Udp Client; Http Client - Ebyte E90-DTU User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd.

E90-DTU(433C30E)-V2.0 User Manual

4.4.4. UDP Client

UDP Client is a connectionless transmission protocol that provides transaction-oriented simple and unreliable

information transmission services. There is no connection establishment and disconnection, and data can be sent to

the other party only by configuring the destination IP and destination port. It is usually used in data transmission

scenarios where there is no requirement for the packet loss rate, the data packets are small and the transmission

frequency is fast, and the data is to be transmitted to the specified IP.

In UDP Client mode, the device will only communicate with the configured (target IP and target port) remote UDP

devices.

In this mode, the target address is set to 255.255.255.255, and the sent data will be broadcast on the entire network

segment, but the transceiver device needs to ensure that the ports are consistent, and the device can also receive

broadcast data.

This mode can realize the function of HTTP automatic packet grouping. It provides two modes: GET and POST.

Customers can configure URL, Header and other parameters by themselves, and the device will send packets to

achieve fast communication between the digital radio station and the HTTP server. Using HTTP client In terminal

mode, it is recommended to use random ports and enable short connections to save HTTP server resources. The

size of a single request packet is affected by wireless sub-packets. When using "fixed-length transmission", the

single-packet data should be less than 77 bytes and greater than 77 bytes. Device packet request HTTP server,

while "continuous transmission" is not affected by wireless packetization.

Supports configuring whether to return HTTP protocol headers. The returned data is shown in the following figure:

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