Programming AVR Timer 0 Overflow Interrupt for ATmega32 Microcontroller 

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AVR Timer 0 Overflow Interrupt is explained with given Timestamps: 0:00 - AVR Microcontroller - AVR Timer 0 Overflow Interrupt 0:32 - Status Register, TIMSK Register, TIFR Register 3:45 - AVR Interrupt 4:27 - Timer Interrupt Flag bits and Associated Register 5:45 - Difference between RET and RETI 6:59 - Timer 0 Overflow interrupt program in assembly 13:45 - Timer 0 Overflow interrupt program in C

Thank you so much sir 🤩🤩☺ I updated this to see if the time gap between interrupts 'TCNT0=-32' should be added to 'ISR(TIMER0_OVF_vect)' to get the correct answer. #define F_CPU 8000000UL #include #include int main(void){ DDRD = 0xff; // make all LED's output DDRB = 0xff; PORTD = 0x00; PORTB = 0x00; DDRA = DDRA | 1

Shouldn't we reload tcnt0 within interrupt , in c program

in the C program, don't we have to load the TCNT0 again after every ISR routine is called?

in assembly, at the end of the execution of ISR don't we have to clear the TOV0 bit of TIFR at every execution?

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Should ISR(TIMER_OVF_vect) be ISR(TIMER0_OVF_vect) ?