GD32 USB 复合设备文件描述符

/* USB HID device configuration descriptor set */

const uint8_t USBD_HID_CfgDesc[USB_HID_CONFIG_DESC_SIZE] =

{

    0x09,         /* bLength: configuration descriptor size */

    USB_DESCTYPE_CONFIGURATION, /* bDescriptorType: configuration descriptor type */

    USB_HID_CONFIG_DESC_SIZE,   /* wTotalLength: configuration descriptor set total length */

    0x00,

    0x02,         /* bNumInterfaces: 2 interface */

    0x01,         /* bConfigurationValue: configuration value */

    0x00,         /* iConfiguration: index of string descriptor describing the configuration */

    0xA0,         /* bmAttributes: device attributes (bus powered and support remote wakeup) */

    0x32,         /* bMaxPower 100 mA: this current is used for detecting Vbus */









   /*

    interface 0 for mouse.

    huohongpeng 2017-02-10

    */

    /************** interface descriptor  0****************/

    0x09,         /* bLength: interface descriptor size */

    USB_DESCTYPE_INTERFACE,/* bDescriptorType: interface descriptor type */

    0x00,         /* bInterfaceNumber: number of interface */

    0x00,         /* bAlternateSetting: alternate setting */

    0x01,         /* bNumEndpoints: just use 1 endpoint for Tx */

    0x03,         /* bInterfaceClass: HID class */

    0x01,         /* bInterfaceSubClass: 1 = BIOS boot, 0 = no boot */

    0x02,         /* nInterfaceProtocol: 0 = none, 1 = keyboard, 2 = mouse */

    0x00,         /* iInterface: index of interface string descriptor */





    /******************** HID descriptor  0********************/

    0x09,         /* bLength: HID descriptor size */

    HID_DESC_TYPE,/* bDescriptorType: HID */

    0x11,         /* bcdHID: HID class protocol(HID1.11) */

    0x01,

    0x00,         /* bCountryCode: device country code */

    0x01,         /* bNumDescriptors: number of HID class descriptors to follow */

    0x22,         /* bDescriptorType: followed class descriptor type(report descriptor) */

    USB_HID_REPORT_DESC0_SIZE, /* wDescriptorLength: total length of report descriptor */

    0x00,





    /******************** Mouse endpoint descriptor ********************/

    0x07,          /* bLength: Endpoint Descriptor size */

    USB_DESCTYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */

    HID1_IN_EP,     /* bEndpointAddress: endpoint address (EP1_IN) */

    0x03,          /* bmAttributes: endpoint attribute(interrupt endpoint) */

    HID1_IN_PACKET, /* wMaxPacketSize: 4 bytes max */

    0x00,

    0x0A,          /* bInterval: polling interval (10 ms) */













    /*

    interface 1 for host communication to mcu.

    huohongpeng 2017-02-10

    */

    /************** interface descriptor  1****************/

    0x09,         /* bLength: interface descriptor size */

    USB_DESCTYPE_INTERFACE,/* bDescriptorType: interface descriptor type */

    0x01,         /* bInterfaceNumber: number of interface */

    0x00,         /* bAlternateSetting: alternate setting */

    0x02,         /* bNumEndpoints: use 2 endpoint for Tx and Rx*/

    0x03,         /* bInterfaceClass: HID class */

    0x00,         /* bInterfaceSubClass: 1 = BIOS boot, 0 = no boot */

    0x00,         /* nInterfaceProtocol: 0 = none, 1 = keyboard, 2 = mouse */

    0x00,         /* iInterface: index of interface string descriptor */





    /******************** HID descriptor  1********************/

    0x09,         /* bLength: HID descriptor size */

    HID_DESC_TYPE,/* bDescriptorType: HID */

    0x11,         /* bcdHID: HID class protocol(HID1.11) */

    0x01,

    0x00,         /* bCountryCode: device country code */

    0x01,         /* bNumDescriptors: number of HID class descriptors to follow */

    0x22,         /* bDescriptorType: followed class descriptor type(report descriptor) */

    USB_HID_REPORT_DESC1_SIZE, /* wDescriptorLength: total length of report descriptor */

    0x00,





    /****************host communication mcu Tx endpoint descriptor ***********/

    0x07,          /* bLength: Endpoint Descriptor size */

    USB_DESCTYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */

    HID2_IN_EP,     /* bEndpointAddress: endpoint address (EP2_IN) */

    0x03,          /* bmAttributes: endpoint attribute(interrupt endpoint) */

    HID2_IN_PACKET, /* wMaxPacketSize: 64 bytes max */

    0x00,

    0x0A,          /* bInterval: polling interval (10 ms) */





    /************** host communication mcu Tx endpoint descriptor ************/

    0x07,          /* bLength: Endpoint Descriptor size */

    USB_DESCTYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */

    HID2_OUT_EP,     /* bEndpointAddress: endpoint address (EP2_OUT) */

    0x03,          /* bmAttributes: endpoint attribute(interrupt endpoint) */

    HID2_OUT_PACKET, /* wMaxPacketSize: 64 bytes max */

    0x00,

    0x0A,          /* bInterval: polling interval (10 ms) */

};

--------------------- 

/*

for mcu and host communication HID report descriptor 

huohongpeng 2017-02-10

create tools: HID Description Tool

*/

const uint8_t HID_ReportDesc1[USB_HID_REPORT_DESC1_SIZE] =

{

    0x05,   0x40,   /* USAGE_PAGE (HDWB Page)    */ 

    0x09,   0x01,   /* USAGE (host commnication) */

    0xa1,   0x01,   /* COLLECTION (Application)  */





    /* The Input Report */

    0x09,   0x03,   /* USAGE (Vendor defined)    */

    0x15,   0x00,   /* LOGICAL_MINIMUM (0)       */

    0x25,   0xff,   /* LOGICAL_MAXIMUM (255)     */

    0x75,   0x08,   /* REPORT_SIZE (8)           */

    0x95,   0x40,   /* REPORT_COUNT (64)         */

    0x81,   0x02,   /* INPUT (Data, Var, Abs)    */





    /* The Output Report */

    0x09,   0x04,   /* USAGE (Vendor defined)    */

    0x15,   0x00,   /* LOGICAL_MINIMUM (0)       */

    0x25,   0xff,   /* LOGICAL_MAXIMUM (1)       */

    0x75,   0x08,   /* REPORT_SIZE (8)           */

    0x95,   0x40,   /* REPORT_COUNT (64)         */

    0x91,   0x02,   /* OUTPUT (Data, Var, Abs)   */

    0xc0            /* END_COLLECT               */

};

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