USB/STM3 newbie questions from Galaxy RS232/Planet 8051

spencer · ‎2008-03-27

Posted on March 27, 2008 at 21:35

spencer · ‎2011-05-17

Posted on May 17, 2011 at 12:27

This will be the first in a series of USB/STM32 newbie questions.

PrimerVirtualCom1.1's readme.txt downloaded from

http://www.stm32circle.com/projects/project.php?id=21

mentions ''the application USB2COMn.'' I don't see this file in the PrimerVirtualCom1.1 package. Google returns many hits on ''USB2COM,'' and searching my hard drive yields nothing. Can somebody recommend a copy of USB2COM.exe to download? Are they all the same? Is any known to be virus-free etc? Is this Windows application? Is it a .exe file?

[ This message was edited by: spencer1 on 27-03-2008 23:26 ]

[ This message was edited by: spencer1 on 27-03-2008 23:27 ]

bob239955 · ‎2011-05-17

Posted on May 17, 2011 at 12:27

Hi Spencer,

USB2COMn is actually just another name for the PrimerVirtualCOM1.1 application that is loaded onto the STM32 Primer Target. Indeed it is the the text displayed at the top of the Primers display while the application is running on the Primer. The reason why it has this other name 'USB2COMn' is because the circleOS1.7 under which it runs identifies applications by a name limited to 8 characters.

The PC software that you run to talk to PrimerVirtualCOM can be Windows Hyperterminal, any other dumb terminal emulation program like say Procomm, terminal, IVT, or your own software (written in say Microsoft VB/C#/C++ Express Edition 2005/2008) that allows you to choose the serial COM port you want to use. Hope this helps.

Bob:-)