X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=common%2Fserial.h;fp=common%2Fserial.h;h=04ea50b198fc502c2d4812ddd370746bc2e6ae93;hb=9c37d18b9c70fdb70dfec453398c4649e9e57586;hp=0000000000000000000000000000000000000000;hpb=49b6b6ad84ec47b4f9eb9ef131975cc5b72372a2;p=model-railway-devices.git

diff --git a/common/serial.h b/common/serial.h
new file mode 100644
index 0000000..04ea50b
--- /dev/null
+++ b/common/serial.h
@@ -0,0 +1,16 @@
+#ifndef SERIAL_H_
+#define SERIAL_H_
+
+#include <avr/interrupt.h>
+
+#define SERIAL_SET_CALLBACK(f) \
+	ISR(USART_RX_vect) \
+	{ \
+		char c = UDR0; \
+		f(c); \
+	}
+
+void serial_init(uint16_t);
+void serial_write(uint8_t);
+
+#endif