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-rw-r--r--keyboard/hhkb_rn42/rn42/suart.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/keyboard/hhkb_rn42/rn42/suart.h b/keyboard/hhkb_rn42/rn42/suart.h
new file mode 100644
index 000000000..72725b998
--- /dev/null
+++ b/keyboard/hhkb_rn42/rn42/suart.h
@@ -0,0 +1,8 @@
+#ifndef SUART
+#define SUART
+
+void xmit(uint8_t);
+uint8_t rcvr(void);
+uint8_t recv(void);
+
+#endif /* SUART */