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

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

Should ISR(TIMER_OVF_vect) be ISR(TIMER0_OVF_vect) ?

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