usb et rs232

Revision:
72:265c15e468ca
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stm32f103c8t6.h	Mon Nov 04 21:46:20 2019 +0000
@@ -0,0 +1,5 @@
+//#pragma once
+#include "PinNames.h"
+#include "SysClockConf.h"
+#include "mbed.h"
+#include "USBSerial.h"