Re: New Essay: Serial Ports
I've written an essay on serial port programming; it is now available on my MVP Tips site.
No code download, and this was created on-the-fly as I was writing the essay, usual
Nice essay as usual!
Just one question.
When creating a new SerialParameters i guess that the first HANDLE is the
COM port, the second CWnd is the window that will be notified, but what is
the third param?
I join to this question. And how call paramters from "SerialParameters"
from other class to use handle to open port?
For example what am I write in 'new SerialParameters(...)' for work
In Joe's code, the third parameter to SerialParameters is an event
handle that is used to command the threads to exit during program close.
m_hShutdown = CreateEvent(NULL, FALSE, FALSE, NULL);
writer->parms = new SerialParameters(hCom, AfxGetMainWnd(), m_hShutdown);
When the program is closing, command thread shutdown with
SetEvent(m_hShutdown). This causes WaitForMultipleObjects to return
WAIT_OBJECT_0 and the threads will exit.
Scott McPhillips [VC++ MVP]
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