Hi, On 05/28/2013 09:58 PM, Tim Roberts wrote: > Hans de Goede wrote: >> Sorry no code (yet), as I would first like to get some buy in for >> the concept before spending time on coding this. >> >> For apps which show a list of usb devices to the user, it is useful >> to have some userfriendly description of the device to show. >> >> I've code for this in spice-gtk, which I think really should be in >> libusb, as it is useful for other apps too. >> >> Therefor I would like to suggest to add these functions: >> >> char *libusb_get_vendor_string(libusb_device *device); >> char *libusb_get_product_string(libusb_device *device); > > I'm not fond of this concept. In USB terms, the "vendor string" is the > string descriptor designated by iManufacturer in the device descriptor, > and "product string" is the string descriptor designated by iProduct in > the device descriptor. This is extending the meaning of those terms in > a possibly unexpected way.
Right, my first plan was mainly to give access to os cached string descriptors, so that those can be accessed without the need to open a device and do io to it. > > Apps that need the usb.ids lookup should go do the lookup. Beyond that, > this becomes a maintenance headache. The usb.ids lookup came as an after thought, although it has proven to be very useful in spice-gtk, since many devices don't bother to offer any string descriptors. So maybe we should split the functionality into 2 sets of functions, one for cached string descriptors, and one for usb.ids parsing? Regards, Hans ------------------------------------------------------------------------------ Introducing AppDynamics Lite, a free troubleshooting tool for Java/.NET Get 100% visibility into your production application - at no cost. Code-level diagnostics for performance bottlenecks with <2% overhead Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap1 _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
