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/*
FreeRTOS.org V5.1.2 - Copyright (C) 2003-2009 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.
***************************************************************************
***************************************************************************
* *
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
* *
* This is a concise, step by step, 'hands on' guide that describes both *
* general multitasking concepts and FreeRTOS specifics. It presents and *
* explains numerous examples that are written using the FreeRTOS API. *
* Full source code for all the examples is provided in an accompanying *
* .zip file. *
* *
***************************************************************************
***************************************************************************
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.
*/
#include <c8051f120.h>
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
#define partstPUSH_PULL ( ( unsigned portCHAR ) 0xff )
#define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0xff )
/* LED to output is dependent on how the LED's are wired. */
#define partstOUTPUT_0 ( ( unsigned portCHAR ) 0x02 )
#define partstOUTPUT_1 ( ( unsigned portCHAR ) 0x08 )
#define partstOUTPUT_2 ( ( unsigned portCHAR ) 0x20 )
#define partstOUTPUT_3 ( ( unsigned portCHAR ) 0x01 )
#define partstOUTPUT_4 ( ( unsigned portCHAR ) 0x04 )
#define partstOUTPUT_5 ( ( unsigned portCHAR ) 0x10 )
#define partstOUTPUT_6 ( ( unsigned portCHAR ) 0x40 )
#define partstOUTPUT_7 ( ( unsigned portCHAR ) 0x80 )
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
unsigned portCHAR ucOriginalSFRPage;
/* Remember the SFR page before it is changed so it can get set back
before the function exits. */
ucOriginalSFRPage = SFRPAGE;
/* Setup the SFR page to access the config SFR's. */
SFRPAGE = CONFIG_PAGE;
/* Set the on board LED to push pull. */
P3MDOUT |= partstPUSH_PULL;
/* Return the SFR page. */
SFRPAGE = ucOriginalSFRPage;
P3 = partstALL_OUTPUTS_OFF;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
{
portBASE_TYPE xError = pdFALSE;
vTaskSuspendAll();
{
if( xValue == pdFALSE )
{
switch( uxLED )
{
case 0 : P3 |= partstOUTPUT_0;
break;
case 1 : P3 |= partstOUTPUT_1;
break;
case 2 : P3 |= partstOUTPUT_2;
break;
case 3 : P3 |= partstOUTPUT_3;
break;
case 4 : P3 |= partstOUTPUT_4;
break;
case 5 : P3 |= partstOUTPUT_5;
break;
case 6 : P3 |= partstOUTPUT_6;
break;
case 7 : P3 |= partstOUTPUT_7;
break;
default : /* There are no other LED's wired in. */
xError = pdTRUE;
break;
}
}
else
{
switch( uxLED )
{
case 0 : P3 &= ~partstOUTPUT_0;
break;
case 1 : P3 &= ~partstOUTPUT_1;
break;
case 2 : P3 &= ~partstOUTPUT_2;
break;
case 3 : P3 &= ~partstOUTPUT_3;
break;
case 4 : P3 &= ~partstOUTPUT_4;
break;
case 5 : P3 &= ~partstOUTPUT_5;
break;
case 6 : P3 &= ~partstOUTPUT_6;
break;
case 7 : P3 &= ~partstOUTPUT_7;
break;
default : /* There are no other LED's wired in. */
break;
}
}
}
xTaskResumeAll();
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned portCHAR ucBit;
portBASE_TYPE xError = pdFALSE;
vTaskSuspendAll();
{
switch( uxLED )
{
case 0 : ucBit = partstOUTPUT_0;
break;
case 1 : ucBit = partstOUTPUT_1;
break;
case 2 : ucBit = partstOUTPUT_2;
break;
case 3 : ucBit = partstOUTPUT_3;
break;
case 4 : ucBit = partstOUTPUT_4;
break;
case 5 : ucBit = partstOUTPUT_5;
break;
case 6 : ucBit = partstOUTPUT_6;
break;
case 7 : ucBit = partstOUTPUT_7;
break;
default : /* There are no other LED's wired in. */
xError = pdTRUE;
break;
}
if( xError != pdTRUE )
{
if( P3 & ucBit )
{
P3 &= ~ucBit;
}
else
{
P3 |= ucBit;
}
}
}
xTaskResumeAll();
}
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