das ist die ISR


Int0_isr:
Pwm1a = 0
Portd.6 = 0
Portc.3 = 0
Pwm1b = 0
Portc.2 = 0
Portc.4 = 0
Pwm1a = 180
Portd.6 = 0
Portc.3 = 1
Pwm1b = 0
Portc.2 = 0
Portc.4 = 0
Return