Hello i ve searching some information for my problem . i m trying to write data to usb hid device idVendor=0x0123, idProduct=0x0012 its pic18f2550
Bus 001 Device 008: ID 0123:0012 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x0123 idProduct 0x0012 bcdDevice 1.00 iManufacturer 1 USB iProduct 2 IO INTERFACE iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 41 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 No Subclass bInterfaceProtocol 0 None iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.00 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 32 Report Descriptor: (length is 32) Item(Global): Usage Page, data= [ 0x00 0xff ] 65280 (null) Item(Local ): Usage, data= [ 0x01 ] 1 (null) Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Local ): Usage Minimum, data= [ 0x01 ] 1 (null) Item(Local ): Usage Maximum, data= [ 0x08 ] 8 (null) Item(Global): Logical Minimum, data= [ 0x80 ] 128 Item(Global): Logical Maximum, data= [ 0x7f ] 127 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Global): Report Count, data= [ 0x02 ] 2 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage Minimum, data= [ 0x01 ] 1 (null) Item(Local ): Usage Maximum, data= [ 0x08 ] 8 (null) Item(Global): Report Size, data= [ 0x08 ] 8 Item(Global): Report Count, data= [ 0x02 ] 2 Item(Main ): Output, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 250 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 10 Device Status: 0x0001 i ve tried kind of codes read_bytes = self.handle.interruptRead(0x81, 8, 1000) hid_device.write(0x1, ([0x91])) both is return len(data) so it should write but its not writing ! is there anyone can help me thank you! _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor