Reply Start a New Thread. I’m also sometimes getting a bluscreen that I believe is also caused by the GPS being connected at boot. I encounter this problem once in a while. Thank you for your interest in this question. Device misdetected as serial mouse Ask Question. I have the same question

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I’d prefer to avoid any user intervention by changing the protocol on our device so as not to confuse Windows, but if that doesn’t work out then blalpoint least I have an official workaround and “bug” acknowledgment to refer to.

I used a ms delay after serial connection to prevent Windows detecting my device as a mouse, instead.

I wouldn’t risk that, I would use the tool Microsoft recommends in that link. Thanks for your feedback, it helps us improve the site. The only reliable way of preventing false detection microsooft to not send any data out of your serial port as long as you see this pattern on the DTR and RTS lines. All ports on the computer will be shown. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.

Mini Project: Emulate a Microsoft Serial BallPoint/Mouse

Use dongles or RS interface card to connect with a PC. When is Microsoft going to fix this? I encounter this problem once in a while. So mouse pointer starts crazy jumping over the screen, pressing buttons and like.


It may be that you can avoid the problem with different baud rates – serial mice use quite low baud rates, and higher rates are unlikely to be accepted as good characters by the UART at but as I’m sure you know, “unlikely” here does not mean it will never happen. Office Office Exchange Server. This should hopefully work as an universal ballpojnt.

Download Microsoft Serial BallPoint

Here is a list of all valid Start values: I had this ballpoitn since with serial scale heads connected to the pc. Forgot to mention that, I’ll add it to the answer, Thanks. Microsoft acknowledges this bug: If such poll happens during your Windows PC ballpint, you are in trouble.

So the solution is not to send any data before Windows has started. Then, you could get enough control to hit “OK” to confirm This site uses cookies for analytics, personalized content and ads.

Mini Project: Emulate a Microsoft Serial BallPoint/Mouse — Parallax Forums

If you have a “true” microsift port, or an USB dongle RS, RS, it does not matter this problem can be worked around by first opening the serial port in question with a terminal, or whatever application you want to monitor it with, and only then plugging the device in. Did this solve your problem? You can follow the question or vote as helpful, but you cannot reply to this thread.


This will prevent serenum. Wednesday, August 22, 2: This can be used by an external device to reset the FTR.

FTDI Microsoft Serial BallPoint-compatible mouse drivers for Windows 7 x86

The issue seems to be that once the usb to serial converter is detected, driver loaded, and com port initialized, windows seiral checks on the newly added com port and identifies the serial device as a microsoft serial ballpoint, when in fact its a serial gps device. Remove From My Forums. I have some app note from Cisco systems describing how to do this.

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Also, if “Prevent installation of devices that match any of these device ID’s” is useful, we welcome you to share us. How not to be a mouse? However we were using a virtual USB serial port and for a traditional serial port this approach may be somewhat difficult as anything sent at a different baud rate is liable to look like line noise.