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Reduced frequency of ms interrupt

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nedko 2022-10-25 19:47:28 +03:00
parent 81b8bab3b9
commit 82b33cb9f9
1 changed files with 3 additions and 3 deletions
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code/main.c
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@ -148,7 +148,7 @@ uint8_t extract_digit(uint32_t value, uint8_t digit_num);
ISR(TIMER1_OVF_vect) ISR(TIMER1_OVF_vect)
{ {
cli(); cli();
++ms; ms += 8;
sei(); sei();
} }
@ -477,8 +477,8 @@ void simple_init()
PORTB = (1 << 1) | (1 << 3) | (1 << 4); PORTB = (1 << 1) | (1 << 3) | (1 << 4);
#endif #endif
// Prescaler 4 (1 MHz / 256 / 4 ~ 1000) // Prescaler 32 (1MHz / 32 / 256 = 8,192 ms)
TCCR1 = (1 << CS11) | (1 << CS10); TCCR1 = (1 << CS12) | (1 << CS11);
// Enable Interrupt on overflow // Enable Interrupt on overflow
TIMSK = (1 << TOIE1); TIMSK = (1 << TOIE1);