On Sat, Feb 2, 2013 at 6:05 AM, Eric Lundby <eric.lun...@modrobotics.com> wrote: >> Then why would you make this CDC ACM, instead of just using a custom >> interface that you control completely? > > Couple reasons: This is chip is a drop in replacement on our hardware > and won't require any adjustments to the firmware running on the > device. Also, I didn't have much influence on the decision. > >> How are you going to avoid specifying a COM port across platforms? > > Not sure how to take this. Sounds a bit cynical. I'm currently using > libusb/WinUSB on Windows to communicate with my device w/o specifying > a COM port. Considering COM ports are in general a Windows only topic, > I guess this is already accomplished. But as I'm not yet a 'Software > Wizard' and admittedly very ignorant on this entire subject, I welcome > any insight those with more experience than myself can offer.
There are cross-platform serial port API. They could be potentially easier to use than libusbx for CDC-ACM device. > I've come to realize that CDC ACM is meant for networking devices, for > which mine is not. However, I do appear to be able to accomplish what > I want using bulk transfers via Libusbx. Are there major issues with > this that I'm not aware of? > CDC-ACM is also for USB Virtual Serial Port and it is supported under different platform (for Windows you need to an inf file to reference usbser.sys, should work out of the box under Linux and Mac OS X even though some versions of OS X may have issues with USB IAD device involving CDC-ACM, similar problems for Windows prior to Wndows XP SP3). No major issue if libusbx works for you. :-) -- Xiaofan ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_jan _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
