software/hhd70dongle/hhd70dongle.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

/*
 *  Blinks the led using a simple delay loop.
 */

#include "avr/io.h"
#include "util/delay.h"

#define CPU_PRESCALE(n)	(CLKPR = 0x80, CLKPR = (n))

int main(void)
{ 
  CPU_PRESCALE(0);
  PORTE = 0x00;
  DDRE = 0x00;

  for(;;) {
    _delay_ms(250);
    PORTE ^= 1<<PORTE6;
  }
}