On Montag, 11. Juli 2016 19:47:14 CEST Mike Meyer wrote: > Sigh. I'm having trouble getting this sent properly. Sorry 'bout the extra > mail. Here's the text. > > It looks like the libserialport tty name checks for FreeBSD were written > by someone who's never used a Unix(TM) system like FreeBSD, so relied on > the documentation to figure out what the names were. > > Forcing users to use /dev/cua devices for serial ports is simply wrong. > The call-out ports are usually used for modems because they are used for > "calling out" to another phone number, which requires that you be able to > dial the phone. This dates from the days when things that could dial the > phones (aka "call units") were actually different boxes from the ones that > did the serial line modulation/demodulation for the phone line, and hence > on different serial ports. Possibly only AT&T (you know, the folks that > wrote Unix) actually cared, but the distinction carried over into all > systems based on their code. > > Since a logic analyzer/oscilloscope/dmm/etc can't dial the phone, there's > no point in using a /dev/cua device. The proper serial device to use is the > /dev/tty one. sigrok failing because you used /dev/ttyU0 is a violation of > POLA.
Sorry, try to read the *BSD, OS X, ... documentation again. If you initiate a connection, use /dev/cu*. /dev/tty* waits for DTR, which is specifically *not* wanted. Kind regards, Stefan -- Stefan Brüns / Bergstraße 21 / 52062 Aachen home: +49 241 53809034 mobile: +49 151 50412019 work: +49 2405 49936-424 ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries present their vision of the future. This family event has something for everyone, including kids. Get more information and register today. http://sdm.link/attshape _______________________________________________ sigrok-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sigrok-devel

