Write the OLED(using I2C)

Dependencies:   Adafruit_GFX mbed

Revision:
5:0cb6587ca9e4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Jul 10 05:48:25 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/da0ca467f8b5
\ No newline at end of file