serial and fix makefile

1 files changed, 15 insertions, 0 deletions

diff --git a/include/serial.h b/include/serial.h
new file mode 100644
index 0000000..0500ff1
--- /dev/null
+++ b/include/serial.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <stdint.h>
+
+enum serial_com_port {
+	COM1 = 1,
+	COM2 = 2,
+	COM3 = 3,
+	COM4 = 4,
+};
+
+int serial_init(enum serial_com_port com);
+uint8_t serial_in(enum serial_com_port com);
+void serial_out(enum serial_com_port com, uint8_t ch);
+void serial_out_str(enum serial_com_port com, char *str);