/* Update the timer display. This can also be called from updown.c */
void timer_update(void)
{
static time_t t1, start;
int dcd_support = P_HASDCD[0] == 'Y';
/* See if we're online. */
if ((!dcd_support && bogus_dcd)
|| (dcd_support && m_getdcd(portfd) == 1)) {
/* We are online at the moment. */
if (online < 0) {
/* This was a transition from off to online */
time(&start);
t1 = start;
online = 0;
#ifdef _DCDFLOW
/* DCD has gotten high, we can turn on hw flow control */
if (P_HASRTS[0] == 'Y')
m_sethwf(portfd, 1);
#endif
}
} else {
/* We are offline at the moment. */
#ifdef _DCDFLOW
if (online >= 0) {
/* DCD has dropped, turn off hw flow control. */
m_sethwf(portfd, 0);
}
#endif
if (online >= 0 && old_online >= 0) {
/* First update the timer for call duration.. */
time(&t1);
online = t1 - start;
}
/* ..and THEN notify that we are now offline */
online = -1;
}
/* Update online time */
if (online >= 0) {
time(&t1);
online = t1 - start;
}
update_status_time();
}
/*
* Set baudrate, parity and number of bits.
*/
void m_setparms(int fd, int baudr, char *par, int bit, int stopb,
int hwf, int swf)
{
int spd = -1;
struct termios tty;
tcgetattr(fd, &tty);
switch (baudr) {
case 9600: spd = B9600; break;
case 19200: spd = B19200; break;
case 38400: spd = B38400; break;
default: spd = B9600; break;
}
if (spd != -1) {
cfsetospeed(&tty, (speed_t)spd);
cfsetispeed(&tty, (speed_t)spd);
}
switch (bit) {
case 5:
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS5;
break;
case 6:
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS6;
break;
case 7:
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS7;
break;
case 8:
default:
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS8;
break;
}
/* Set into raw, no echo mode */
tty.c_iflag = IGNBRK;
tty.c_lflag = 0;
tty.c_oflag = 0;
tty.c_cflag |= CLOCAL | CREAD;
//#ifdef _DCDFLOW
// tty.c_cflag &= ~CRTSCTS;
//#endif
tty.c_cc[VMIN] = 1;
tty.c_cc[VTIME] = 5;
if (swf)
tty.c_iflag |= IXON | IXOFF;
else
tty.c_iflag &= ~(IXON|IXOFF|IXANY);
tty.c_cflag &= ~(PARENB | PARODD);
if (par[0] == 1) //输入和输出是奇校验
tty.c_cflag |= (PARENB | PARODD);
else if (par[0] == 2)//输入和输出是偶校验
tty.c_cflag |= PARENB;
if (stopb == 2)
tty.c_cflag |= CSTOPB;
else
tty.c_cflag &= ~CSTOPB;
tcsetattr(fd, TCSANOW, &tty);
//m_setrts(fd);
m_sethwf(fd, hwf);
}
