>> It says to leave other stuff alone.
That's [very] incorrect information. You should set the timeouts and entire DCB before working with the port.
Serial Communications in Win32
gg
Type: Posts; User: Codeplug
>> It says to leave other stuff alone.
That's [very] incorrect information. You should set the timeouts and entire DCB before working with the port.
Serial Communications in Win32
gg
>> I don't completely understand.
Well, that's one of the things you setup in your DCB structure. Are you setting up your DCB structure and calling SetCommState()? Do you open the port with...
Well, the COMMTIMEOUTS settings and the flow-control also play a part.
If the write timeouts are 0 (not used) then a write operation "completes" once the driver has the data. Then you would have...
What flow control are you using?
gg