[ECOS] problem with tcgetattr

["Tom Rychener" <tom dot rychener at iitele dot com>]

Hello,

I'm trying to port Trillium's ISDN stack which currently runs on our linux
platform to eCos and I have some trouble with termios function:  tcgetattr.
This is what the program does.

FILE* fl = (FILE*) stdin;
int fd = fileno(fl);
tcgetattr(fd, &t);

This function, tcgetattr fails (returns -1 with errno set to "invalid
argument").
I had a look to functions called by tcgetattr :
tcgetattr (fildes=0, termios_p=0x4f738) at
//e/ecos/REDHAT~1/eCos/packages/io/serial/current/src/common/termios.c:160
    calls
        ret = fp->f_ops->fo_getinfo( fp, CYG_IO_GET_CONFIG_TERMIOS,
termios_p,  len);
    which for a device is mapped to
        dev_fo_getinfo (fp=0x4d3e8, key=1024, buf=0x4f738, len=40)
     and this function calls (devfs.cxx l452)
         err = cyg_io_get_config( (cyg_io_handle_t)fp->f_data, key, buf,
&ll );
     then this function calls    (iosys.c l257)
        t->handlers->get_config(handle, key, buf, len);
    which is mapped for a serial device to
        serial_get_config (handle=0x3f12c, key=1024, xbuf=0x4f6fc,
len=0x4f738)

It seems that the problem is about the "key", because serial_get_config only
tests CYG_IO_GET_CONFIG_SERIAL_xxx which differ from
CYG_IO_GET_CONFIG_TERMIOS, and so generates an error.

I have enabled CYGPKG_IO_SERIAL_TERMIOS_TERMIOS0,
CYGPKG_IO_SERIAL_TERMIOS_TERMIOS1, and CYGPKG_IO_SERIAL_TERMIOS_TERMIOS2 in
my configuration, and it doesnt make a difference.  I would like
t->handlers->getconfig(handle, key, buf, len) function to go to
termios_get_config(handle, key, buf, len) in termiostty.c

Any ideas how I can make this happen?  Any help would be greatly
appreciated.


Thanks - Tom (tom.rychener@iitele.com)



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