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-rw-r--r--keyboards/crkbd/rev1/serial_config.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/keyboards/crkbd/rev1/serial_config.h b/keyboards/crkbd/rev1/serial_config.h
new file mode 100644
index 000000000..671ed821d
--- /dev/null
+++ b/keyboards/crkbd/rev1/serial_config.h
@@ -0,0 +1,10 @@
+#pragma once
+
+/* Soft Serial defines */
+#define SERIAL_PIN_DDR DDRD
+#define SERIAL_PIN_PORT PORTD
+#define SERIAL_PIN_INPUT PIND
+#define SERIAL_PIN_MASK _BV(PD2)
+#define SERIAL_PIN_INTERRUPT INT2_vect
+
+#define SERIAL_USE_MULTI_TRANSACTION