Inherit from Serial and use software buffers for TX and RX. This allows the UART peripherals to operate in a IRQ driven mode. Overrides most (but not all) stdio functions as Serial did
the following problems you introduced with your latest checkin:
a) Closing string quote is missing in BufferedSerial.h line 30.
b) For offline (gcc) development builds the MBED_MAJOR_VERSION is 99 I cannot compile the sources anymore.