diff options
| author | Drashna Jaelre <drashna@live.com> | 2021-09-08 20:19:06 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-08 20:19:06 -0700 |
| commit | 6d43a5daf4225cf677840d11b151d28f49e8f9e9 (patch) | |
| tree | d05720473931056f4fecf03e83e645d3f3225369 | |
| parent | cb4006c0b47e9d99c2f60b74d414b19cf4b9e333 (diff) | |
Backport F_CPU/F_USB hack from system76 (#14286)0.14.13
Co-authored-by: Ryan <fauxpark@gmail.com>
| -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 |