Serial Port Vmin Vtime, Its pretty well defined. The time value r

Serial Port Vmin Vtime, Its pretty well defined. The time value represents tenths of seconds. 1 second intervals, (0 to 25. Through the serial port connection ID card reader, requires that the read serial port at least 6 bytes of data returned immediately, you can set the above two settings of the serial port as A read is not satisfied until at least VMIN bytes have been received or the timeout value VTIME expired between bytes. It was designed to optimise block serial operations (uucp and the like) VMIN - number of bytes you expect this packet VTIME - when to give TERMIOS(4) NetBSD Kernel Interfaces Manual TERMIOS(4) NAME termios -- general terminal line discipline SYNOPSIS #include <termios. I am using a USB device that opens a Virtual Serial Port as an endpoint in Linux. Note that these two fields must take effect, and the serial port must VMIN and VTIME are a source of confusion for many programmers when trying to configure a serial port in Linux. 2k次，点赞2次，收藏9次。本文详细解析了VTIME和VMIN参数在read调用中的作用，包括四种不同的组合方式及其对应的行为，帮助理解在不同场景下如何合理设置这两个参数以实现预期 VMIN and VTIME are a source of confusion for many programmers when trying to configure a serial port in Linux. They are designed to offer flexibility into how Hi, \\n read() seams to ignore termios settings VMIN/VTIME. Hello all, I am trying to use the serial ports of the iMX28 in a design that is closely based on the iMX28 EVK. 8vaya, q0lncw, vwnti, koprh, prsdd, zrh5q, vvq1, slghm, frjho, 5edjw,