usb_desc.c

This sample code is that usb composite device. It s sample usb speaker and mouse funciton.

    0x00,                                 /* bLockDelayUnits */
    0x00,                                 /* wLockDelay */
    0x00,
    
    
        /************** Descriptor of Joystick Mouse interface ****************/
    /* 109 */
    0x09,         /*bLength: Interface Descriptor size*/
    USB_INTERFACE_DESCRIPTOR_TYPE,/*bDescriptorType: Interface descriptor type*/
    0x02,         /*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 ********************/
    /* 118 */
    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 ********************/
    /* 127 */
    0x07,          /*bLength: Endpoint Descriptor size*/
    USB_ENDPOINT_DESCRIPTOR_TYPE, /*bDescriptorType:*/

    0x82,          /*bEndpointAddress: Endpoint Address (IN)*/
    0x03,          /*bmAttributes: Interrupt endpoint*/
    0x04,          /*wMaxPacketSize: 4 Byte max */
    0x00,
    0x20,          /*bInterval: Polling Interval (32 ms)*/
  }; /* MOUSE_ConfigDescriptor */

const u8 Joystick_ReportDescriptor[JOYSTICK_SIZ_REPORT_DESC] =
  {
    0x05,          /*Usage Page(Generic Desktop)*/
    0x01,
    0x09,          /*Usage(Mouse)*/
    0x02,
    0xA1,          /*Collection(Logical)*/
    0x01,
    0x09,          /*Usage(Pointer)*/
    0x01,
    /* 8 */
    0xA1,          /*Collection(Linked)*/
    0x00,
    0x05,          /*Usage Page(Buttons)*/
    0x09,
    0x19,          /*Usage Minimum(1)*/
    0x01,
    0x29,          /*Usage Maximum(3)*/
    0x03,
    /* 16 */
    0x15,          /*Logical Minimum(0)*/
    0x00,
    0x25,          /*Logical Maximum(1)*/
    0x01,
    0x95,          /*Report Count(3)*/
    0x03,
    0x75,          /*Report Size(1)*/
    0x01,
    /* 24 */
    0x81,          /*Input(Variable)*/
    0x02,
    0x95,          /*Report Count(1)*/
    0x01,
    0x75,          /*Report Size(5)*/
    0x05,
    0x81,          /*Input(Constant,Array)*/
    0x01,
    /* 32 */
    0x05,          /*Usage Page(Generic Desktop)*/
    0x01,
    0x09,          /*Usage(X axis)*/
    0x30,
    0x09,          /*Usage(Y axis)*/
    0x31,
    0x09,          /*Usage(Wheel)*/
    0x38,
    /* 40 */
    0x15,          /*Logical Minimum(-127)*/
    0x81,
    0x25,          /*Logical Maximum(127)*/
    0x7F,
    0x75,          /*Report Size(8)*/
    0x08,
    0x95,          /*Report Count(3)*/
    0x03,
    /* 48 */
    0x81,          /*Input(Variable, Relative)*/
    0x06,
    0xC0,          /*End Collection*/
    0x09,
    0x3c,
    0x05,
    0xff,
    0x09,
    /* 56 */
    0x01,
    0x15,
    0x00,
    0x25,
    0x01,
    0x75,
    0x01,
    0x95,
    /* 64 */
    0x02,
    0xb1,
    0x22,
    0x75,
    0x06,
    0x95,
    0x01,
    0xb1,
    /* 72 */
    0x01,
    0xc0
  }
  ; /* Joystick_ReportDescriptor */


/* USB String Descriptor (optional) */
const u8 Speaker_StringLangID[SPEAKER_SIZ_STRING_LANGID] =
  {
    0x04,
    0x03,
    0x09,
    0x04
  }
  ; /* LangID = 0x0409: U.S. English */

const u8 Speaker_StringVendor[SPEAKER_SIZ_STRING_VENDOR] =
  {
    SPEAKER_SIZ_STRING_VENDOR, /* Size of manufaturer string */
    USB_STRING_DESCRIPTOR_TYPE,  /* bDescriptorType*/
    /* Manufacturer: "STMicroelectronics" */
    'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
    'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
    'c', 0, 's', 0
  };

const u8 Speaker_StringProduct[SPEAKER_SIZ_STRING_PRODUCT] =
  {
    SPEAKER_SIZ_STRING_PRODUCT,  /* bLength */
    USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
    'S', 0, 'T', 0, 'M', 0, '3', 0, '2', 0, ' ', 0,
    'S', 0, 'p', 0, 'e', 0, 'a', 0, 'k', 0, 'e', 0, 'r', 0
  };
const u8 Speaker_StringSerial[SPEAKER_SIZ_STRING_SERIAL] =
  {
    SPEAKER_SIZ_STRING_SERIAL,  /* bLength */
    USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
    'D', 0, 'e', 0, 'm', 0, 'o', 0, ' ', 0, '1', 0, '.', 0, '0', 0, '0', 0, '0', 0,
    '0', 0, '0', 0,
  };


/* USB String Descriptors (optional) */
const u8 Joystick_StringLangID[JOYSTICK_SIZ_STRING_LANGID] =
  {
    JOYSTICK_SIZ_STRING_LANGID,
    USB_STRING_DESCRIPTOR_TYPE,
    0x09,
    0x04
  }
  ; /* LangID = 0x0409: U.S. English */

const u8 Joystick_StringVendor[JOYSTICK_SIZ_STRING_VENDOR] =
  {
    JOYSTICK_SIZ_STRING_VENDOR, /* Size of Vendor string */
    USB_STRING_DESCRIPTOR_TYPE,  /* bDescriptorType*/
    /* Manufacturer: "STMicroelectronics" */
    'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
    'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
    'c', 0, 's', 0
  };

const u8 Joystick_StringProduct[JOYSTICK_SIZ_STRING_PRODUCT] =
  {
    JOYSTICK_SIZ_STRING_PRODUCT,          /* bLength */
    USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
    'S', 0, 'T', 0, 'M', 0, '3', 0, '2', 0, ' ', 0, 'J', 0,
    'o', 0, 'y', 0, 's', 0, 't', 0, 'i', 0, 'c', 0, 'k', 0
  };
const u8 Joystick_StringSerial[JOYSTICK_SIZ_STRING_SERIAL] =
  {
    JOYSTICK_SIZ_STRING_SERIAL,           /* bLength */
    USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
    'J', 0, 'o', 0, 'y', 0, ' ', 0, ' ', 0, ' ', 0, '1', 0, '.', 0,
    '0', 0, '0', 0, '0', 0, '0', 0
  };

/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/