int xf86OpenSerial (pointer options)
{
APIRET rc;
HFILE fd, i;
ULONG action;
GLINECTL linectl;
char* dev = xf86FindOptionValue (options, "Device");
xf86MarkOptionUsedByName (options, "Device");
if (!dev) {
xf86Msg (X_ERROR, "xf86OpenSerial: No Device specified.\n");
return -1;
}
rc = DosOpen(dev, &fd, &action, 0, FILE_NORMAL, FILE_OPEN,
OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE, NULL);
if (rc) {
xf86Msg (X_ERROR,
"xf86OpenSerial: Cannot open device %s, rc=%d.\n",
dev, rc);
return -1;
}
/* check whether it is an async device */
if (_get_linectrl(fd,&linectl)) {
xf86Msg (X_WARNING,
"xf86OpenSerial: Specified device %s is not a tty\n",
dev);
DosClose(fd);
return -1;
}
/* set up default port parameters */
_set_baudrate(fd, 9600);
linectl.databits = 8;
linectl.parity = 0;
linectl.stopbits = 0;
_set_linectl(fd, &linectl);
if (xf86SetSerial (fd, options) == -1) {
DosClose(fd);
return -1;
}
return fd;
}
int
xf86SetSerial(int fd, XF86OptionPtr options)
{
struct termios t;
int val;
const char *s;
int baud, r;
if (fd < 0)
return -1;
/* Don't try to set parameters for non-tty devices. */
if (!isatty(fd))
return 0;
SYSCALL(tcgetattr(fd, &t));
if ((val = xf86SetIntOption(options, "BaudRate", 0))) {
if ((baud = GetBaud(val))) {
cfsetispeed(&t, baud);
cfsetospeed(&t, baud);
}
else {
xf86Msg(X_ERROR, "Invalid Option BaudRate value: %d\n", val);
return -1;
}
}
if ((val = xf86SetIntOption(options, "StopBits", 0))) {
switch (val) {
case 1:
t.c_cflag &= ~(CSTOPB);
break;
case 2:
t.c_cflag |= CSTOPB;
break;
default:
xf86Msg(X_ERROR, "Invalid Option StopBits value: %d\n", val);
return -1;
break;
}
}
if ((val = xf86SetIntOption(options, "DataBits", 0))) {
switch (val) {
case 5:
t.c_cflag &= ~(CSIZE);
t.c_cflag |= CS5;
break;
case 6:
t.c_cflag &= ~(CSIZE);
t.c_cflag |= CS6;
break;
case 7:
t.c_cflag &= ~(CSIZE);
t.c_cflag |= CS7;
break;
case 8:
t.c_cflag &= ~(CSIZE);
t.c_cflag |= CS8;
break;
default:
xf86Msg(X_ERROR, "Invalid Option DataBits value: %d\n", val);
return -1;
break;
}
}
if ((s = xf86SetStrOption(options, "Parity", NULL))) {
if (xf86NameCmp(s, "Odd") == 0) {
t.c_cflag |= PARENB | PARODD;
}
else if (xf86NameCmp(s, "Even") == 0) {
t.c_cflag |= PARENB;
t.c_cflag &= ~(PARODD);
}
else if (xf86NameCmp(s, "None") == 0) {
t.c_cflag &= ~(PARENB);
}
else {
xf86Msg(X_ERROR, "Invalid Option Parity value: %s\n", s);
return -1;
}
}
if ((val = xf86SetIntOption(options, "Vmin", -1)) != -1) {
t.c_cc[VMIN] = val;
}
if ((val = xf86SetIntOption(options, "Vtime", -1)) != -1) {
t.c_cc[VTIME] = val;
}
if ((s = xf86SetStrOption(options, "FlowControl", NULL))) {
xf86MarkOptionUsedByName(options, "FlowControl");
if (xf86NameCmp(s, "Xoff") == 0) {
t.c_iflag |= IXOFF;
}
else if (xf86NameCmp(s, "Xon") == 0) {
t.c_iflag |= IXON;
}
else if (xf86NameCmp(s, "XonXoff") == 0) {
t.c_iflag |= IXON | IXOFF;
}
else if (xf86NameCmp(s, "None") == 0) {
t.c_iflag &= ~(IXON | IXOFF);
}
else {
xf86Msg(X_ERROR, "Invalid Option FlowControl value: %s\n", s);
return -1;
}
}
if ((xf86SetBoolOption(options, "ClearDTR", FALSE))) {
#ifdef CLEARDTR_SUPPORT
#if defined(TIOCMBIC)
val = TIOCM_DTR;
SYSCALL(ioctl(fd, TIOCMBIC, &val));
#else
SYSCALL(ioctl(fd, TIOCCDTR, NULL));
#endif
#else
xf86Msg(X_WARNING, "Option ClearDTR not supported on this OS\n");
return -1;
#endif
xf86MarkOptionUsedByName(options, "ClearDTR");
}
if ((xf86SetBoolOption(options, "ClearRTS", FALSE))) {
xf86Msg(X_WARNING, "Option ClearRTS not supported on this OS\n");
return -1;
xf86MarkOptionUsedByName(options, "ClearRTS");
}
SYSCALL(r = tcsetattr(fd, TCSANOW, &t));
return r;
}
int xf86SetSerial (int fd, pointer options)
{
APIRET rc;
USHORT baud;
ULONG plen,dlen;
char *s;
GLINECTL linectl;
DCBINFO dcb;
if ((s = xf86FindOptionValue (options, "BaudRate"))) {
xf86MarkOptionUsedByName (options, "BaudRate");
if ((rc = _set_baudrate(fd, atoi(s)))) {
xf86Msg (X_ERROR,"Set Baudrate: %s, rc=%d\n", s, rc);
return -1;
}
}
/* get line parameters */
if (DosDevIOCtl((HFILE)fd,IOCTL_ASYNC, ASYNC_GETLINECTRL,
NULL,0,NULL,
(PULONG)&linectl,sizeof(GLINECTL),&dlen)) return -1;
if ((s = xf86FindOptionValue (options, "StopBits"))) {
xf86MarkOptionUsedByName (options, "StopBits");
switch (atoi (s)) {
case 1: linectl.stopbits = 0;
break;
case 2: linectl.stopbits = 2;
break;
default: xf86Msg (X_ERROR,
"Invalid Option StopBits value: %s\n", s);
return -1;
}
}
if ((s = xf86FindOptionValue (options, "DataBits"))) {
int db;
xf86MarkOptionUsedByName (options, "DataBits");
switch (db = atoi (s)) {
case 5: case 6: case 7: case 8:
linectl.databits = db;
break;
default: xf86Msg (X_ERROR,
"Invalid Option DataBits value: %s\n", s);
return -1;
}
}
if ((s = xf86FindOptionValue (options, "Parity"))) {
xf86MarkOptionUsedByName (options, "Parity");
if (xf86NameCmp (s, "Odd") == 0)
linectl.parity = 1; /* odd */
else if (xf86NameCmp (s, "Even") == 0)
linectl.parity = 2; /* even */
else if (xf86NameCmp (s, "None") == 0)
linectl.parity = 0; /* none */
else {
xf86Msg (X_ERROR,
"Invalid Option Parity value: %s\n", s);
return -1;
}
}
/* set line parameters */
if (_set_linectl(fd,&linectl)) return -1;
if (xf86FindOptionValue (options, "Vmin"))
xf86Msg (X_ERROR, "Vmin unsupported on this OS\n");
if (xf86FindOptionValue (options, "Vtime"))
xf86Msg (X_ERROR, "Vtime unsupported on this OS\n");
/* get device parameters */
if (_get_dcb(fd,&dcb)) return -1;
if ((s = xf86FindOptionValue (options, "FlowControl"))) {
xf86MarkOptionUsedByName (options, "FlowControl");
if (xf86NameCmp (s, "XonXoff") == 0)
dcb.fbFlowReplace |= 0x03;
else if (xf86NameCmp (s, "None") == 0)
dcb.fbFlowReplace &= ~0x03;
else {
xf86Msg (X_ERROR,
"Invalid Option FlowControl value: %s\n", s);
return -1;
}
}
if ((s = xf86FindOptionValue (options, "ClearDTR"))) {
dcb.fbCtlHndShake &= ~0x03; /* DTR=0 */
xf86MarkOptionUsedByName (options, "ClearDTR");
}
if ((s = xf86FindOptionValue (options, "ClearRTS"))) {
dcb.fbFlowReplace &= ~0xc0; /* RTS=0 */
xf86MarkOptionUsedByName (options, "ClearRTS");
}
/* set device parameters */
return _set_dcb(fd,&dcb) ? -1 : 0;
}
