PORTS Forum

Ports and Interfaces => USB => Topic started by: genp on March 05, 2014, 08:34:21 pm

Title: hid transfer of more than 255 bytes
Post by: genp on March 05, 2014, 08:34:21 pm

Hello,
I need to implement HID device which is capable of transferring 400 byte of data in IN and OUT reports over interrupt endpoint in USB 2.0.
I can set needed maximum packet size in endpoint descriptors, but the report count in a Report Descriptor is only 1 byte, so the maximum report length I can get is 255.
How do I solve this problem ?

Thanks a lot

Title: Re: hid transfer of more than 255 bytes
Post by: genp on March 05, 2014, 09:51:04 pm

I've found it. need to use 0x96 id instead of 0x95

Title: Re: hid transfer of more than 255 bytes
Post by: Jan Axelson on March 11, 2014, 09:35:12 pm

Thanks for reporting the fix!