This will echo what you type directly to the LCD and serial.

Dependencies:   TextLCD mbed

Revision:
0:43501f452595
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Sat Sep 07 17:25:17 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/TextLCD/#e4cb7ddee0d3