USB组合设备的实现

lvzhian · 发表于 2016-11-9 15:52:40

各位坛友，我在实现hid组合设备的时候，发现实现虚拟两个hid设备的时候一切正常，当虚拟三个hid设备的时候会出现下边这种情况，且此时所有的接口无法收发，mcu用的是401cc，是401不支持还是我设置有问题，下面附上configuration desc，希望搞过这个的可以指点一下

{
0x09, /* bLength: Configuration Descriptor size */
USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
USB_HID_CONFIG_DESC_SIZ,
/* wTotalLength: Bytes returned */
0x00,
0x03,       /*bNumInterfaces: 3 interface*/
0x01,       /*bConfigurationValue: Configuration value*/
0x00,       /*iConfiguration: Index of string descriptor describing
  the configuration*/
0xc0,       /*bmAttributes: bus powered and Support Remote Wake-up */
0x32,       /*MaxPower 100 mA: this current is used for detecting Vbus*/

/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09,       /*bLength: Interface Descriptor size*/
USB_DESC_TYPE_INTERFACE,/*bDescriptorType: Interface descriptor type*/
0x00,       /*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 Joystick Mouse HID ********************/
/* 18 */
0x09,       /*bLength: HID Descriptor size*/
HID_DESCRIPTOR_TYPE, /*bDescriptorType: HID*/
0x11,       /*bcdHID: HID Class Spec release number*/
0x01,
0x00,       /*bCountryCode: Hardware target country*/
0x01,       /*bNumDescriptors: Number of HID class descriptors to follow*/
0x22,       /*bDescriptorType*/
HID_MOUSE_REPORT_DESC_SIZE,/*wItemLength: Total length of Report descriptor*/
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07,       /*bLength: Endpoint Descriptor size*/
USB_DESC_TYPE_ENDPOINT, /*bDescriptorType:*/

HID_EPIN_ADDR,    /*bEndpointAddress: Endpoint Address (IN)*/
0x03,       /*bmAttributes: Interrupt endpoint*/
HID_EPIN_SIZE, /*wMaxPacketSize: 4 Byte max */
0x00,
0x00,       /*bInterval: Polling Interval (10 ms)*/
/******************** Descriptor of Mouse endpoint ********************/
/* 34 */
0x07,       /*bLength: Endpoint Descriptor size*/
USB_DESC_TYPE_ENDPOINT, /*bDescriptorType:*/

HID_EPOUT_ADDR,    /*bEndpointAddress: Endpoint Address (IN)*/
0x03,       /*bmAttributes: Interrupt endpoint*/
HID_EPOUT_SIZE, /*wMaxPacketSize: 4 Byte max */
0x00,
0x00,       /*bInterval: Polling Interval (10 ms)*/

//1/////////////////////////////////////////////////////////////////////
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09,       /*bLength: Interface Descriptor size*/
USB_DESC_TYPE_INTERFACE,/*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 Joystick Mouse HID ********************/
/* 18 */
0x09,       /*bLength: HID Descriptor size*/
HID_DESCRIPTOR_TYPE, /*bDescriptorType: HID*/
0x11,       /*bcdHID: HID Class Spec release number*/
0x01,
0x00,       /*bCountryCode: Hardware target country*/
0x01,       /*bNumDescriptors: Number of HID class descriptors to follow*/
0x22,       /*bDescriptorType*/
HID_MOUSE_REPORT_DESC_SIZE,/*wItemLength: Total length of Report descriptor*/
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07,       /*bLength: Endpoint Descriptor size*/
USB_DESC_TYPE_ENDPOINT, /*bDescriptorType:*/

HID_EPIN_ADDR1,    /*bEndpointAddress: Endpoint Address (IN)*/
0x03,       /*bmAttributes: Interrupt endpoint*/
HID_EPIN_SIZE, /*wMaxPacketSize: 4 Byte max */
0x00,
0x00,       /*bInterval: Polling Interval (10 ms)*/
/******************** Descriptor of Mouse endpoint ********************/
/* 34 */
0x07,       /*bLength: Endpoint Descriptor size*/
USB_DESC_TYPE_ENDPOINT, /*bDescriptorType:*/

HID_EPOUT_ADDR1,    /*bEndpointAddress: Endpoint Address (IN)*/
0x03,       /*bmAttributes: Interrupt endpoint*/
HID_EPOUT_SIZE, /*wMaxPacketSize: 4 Byte max */
0x00,
0x00,       /*bInterval: Polling Interval (10 ms)*/

//2/////////////////////////////////////////////////////////////////
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09,       /*bLength: Interface Descriptor size*/
USB_DESC_TYPE_INTERFACE,/*bDescriptorType: Interface descriptor type*/
0x02,       /*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 Joystick Mouse HID ********************/
/* 18 */
0x09,       /*bLength: HID Descriptor size*/
HID_DESCRIPTOR_TYPE, /*bDescriptorType: HID*/
0x11,       /*bcdHID: HID Class Spec release number*/
0x01,
0x00,       /*bCountryCode: Hardware target country*/
0x01,       /*bNumDescriptors: Number of HID class descriptors to follow*/
0x22,       /*bDescriptorType*/
HID_MOUSE_REPORT_DESC_SIZE,/*wItemLength: Total length of Report descriptor*/
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07,       /*bLength: Endpoint Descriptor size*/
USB_DESC_TYPE_ENDPOINT, /*bDescriptorType:*/

HID_EPIN_ADDR2,    /*bEndpointAddress: Endpoint Address (IN)*/
0x03,       /*bmAttributes: Interrupt endpoint*/
HID_EPIN_SIZE, /*wMaxPacketSize: 4 Byte max */
0x00,
0x00,       /*bInterval: Polling Interval (10 ms)*/
/******************** Descriptor of Mouse endpoint ********************/
/* 34 */
0x07,       /*bLength: Endpoint Descriptor size*/
USB_DESC_TYPE_ENDPOINT, /*bDescriptorType:*/

HID_EPOUT_ADDR2,    /*bEndpointAddress: Endpoint Address (IN)*/
0x03,       /*bmAttributes: Interrupt endpoint*/
HID_EPOUT_SIZE, /*wMaxPacketSize: 4 Byte max */
0x00,
0x00,       /*bInterval: Polling Interval (10 ms)*/
}