2013/12/2 Bartosz Alchimowicz <p...@poczta.onet.pl>: > Wander Lairson Costa wrote: > > Hi > > >> Sorry for the delay. According to libusb documentation, a pipe error >> is related to sending a control request not supported by the device. >> Are these control transfers documented by the manufacturer or part of >> the USB class spec? > > > According to documentation this chip is a usb printer class device > ( http://www.krn.ru/Support/Docs/GMUP/ds_pl2305_v11.pdf ). > > Section 5.2 (Printer Class-Specific Device Requests) in this spec tells that > GET_PORT_STATUS and SOFT_RESET are supported. >
This sounds weird. I will review the PyUSB code to see if I find some mistake. BTW, did notice if the usbprint driver gets loaded when you connected your device? It might be causing the problems... -- Best Regards, Wander Lairson Costa ------------------------------------------------------------------------------ Sponsored by Intel(R) XDK Develop, test and display web and hybrid apps with a single code base. Download it for free now! http://pubads.g.doubleclick.net/gampad/clk?id=111408631&iu=/4140/ostg.clktrk _______________________________________________ pyusb-users mailing list pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users