Re: [ECOS] Serial Port Configuration

[Jonathan Larmour <jifl at eCosCentric dot com>]

Ali Rodgo wrote:
> Jonathan, what do you mean with "configuration is consistent"?I have checked the libraries and all of those are created, fcntl.h, termios.h etc.I have programmed: 

Something like "ecosconfig check" on the command line, or checking there 
are no conflicts if using the graphical eCos configuration tool 
(View->Conflicts I think).

> fd=open("/dev/termios1", O_RDWR | O_NOCTTY) /* suppose to open the termios1  driver associate to the harrware serial driver /dev/ser1.
> read(fd,buf,1)
>
> I am really confused

open() comes from the fileio package. If it says it can't find open(), then 
something is wrong with the way the fileio package was added, or eCos was 
rebuilt.

Jifl

> Thanks in advance
>
> Jonathan Larmour <jifl@eCosCentric.com> schrieb am 12.02.04 15:26:24:
>
> > Ali Rodgo wrote:
> >
> > > Thank you very much, i have made the following configuration:
> > >
> > > CYGPKG_IO_SERIAL_TERMIOS=enable CYGPKG_IO_SERIAL_TERMIOS_TERMIOS0=enable
> > > CYGPKG_IO_SERIAL_TERMIOS_TERMIOS1=enable 
> > > GYGDAT_IO_SERIAL_TERMIOS_TERMIOS1_DEV="/dev/ser1" 
> > > GYGDAT_IO_SERIAL_TERMIOS_TERMIOS0_DEV="/dev/ser0"
> > >
> > >
> > > CYGPKG_IO_SERIAL_DEVICE=enable 
> > > CYGPKG_IO_SERIAL_ARM_AT91_SERIAL1_NAME="/dev/ser1" 
> > > CYGPKG_IO_SERIAL_ARM_AT91_SERIAL0_NAME="/dev/ser0"
> > >
> > > and the code you can see in the file serial.c. When compiling i receive
> > > two errors in the open function:undefined reference to "open".
> >
> > open() should come from the FILEIO package which CYGPKG_IO_SERIAL_TERMIOS 
> > requires. Are you sure your configuration is consistent?
> >
> >
> > > I f i want to make a printf should now open the device(SERIAL A)
> > > "/dev/termios0" and call the write function or call easy the printf
> > > function as before(/dev/ttydiag)
> >
> > Assuming you aren't running GDB on the same port, it's probably best to use 
> > /dev/termios0, or /dev/tty0 should work too.
> >
> > You can't use /dev/ttydiag on the same port as you're running the "full" 
> > serial driver on.
> >
> > Jifl
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> >
> >
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>
>
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--
eCosCentric    http://www.eCosCentric.com/    The eCos and RedBoot experts
Visit us at Embedded World 2004, Nürnberg, Germany, 17-19 Feb, Stand 12-449
--["No sense being pessimistic, it wouldn't work anyway"]-- Opinions==mine


--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss