<morfertaw[m]> "Here is the hid report descripto..." <- > <@morfertaw:matrix.org> Here is the hid report descriptor with the id.
> 
> ```rust
> const KEYBOARD_ID: u8 = 0x01;
> 
> pub const HID_KEYBOAD_REPORT_DISCRIPTOR: &[u8] = hid!(
>     (USAGE_PAGE, 0x01), // USAGE_PAGE (Generic Desktop Ctrls)
>     (USAGE, 0x06),      // USAGE (Keyboard)
>     (COLLECTION, 0x01), // COLLECTION (Application)
>     // ------------------------------------------------- Keyboard
>     (REPORT_ID, KEYBOARD_ID), //   REPORT_ID (1)
>     (USAGE_PAGE, 0x07),      //   USAGE_PAGE (Kbrd/Keypad)
>     (USAGE_MINIMUM, 0xE0),   //   USAGE_MINIMUM (0xE0)
>     (USAGE_MAXIMUM, 0xE7),   //   USAGE_MAXIMUM (0xE7)
>     (LOGICAL_MINIMUM, 0x00), //   LOGICAL_MINIMUM (0)
>     (LOGICAL_MAXIMUM, 0x01), //   Logical Maximum (1)
>     (REPORT_SIZE, 0x01),     //   REPORT_SIZE (1)
>     (REPORT_COUNT, 0x08),    //   REPORT_COUNT (8)
>     (HIDINPUT, 0x02), //   INPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
>     (REPORT_COUNT, 0x01), //   REPORT_COUNT (1) ; 1 byte (Reserved)
>     (REPORT_SIZE, 0x08), //   REPORT_SIZE (8)
>     (HIDINPUT, 0x01), //   INPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
>     (REPORT_COUNT, 0x05), //   REPORT_COUNT (5) ; 5 bits (Num lock, Caps lock, Scroll lock, Compose, Kana)
>     (REPORT_SIZE, 0x01),  //   REPORT_SIZE (1)
>     (USAGE_PAGE, 0x08),   //   USAGE_PAGE (LEDs)
>     (USAGE_MINIMUM, 0x01), //   USAGE_MINIMUM (0x01) ; Num Lock
>     (USAGE_MAXIMUM, 0x05), //   USAGE_MAXIMUM (0x05) ; Kana
>     (HIDOUTPUT, 0x02), //   OUTPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
>     (REPORT_COUNT, 0x01), //   REPORT_COUNT (1) ; 3 bits (Padding)
>     (REPORT_SIZE, 0x03), //   REPORT_SIZE (3)
>     (HIDOUTPUT, 0x01), //   OUTPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
>     (REPORT_COUNT, 0x06), //   REPORT_COUNT (6) ; 6 bytes (Keys)
>     (REPORT_SIZE, 0x08), //   REPORT_SIZE(8)
>     (LOGICAL_MINIMUM, 0x00), //   LOGICAL_MINIMUM(0)
>     (LOGICAL_MAXIMUM, 0x65), //   LOGICAL_MAXIMUM(0x65) ; 101 keys
>     (USAGE_PAGE, 0x07), //   USAGE_PAGE (Kbrd/Keypad)
>     (USAGE_MINIMUM, 0x00), //   USAGE_MINIMUM (0)
>     (USAGE_MAXIMUM, 0x65), //   USAGE_MAXIMUM (0x65)
>     (HIDINPUT, 0x00),  //   INPUT (Data,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
>     (END_COLLECTION),  // END_COLLECTION
> );
> ```

It’s not valid to have a report ID unless you have more than one (I.e. you need a REPORT_ID (2) in there somewhere)