RE: tcl/tk serial port access on PocketPC: fconfigure -mode does not work

Keuchel, Rainer wrote:
> > There are some issues with the CE port and serial port access. It is 
> > not fully implemented.  This looks like the channel was not recognized 
> > as a serial port, but even if it was, looking in the sources I see 
> > that BuildCommDCB does not appear to be implemented, so this wouldn't 
> > work anyways.  Ah yes, in tcl/win/tclWinChan.c, FILE_TYPE_SERIAL 
> > detection is explicitly commented out for CE.
> 
> AFAIK it worked in my port, althought there were some strange 
> things on the Ipaq (like RXOVER being set).
> 
> Try the builds from http://www.rainer-keuchel.de/wince/tcltk-ce.html
> 
> Maybe Jeff can take a look at my tclWinSerial.c from 
> http://www.wince-devel.org/src/tcl8.4a2-wce-patch-src.tar.gz

Indeed Rainer is right, there are some differences.  First off,
I have to correct the last line of my original comment - that is
actually the opposite, that for CE, "com#:" is explicitly set to
be of FILE_TYPE_SERIAL.  However, the tclWinSerial.c files do
differ a bit (can't recall why).

I have moved things to a higher base PocketPC version.  Rainer
was very strict on early compat, whereas the current sources are
moving towards PocketPC 2003 (WinCE 4.20) as a baseline (although
they likely still work with WinCE 3.0).  Each WinCE revision gets
more built-in support for traditional Win32 APIs ... but it isn't
all there *yet*.

Jeff



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