On Sat, Aug 15, 2009 at 2:56 PM, glogic20<[email protected]> wrote: > this->hSerial = CreateFile("/dev/COM3",
/dev/COM3? That looks like a Linux path, not a Windows one.
Have you tried simply
this->hSerial = CreateFile("COM3", ....
i.e. no path with it?
What value does this->hSerial have after the call? If it's
INVALID_HANDLE_VALUE, what does GetLastError() give you?
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