Do anyone know how to access directly LPT1, without a printer driver installed. The Idea is to control existent Hardware via LPT1 port bypassing Driver And/Or spooler.
If you use the Add New printer wizard, choose Local printer, LPT1, don't do any auto-detect and select 'Generic/Text only' you should get an old-fashioned character printer.
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If you want to get the best response to a question, please check out FAQ222-2244 first
'People who live in windowed environments shouldn't cast pointers.'
You might try Google for more HAL info
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If you want to get the best response to a question, please check out FAQ222-2244 first
'People who live in windowed environments shouldn't cast pointers.'
As stated by ms in msdn, MsComm is only for serial comunications .
How hould you make it work for the parallel port?
johnwm,
I think you're right, and i can do it by C code, but i'm searching for a means of doing it directly in VB6.
The link you show, was too interesting.
Use this program, it installs a driver to access the Hardware ports directly, I have not experimented so much with it, but I used it to controll a Velleman K8000 Interface board in Windows XP.
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Sweet sweet sweet Eldaria That was exactly what I was lookin for My Velleman passive tests are fine.. but not a single respons on my Parrallel port... That programme rocks AND OMG THE SOURCE CODE IN VB
You made my day
:s I connected a scope on Pin 13 and 14 of the parrallel port and used the Diagnostic Test K8000 for XP. I had a signal on Pin 17 (which is the clock)
On Pin 14 I get a 5VDC with a 150mVTT. The ripple seems to react to some degree on the output test. But is in no means connected to actual data output.
As all the traffic is done serial, where can I find the actual codes for each command ? Or some documantation on how the serial communication works ? Finding all that stuff out on my own might take a while. I don't see a start into it Maybe I could ask you for some source code
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