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/***************************************************************
*
* OpenBeacon.org - LED support
*
* Copyright 2007 Milosch Meriac <meriac@openbeacon.de>
*
***************************************************************
This program 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; version 2.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <FreeRTOS.h>
#include <AT91SAM7.h>
#include <lib_AT91SAM7.h>
#include <string.h>
#include <board.h>
#include <task.h>
#include "led.h"
/**********************************************************************/
#define BLINK_TIME 10
void vLedSetRed(bool_t on)
{
if(on)
AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, LED_RED );
else
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED_RED );
}
/**********************************************************************/
void vLedBlinkRed(void)
{
volatile int i=0;
vLedSetRed(1);
for(i=0; i<BLINK_TIME; i++) (void)i;
vLedSetRed(0);
}
/**********************************************************************/
void vLedSetGreen(bool_t on)
{
if(on)
AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, LED_GREEN );
else
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED_GREEN );
}
/**********************************************************************/
void vLedBlinkGreen(void)
{
volatile int i=0;
vLedSetGreen(1);
for(i=0; i<BLINK_TIME; i++) (void)i;
vLedSetGreen(0);
}
/**********************************************************************/
void vLedHaltBlinking(int reason)
{
volatile u_int32_t i=0;
while(1)
{
AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, LED_MASK );
for(i=0; i<MCK/40; i++) ;
switch(reason) {
case 1:
vLedSetGreen(1);
vLedSetRed(0);
break;
case 2:
vLedSetGreen(0);
vLedSetRed(1);
break;
case 3:
vLedSetGreen(1);
vLedSetRed(1);
break;
case 0:
default:
vLedSetGreen(0);
vLedSetRed(0);
break;
}
for(i=0; i<MCK/20; i++) ;
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED_MASK );
for(i=0; i<MCK/40; i++) ;
}
}
/**********************************************************************/
void vLedInit(void)
{
// turn off LED's
AT91F_PIO_CfgOutput( AT91C_BASE_PIOA, LED_MASK );
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED_MASK );
}
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