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USB-to-serial device (Samuel Thibault).

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3914 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-01-14 03:41:02 +00:00
parent fd56059fb6
commit a795421883
4 changed files with 570 additions and 28 deletions
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44
vl.c
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@ -2240,45 +2240,33 @@ static void tty_serial_init(int fd, int speed,
#endif
tcgetattr (fd, &tty);
switch(speed) {
case 50:
#define MARGIN 1.1
if (speed <= 50 * MARGIN)
spd = B50;
break;
case 75:
else if (speed <= 75 * MARGIN)
spd = B75;
break;
case 300:
else if (speed <= 300 * MARGIN)
spd = B300;
break;
case 600:
else if (speed <= 600 * MARGIN)
spd = B600;
break;
case 1200:
else if (speed <= 1200 * MARGIN)
spd = B1200;
break;
case 2400:
else if (speed <= 2400 * MARGIN)
spd = B2400;
break;
case 4800:
else if (speed <= 4800 * MARGIN)
spd = B4800;
break;
case 9600:
else if (speed <= 9600 * MARGIN)
spd = B9600;
break;
case 19200:
else if (speed <= 19200 * MARGIN)
spd = B19200;
break;
case 38400:
else if (speed <= 38400 * MARGIN)
spd = B38400;
break;
case 57600:
else if (speed <= 57600 * MARGIN)
spd = B57600;
break;
default:
case 115200:
else if (speed <= 115200 * MARGIN)
spd = B115200;
else
spd = B115200;
break;
}
cfsetispeed(&tty, spd);
cfsetospeed(&tty, spd);
@ -5223,6 +5211,8 @@ static int usb_device_add(const char *devname)
dev = usb_msd_init(p);
} else if (!strcmp(devname, "wacom-tablet")) {
dev = usb_wacom_init();
} else if (strstart(devname, "serial:", &p)) {
dev = usb_serial_init(p);
} else {
return -1;
}