diff options
Diffstat (limited to 'tmk_core')
| -rw-r--r-- | tmk_core/protocol/lufa/lufa.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c index 4e17834be9..5b56e8a03c 100644 --- a/tmk_core/protocol/lufa/lufa.c +++ b/tmk_core/protocol/lufa/lufa.c @@ -1015,8 +1015,13 @@ static void setup_mcu(void) { MCUSR &= ~_BV(WDRF); wdt_disable(); - /* Disable clock division */ +// For boards running at 3.3V and crystal at 16 MHz +#if (F_CPU == 8000000 && F_USB == 16000000) + /* Divide clock by 2 */ + clock_prescale_set(clock_div_2); +#else /* Disable clock division */ clock_prescale_set(clock_div_1); +#endif } /** \brief Setup USB |