Author Topic: Accessing USB  (Read 4890 times)


  • Full Member
  • ***
  • Posts: 198
  • Embedded System Developer
    • Automation Artisans Inc.
Accessing USB
« on: April 06, 2018, 03:30:49 am »
Under the Oracle VM Virtual Box in a terminal window the command lsusb returns what are supposed to be the USB ports with VID:PID numbers.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

These aren't what are actually on the PC running WIN-7 and the virtual box.

Under Raspian it returns the real VID:PID of the USB devices and also under Debian on a Beaglebone.

Under windows reading the registry can return the COM ports but the USB VID:PID is harder to get at.

What I'd like is an approach to get the USB VID:PID and description strings via Lazarus from any of the three target Operating systems.  And then of course be able to open a USB COM port and read/write form/to it.



  • Jr. Member
  • **
  • Posts: 66


TinyPortal © 2005-2018