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cat.c
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cat.c
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#include <stdio.h>
#include <math.h>
#include <string.h>
#include "d1cons.h"
#include "d1proto.h"
#include "d1typ.h"
#include "d1glob.h"
int catfile(void)
{
FILE *file1;
char buf[256], decsign[80];
double rah, ram, rass, decd, decm, decss, glat, glon;
int i;
int yr, dy, hr, mn, sc;
d1.nsou = 0;
d1.track = 0;
d1.newday = 1;
d1.unitid = 0;
d1.record_spec = 0;
d1.noisecal = 300.0;
if ((file1 = fopen(d1.catnam, "r")) == NULL) {
printf(" Unable to open %s\n", d1.catnam);
return 0;
}
while (fgets(buf, 256, file1) != 0) {
if (buf[0] != '*' && buf[0] != '#') {
if (kmatch(buf, "STATION ")) // space forces exact match
{
sscanf(buf, "%*s %lf %lf %24s %lf", &d1.lat, &d1.lon, d1.statnam, &d1.hgt);
d1.lat = d1.lat * PI / 180.0;
d1.lon = d1.lon * PI / 180.0;
}
if (kmatch(buf, "AZLIMITS "))
sscanf(buf, "%*s %lf %lf", &d1.azlim1, &d1.azlim2);
if (kmatch(buf, "ELLIMITS "))
sscanf(buf, "%*s %lf %lf", &d1.ellim1, &d1.ellim2);
if (kmatch(buf, "STOWPOS ")) {
sscanf(buf, "%*s %lf %lf", &d1.stowaz, &d1.stowel);
d1.stowatlim = 0;
}
if (kmatch(buf, "NOISECAL "))
sscanf(buf, "%*s %lf", &d1.noisecal);
if (kmatch(buf, "TCAL "))
sscanf(buf, "%*s %lf", &d1.tcal);
if (kmatch(buf, "CALMODE "))
sscanf(buf, "%*s %d", &d1.calmode); // 0-normal
if (kmatch(buf, "SIMULATE")) {
if (strstr(buf, "ANTENNA"))
d1.azelsim = 1;
if (strstr(buf, "RECEIVER"))
d1.radiosim = 1;
if (strstr(buf, "FFT"))
d1.fftsim = 1;
}
if (kmatch(buf, "MAINTENANCE"))
d1.mainten = 1;
if (kmatch(buf, "RMSCALC"))
d1.rms = 0;
if (kmatch(buf, "PLOTSEC "))
sscanf(buf, "%*s %d", &d1.plotsec);
if (kmatch(buf, "NBSW "))
sscanf(buf, "%*s %d", &d1.nbsw);
if (kmatch(buf, "NOCLEARINT "))
d1.noclearint = 1;
if (kmatch(buf, "NBLOCK "))
sscanf(buf, "%*s %d", &d1.nblk);
if (kmatch(buf, "NUMPOLY "))
sscanf(buf, "%*s %d", &d1.npoly);
if (kmatch(buf, "BEAMWIDTH "))
sscanf(buf, "%*s %lf", &d1.beamw);
if (kmatch(buf, "TOLERANCE "))
sscanf(buf, "%*s %d", &d1.ptoler);
if (kmatch(buf, "CASSIMOUNT")) {
d1.rod = 1;
d1.azcounts_per_deg = 8.0 * 32.0 * 60.0 / (360.0 * 9.0);
sscanf(buf, "%*s %lf %lf %lf %lf %lf", &d1.rod1, &d1.rod2, &d1.rod3, &d1.rod4, &d1.rod5);
}
if (kmatch(buf, "H180MOUNT")) {
d1.rod = 0;
d1.azcounts_per_deg = (52.0 * 27.0 / 120.0); // for H-180
d1.elcounts_per_deg = (52.0 * 27.0 / 120.0); // for H-180
}
if (kmatch(buf, "ALFASPID")) {
d1.rod = 0;
d1.azcounts_per_deg = 1.0; // for SPID
d1.elcounts_per_deg = 1.0; // for SPID
}
if (kmatch(buf, "AZCOUNTS "))
sscanf(buf, "%*s %lf", &d1.azcounts_per_deg);
if (kmatch(buf, "ELCOUNTS ")) {
sscanf(buf, "%*s %lf", &d1.elcounts_per_deg);
d1.rod = 0;
}
if (kmatch(buf, "AZELPORT "))
sscanf(buf, "%*s %x", &d1.azelport);
if (kmatch(buf, "COMMAND")) {
d1.cmdfl = 1;
d1.cmdfline = 0;
d1.secstop = d1.secs + 4; // time to get to stow
if (strstr(buf, "COMMAND "))
sscanf(buf, "%*s %255s", d1.cmdfnam);
}
if (kmatch(buf, "TSYS "))
sscanf(buf, "%*s %lf", &d1.tsys);
if (kmatch(buf, "FREQUENCY "))
sscanf(buf, "%*s %lf", &d1.freq);
if (kmatch(buf, "RESTFREQ "))
sscanf(buf, "%*s %lf", &d1.restfreq);
if (kmatch(buf, "FREQCORR ")) // frequency correction for dongle in MHz
sscanf(buf, "%*s %lf", &d1.freqcorr);
if (kmatch(buf, "BANDWIDTH ")) {
sscanf(buf, "%*s %lf", &d1.fbw);
}
if (kmatch(buf, "NUMFREQ ")) {
sscanf(buf, "%*s %d", &d1.nfreq);
if (d1.nfreq > NSPEC || d1.nfreq < 1)
d1.nfreq = NSPEC;
}
if (kmatch(buf, "DATADIR")) {
d1.datadir[0] = 0;
if (strstr(buf, "DATADIR "))
sscanf(buf, "%*s %255s", d1.datadir);
}
if (kmatch(buf, "COUNTPERSTEP "))
sscanf(buf, "%*s %d", &d1.countperstep);
if (kmatch(buf, "RECORD")) {
sscanf(buf, "%*s %d", &d1.record_int_sec);
if (strstr(buf, "SPEC"))
d1.record_spec = 1;
if (strstr(buf, "RCLR"))
d1.record_clearint = 1; // clears integration each output
}
if (kmatch(buf, "NODISPLAY")) {
d1.displ = 0;
}
if (kmatch(buf, "NOPRINTOUT"))
d1.printout = 0;
if (kmatch(buf, "DEBUG"))
d1.debug = 1;
if (kmatch(buf, "SPEED_UP "))
sscanf(buf, "%*s %d", &d1.speed_up);
if (kmatch(buf, "START_DATE ")) {
sscanf(buf, "%*s %d:%d:%d:%d:%d", &yr, &dy, &hr, &mn, &sc);
d1.start_sec = tosecs(yr, dy, hr, mn, sc);
}
if (kmatch(buf, "SOU ")) {
epoc[d1.nsou] = 2000.0; // default
sscanf(buf, "%*s %lf %lf %lf %lf %lf %lf %24s %lf", &rah, &ram,
&rass, &decd, &decm, &decss, sounam[d1.nsou], &epoc[d1.nsou]);
ras[d1.nsou] = (rah + ram / 60.0 + rass / 3600.0) * TWOPI / 24.0;
decs[d1.nsou] = (fabs(decd) + decm / 60.0 + decss / 3600.0) * TWOPI / 360.0;
sscanf(buf, "%*s %*s %*s %*s %79s", decsign);
if (strstr(decsign, "-"))
decs[d1.nsou] = -decs[d1.nsou];
soutype[d1.nsou] = 0;
if (d1.nsou < NSOU)
d1.nsou++;
}
if (kmatch(buf, "GALACTIC ")) {
epoc[d1.nsou] = 2000.0;
sscanf(buf, "%*s %lf %lf %24s", &glon, &glat, sounam[d1.nsou]);
GalactictoRadec(glat, glon, &ras[d1.nsou], &decs[d1.nsou]);
soutype[d1.nsou] = 0;
if (d1.nsou < NSOU)
d1.nsou++;
}
if (kmatch(buf, "AZEL ")) {
sscanf(buf, "%*s %lf %lf %24s", &ras[d1.nsou], &decs[d1.nsou], sounam[d1.nsou]);
soutype[d1.nsou] = 1;
if (d1.nsou < NSOU)
d1.nsou++;
}
if (kmatch(buf, "RFISIGMA ")) { // level at which to report RFI default = 6
sscanf(buf, "%*s %lf", &d1.rfisigma);
}
if (kmatch(buf, "RFI ")) {
d1.rfiwid[d1.nrfi] = 0;
sscanf(buf, "%*s %lf %lf", &d1.rfi[d1.nrfi], &d1.rfiwid[d1.nrfi]);
if (d1.nrfi < NRFI)
d1.nrfi++;
}
}
}
for (i = 0; i < d1.nsou; i++) {
sprintf(sounam[i], "%s", strncat(sounam[i], " ", 1));
}
fclose(file1);
return 1;
}
char *kmatch(char *buf, char *ct)
// requires keyword to be at start of line
{
int i;
char *p, *q;
i = 0;
p = 0;
while ((unsigned) i <= strlen(buf) && !p) {
if (buf[i] != ' ')
p = &buf[i];
i++;
}
q = strstr(buf, ct);
if (q == p)
return p;
else
return 0;
}