USB-BOOT鼠标

设备描述符

12 01 10 01 00 00 00 08 
4F 1C 34 00 10 01 01 02 
00 01

解析后：

0x12,        // bLength
0x01,        // bDescriptorType (Device)
0x10, 0x01,  // bcdUSB 1.10
0x00,        // bDeviceClass (Use class information in the Interface Descriptors)
0x00,        // bDeviceSubClass 
0x00,        // bDeviceProtocol 
0x08,        // bMaxPacketSize0 8
0x4F, 0x1C,  // idVendor 0x1C4F
0x34, 0x00,  // idProduct 0x34
0x10, 0x01,  // bcdDevice 2.10
0x01,        // iManufacturer (String Index)
0x02,        // iProduct (String Index)
0x00,        // iSerialNumber (String Index)
0x01,        // bNumConfigurations 1

// 18 bytes

配置描述符

09 02 22 00 01 01 00 A0 
32 09 04 00 00 01 03 01 
02 00 09 21 10 01 00 01 
22 34 00 07 05 81 03 04 
00 0A

解析后：

0x09,        //   bLength
0x02,        //   bDescriptorType (Configuration)
0x22, 0x00,  //   wTotalLength 34
0x01,        //   bNumInterfaces 1
0x01,        //   bConfigurationValue
0x00,        //   iConfiguration (String Index)
0xA0,        //   bmAttributes Remote Wakeup
0x32,        //   bMaxPower 100mA

0x09,        //   bLength
0x04,        //   bDescriptorType (Interface)
0x00,        //   bInterfaceNumber 0
0x00,        //   bAlternateSetting
0x01,        //   bNumEndpoints 1
0x03,        //   bInterfaceClass
0x01,        //   bInterfaceSubClass
0x02,        //   bInterfaceProtocol
0x00,        //   iInterface (String Index)

0x09,        //   bLength
0x21,        //   bDescriptorType (HID)
0x10, 0x01,  //   bcdHID 1.10
0x00,        //   bCountryCode
0x01,        //   bNumDescriptors
0x22,        //   bDescriptorType[0] (HID)
0x34, 0x00,  //   wDescriptorLength[0] 52

0x07,        //   bLength
0x05,        //   bDescriptorType (Endpoint)
0x81,        //   bEndpointAddress (IN/D2H)
0x03,        //   bmAttributes (Interrupt)
0x04, 0x00,  //   wMaxPacketSize 4
0x0A,        //   bInterval 10 (unit depends on device speed)

// 34 bytes

GetProtocol

USB请求：A1 03 00 00 00 00 01 00 
数据返回：00

解释详见：https://www.usbzh.com/article/detail-107.html

通讯数据

数据格式分析：https://www.usbzh.com/article/detail-327.html

00 00 FF 00 
00 FF FC 00 
00 FF F8 00 
00 00 FB 00 
00 FF FC 00 
...