bburtan65 wrote:
> Let's say you're running a C program you've written that among other things
> can talk to an FTDI USB-to-Serial device. However, that device might not
> always be present. What's the best way to detect that the device has been
> plugged in? Hotplug doesn't seem appropriate or am I not understanding how
> it works? A brute force approach would be to periodically attempt to fopen
> the tty device name but that seems kludgey to me. And then there's the
> question of what to do in the C code when the device has been unplugged.
> Again brute force might be to attempt to talk to if and if you get an error,
> go back to fopen polling for the device.
This might work,
http://www.linuxquestions.org/questions/linux-embedded-78/detect-usb-device-insertremove-and-get-device-node-from-c-program-682915/
--
Jason Stahls
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