XModem协议服务器端代码,实现256-1KXModem协议的服务器端程序，常用于与嵌入式设备的数据传输-XModem server-side code, server-side programs to achieve the 256-1KXModem agreement, and embedded devices commonly used in data transmission

关于自动增益控制的实用软件代码，能直接用于嵌入式系统，效果挺好。-This source code is optimized for AGC function of the signal.