echo characters typed on USB debug port

Dependencies:   mbed

Revision:
0:279c532226c8
Child:
1:43abfdd0709b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Dec 02 16:11:54 2015 +0000
@@ -0,0 +1,14 @@
+// this program echos on the USB debug port
+
+#include "mbed.h"
+
+int main() {
+    Serial usb(USBTX, USBRX);
+    
+    // change the following value to change the baud rate
+    usb.baud(115200);
+    
+    while (true)
+        if (usb.readable())
+            usb.putc(usb.getc());
+}
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