HID: MIN_POLL_INTERVAL_MSEC & MAX_POLL_INTERVAL_MSEC

NTDEV
1

Hello,

In Microsoft’s documentation of IOCTL_HID_SET_POLL_FREQUENCY_MSEC
MIN_POLL_INTERVAL_MSEC and MAX_POLL_INTERVAL_MSEC are mentioned.

What are their values?

I can’t find them in any header file.

Thanks.

2

The values are not in a public header, but here they are
#define MIN_POLL_INTERVAL_MSEC 1
#define MAX_POLL_INTERVAL_MSEC 10000

But this does not do what you think it does. Nearly all HID miniports
are not polled in a loop. These values only affected polled HID
miniports (like a game controller using 0x201), a USB HID miniport is
not considered to be polled and these values have no effect on it.

d

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Subject: [ntdev] HID: MIN_POLL_INTERVAL_MSEC & MAX_POLL_INTERVAL_MSEC

Hello,

In Microsoft’s documentation of IOCTL_HID_SET_POLL_FREQUENCY_MSEC
MIN_POLL_INTERVAL_MSEC and MAX_POLL_INTERVAL_MSEC are mentioned.

What are their values?

I can’t find them in any header file.

Thanks.

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