_6 ( ( unsigned char ) 0x40 )
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#define partstOUTPUT_7 ( ( unsigned char ) 0x80 )
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/*-----------------------------------------------------------
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* Simple parallel port IO routines.
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*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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unsigned char ucOriginalSFRPage;
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/* Remember the SFR page before it is changed so it can get set back
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before the function exits. */
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ucOriginalSFRPage = SFRPAGE;
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/* Setup the SFR page to access the config SFR's. */
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SFRPAGE = CONFIG_PAGE;
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/* Set the on board LED to push pull. */
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P3MDOUT |= partstPUSH_PULL;
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/* Return the SFR page. */
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SFRPAGE = ucOriginalSFRPage;
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P3 = partstALL_OUTPUTS_OFF;
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
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{
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portBASE_TYPE xError = pdFALSE;
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vTaskSuspendAll();
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{
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if( xValue == pdFALSE )
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{
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switch( uxLED )
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{
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case 0 : P3 |= partstOUTPUT_0;
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break;
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case 1 : P3 |= partstOUTPUT_1;
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break;
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case 2 : P3 |= partstOUTPUT_2;
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break;
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case 3 : P3 |= partstOUTPUT_3;
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break;
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case 4 : P3 |= partstOUTPUT_4;
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break;
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case 5 : P3 |= partstOUTPUT_5;
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break;
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case 6 : P3 |= partstOUTPUT_6;
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break;
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case 7 : P3 |= partstOUTPUT_7;
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break;
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default : /* There are no other LED's wired in. */
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xError = pdTRUE;
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break;
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}
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}
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else
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{
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switch( uxLED )
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{
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case 0 : P3 &= ~partstOUTPUT_0;
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break;
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case 1 : P3 &= ~partstOUTPUT_1;
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break;
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case 2 : P3 &= ~partstOUTPUT_2;
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break;
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case 3 : P3 &= ~partstOUTPUT_3;
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break;
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case 4 : P3 &= ~partstOUTPUT_4;
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break;
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case 5 : P3 &= ~partstOUTPUT_5;
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break;
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case 6 : P3 &= ~partstOUTPUT_6;
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break;
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case 7 : P3 &= ~partstOUTPUT_7;
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break;
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default : /* There are no other LED's wired in. */
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break;
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}
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}
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}
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xTaskResumeAll();
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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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unsigned char ucBit;
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portBASE_TYPE xError = pdFALSE;
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vTaskSuspendAll();
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{
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switch( uxLED )
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{
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case 0 : ucBit = partstOUTPUT_0;
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break;
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case 1 : ucBit = partstOUTPUT_1;
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break;
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case 2 : ucBit = partstOUTPUT_2;
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break;
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case 3 : ucBit = partstOUTPUT_3;
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break;
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case 4 : ucBit = partstOUTPUT_4;
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break;
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case 5 : ucBit = partstOUTPUT_5;
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break;
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case 6 : ucBit = partstOUTPUT_6;
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break;
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case 7 : ucBit = partstOUTPUT_7;
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break;
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default : /* There are no other LED's wired in. */
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xError = pdTRUE;
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break;
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}
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if( xError != pdTRUE )
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{
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if( P3 & ucBit )
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{
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P3 &= ~ucBit;
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}
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else
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{
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P3 |= ucBit;
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}
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}
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}
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xTaskResumeAll();
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}
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