[Bug 3002] problems writting to serial ports on 2005-05-24 release
Wine Bugs
wine-bugs at winehq.org
Sat Jun 11 18:30:48 CDT 2005
http://bugs.winehq.org/show_bug.cgi?id=3002
------- Additional Comments From dclark at akamail.com 2005-11-06 18:30 -------
Just to verify that I am looking at the same thing, with an old version of Wine,
I get the application, a splash screen, and then a large dialog entitled
"Attempting to contact target...", with lots of available settings. With a newer
version of Wine, I get to the splash screen, but never get the dialog. This is
with my Wine "Version" set to win2k (my default).
To apply a patch, use a command like:
patch -p0 < patch.diff
To reverse a patch:
patch -p0 -R < patch.diff
The "-p0" can differ depending on how the patch was formed. For example, the
patches in CVS generally require "-p1" instead of "-p0". Read the patch man page
to understand what that is doing.
What is it you want to know about serial ports in Linux? Here is some simple C
code for accessing the serial port:
main(int argc, char *argv[])
{
char *ttyname="/dev/ttyS1";
int fd, i;
struct termios options;
unsigned char cdata[30], *cdata_p;
fd = open(ttyname, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1) {
sprintf(cdata, "Unable to open %s", ttyname);
perror(cdata);
return;
}
fcntl(fd, F_SETFL, FNDELAY);
/*
* Set to dumb RAW mode with no echo and no character interpretation.
*/
tcgetattr(fd, &options);
cfsetispeed(&options, B19200);
cfsetospeed(&options, B19200);
options.c_cflag &= ~PARENB; /* no parity */
options.c_cflag &= ~CSTOPB; /* a '1' causes 2 stop bits */
options.c_cflag &= ~CSIZE; /* Mask the character size bits */
options.c_cflag |= CS8|CREAD|CLOCAL;
options.c_iflag &= ~(IXON | IXOFF | IXANY); /* no software flow control */
options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); /* raw input */
options.c_oflag &= ~OPOST; /* raw output */
tcsetattr(fd, TCSANOW, &options);
sprintf(cdata, "mwr f000000c 0\r");
i = write(fd, cdata, strlen(cdata));
...
Be careful about checking whether all the data was read/written during a call;
that is, check and act on the returned value "i".
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