working with custom I2CX lib, see http://developer.mbed.org/questions/5107/Arch-BLE-I2C-working/#answer5383 esp answer by Joris Aerts.

Dependencies:   BMP085 I2CX mbed

Revision:
0:6598b0ef16ac
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/I2CX.lib	Tue Nov 04 19:20:42 2014 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/jaerts/code/I2CX/#9d9fc94594e3