You can change UART pin assign. If you define ON_THREAD_MODE, you can use the UART two channels even available hardware channel is only one.

Fork of BLE_I2C_pin_assign by Kenji Arai

Revision:
1:f3511dc0569f
Parent:
0:da7659112ca0
--- a/mbed.bld	Mon May 02 01:14:34 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/aae6fcc7d9bb
\ No newline at end of file