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-rw-r--r--keyboards/ergodox_stm32/config.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/keyboards/ergodox_stm32/config.h b/keyboards/ergodox_stm32/config.h
index 5305655214..e1b3d7b14e 100644
--- a/keyboards/ergodox_stm32/config.h
+++ b/keyboards/ergodox_stm32/config.h
@@ -33,3 +33,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
keyboard_report->mods == (MOD_BIT(KC_LCTL) | MOD_BIT(KC_RCTL)) || \
keyboard_report->mods == (MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT)) \
)
+
+// i2c_master driver config
+#define I2C1_CLOCK_SPEED 400000
+#define I2C1_DUTY_CYCLE FAST_DUTY_CYCLE_2