USB HID 键码（键盘）

Question

我正在尝试在微控制器上实现笔记本电脑键盘。 我找不到某些 fn 按钮的 usb 代码。 usb 协议对更改显示亮度、音量、媒体键的组合进行了描述，但还需要更多。 谁能告诉我在哪里可以找到禁用触摸板或启用飞行模式的 usb 代码？

现在这是我的描述符。

  0x05, 0x01,                    //   USAGE_PAGE (Generic Desktop)
            0x09, 0x06,                    //   USAGE (Keyboard)
            0xa1, 0x01,                    //   COLLECTION (Application)
            0x85, 0x01,                    //   Report ID (1)
            0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
            0x19, 0xe0,                    //   USAGE_MINIMUM (Keyboard LeftControl)
            0x29, 0xe7,                    //   USAGE_MAXIMUM (Keyboard Right GUI)
            0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
            0x25, 0x01,                    //   LOGICAL_MAXIMUM (1)
            0x75, 0x01,                    //   REPORT_SIZE (1)
            0x95, 0x08,                    //   REPORT_COUNT (8)
            0x81, 0x02,                    //   INPUT (Data,Var,Abs)
            0x95, 0x01,                    //   REPORT_COUNT (1)
            0x75, 0x08,                    //   REPORT_SIZE (8)
            0x81, 0x03,                    //   INPUT (Cnst,Var,Abs)
            0x95, 0x05,                    //   REPORT_COUNT (5)
            0x75, 0x01,                    //   REPORT_SIZE (1)
            0x05, 0x08,                    //   USAGE_PAGE (LEDs)
            0x19, 0x01,                    //   USAGE_MINIMUM (Num Lock)
            0x29, 0x05,                    //   USAGE_MAXIMUM (Kana)
            0x91, 0x02,                    //   OUTPUT (Data,Var,Abs)
            0x95, 0x01,                    //   REPORT_COUNT (1)
            0x75, 0x03,                    //   REPORT_SIZE (3)
            0x91, 0x03,                    //   OUTPUT (Cnst,Var,Abs)
            0x95, 0x06,                    //   REPORT_COUNT (6)
            0x75, 0x08,                    //   REPORT_SIZE (8)
            0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
            0x25, 0x65,                    //   LOGICAL_MAXIMUM (101)
            0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
            0x19, 0x00,                    //   USAGE_MINIMUM (Reserved (no event indicated))
            0x29, 0x65,                    //   USAGE_MAXIMUM (Keyboard Application)
            0x81, 0x00,                    //   INPUT (Data,Ary,Abs)
            0xc0,                          //   END_COLLECTION 65
            0x05, 0x0C,                    //   Usage Page (Consumer)
            0x09, 0x01,                    //   Usage (Consumer Control)
            0xA1, 0x01,                    //   Collection (Application)
            0x85, 0x02,                    //   Report ID (2)
            0x05, 0x0C,                    //   Usage Page (Consumer)
            0x15, 0x00,                    //   Logical Minimum (0)
            0x25, 0x01,                    //   Logical Maximum (1)
            0x75, 0x01,                    //   Report Size (1)
            0x95, 0x08,                    //   Report Count (8)
            0x09, 0x6F,                    //   Brightness Increment
            0x09, 0x70,                    //   Brightness Decrement
            0x09, 0xB8,                    //   Usage (Eject)
            0x09, 0xCD,                    //   Usage (Play/Pause)
            0x09, 0xE2,                    //   Usage (Mute)
            0x09, 0xE9,                    //   Usage (Volume Increment)
            0x09, 0xEA,                    //   Usage (Volume Decrement)
            0x81, 0x02,                    //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
            0xC0,                          //   End Collection

Answer 1

我在无线控制部分找到了切换飞行模式的方法，这里有一个描述符。 仍然找不到禁用触摸板的方法。

            0x05, 0x01,                    //   USAGE_PAGE (Generic Desktop)
            0x09, 0x0C,                    //   USAGE (Wireless Radio Controls)
            0xA1, 0x01,                    //   COLLECTION (Application)
            0x85, 0x03,                    //   Report ID (3)
            0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
            0x25, 0x01,                    //   LOGICAL_MAXIMUM (1)
            0x09, 0xC6,                    //   USAGE (Wireless Radio Button)
            0x95, 0x01,                    //   REPORT_COUNT (1
            0x75, 0x01,                    //   REPORT_SIZE (1)
            0x81, 0x06,                    //   INPUT (Data,Var,Rel)
            0x75, 0x07,                    //   REPORT_SIZE (7
            0x81, 0x03,                    //   INPUT (Cnst,Var,Abs)
            0xC0,                          //   END_COLLECTION