/*! \fn double ln_get_julian_local_date(struct ln_zonedate* zonedate)
* \param zonedate Local date
* \return Julian day (UT)
*
* Calculate Julian day (UT) from zone date
*/
double ln_get_julian_local_date(struct ln_zonedate* zonedate)
{
struct ln_date date;
ln_zonedate_to_date (zonedate, &date);
return ln_get_julian_day (&date);
}
bool SynscanDriver::sendTime()
{
LOG_DEBUG("Reading mount time...");
if (isSimulation())
{
char timeString[MAXINDINAME] = {0};
time_t now = time (nullptr);
strftime(timeString, MAXINDINAME, "%T", gmtime(&now));
IUSaveText(&TimeT[0], "3");
IUSaveText(&TimeT[1], timeString);
TimeTP.s = IPS_OK;
IDSetText(&TimeTP, nullptr);
return true;
}
char res[SYN_RES] = {0};
if (sendCommand("h", res))
{
ln_zonedate localTime;
ln_date utcTime;
int offset, daylightflag;
localTime.hours = res[0];
localTime.minutes = res[1];
localTime.seconds = res[2];
localTime.months = res[3];
localTime.days = res[4];
localTime.years = res[5];
offset = static_cast<int>(res[6]);
// Negative GMT offset is read. It needs special treatment
if (offset > 200)
offset -= 256;
localTime.gmtoff = offset;
// this is the daylight savings flag in the hand controller, needed if we did not set the time
daylightflag = res[7];
localTime.years += 2000;
localTime.gmtoff *= 3600;
// now convert to utc
ln_zonedate_to_date(&localTime, &utcTime);
// now we have time from the hand controller, we need to set some variables
int sec;
char utc[100];
char ofs[10];
sec = static_cast<int>(utcTime.seconds);
sprintf(utc, "%04d-%02d-%dT%d:%02d:%02d", utcTime.years, utcTime.months, utcTime.days, utcTime.hours,
utcTime.minutes, sec);
if (daylightflag == 1)
offset = offset + 1;
sprintf(ofs, "%d", offset);
IUSaveText(&TimeT[0], utc);
IUSaveText(&TimeT[1], ofs);
TimeTP.s = IPS_OK;
IDSetText(&TimeTP, nullptr);
LOGF_INFO("Mount UTC Time %s Offset %d", utc, offset);
return true;
}
return false;
}
bool get_ieqpro_utc_date_time(int fd, double *utc_hours, int *yy, int *mm, int *dd, int *hh, int *minute, int *ss)
{
char cmd[] = ":GLT#";
int errcode = 0;
char errmsg[MAXRBUF];
char response[32];
int nbytes_read=0;
int nbytes_written=0;
DEBUGFDEVICE(ieqpro_device, INDI::Logger::DBG_DEBUG, "CMD (%s)", cmd);
if (ieqpro_simulation)
{
strncpy(response, "+180150331173000#" , 32);
nbytes_read = strlen(response);
}
else
{
if ( (errcode = tty_write(fd, cmd, strlen(cmd), &nbytes_written)) != TTY_OK)
{
tty_error_msg(errcode, errmsg, MAXRBUF);
DEBUGFDEVICE(ieqpro_device, INDI::Logger::DBG_ERROR, "%s", errmsg);
return false;
}
if ( (errcode = tty_read_section(fd, response, '#', IEQPRO_TIMEOUT, &nbytes_read)))
{
tty_error_msg(errcode, errmsg, MAXRBUF);
DEBUGFDEVICE(ieqpro_device, INDI::Logger::DBG_ERROR, "%s", errmsg);
return false;
}
}
if (nbytes_read > 0)
{
tcflush(fd, TCIFLUSH);
response[nbytes_read] = '\0';
DEBUGFDEVICE(ieqpro_device, INDI::Logger::DBG_DEBUG, "RES (%s)", response);
char utc_str[4], yy_str[2], mm_str[2], dd_str[2], hh_str[2], minute_str[2], ss_str[2];
strncpy(utc_str, response, 4);
strncpy(yy_str, response+4, 2);
strncpy(mm_str, response+6, 2);
strncpy(dd_str, response+8, 2);
strncpy(hh_str, response+10, 2);
strncpy(minute_str, response+12, 2);
strncpy(ss_str, response+14, 2);
*utc_hours = atoi(utc_str) / 60.0;
*yy = atoi(yy_str) + 2000;
*mm = atoi(mm_str);
*dd = atoi(dd_str);
*hh = atoi(hh_str);
*minute = atoi(minute_str);
*ss = atoi(ss_str);
ln_zonedate localTime;
ln_date utcTime;
localTime.years = *yy;
localTime.months = *mm;
localTime.days = *dd;
localTime.hours = *hh;
localTime.minutes = *minute;
localTime.seconds = *ss;
localTime.gmtoff = *utc_hours * 3600;
ln_zonedate_to_date(&localTime, &utcTime);
*yy = utcTime.years;
*mm = utcTime.months;
*dd = utcTime.days;
*hh = utcTime.hours;
*minute = utcTime.minutes;
*ss = utcTime.seconds;
return true;
}
DEBUGFDEVICE(ieqpro_device, INDI::Logger::DBG_ERROR, "Only received #%d bytes, expected 1.", nbytes_read);
return false;
}