/* | |
FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd. | |
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 exception 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. | |
Alternative commercial license and support terms are also available upon | |
request. See the licensing section of http://www.FreeRTOS.org for full | |
license details. | |
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 along | |
with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59 | |
Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
*************************************************************************** | |
* * | |
* Looking for a quick start? Then check out the FreeRTOS eBook! * | |
* See http://www.FreeRTOS.org/Documentation for details * | |
* * | |
*************************************************************************** | |
1 tab == 4 spaces! | |
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(); | |
} | |