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port from libsofa to liberfa

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This commit is contained in:
Edward Emelianov 2023-05-02 16:35:36 +03:00
parent f38e6a1e06
commit f07d63c970
6 changed files with 41 additions and 36 deletions
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2
Daemons/10micron_stellarium/Makefile
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@ -1,5 +1,5 @@
PROGRAM = stellariumdaemon PROGRAM = stellariumdaemon
LDFLAGS = -lsofa_c -pthread LDFLAGS = -lerfa -pthread
SRCS = $(wildcard *.c) SRCS = $(wildcard *.c)
CC = gcc CC = gcc
DEFINES = -D_GNU_SOURCE -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=1111 DEFINES = -D_GNU_SOURCE -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=1111

5
Daemons/10micron_stellarium/Readme
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@ -1 +1,6 @@
Stellarium control of 10-micron mount Stellarium control of 10-micron mount
Special commands in terminal mode:
PAUSE - pause output to port from everywhere except terminal thread
CONTINUE - allow to write to port for everyone

46
Daemons/10micron_stellarium/libsofa.c
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@ -27,18 +27,18 @@ void reprd(char* s, double ra, double dc){
char pm; char pm;
int i[4]; int i[4];
printf ( "%s:", s ); printf ( "%s:", s );
iauA2tf ( 7, ra, &pm, i ); eraA2tf ( 7, ra, &pm, i );
printf ( " %2.2d %2.2d %2.2d.%7.7d", i[0],i[1],i[2],i[3] ); printf ( " %2.2d %2.2d %2.2d.%7.7d", i[0],i[1],i[2],i[3] );
iauA2af ( 6, dc, &pm, i ); eraA2af ( 6, dc, &pm, i );
printf ( " %c%2.2d %2.2d %2.2d.%6.6d\n", pm, i[0],i[1],i[2],i[3] ); printf ( " %c%2.2d %2.2d %2.2d.%6.6d\n", pm, i[0],i[1],i[2],i[3] );
} }
void radtodeg(double r){ void radtodeg(double r){
int i[4]; char pm; int i[4]; char pm;
int rem = (int)(r / D2PI); int rem = (int)(r / ERFA_D2PI);
if(rem) r -= D2PI * rem; if(rem) r -= ERFA_D2PI * rem;
if(r > DPI) r -= D2PI; if(r > ERFA_DPI) r -= ERFA_D2PI;
else if(r < -DPI) r += D2PI; else if(r < -ERFA_DPI) r += ERFA_D2PI;
iauA2af (2, r, &pm, i); eraA2af (2, r, &pm, i);
printf("%c%02d %02d %02d.%2.d", pm, i[0],i[1],i[2],i[3]); printf("%c%02d %02d %02d.%2.d", pm, i[0],i[1],i[2],i[3]);
} }
#define REP(a,b,c) reprd(a,b,c) #define REP(a,b,c) reprd(a,b,c)
@ -98,7 +98,7 @@ almDut *getDUT(){
void r2sHMS(double radians, char *hms, int len){ void r2sHMS(double radians, char *hms, int len){
char pm; char pm;
int i[4]; int i[4];
iauA2tf(2, radians, &pm, i); eraA2tf(2, radians, &pm, i);
snprintf(hms, len, "'%c%02d:%02d:%02d.%02d'", pm, i[0],i[1],i[2],i[3]); snprintf(hms, len, "'%c%02d:%02d:%02d.%02d'", pm, i[0],i[1],i[2],i[3]);
} }
@ -111,7 +111,7 @@ void r2sHMS(double radians, char *hms, int len){
void r2sDMS(double radians, char *dms, int len){ void r2sDMS(double radians, char *dms, int len){
char pm; char pm;
int i[4]; int i[4];
iauA2af(1, radians, &pm, i); eraA2af(1, radians, &pm, i);
snprintf(dms, len, "'%c%02d:%02d:%02d.%d'", pm, i[0],i[1],i[2],i[3]); snprintf(dms, len, "'%c%02d:%02d:%02d.%d'", pm, i[0],i[1],i[2],i[3]);
} }
@ -140,15 +140,15 @@ int get_MJDt(struct timeval *tval, sMJD *MJD){
d = tms.tm_mday; d = tms.tm_mday;
double utc1, utc2; double utc1, utc2;
/* UTC date. */ /* UTC date. */
if(iauDtf2d("UTC", y, m, d, tms.tm_hour, tms.tm_min, tSeconds, &utc1, &utc2) < 0) return -1; if(eraDtf2d("UTC", y, m, d, tms.tm_hour, tms.tm_min, tSeconds, &utc1, &utc2) < 0) return -1;
if(!MJD) return 0; if(!MJD) return 0;
MJD->MJD = utc1 - 2400000.5 + utc2; MJD->MJD = utc1 - 2400000.5 + utc2;
MJD->utc1 = utc1; MJD->utc1 = utc1;
MJD->utc2 = utc2; MJD->utc2 = utc2;
//DBG("UTC(m): %g, %.8f\n", utc1 - 2400000.5, utc2); //DBG("UTC(m): %g, %.8f\n", utc1 - 2400000.5, utc2);
if(iauUtctai(utc1, utc2, &MJD->tai1, &MJD->tai2)) return -1; if(eraUtctai(utc1, utc2, &MJD->tai1, &MJD->tai2)) return -1;
//DBG("TAI"); //DBG("TAI");
if(iauTaitt(MJD->tai1, MJD->tai2, &MJD->tt1, &MJD->tt2)) return -1; if(eraTaitt(MJD->tai1, MJD->tai2, &MJD->tt1, &MJD->tt2)) return -1;
//DBG("TT"); //DBG("TT");
return 0; return 0;
} }
@ -167,16 +167,16 @@ int get_LST(sMJD *mjd, double dUT1, double slong, double *LST){
if(!mjd){ if(!mjd){
if(get_MJDt(NULL, &Mjd)) return 1; if(get_MJDt(NULL, &Mjd)) return 1;
}else memcpy(&Mjd, mjd, sizeof(sMJD)); }else memcpy(&Mjd, mjd, sizeof(sMJD));
if(iauUtcut1(Mjd.utc1, Mjd.utc2, dUT1, &ut11, &ut12)) return 2; if(eraUtcut1(Mjd.utc1, Mjd.utc2, dUT1, &ut11, &ut12)) return 2;
/*double era = iauEra00(ut11, ut12) + slong; /*double era = iauEra00(ut11, ut12) + slong;
double eo = iauEe06a(mjd->tt1, mjd->tt2); double eo = iauEe06a(mjd->tt1, mjd->tt2);
printf("ERA = %s; ", radtohrs(era)); printf("ERA = %s; ", radtohrs(era));
printf("ERA-eo = %s\n", radtohrs(era-eo));*/ printf("ERA-eo = %s\n", radtohrs(era-eo));*/
if(!LST) return 0; if(!LST) return 0;
double ST = iauGst06a(ut11, ut12, Mjd.tt1, Mjd.tt2); double ST = eraGst06a(ut11, ut12, Mjd.tt1, Mjd.tt2);
ST += slong; ST += slong;
if(ST > D2PI) ST -= D2PI; if(ST > ERFA_D2PI) ST -= ERFA_D2PI;
else if(ST < 0.) ST += D2PI; else if(ST < 0.) ST += ERFA_D2PI;
*LST = ST; *LST = ST;
return 0; return 0;
} }
@ -191,7 +191,7 @@ int get_LST(sMJD *mjd, double dUT1, double slong, double *LST){
void hor2eq(horizCrds *h, polarCrds *pc, double sidTime){ void hor2eq(horizCrds *h, polarCrds *pc, double sidTime){
if(!h || !pc) return; if(!h || !pc) return;
placeData *p = getPlace(); placeData *p = getPlace();
iauAe2hd(h->az, DPI/2. - h->zd, p->slat, &pc->ha, &pc->dec); // A,H -> HA,DEC; phi - site latitude eraAe2hd(h->az, ERFA_DPI/2. - h->zd, p->slat, &pc->ha, &pc->dec); // A,H -> HA,DEC; phi - site latitude
pc->ra = sidTime - pc->ha; pc->ra = sidTime - pc->ha;
pc->eo = 0.; pc->eo = 0.;
} }
@ -206,8 +206,8 @@ void eq2horH(polarCrds *pc, horizCrds *h){
if(!h || !pc) return; if(!h || !pc) return;
placeData *p = getPlace(); placeData *p = getPlace();
double alt; double alt;
iauHd2ae(pc->ha, pc->dec, p->slat, &h->az, &alt); eraHd2ae(pc->ha, pc->dec, p->slat, &h->az, &alt);
h->zd = DPI/2. - alt; h->zd = ERFA_DPI/2. - alt;
} }
/** /**
@ -221,8 +221,8 @@ void eq2hor(polarCrds *pc, horizCrds *h, double sidTime){
double ha = sidTime - pc->ra + pc->eo; double ha = sidTime - pc->ra + pc->eo;
placeData *p = getPlace(); placeData *p = getPlace();
double alt; double alt;
iauHd2ae(ha, pc->dec, p->slat, &h->az, &alt); eraHd2ae(ha, pc->dec, p->slat, &h->az, &alt);
h->zd = DPI/2. - alt; h->zd = ERFA_DPI/2. - alt;
} }
@ -256,7 +256,7 @@ int get_ObsPlace(struct timeval *tval, polarCrds *p2000, localWeather *weath, po
p2000->ra, p2000->dec, pr, pd, px, rv, MJD.utc1, MJD.utc2, d.DUT1, p.slong, p.slat, p.salt, p2000->ra, p2000->dec, pr, pd, px, rv, MJD.utc1, MJD.utc2, d.DUT1, p.slong, p.slat, p.salt,
d.px, d.py, p, t, h, wl); d.px, d.py, p, t, h, wl);
*/ */
if(iauAtco13(p2000->ra, p2000->dec, if(eraAtco13(p2000->ra, p2000->dec,
pr, pd, px, rv, pr, pd, px, rv,
MJD.utc1, MJD.utc2, MJD.utc1, MJD.utc2,
dut1.DUT1, dut1.DUT1,
@ -280,7 +280,7 @@ int get_ObsPlace(struct timeval *tval, polarCrds *p2000, localWeather *weath, po
#ifdef EBUG #ifdef EBUG
printf("A(bta)/Z: "); printf("A(bta)/Z: ");
radtodeg(aob); radtodeg(aob);
printf("("); radtodeg(DPI-aob); printf("("); radtodeg(ERFA_DPI-aob);
printf(")/"); radtodeg(zob); printf(")/"); radtodeg(zob);
printf("\n"); printf("\n");
#endif #endif

4
Daemons/10micron_stellarium/libsofa.h
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@ -19,8 +19,8 @@
#ifndef LIBSOFA_H__ #ifndef LIBSOFA_H__
#define LIBSOFA_H__ #define LIBSOFA_H__
#include <sofa.h> #include <erfa.h>
#include <sofam.h> #include <erfam.h>
#include <sys/time.h> #include <sys/time.h>
// JD2451544.5 == 2000.0 // JD2451544.5 == 2000.0

12
Daemons/10micron_stellarium/main.c
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@ -230,7 +230,7 @@ int proc_data(uint8_t *data, ssize_t len){
horizCrds hnow; // without refraction horizCrds hnow; // without refraction
polarCrds p2000, pnow; polarCrds p2000, pnow;
p2000.ra = tagRA/12. * M_PI; p2000.ra = tagRA/12. * M_PI;
p2000.dec = tagDec * DD2R; p2000.dec = tagDec * ERFA_DD2R;
// now J2000 obs Jnow // now J2000 obs Jnow
if(get_ObsPlace(NULL, &p2000, NULL, &pnow, &hnow)){ if(get_ObsPlace(NULL, &p2000, NULL, &pnow, &hnow)){
WARNX("Can't convert coordinates to Jnow"); WARNX("Can't convert coordinates to Jnow");
@ -238,22 +238,22 @@ int proc_data(uint8_t *data, ssize_t len){
} }
#ifdef EBUG #ifdef EBUG
int i[4], j[4]; char pm, pm1; int i[4], j[4]; char pm, pm1;
iauA2af(2, hnow.az, &pm, i); eraA2af(2, hnow.az, &pm, i);
iauA2af(2, hnow.zd, &pm1, j); eraA2af(2, hnow.zd, &pm1, j);
DBG("az: %c%02d %02d %02d.%2.d, zd: %c%02d %02d %02d.%2.d", DBG("az: %c%02d %02d %02d.%2.d, zd: %c%02d %02d %02d.%2.d",
pm, i[0],i[1],i[2],i[3], pm, i[0],i[1],i[2],i[3],
pm1,j[0],j[1],j[2],j[3]); pm1,j[0],j[1],j[2],j[3]);
iauA2af(2, M_PI_2 - hnow.zd, &pm, i); eraA2af(2, M_PI_2 - hnow.zd, &pm, i);
DBG("h: %c%02d %02d %02d.%2.d", pm, i[0],i[1],i[2],i[3]); DBG("h: %c%02d %02d %02d.%2.d", pm, i[0],i[1],i[2],i[3]);
#endif #endif
if(hnow.zd > 80.*DD2R){ if(hnow.zd > 80.*ERFA_DD2R){
WARNX("Z > 80degr, stop telescope"); WARNX("Z > 80degr, stop telescope");
putlog("Z>80 - stop!"); putlog("Z>80 - stop!");
stop_telescope(); stop_telescope();
return 0; return 0;
} }
tagRA = (pnow.ra - pnow.eo) / M_PI * 12.; tagRA = (pnow.ra - pnow.eo) / M_PI * 12.;
tagDec = pnow.dec / DD2R; tagDec = pnow.dec / ERFA_DD2R;
if(!setCoords(tagRA, tagDec)) return 0; if(!setCoords(tagRA, tagDec)) return 0;
return 1; return 1;
} }

8
Daemons/10micron_stellarium/telescope.c
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@ -499,7 +499,7 @@ void wrhdr(){
DBG("Failed"); DBG("Failed");
return; return;
} }
LST *= 15.*DD2R; // convert hours to radians LST *= 15.*ERFA_DD2R; // convert hours to radians
}else{ }else{
lst = MALLOC(char, 32); lst = MALLOC(char, 32);
r2sHMS(LST, lst, 32); r2sHMS(LST, lst, 32);
@ -512,7 +512,7 @@ void wrhdr(){
jd = MALLOC(char, 32); jd = MALLOC(char, 32);
snprintf(jd, 32, "%.10f", mjd.MJD); snprintf(jd, 32, "%.10f", mjd.MJD);
} }
polarCrds pNow = {.ra = r*15.*DD2R, .dec = d*DD2R}; // coordinates now polarCrds pNow = {.ra = r*15.*ERFA_DD2R, .dec = d*ERFA_DD2R}; // coordinates now
horizCrds hNow; horizCrds hNow;
eq2hor(&pNow, &hNow, LST); eq2hor(&pNow, &hNow, LST);
failcounter = 0; failcounter = 0;
@ -569,9 +569,9 @@ void wrhdr(){
WRHDR("RA", val, "Telescope right ascension, current epoch, deg"); WRHDR("RA", val, "Telescope right ascension, current epoch, deg");
snprintf(val, 22, "%.10f", d); snprintf(val, 22, "%.10f", d);
WRHDR("DEC", val, "Telescope declination, current epoch, deg"); WRHDR("DEC", val, "Telescope declination, current epoch, deg");
snprintf(val, 22, "%.10f", hNow.az * DR2D); snprintf(val, 22, "%.10f", hNow.az * ERFA_DR2D);
WRHDR("AZ", val, "Telescope azimuth, current epoch, deg"); WRHDR("AZ", val, "Telescope azimuth, current epoch, deg");
snprintf(val, 22, "%.10f", hNow.zd * DR2D); snprintf(val, 22, "%.10f", hNow.zd * ERFA_DR2D);
WRHDR("ZD", val, "Telescope zenith distance, current epoch, deg"); WRHDR("ZD", val, "Telescope zenith distance, current epoch, deg");
WRHDR("TELSTAT", strstatus(mountstatus), "Telescope mount status"); WRHDR("TELSTAT", strstatus(mountstatus), "Telescope mount status");
if(!get_MJDt(NULL, &mjd)){ if(!get_MJDt(NULL, &mjd)){