1 files changed, 20 insertions, 0 deletions
diff --git a/keyboards/lets_split/split_util.h b/keyboards/lets_split/split_util.h
new file mode 100644
index 0000000000..cf6890d37f
--- /dev/null
+++ b/keyboards/lets_split/split_util.h
@@ -0,0 +1,20 @@
+#ifndef SPLIT_KEYBOARD_UTIL_H
+#define SPLIT_KEYBOARD_UTIL_H
+
+#include <stdbool.h>
+
+#define EECONFIG_BOOTMAGIC_END      (uint8_t *)10
+#define EECONFIG_HANDEDNESS         EECONFIG_BOOTMAGIC_END
+
+#define SLAVE_I2C_ADDRESS           0x32
+
+extern volatile bool isLeftHand;
+
+// slave version of matix scan, defined in matrix.c
+void matrix_slave_scan(void);
+
+void split_keyboard_setup(void);
+bool has_usb(void);
+void keyboard_slave_loop(void);
+
+#endif