Serial port programming under DOS, the realization of the transceiver serial port, configuration and other functions.

dos下的串口编程，实现串口的收发、配置等功能。

youdao

Serial port programming under DOS, the realization of the transceiver serial port, configuration and other functions.

dos下的串口编程，实现串口的收发、配置等功能。

youdao