STM32F103RC实现USB HID设备，插入电脑未能成功安装设备驱动程序Bus Hound 抓到USTS c0004000 intfc not found

[lalalaxy]

STM32F103RC实现USB HID设备
插入电脑未能成功安装设备驱动程序


Bus Hound 抓到USTS c0004000 intfc not found，找不到接口interface

问题可能出在哪，完全没头绪。

[lalalaxy]

补上Bus Hound截图

[lalalaxy]

补上几个描述符
const uint8_t USB_DeviceDescriptor[18] =
{
0x12, /* bLength: Size of this descriptor in bytes */
0x01, /* bDescriptorType: DEVICE Descriptor Type */
0x00, /* bcdUSB: version 2.00=0200, 1.10=0110 */
0x02,
0x00, /* bDeviceClass: each interface define the device class */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceProtocol */
0x40, /* bMaxPacketSize0: Maximum packet size for endpoint zero */
0x83, /* idVendor: (0483) Vendor ID (assigned by the USB-IF) */
0x04,
0x20, /* idProduct: Product ID (assigned by the manufacturer) */
0x57,
0x00, /* bcdDevice: 2.00 Device release number in binary-coded decimal */
0x02,
0x01, /* iManufacturer: Index of string descriptor describing manufacturer */
0x02, /* iProduct: Index of string descriptor describing product */
0x03, /* iSerialNumber: Index of string descriptor describing the device's serial number */
0x01 /* bNumConfigurations: Number of possible configurations */
};

const uint8_t USB_ConfigDescriptor[41] =
{
0x09, /* bLength: Size of this descriptor in bytes */
0x02, /* bDescriptorType: CONFIGURATION Descriptor Type */
0x29, /* wTotalLength: Total length of data returned for this configuration. */
0x00,
0x01, /* bNumInterfaces: Number of interfaces supported by this configuration */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing this configuration */
0xE0, /* bmAttributes: self powered */
0x32, /* MaxPower: 100 mA, 0x01 represent 1mA */

/******************** Descriptor of interface ********************/
/* 09 */
0x09, /* bLength: Size of this descriptor in bytes */
0x04, /* bDescriptorType: Interface*/
0x00, /* bInterfaceNumber: Index of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x03, /* bNumEndpoints: Number of endpoint */
0x03, /* bInterfaceClass: HID Class */
0x00, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x00, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0x04, /* iInterface: Index of string descriptor describing this interface*/

/******************** Descriptor of HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
0x21, /* bDescriptorType: HID */
0x10, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
0x30, /* wItemLength: Total length of Report descriptor */
0x00,
/* [bDescriptorType] */
/* [wItemLength] */

/******************** Descriptor of Endpoint ********************/
/* 27 */
0x07, /* bLength: Endpoint descriptor length = 7 */
0x05, /* bDescriptorType: Endpoint descriptor type */
0x81, /* bEndpointAddress: (IN, address 1). bit7:1-IN, 0-OUT. bit6-4: reserve. bit3-0: endpoint address */
0x03, /* bmAttributes: Interrupt endpoint type */
0x40, /* wMaxPacketSize: Maximum packet size (64 bytes) */
0x00,
0x0A, /* bInterval: Polling interval in milliseconds */
/* 34 */
0x07, /* bLength: Endpoint descriptor length = 7 */
0x05, /* bDescriptorType: Endpoint descriptor type */
0x02, /* bEndpointAddress: (OUT, address 2). bit7:1-IN, 0-OUT. bit6-4: reserve. bit3-0: endpoint address */
0x03, /* bmAttributes: Interrupt endpoint type */
0x40, /* wMaxPacketSize: Maximum packet size (64 bytes) */
0x00,
0x0A /* bInterval: Polling interval in milliseconds */
/* 41 */
};

const uint8_t USB_ReportDescriptor[USB_SIZ_REPORT_DESC] =
{
0x06, 0xFF, 0x00, /* USAGE_PAGE (Vendor Page: 0xFF00) */
0x09, 0x01, /* USAGE (Demo Kit) */
0xA1, 0x01, /* COLLECTION (Application) */

/* Led 1 */
/* 6 */
0x85, 0x01, /* REPORT_ID (1) */
0x09, 0x01, /* USAGE (LED 1) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x95, 0x01, /* REPORT_COUNT (1) */
0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */

0x85, 0x01, /* REPORT_ID (1) */
0x09, 0x01, /* USAGE (LED 1) */
0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */

/* Led 2 */
/* 26 */
0x85, 0x02, /* REPORT_ID (2) */
0x09, 0x02, /* USAGE (LED 2) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x95, 0x01, /* REPORT_COUNT (1) */
0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */

0x85, 0x02, /* REPORT_ID (2) */
0x09, 0x02, /* USAGE (LED 2) */
0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */

/* 46 */
0xC0 /* END_COLLECTION */
/* 47 */
};

[lalalaxy]

还需要什么，我再补上。
能给一个方向一个思路也行，说一下可能是哪里的问题导致这个问题的，我循这个方向去查一下。

[iwetuan]

st就有usb的库和demo，先用demo调试，然后换到你自己的项目上找相关问题！

[007菜鸟]

0x40, /* bMaxPacketSize0: Maximum packet size for endpoint zero */ 改为 0x08