this sample code is for communication with a Ethernet serial to net module (base on EZL-50)-this sample code is for communication with a Ethernet serial to net module (base on EZL-50)

串行通信转网络通信数据模块存储系统的硬件设计-Data transfer network communication serial communication module hardware design of the storage system

Wifi模块为串口或TTL电平转WIFI通信的一种传输转换产品，Uart-Wifi 是基于Uart接口的符合wifi无线网络标准的嵌入式模块，内置无线网络协议IEEE802.11协议栈以及TCP/IP协议栈，能够实现用户串口或TTL电平数据到无线网络之间的转换。通过九汉科技Uart-Wifi模块M-600，使传统的串口设备也能轻松接入无线网络-Wifi module TTL level serial port or a switch to WIFI communication transmiss

本模块的核心部分是由一片14位双通道串行接口乘法数模转换器DAC8802芯片组成的程控放大和衰减部分，这部分中的DAC8802芯片通过内部SSI总线与STM32F103ZET6内部的SPI实现通信，由STM32F103ZET6经SPI传输的CODE值决定放大或者衰减的幅值(The core part of this module is composed of a piece of 14 dual-channel serial interface multiplication DAC8802 d/