matlab GUI编写的串口通信助手，通过一定的串口链接实现PC机之间的串口通信，包括数据的接收和发送。波特率，校验位个数，进制显示，发送周期可以进行设置。-matlab GUI written in serial communication assistant, through certain serial link between the PC serial communication, including receiving and sending of data. The baud r