volatile unsigned long us_kmh, f_kmh; //32 Bit volatile unsigned char t0_ueberl; // 8 Bit // ************************** Timer 0 Overflow INTERRUPT (km/h) ********************************** SIGNAL (SIG_OVERFLOW0) { t0_ueberl++; } // ***************************** Externer Interrupt 0 (km/h) ************************************* SIGNAL (SIG_INTERRUPT0) { extint.kmh_merker=0; if(extint.kmh==1) { TCCR0=0x00; //Timer anhalten if ( !(TIFR & (1<