just test only

Dependencies:   mbed

History

change LED1 to LED4 (it's the same) default tip

2014-11-24, by joshchen [Mon, 24 Nov 2014 06:24:25 +0000] rev 1

change LED1 to LED4 (it's the same)


initial printf

2014-11-24, by joshchen [Mon, 24 Nov 2014 06:17:56 +0000] rev 0

initial printf