Search found 3 matches

by victor_r
Mon Oct 23, 2017 10:56 am
Forum: V-USB
Topic: Is Data IN endpoint required for HID devices?
Replies: 1
Views: 3496

Is Data IN endpoint required for HID devices?

Dear all, Should HID device have Data IN endpoint if it doesn't initiate any IN transfers? Many people say it's required by standard. But in my opinion HID devices specification is unclear about whether they are obliged to have IN endpoint or not. I look here: m. Page 10 contains "Required"...
by victor_r
Fri Feb 27, 2015 4:29 pm
Forum: V-USB
Topic: Zero length HID reports
Replies: 0
Views: 1456

Zero length HID reports

Dear Community, Did anyone of you succeed in making a zero bits long HID report? It's useful when, for example, only a notification is needed from device with no other information. It reduces USB bandwidth usage, and leaves more processing time to your MCU, and even more profitable when you don't wa...
by victor_r
Sat Apr 05, 2014 1:02 am
Forum: V-USB
Topic: Windows, HID.dll, HidD_SetOutputReport and HidD_SetFeature
Replies: 0
Views: 2572

Windows, HID.dll, HidD_SetOutputReport and HidD_SetFeature

... Solved, Dear Administrator, please delete this topic.