static int
setctl(Serialport *p)
{
int res;
Serial *ser;
ser = p->s;
if(ser->dev->usb->vid == FTVid && ser->dev->usb->did == FTHETIRA1Did) {
fprint(2, "serial: cannot set lines for this device\n");
updatectlst(p, CtlRTS|CtlDTR);
p->rts = p->dtr = 1;
return -1;
}
/* NB: you can not set DTR and RTS with one control message */
updatectlst(p, CtlRTS);
res = setctlline(p, (CtlRTS<<8)|p->ctlstate);
if(res < 0)
return res;
updatectlst(p, CtlDTR);
res = setctlline(p, (CtlDTR<<8)|p->ctlstate);
if(res < 0)
return res;
return 0;
}
static int
plsendlines(Serialport *p)
{
int res;
dsprint(2, "serial: sendlines: %#2.2x\n", p->ctlstate);
composectl(p);
res = setctlline(p, p->ctlstate);
dsprint(2, "serial: sendlines res: %d\n", res);
return 0;
}
