使用串口驱动来控制两路舵机上下左右的转动-Use the serial driver to control the rotation of the steering gear up and down about two-way

双向通信.支持监听指定端口并转发数据.上传的是交叉编译OK最新的代码。-Two-way communication. Support to monitor the specified port and forward data. Upload the latest code is cross-compiled OK.