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update prescale set

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This commit is contained in:
hugogogo
2025-03-05 16:55:40 +01:00
parent 4b3e730e0b
commit c6fe9462a0
1 changed files with 12 additions and 1 deletions
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13
module01/ex00/main.c
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@@ -34,13 +34,24 @@
#define SW2 4
#define PRESCALE_VALUE 1024
#if (PRESCALE_VALUE == 1)
#define PRESCALE_SET (1 << CS10)
#elif (PRESCALE_VALUE == 8)
#define PRESCALE_SET (1 << CS11)
#elif (PRESCALE_VALUE == 64)
#define PRESCALE_SET (1 << CS10) | (1 << CS11)
#elif (PRESCALE_VALUE == 256)
#define PRESCALE_SET (1 << CS12)
#elif (PRESCALE_VALUE == 1024)
#define PRESCALE_SET (1 << CS10) | (1 << CS12)
#endif
#define TIME_MS(ms) (((F_CPU / PRESCALE_VALUE) * ms) / 1000)
int main() {
MODE_OUTPUT(B, D2);
TURN_OFF_LED(D2);
TCCR1B |= ((1 << CS10 ) | (1 << CS12 ) ); // set timer with prescale
TCCR1B |= (PRESCALE_SET); // set timer with prescale
while(1) {
if ( TCNT1 >= TIME_MS(500)) {