2014-07-16 7:39 GMT-03:00 Slavko Kocjancic <esla...@gmail.com>: > On 16. 07. 2014 12:33, Wander Lairson Costa wrote: >> 2014-07-16 6:05 GMT-03:00 Slavko Kocjancic <esla...@gmail.com>: >>> Hello... >>> >>> Attached is simple example. The problem is that it's works in linux but >>> not in windows. And I wan't to be portable. Can someone tell me what I >>> do wrong? >>> seems that <class 'usb.core.Device'> is handeled different in win (it >>> return long string?!) >>> >>> >>> >>> >>> #there is current only one device with correct vid/pid attached >>> import usb >>> def openUsb(vid,pid,name=''): >>> try: >>> devices = usb.core.find(idVendor=vid, idProduct=pid, >>> find_all=True) >>> for dev in devices: >>> print type (dev) >>> print dev >>> if (usb.util.get_string(dev,256,2)==name): >>> dev.set_configuration() >>> return dev >>> except Exception as e: >>> print e >>> >>> >>> USBdev=openUsb(0x16d0,0x06ad,'Q_ANALISER') >>> if not USBdev: >>> print "Device not found" >>> exit(0) >>> print "Device found ",USBdev >>> >>> >>> ''' >>> ####OUTPUT on LINUX##### >>> <class 'usb.core.Device'> >>> <usb.core.Device object at 0x7ff2647f7290> >>> Device found <usb.core.Device object at 0x7ff2647f7290> >>> >>> >>> >>> ####OUTPUT on WINDOWS##### >>> <class 'usb.core.Device'> >>> DEVICE ID 16d0:06ad on Bus 000 Address 001 ================= >>> bLength : 0x12 (18 bytes) >>> bDescriptorType : 0x1 Device >>> bcdUSB : 0x110 USB 1.1 >>> bDeviceClass : 0x0 Specified at interface >>> bDeviceSubClass : 0x0 >>> bDeviceProtocol : 0x0 >>> bMaxPacketSize0 : 0x8 (8 bytes) >>> idVendor : 0x16d0 >>> idProduct : 0x06ad >>> bcdDevice : 0x1 Device 0.01 >>> iManufacturer : 0x1 CAA >>> iProduct : 0x2 Q_ANALISER >>> iSerialNumber : 0x0 >>> bNumConfigurations : 0x1 >>> CONFIGURATION 1: 400 mA ================================== >>> bLength : 0x9 (9 bytes) >>> bDescriptorType : 0x2 Configuration >>> wTotalLength : 0x1b (27 bytes) >>> bNumInterfaces : 0x1 >>> bConfigurationValue : 0x1 >>> iConfiguration : 0x0 >>> bmAttributes : 0xc0 Self Powered >>> bMaxPower : 0xc8 (400 mA) >>> INTERFACE 0: Human Interface Device ==================== >>> bLength : 0x9 (9 bytes) >>> bDescriptorType : 0x4 Interface >>> bInterfaceNumber : 0x0 >>> bAlternateSetting : 0x0 >>> bNumEndpoints : 0x0 >>> bInterfaceClass : 0x3 Human Interface Device >>> bInterfaceSubClass : 0x0 >>> bInterfaceProtocol : 0x0 >>> iInterface : 0x0 >>> Device not found >>> Press any key to continue . . . >>> >>> >> Hi, >> >> It feels like you are using different git revisions for Windows and >> Linux, aren't you? >> > It's should be same. > But don't know how to check wich backend pyusb use at linux and win... > In win there should be only one, but in linux I have at least 3 and need > all... (for other things) >
I said that because you have different results when you do "print dev" on Linux and Windows. You can do a "git pull origin master" on both repositories to make sure you are using git HEAD. -- Best Regards, Wander Lairson Costa ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ pyusb-users mailing list pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users
