STM32复合设备的描述符配置问题

kurooruan · 发表于 2012-7-15 16:48:26

现在定义了两个Interface，一个是JoystickMouse，一个是多媒体键盘。现在把usb线插在电脑上只有鼠标功能能够实现，另一个设备提示不能启动。
鼠标只用了端点1，多媒体键盘用了端点2

kurooruan · 发表于 2012-7-15 17:26:24

贴个设备描述符，实在不想耗费flash的寿命了。。。。请玩过usb的朋友看看
前面是鼠标的描述，后面是键盘的描述
const u8 Joystick_ConfigDescriptor[JOYSTICK_SIZ_CONFIG_DESC] =
  {
    0x09, /* bLength: Configuation Descriptor size */
    USB_CONFIGURATION_DESCRIPTOR_TYPE, /* bDescriptorType: Configuration */
    JOYSTICK_SIZ_CONFIG_DESC,
    /* wTotalLength: Bytes returned */
    0x00,
    0x02,         /*bNumInterfaces: 2 interface*/
    0x01,         /*bConfigurationValue: Configuration value*/
    0x00,         /*iConfiguration: Index of string descriptor describing
                                     the configuration*/
    0xA0,         /*bmAttributes: bus powered 总线供电，支持远程唤醒;供电模式选择．Bit4-0保留，D7:总线供电，D6:自供电，D5:远程唤醒
*/
    0x64,         /*MaxPower 200 mA: this current is used for detecting Vbus*/

    /************** Descriptor of Joystick Mouse interface ****************/
    /* 09 */
    0x09,         /*bLength: Interface Descriptor size*/
    USB_INTERFACE_DESCRIPTOR_TYPE,/*bDescriptorType: Interface descriptor type*/
    0x00,         /*bInterfaceNumber: Number of Interface*/
    0x00,         /*bAlternateSetting: Alternate setting*/
    0x01,         /*bNumEndpoints*/
    0x03,         /*bInterfaceClass: HID*/
    0x01,         /*bInterfaceSubClass: 1=BOOT, 0=no boot*/
    0x02,         /*nInterfaceProtocol: 0=none, 1=keyboard, 2=mouse*/
    0,            /*iInterface: Index of string descriptor*/
    /******************** Descriptor of Joystick Mouse HID ********************/
    /* 18 */
    0x09,         /*bLength: HID Descriptor size*/
    HID_DESCRIPTOR_TYPE, /*bDescriptorType: HID*/
    0x00,         /*bcdHID: HID Class Spec release number*/
    0x01,
    0x00,         /*bCountryCode: Hardware target country*/
    0x01,         /*bNumDescriptors: Number of HID class descriptors to follow*/
    0x22,         /*bDescriptorType*/
    JOYSTICK_SIZ_REPORT_DESC,/*wItemLength: Total length of Report descriptor*/
    0x00,
    /******************** Descriptor of Joystick Mouse endpoint ********************/
    /* 27 */
    0x07,          /*bLength: Endpoint Descriptor size*/
    USB_ENDPOINT_DESCRIPTOR_TYPE, /*bDescriptorType:*/

    0x81,          /*bEndpointAddress: Endpoint Address (IN)*/
    0x03,          /*bmAttributes: Interrupt endpoint*/
    0x04,          /*wMaxPacketSize: 4 Byte max*/
    0x00,
    0x20,          /*bInterval:

olling Interval (32 ms)*/

/*-------------------------------------------------------------------*/
/************** Descriptor of keyboard interface ****************/

    /************** Descriptor of interface ****************/
    /* 09 */
    0x09,         /*bLength: Interface Descriptor size*/
    USB_INTERFACE_DESCRIPTOR_TYPE,/*bDescriptorType: Interface descriptor type*/
    0x01,         /*bInterfaceNumber: Number of Interface*/
    0x00,         /*bAlternateSetting: Alternate setting*/
    0x02,         /*bNumEndpoints*/
    0x03,         /*bInterfaceClass: HID*/
    0x00,         /*bInterfaceSubClass: 1=BOOT, 0=no boot*/
    0x00,         /*nInterfaceProtocol: 0=none, 1=keyboard, 2=mouse*/
    0,            /*iInterface: Index of string descriptor*/
    /******************** Descriptor of HID ********************/
    /* 18 */
    0x09,         /*bLength: HID Descriptor size*/
    HID_DESCRIPTOR_TYPE, /*bDescriptorType: HID*/
    0x00,         /*bcdHID: HID Class Spec release number*/
    0x01,
    0x00,         /*bCountryCode: Hardware target country*/
    0x01,         /*bNumDescriptors: Number of HID class descriptors to follow*/
    0x22,         /*bDescriptorType*/
    JOYSTICK_SIZ_REPORT_DESC_KP,/*wItemLength: Total length of Report descriptor*/
    0x00,
    /******************** Descriptor of  endpoint ********************/
    /* 27 */
    0x07,          /*bLength: Endpoint Descriptor size*/
    USB_ENDPOINT_DESCRIPTOR_TYPE, /*bDescriptorType:*/

    0x82,          /*bEndpointAddress: Endpoint Address (IN)*/
    0x03,          /*bmAttributes: Interrupt endpoint*/
    0x40,          /*wMaxPacketSize: 64 Byte max */
    0x00,
    0x0A,          /*bInterval:

olling Interval (10 ms)*/
    /* 34 */
    /******************** Descriptor of  endpoint ********************/
    /* 27 */
    0x07,          /*bLength: Endpoint Descriptor size*/
    USB_ENDPOINT_DESCRIPTOR_TYPE, /*bDescriptorType:*/

    0x02,          /*bEndpointAddress: Endpoint Address (OUT)*/
    0x03,          /*bmAttributes: Interrupt endpoint*/
    0x40,          /*wMaxPacketSize: 64 Byte max */
    0x00,
    0x0A,          /*bInterval:

olling Interval (10 ms)*/
/* 34 */
}