void upsdrv_initups(void)
{
char *version;
version = getval("protocol");
upsfd = ser_open(device_path);
ser_set_rts(upsfd, 0);
/*
* Try to autodetect which UPS is connected.
*/
for (mode = 0; subdriver[mode] != NULL; mode++) {
if ((version != NULL) && strcasecmp(version, subdriver[mode]->version)) {
continue;
}
ser_set_dtr(upsfd, 1);
usleep(10000);
if (subdriver[mode]->initups() > 0) {
upslogx(LOG_INFO, "CyberPower UPS with %s protocol on %s detected", subdriver[mode]->version, device_path);
return;
}
ser_set_dtr(upsfd, 0);
usleep(10000);
}
fatalx(EXIT_FAILURE, "CyberPower UPS not found on %s", device_path);
}
void upsdrv_cleanup(void)
{
#ifndef TESTING
ser_set_dtr(upsfd, 0);
ser_close(upsfd, device_path);
#endif
}
void upsdrv_initups(void)
{
upsfd = ser_open(device_path);
ser_set_speed(upsfd, device_path, B19200);
/* dtr and rts setting */
ser_set_dtr(upsfd, 1);
ser_set_rts(upsfd, 0);
}
int upsdrv_initups(void)
{
struct termios tio;
const char *val;
upsfd = ser_open(device_path);
ser_set_speed(upsfd, device_path, B1200);
if (tcgetattr(upsfd, &tio)) {
fatal_with_errno(EXIT_FAILURE, "tcgetattr");
}
/*
* Use canonical mode input processing (to read reply line)
*/
tio.c_lflag |= ICANON; /* Canonical input (erase and kill processing) */
tio.c_iflag |= IGNCR; /* Ignore CR */
tio.c_iflag |= IGNBRK; /* Ignore break condition */
tio.c_oflag |= ONLCR; /* Map NL to CR-NL on output */
tio.c_cc[VEOF] = _POSIX_VDISABLE;
tio.c_cc[VEOL] = _POSIX_VDISABLE;
tio.c_cc[VERASE] = _POSIX_VDISABLE;
tio.c_cc[VINTR] = _POSIX_VDISABLE;
tio.c_cc[VKILL] = _POSIX_VDISABLE;
tio.c_cc[VQUIT] = _POSIX_VDISABLE;
tio.c_cc[VSUSP] = _POSIX_VDISABLE;
tio.c_cc[VSTART] = _POSIX_VDISABLE;
tio.c_cc[VSTOP] = _POSIX_VDISABLE;
if (tcsetattr(upsfd, TCSANOW, &tio)) {
fatal_with_errno(EXIT_FAILURE, "tcsetattr");
}
/*
* Set DTR and clear RTS to provide power for the serial interface.
*/
ser_set_dtr(upsfd, 1);
ser_set_rts(upsfd, 0);
val = dstate_getinfo("battery.voltage.nominal");
battery.voltage.nom = (val) ? strtod(val, NULL) : 12.00;
val = dstate_getinfo("battery.voltage.low");
battery.voltage.low = (val) ? strtod(val, NULL) : 10.80;
if (battery.voltage.nom <= battery.voltage.low) {
fatalx(EXIT_FAILURE, "Nominal battery voltage must be higher than low battery voltage!");
}
return 1;
}
void upsdrv_initups(void)
{
#ifndef TESTING
const struct {
const char *val;
const int dtr;
const int rts;
} cablepower[] = {
{ "normal", 1, 0 }, /* default */
{ "reverse", 0, 1 },
{ "both", 1, 1 },
{ "none", 0, 0 },
{ NULL }
};
int i;
const char *val;
struct termios tio;
/*
* Open and lock the serial port and set the speed to 2400 baud.
*/
upsfd = ser_open(device_path);
ser_set_speed(upsfd, device_path, B2400);
if (tcgetattr(upsfd, &tio)) {
fatal_with_errno(EXIT_FAILURE, "tcgetattr");
}
/*
* Use canonical mode input processing (to read reply line)
*/
tio.c_lflag |= ICANON; /* Canonical input (erase and kill processing) */
tio.c_cc[VEOF] = _POSIX_VDISABLE;
tio.c_cc[VEOL] = '\r';
tio.c_cc[VERASE] = _POSIX_VDISABLE;
tio.c_cc[VINTR] = _POSIX_VDISABLE;
tio.c_cc[VKILL] = _POSIX_VDISABLE;
tio.c_cc[VQUIT] = _POSIX_VDISABLE;
tio.c_cc[VSUSP] = _POSIX_VDISABLE;
tio.c_cc[VSTART] = _POSIX_VDISABLE;
tio.c_cc[VSTOP] = _POSIX_VDISABLE;
if (tcsetattr(upsfd, TCSANOW, &tio)) {
fatal_with_errno(EXIT_FAILURE, "tcsetattr");
}
val = getval("cablepower");
for (i = 0; val && cablepower[i].val; i++) {
if (!strcasecmp(val, cablepower[i].val)) {
break;
}
}
if (!cablepower[i].val) {
fatalx(EXIT_FAILURE, "Value '%s' not valid for 'cablepower'", val);
}
ser_set_dtr(upsfd, cablepower[i].dtr);
ser_set_rts(upsfd, cablepower[i].rts);
/*
* Allow some time to settle for the cablepower
*/
usleep(100000);
#endif
blazer_initups();
}
/* set DTR and RTS lines on a serial port to supply a passive
* serial interface: DTR to 0 (-V), RTS to 1 (+V)
*/
static void dtr0rts1 (void)
{
ser_set_dtr(upsfd, 0);
ser_set_rts(upsfd, 1);
upsdebugx(2, "DTR => 0, RTS => 1");
}
void upsdrv_cleanup(void)
{
ser_set_dtr(upsfd, 0);
ser_close(upsfd, device_path);
}
