dfu-util 0.11-arduino4 Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2021 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/ Cannot open DFU device 2341:0069 found on devnum 2 (LIBUSB_ERROR_NOT_FOUND) No DFU capable USB device available Der ausgewählte serielle Port No DFU capable USB device available ist nicht vorhanden oder das Board ist nicht angeschlossen ============================================================================ [Port8] : USB-Verbundgerät Is Port User Connectable: yes Is Port Debug Capable: no Companion Port Number: 0 Companion Hub Symbolic Link Name: Protocols Supported: USB 1.1: yes USB 2.0: yes USB 3.0: no Device Power State: PowerDeviceD0 ---===>Device Information<===--- English product name: "UNO R4 Minima" ConnectionStatus: Current Config Value: 0x01 -> Device Bus Speed: Full (is not SuperSpeed or higher capable) Device Address: 0x05 Open Pipes: 3 ===>Device Descriptor<=== bLength: 0x12 bDescriptorType: 0x01 bcdUSB: 0x0200 bDeviceClass: 0x00 *!*ERROR: device class should be Multi-interface Function 0xEF When IAD descriptor is used bDeviceSubClass: 0x00 *!*ERROR: device SubClass should be USB Common Sub Class 2 When IAD descriptor is used bDeviceProtocol: 0x00 *!*ERROR: device Protocol should be USB IAD Protocol 1 When IAD descriptor is used bMaxPacketSize0: 0x40 = (64) Bytes idVendor: 0x2341 = Arduino, LLC idProduct: 0x0069 bcdDevice: 0x0100 iManufacturer: 0x01 English (United States) "Arduino" iProduct: 0x02 English (United States) "UNO R4 Minima" iSerialNumber: 0x03 English (United States) "370D280D58313330D23A33324B572D98" bNumConfigurations: 0x01 ---===>Open Pipes<===--- ===>Endpoint Descriptor<=== bLength: 0x07 bDescriptorType: 0x05 bEndpointAddress: 0x81 -> Direction: IN - EndpointID: 1 bmAttributes: 0x03 -> Interrupt Transfer Type wMaxPacketSize: 0x0008 = 0x08 bytes bInterval: 0x10 ===>Endpoint Descriptor<=== bLength: 0x07 bDescriptorType: 0x05 bEndpointAddress: 0x02 -> Direction: OUT - EndpointID: 2 bmAttributes: 0x02 -> Bulk Transfer Type wMaxPacketSize: 0x0040 = 0x40 bytes bInterval: 0x00 ===>Endpoint Descriptor<=== bLength: 0x07 bDescriptorType: 0x05 bEndpointAddress: 0x82 -> Direction: IN - EndpointID: 2 bmAttributes: 0x02 -> Bulk Transfer Type wMaxPacketSize: 0x0040 = 0x40 bytes bInterval: 0x00 ---===>Full Configuration Descriptor<===--- ===>Configuration Descriptor<=== bLength: 0x09 bDescriptorType: 0x02 wTotalLength: 0x005D -> Validated bNumInterfaces: 0x03 bConfigurationValue: 0x01 iConfiguration: 0x00 bmAttributes: 0xC0 -> Self Powered MaxPower: 0xFA = 500 mA ===>IAD Descriptor<=== bLength: 0x08 bDescriptorType: 0x0B bFirstInterface: 0x00 bInterfaceCount: 0x02 bFunctionClass: 0x02 -> This is Communications (CDC Control) USB Device Interface Class bFunctionSubClass: 0x02 bFunctionProtocol: 0x00 iFunction: 0x00 ===>Interface Descriptor<=== bLength: 0x09 bDescriptorType: 0x04 bInterfaceNumber: 0x00 bAlternateSetting: 0x00 bNumEndpoints: 0x01 bInterfaceClass: 0x02 -> This is Communications (CDC Control) USB Device Interface Class bInterfaceSubClass: 0x02 bInterfaceProtocol: 0x00 iInterface: 0x04 English (United States) "CDC Port" -> This is a Communications (CDC Control) USB Device Interface Class ===>Descriptor Hex Dump<=== bLength: 0x05 bDescriptorType: 0x24 05 24 00 20 01 -> This is a Communications (CDC Control) USB Device Interface Class ===>Descriptor Hex Dump<=== bLength: 0x05 bDescriptorType: 0x24 05 24 01 00 01 -> This is a Communications (CDC Control) USB Device Interface Class ===>Descriptor Hex Dump<=== bLength: 0x04 bDescriptorType: 0x24 04 24 02 02 -> This is a Communications (CDC Control) USB Device Interface Class ===>Descriptor Hex Dump<=== bLength: 0x05 bDescriptorType: 0x24 05 24 06 00 01 ===>Endpoint Descriptor<=== bLength: 0x07 bDescriptorType: 0x05 bEndpointAddress: 0x81 -> Direction: IN - EndpointID: 1 bmAttributes: 0x03 -> Interrupt Transfer Type wMaxPacketSize: 0x0008 = 0x08 bytes bInterval: 0x10 ===>Interface Descriptor<=== bLength: 0x09 bDescriptorType: 0x04 bInterfaceNumber: 0x01 bAlternateSetting: 0x00 bNumEndpoints: 0x02 bInterfaceClass: 0x0A -> This is a CDC Data USB Device Interface Class bInterfaceSubClass: 0x00 bInterfaceProtocol: 0x00 iInterface: 0x00 ===>Endpoint Descriptor<=== bLength: 0x07 bDescriptorType: 0x05 bEndpointAddress: 0x02 -> Direction: OUT - EndpointID: 2 bmAttributes: 0x02 -> Bulk Transfer Type wMaxPacketSize: 0x0040 = 0x40 bytes bInterval: 0x00 ===>Endpoint Descriptor<=== bLength: 0x07 bDescriptorType: 0x05 bEndpointAddress: 0x82 -> Direction: IN - EndpointID: 2 bmAttributes: 0x02 -> Bulk Transfer Type wMaxPacketSize: 0x0040 = 0x40 bytes bInterval: 0x00 ===>Interface Descriptor<=== bLength: 0x09 bDescriptorType: 0x04 bInterfaceNumber: 0x02 bAlternateSetting: 0x00 bNumEndpoints: 0x00 bInterfaceClass: 0xFE -> This is an Application Specific USB Device Interface Class -> This is a Device Firmware Application Specific USB Device Interface Class bInterfaceSubClass: 0x01 bInterfaceProtocol: 0x01 iInterface: 0x05 English (United States) "DFU-RT Port" ===>HID Descriptor<=== bLength: 0x09 bDescriptorType: 0x21 bcdHID: 0xE80D bCountryCode: 0x03 bNumDescriptors: 0x00