TinyUsb游戏面板GamePad报告描述符

0x05, 0x01,        // Usage Page (Generic Desktop Ctrls)
0x09, 0x05,        // Usage (Game Pad)
0xA1, 0x01,        // Collection (Application)
0x05, 0x01,        //   Usage Page (Generic Desktop Ctrls)
0x09, 0x30,        //   Usage (X)
0x09, 0x31,        //   Usage (Y)
0x09, 0x32,        //   Usage (Z)
0x09, 0x35,        //   Usage (Rz)
0x09, 0x33,        //   Usage (Rx)
0x09, 0x34,        //   Usage (Ry)
0x15, 0x81,        //   Logical Minimum (-127)
0x25, 0x7F,        //   Logical Maximum (127)
0x95, 0x06,        //   Report Count (6)
0x75, 0x08,        //   Report Size (8)
0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01,        //   Usage Page (Generic Desktop Ctrls)
0x09, 0x39,        //   Usage (Hat switch)
0x15, 0x01,        //   Logical Minimum (1)
0x25, 0x08,        //   Logical Maximum (8)
0x35, 0x00,        //   Physical Minimum (0)
0x46, 0x3B, 0x01,  //   Physical Maximum (315)
0x95, 0x01,        //   Report Count (1)
0x75, 0x08,        //   Report Size (8)
0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x09,        //   Usage Page (Button)
0x19, 0x01,        //   Usage Minimum (0x01)
0x29, 0x20,        //   Usage Maximum (0x20)
0x15, 0x00,        //   Logical Minimum (0)
0x25, 0x01,        //   Logical Maximum (1)
0x95, 0x20,        //   Report Count (32)
0x75, 0x01,        //   Report Size (1)
0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0xC0,              // End Collection

// 66 bytes

宏定义：

// Gamepad Report Descriptor Template
// with 32 buttons, 2 joysticks and 1 hat/dpad with following layout
// | X | Y | Z | Rz | Rx | Ry (1 byte each) | hat/DPAD (1 byte) | Button Map (4 bytes) |
#define TUD_HID_REPORT_DESC_GAMEPAD(...) \
  HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP     )                 ,\
  HID_USAGE      ( HID_USAGE_DESKTOP_GAMEPAD  )                 ,\
  HID_COLLECTION ( HID_COLLECTION_APPLICATION )                 ,\
    /* Report ID if any */\
    /* 8 bit X, Y, Z, Rz, Rx, Ry (min -127, max 127 ) */ \
    HID_USAGE_PAGE     ( HID_USAGE_PAGE_DESKTOP                 ) ,\
    HID_USAGE          ( HID_USAGE_DESKTOP_X                    ) ,\
    HID_USAGE          ( HID_USAGE_DESKTOP_Y                    ) ,\
    HID_USAGE          ( HID_USAGE_DESKTOP_Z                    ) ,\
    HID_USAGE          ( HID_USAGE_DESKTOP_RZ                   ) ,\
    HID_USAGE          ( HID_USAGE_DESKTOP_RX                   ) ,\
    HID_USAGE          ( HID_USAGE_DESKTOP_RY                   ) ,\
    HID_LOGICAL_MIN    ( 0x81                                   ) ,\
    HID_LOGICAL_MAX    ( 0x7f                                   ) ,\
    HID_REPORT_COUNT   ( 6                                      ) ,\
    HID_REPORT_SIZE    ( 8                                      ) ,\
    HID_INPUT          ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
    /* 8 bit DPad/Hat Button Map  */ \
    HID_USAGE_PAGE     ( HID_USAGE_PAGE_DESKTOP                 ) ,\
    HID_USAGE          ( HID_USAGE_DESKTOP_HAT_SWITCH           ) ,\
    HID_LOGICAL_MIN    ( 1                                      ) ,\
    HID_LOGICAL_MAX    ( 8                                      ) ,\
    HID_PHYSICAL_MIN   ( 0                                      ) ,\
    HID_PHYSICAL_MAX_N ( 315, 2                                 ) ,\
    HID_REPORT_COUNT   ( 1                                      ) ,\
    HID_REPORT_SIZE    ( 8                                      ) ,\
    HID_INPUT          ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
    /* 32 bit Button Map */ \
    HID_USAGE_PAGE     ( HID_USAGE_PAGE_BUTTON                  ) ,\
    HID_USAGE_MIN      ( 1                                      ) ,\
    HID_USAGE_MAX      ( 32                                     ) ,\
    HID_LOGICAL_MIN    ( 0                                      ) ,\
    HID_LOGICAL_MAX    ( 1                                      ) ,\
    HID_REPORT_COUNT   ( 32                                     ) ,\
    HID_REPORT_SIZE    ( 1                                      ) ,\
    HID_INPUT          ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
  HID_COLLECTION_END \