git.zerfleddert.de Git - rsbs2/blob - bmc/bmc.c

   1 #include <avr/io.h>
   2 #include <avr/interrupt.h>
   3 #include <stdio.h>
   4 #include "usart.h"
   5 #include "i2c.h"
   6
   7 int main(void)
   8 {
   9         uint8_t pb = 0x00;
  10         int8_t dir = 1;
  11         volatile uint16_t i;
  12
  13         DDRB = 0xff;
  14
  15         usart_init();
  16         i2c_init();
  17
  18         sei();
  19
  20         printf("Hallo!\n");
  21
  22         while(1) {
  23                 pb += dir;
  24                 PORTB = pb;
  25
  26                 for (i = 0; i < (pb<<5); i++) {}
  27
  28                 if ((pb == 0) || (pb == 0xff))
  29                         dir = -dir;
  30         }
  31
  32         return 0;
  33 }