FT12LowLevelDriver::FT12LowLevelDriver (const char *dev, Trace * tr)
{
struct termios t1;
t = tr;
pth_sem_init (&in_signal);
pth_sem_init (&out_signal);
pth_sem_init (&send_empty);
pth_sem_set_value (&send_empty, 1);
getwait = pth_event (PTH_EVENT_SEM, &out_signal);
TRACEPRINTF (t, 1, this, "Open");
fd = open (dev, O_RDWR | O_NOCTTY | O_NDELAY | O_SYNC);
if (fd == -1)
return;
set_low_latency (fd, &sold);
close (fd);
fd = open (dev, O_RDWR | O_NOCTTY);
if (fd == -1)
return;
if (tcgetattr (fd, &old))
{
restore_low_latency (fd, &sold);
close (fd);
fd = -1;
return;
}
if (tcgetattr (fd, &t1))
{
restore_low_latency (fd, &sold);
close (fd);
fd = -1;
return;
}
t1.c_cflag = CS8 | PARENB | CLOCAL | CREAD;
t1.c_iflag = IGNBRK | INPCK | ISIG;
t1.c_oflag = 0;
t1.c_lflag = 0;
t1.c_cc[VTIME] = 1;
t1.c_cc[VMIN] = 0;
cfsetospeed (&t1, B19200);
cfsetispeed (&t1, 0);
if (tcsetattr (fd, TCSAFLUSH, &t1))
{
restore_low_latency (fd, &sold);
close (fd);
fd = -1;
return;
}
sendflag = 0;
recvflag = 0;
repeatcount = 0;
mode = 0;
Start ();
TRACEPRINTF (t, 1, this, "Opened");
}
BCU1SerialLowLevelDriver::BCU1SerialLowLevelDriver (const char *dev,
Trace * tr)
{
struct termios ti;
t = tr;
pth_sem_init (&in_signal);
pth_sem_init (&out_signal);
pth_sem_init (&send_empty);
pth_sem_set_value (&send_empty, 1);
getwait = pth_event (PTH_EVENT_SEM, &out_signal);
TRACEPRINTF (t, 1, this, "Open");
fd = open (dev, O_RDWR | O_NOCTTY | O_NDELAY | O_SYNC);
if (fd == -1)
return;
set_low_latency (fd, &sold);
close (fd);
fd = open (dev, O_RDWR | O_NOCTTY | O_NDELAY | O_SYNC);
if (fd == -1)
return;
if (tcgetattr (fd, &told))
{
restore_low_latency (fd, &sold);
close (fd);
fd = -1;
return;
}
if (tcgetattr (fd, &ti))
{
restore_low_latency (fd, &sold);
close (fd);
fd = -1;
return;
}
ti.c_cflag = CS8 | CLOCAL | CREAD;
ti.c_iflag = IGNBRK | INPCK | ISIG;
ti.c_oflag = 0;
ti.c_lflag = 0;
ti.c_cc[VTIME] = 1;
ti.c_cc[VMIN] = 0;
cfsetospeed (&ti, B9600);
cfsetispeed (&ti, 0);
if (tcsetattr (fd, TCSAFLUSH, &ti))
{
restore_low_latency (fd, &sold);
close (fd);
fd = -1;
return;
}
setstat (getstat () & ~(TIOCM_RTS | TIOCM_CTS));
while ((getstat () & TIOCM_CTS));
Start ();
TRACEPRINTF (t, 1, this, "Opened");
}