[Gambas-user] Did anybody try to run stepper motors through paralel port

[Les Hardy]

Zelimir Ikovic wrote:
> I have VB6 program that run CNC plasma machine. It work very well and smooth under win200, but in WinXP machine motion is not good. 
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> It doesnot help if I set REALTIME prority for the process ...
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> How about Linux and Gambas? Daes it depent on version of Linux ...
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> What is resolution for Gambas Timer? Can I wait 10 microsec do something wait 10 microsec and so on ...
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> Regards
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>   
Hi, First of all, I apologise for giving winxp help in a Gambas mailing 
list, I will make it brief.
Parallel port access change when winxp came along. It was not so easy to 
get direct access to the port, and some versions of winxp look for 
devices by periodically writing to the port. This is may be the cause of 
poor motion. This can be fixed by setting the 'DisableWarmPoll' key in 
the registry.






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