/* | |
FreeRTOS V6.0.3 - Copyright (C) 2010 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* If you are: * | |
* * | |
* + New to FreeRTOS, * | |
* + Wanting to learn FreeRTOS or multitasking in general quickly * | |
* + Looking for basic training, * | |
* + Wanting to improve your FreeRTOS skills and productivity * | |
* * | |
* then take a look at the FreeRTOS eBook * | |
* * | |
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" * | |
* http://www.FreeRTOS.org/Documentation * | |
* * | |
* A pdf reference manual is also available. Both are usually delivered * | |
* to your inbox within 20 minutes to two hours when purchased between 8am * | |
* and 8pm GMT (although please allow up to 24 hours in case of * | |
* exceptional circumstances). 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 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. | |
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 Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
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. | |
*/ | |
/* FreeRTOS.org includes. */ | |
#include "FreeRTOS.h" | |
/* Demo application includes. */ | |
#include "partest.h" | |
#define partstFIRST_IO ( ( unsigned long ) 0x04 ) | |
#define partstFIO2_BITS ( ( unsigned long ) 0x0000007C ) | |
#define partstFIO1_BITS ( ( unsigned long ) 0xB0000000 ) | |
#define partstNUM_LEDS ( 5 ) | |
#define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xff ) | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines. | |
*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* LEDs on ports 1 and 2 to output. */ | |
GPIO2->FIODIR = partstFIO2_BITS; | |
GPIO1->FIODIR = partstFIO1_BITS; | |
/* Start will all LEDs off. */ | |
GPIO2->FIOCLR = partstFIO2_BITS; | |
GPIO1->FIOCLR = partstFIO1_BITS; | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned long ulLEDIn, signed long xValue ) | |
{ | |
unsigned long ulLED = partstFIRST_IO; | |
/* Used to set and clear LEDs on FIO2. */ | |
if( ulLEDIn < partstNUM_LEDS ) | |
{ | |
/* Rotate to the wanted bit of port */ | |
ulLED <<= ( unsigned long ) ulLEDIn; | |
/* Set of clear the output. */ | |
if( xValue ) | |
{ | |
GPIO2->FIOCLR = ulLED; | |
} | |
else | |
{ | |
GPIO2->FIOSET = ulLED; | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned long ulLEDIn ) | |
{ | |
unsigned long ulLED = partstFIRST_IO, ulCurrentState; | |
/* Used to toggle LEDs on FIO2. */ | |
if( ulLEDIn < partstNUM_LEDS ) | |
{ | |
/* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED | |
attached. */ | |
ulLED <<= ( unsigned long ) ulLEDIn; | |
/* If this bit is already set, clear it, and visa versa. */ | |
ulCurrentState = GPIO2->FIOPIN; | |
if( ulCurrentState & ulLED ) | |
{ | |
GPIO2->FIOCLR = ulLED; | |
} | |
else | |
{ | |
GPIO2->FIOSET = ulLED; | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
long lParTestGetLEDState( void ) | |
{ | |
/* Returns the state of the LEDs on FIO1. */ | |
if( ( GPIO1->FIOPIN & partstFIO1_BITS ) != 0 ) | |
{ | |
return pdFALSE; | |
} | |
else | |
{ | |
return pdTRUE; | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLEDState( long lState ) | |
{ | |
/* Used to set and clear the LEDs on FIO1. */ | |
if( lState != pdFALSE ) | |
{ | |
GPIO1->FIOSET = partstFIO1_BITS; | |
} | |
else | |
{ | |
GPIO1->FIOCLR = partstFIO1_BITS; | |
} | |
} | |
/*-----------------------------------------------------------*/ | |