Sergey Perekhvalskiy / Mbed 2 deprecated mDot_AT_firmware_RTS_CTS

few changes for RTS/CTS control

Dependencies:   MTS-Serial libmDot mbed-rtos mbed

Fork of mDot_AT_firmware by MultiTech

Diff: ATSerial.cpp

Revision:
11:77b7911263da
Parent:
9:ff62b20f7000