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andru

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io ports

i gather that the rtl stuff is depreciated. however i can't find any documentation on using streams to access the io ports. in Ā particular the serial and parallel ports, or maybe also usb.

please point me to the right documentation and maybe also 3rd party components that allow access to io ports.

tia
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robert_marquardt

There is no good reason to connect streams to IO ports because usually you want to use the Win32 API functions directly.
All COM port components work that way.
USB is impossible because the USB port is nonexistent. You always talk to devices.
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mgazza
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I use Async Professional for Delphi and it works great for me.
I stopped on version 3, but they went open source as far as I know...
so just have a look at source forge for more information.
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ASKER

as i guessed, but wasn't sure bout parallel port.

thanks
no problem :D glad to help