Stefan Schuermans
initial commit of files from bluebox project
Stefan Schuermans commited fd252ce at 2015-12-19 20:16:38
/* BlueDataDistributor - data distribution module from ethernet to 32 serial ports
* version 0.1.1 date 2006-10-07
* Copyright (C) 2006 Stefan Schuermans <stefan@blinkenarea.org>
* a BlinkenArea project - http://www.blinkenarea.org/
*/
#include <avr/io.h>
#include "status.h"
// number of times to blink status LED
#define StatusBlinkCntSerialData 1
#define StatusBlinkCntTimeout 2
unsigned char StatusBlinkCnt = StatusBlinkCntTimeout;
// interval counter for blinking status LED
unsigned char StatusBlinkInterval = 0;
// number of serial data events in last blink cycle
unsigned char StatusEventSerialCnt = 0;
// initialize
void StatusInit( void )
{
//set up IO pin of status LED as output
DDRG |= 0x08;
}
// status event - received serial data to output
void StatusEventSerial( void )
{
// count number of serial data events
StatusEventSerialCnt++;
}
// tick procedure - call every 200ms
void StatusTick200( void )
{
// turn out status LED only in even intervals and if not yet blinked StatusBlinkCnt times
if( (StatusBlinkInterval & 0x01) == 0 && StatusBlinkInterval >> 1 < StatusBlinkCnt )
PORTG |= 0x08;
else
PORTG &= ~0x08;
// next interval
StatusBlinkInterval++;
// blink cycle finished
if( StatusBlinkInterval >= 10 ) {
StatusBlinkInterval = 0;
 
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