FTDI Community

General Category => Discussion - Drivers => Topic started by: tklosa on December 04, 2020, 08:36:53 PM

Title: D3xx - Determine Pipe direction from ID number
Post by: tklosa on December 04, 2020, 08:36:53 PM

Hi all,

I observed that the ID numbering for IN pipes seen from the PC host side seem to start with 0x80.
(see attached screenshot)

Is it safe to use the highest ID bit as a direction flag?