diff options
Diffstat (limited to 'cores')
| -rwxr-xr-x | cores/arduino/wiring.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c index 1b3fd44..bc01949 100755 --- a/cores/arduino/wiring.c +++ b/cores/arduino/wiring.c @@ -221,11 +221,15 @@ void init() // set timer 1 prescale factor to 64 sbi(TCCR1B, CS11); +#if F_CPU >= 8000000L sbi(TCCR1B, CS10); +#endif #elif defined(TCCR1) && defined(CS11) && defined(CS10) sbi(TCCR1, CS11); +#if F_CPU >= 8000000L sbi(TCCR1, CS10); #endif +#endif // put timer 1 in 8-bit phase correct pwm mode #if defined(TCCR1A) && defined(WGM10) sbi(TCCR1A, WGM10); |