Example Description

This example demo the function of Auto Flow control.
Please connect 2 board to run this example.

Required Components:
    2 EV boards
		
Connect to 2 borads

Board1                   Board2
PA23(TX)    <----->     PA18(RX)
PA18(RX)    <----->     PA23(TX)
PA19(CTS)   <----->     PA22(RTS)
PA22(RTS)   <----->     PA19(CTS)
GND        <----->       GND

This example shows:
The first powered board will be the TX side, the othse one will be the RX side.
The RX side will make some delay every 16-bytes received, by this way we can trigger the flow control mechanism.

