djsundog
/
circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Correct and improve usb_hid.Device doc

This commit is contained in:
Dan Halbert 2021-09-22 00:04:58 -04:00
parent 91223c8d97
commit 24774246f9
1 changed files with 17 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
shared-bindings/usb_hid/Device.c
View File

@ -39,16 +39,29 @@
//| not verified for correctness; it is up to you to make sure it is not malformed.
//| :param int usage_page: The Usage Page value from the descriptor. Must match what is in the descriptor.
//| :param int usage: The Usage value from the descriptor. Must match what is in the descriptor.
//| :param int report_ids: Sequence of report ids used by the descriptor.
//| If the ``report_descriptor`` does not have a report ID, use 0.
//| :param int in_report_lengths: Sequence of sizes in bytes of the HIDs report sent to the host.
//| :param Sequence[int] report_ids: Sequence of report ids used by the descriptor.
//| If the ``report_descriptor`` does not specify any report IDs, use ``(0,)``.
//| :param Sequence[int] in_report_lengths: Sequence of sizes in bytes of the HID reports sent to the host.
//| The sizes are in order of the ``report_ids``.
//| Use a size of ``0`` for a report that is not an IN report.
//| "IN" is with respect to the host.
//| :param int out_report_lengths: Size in bytes of the HID report received from the host.
//| :param int out_report_lengths: Sequence of sizes in bytes of the HID reports received from the host.
//| The sizes are in order of the ``report_ids``.
//| Use a size of ``0`` for a report that is not an OUT report.
//| "OUT" is with respect to the host.
//|
//| ``report_ids``, ``in_report_lengths``, and ``out_report_lengths`` must all be the same length.
//|
//| Here is an example of a `Device` with a descriptor that specifies two report IDs, 3 and 4.
//| Report ID 3 sends an IN report of length 5, and receives an OUT report of length 6.
//| Report ID 4 sends an IN report of length 2, and does not receive an OUT report::
//|
//| device = usb_hid.Device(
//| descriptor=b"...", # Omitted for brevity.
//| report_ids=(3, 4),
//| in_report_lengths=(5, 2),
//| out_report_lengths=(6, 0),
//| )
//| """
//| ...
//|