/* * geigerzaehler.main.c.c * * Created : 28.02.2019 09:07:22 * Author : John Ditgens, Alexander Brandscheidt * Git-Repository : https://gitea.Railduction.eu/JohnD/Geigerzaehler.git * * MController : AtMega328P * Board : Arduino Nano */ #define F_CPU 20000000UL // Clock speed: 20 MHz - Maximum of AtMega328P // Imports #include #include int main(void) { DDRD &= ~(1<<2); // Activate PD2 DDRD &= ~(1<<3); // Activate PD3 PORTD |= (1<<2); // Enable Pull Up Resistor Pin D2 PORTD |= (1<<3); // Enable Pull Up Resistor Pin D3 EICRA |= (1 << ISC01)|(1 << ISC00); // Only at raising edge EIMSK |= (1 << INT0); // Activate Interrupt INT0 EICRA |= (1 << ISC11)|(1 << ISC10); // Only at raising edge EIMSK |= (1 <