On 2012-05-22, Paul Rubin <no.email@nospam.invalid> wrote: > John Nagle <na...@animats.com> writes: >> If a device is registered as /dev/ttyUSBnn, one would hope that >> the Linux USB insertion event handler, which assigns that name, >> determined that the device was a serial port emulator. Unfortunately, >> the USB standard device classes >> (http://www.usb.org/developers/defined_class) don't have "serial port >> emulator" as a standardized device. So there's more variation in this >> area than in keyboards, mice, or storage devices. > > Hmm, I've been using USB-to-serial adapters and so far they've worked > just fine. I plug the USB end of adapter into a Ubuntu box, see > /dev/ttyUSB* appear, plug the serial end into the external serial > device, and just use pyserial like with an actual serial port. I didn't > realize there were issues with this.
I've used probably a dozen different ones. I've read about some people having odd problems with them, but I've never seen any of the those problems. They've all "just worked" for me. -- Grant Edwards grant.b.edwards Yow! He is the MELBA-BEING at ... the ANGEL CAKE gmail.com ... XEROX him ... XEROX him -- -- http://mail.python.org/mailman/listinfo/python-list