socat tcp to serial

The TCP protocol works in the OSI transmission layer and is a reliable connection-oriented data stream protocol. The reason why TCP is reliable is that it ensures the order of transmitted data packets. The sequence is ensured by a serial number. The response package also contains a serial number, indicating that the re

Tags: declaring article sed analog serial port processing simulation another Erro preCopyright NOTICE: This article is for Bo Master original article, welcome reprint, and please indicate the source. Contact information: [Email protected] Many instruments/devices provide data acquisition interface, many of which are serial or network MODBUS/TCP protocol. The

Note: to modify the TCP protocol, you have encountered the serial number of the tcp group to be modified, however, if the end_seq of SKB is found in the tcp_sendmsg function, but it is not clear that seq is not found, it is initialized there, and Notes about SKB serial number To modify the

Keywords: SerialPort to TCP/IP, serial, remote serial debugging I began to learn from the Vckbase VC + +, without him I will not progress so quickly, has been trying to give vckbase contribute to something, just today is free, on the earlier write a serial port to TCP/IP pr

open COM, send data, accept data, and close COM. 5. Contact Information Fu_jinying@sohu.com Http://home4u.china.com/HOME10/90/70/30/20/42/0000297324/COMgrasp/COMgrasp.rar 6. Advantages On the LAN, we have many tools for developing protocols, such as NetxRay, Sniffer, and Ethereal. But unfortunately, most of our protocols are developed on embedded systems, for this reason, many people have made a lot of effort to manually check and judge one byte or even one bit or one location. Now, we finally

Recently, using tcpdump to study and analyze TCP parameters, the results of the grab package under Linux at first made me wonder that Ubuntu and Debian had the same phenomenon on hand. The specific is to catch the sender of the TCP data segment of the length of the regular change, and the receiver reply to receive the frame of the serial number and the sender is