读写致远主板载IO的例程，8入8出，可以做简单的应用试验。-Zhiyuan board set IO to read and write routines, 8 into the 8, the application can do simple experiments.

wince下简单样例，串口设置，电机正反转，继电器的启动，io读写-wince under the simple example, the serial port settings, motor reversing relay start, io reader