/* open output/log stream ------------------------------------------------------ * open output/log stream * args : rtksvr_t *svr IO rtk server * int index I output/log stream index * (3:solution 1,4:solution 2,5:log rover, * 6:log base station,7:log correction) * int str I output/log stream types (STR_???) * char *path I output/log stream path * solopt_t *solopt I solution options * return : status (1:ok 0:error) *-----------------------------------------------------------------------------*/ extern int rtksvropenstr(rtksvr_t *svr, int index, int str, const char *path, const solopt_t *solopt) { tracet(3,"rtksvropenstr: index=%d str=%d path=%s\n",index,str,path); if (index<3||index>7||!svr->state) return 0; rtksvrlock(svr); if (svr->stream[index].state>0) { rtksvrunlock(svr); return 0; } if (!stropen(svr->stream+index,str,STR_MODE_W,path)) { tracet(2,"stream open error: index=%d\n",index); rtksvrunlock(svr); return 0; } if (index<=4) { svr->solopt[index-3]=*solopt; /* write solution header to solution stream */ writesolhead(svr->stream+index,svr->solopt+index-3); } rtksvrunlock(svr); return 1; }
/* decode download file ------------------------------------------------------*/ static void decodefile(rtksvr_t *svr, int index) { nav_t nav; char file[1024]; int nb; INIT_ZERO(nav); tracet(4,"decodefile: index=%d\n",index); rtksvrlock(svr); /* check file path completed */ if ((nb=svr->nb[index])<=2|| svr->buff[index][nb-2]!='\r'||svr->buff[index][nb-1]!='\n') { rtksvrunlock(svr); return; } strncpy(file,(char *)svr->buff[index],nb-2); file[nb-2]='\0'; svr->nb[index]=0; rtksvrunlock(svr); if (svr->format[index]==STRFMT_SP3) { /* precise ephemeris */ /* read sp3 precise ephemeris */ readsp3(file,&nav,0); if (nav.ne<=0) { tracet(1,"sp3 file read error: %s\n",file); return; } /* update precise ephemeris */ rtksvrlock(svr); if (svr->nav.peph) free(svr->nav.peph); svr->nav.ne=svr->nav.nemax=nav.ne; svr->nav.peph=nav.peph; svr->ftime[index]=utc2gpst(timeget()); strcpy(svr->files[index],file); rtksvrunlock(svr); } else if (svr->format[index]==STRFMT_RNXCLK) { /* precise clock */ /* read rinex clock */ if (readrnxc(file,&nav)<=0) { tracet(1,"rinex clock file read error: %s\n",file); return; } /* update precise clock */ rtksvrlock(svr); if (svr->nav.pclk) free(svr->nav.pclk); svr->nav.nc=svr->nav.ncmax=nav.nc; svr->nav.pclk=nav.pclk; svr->ftime[index]=utc2gpst(timeget()); strcpy(svr->files[index],file); rtksvrunlock(svr); } }
/* input gw10 raw message ------------------------------------------------------ * input next gw10 raw message from stream * args : raw_t *raw IO receiver raw data control struct * unsigned char data I stream data (1 byte) * return : status (-1: error message, 0: no message, 1: input observation data, * 2: input ephemeris, 3: input sbas message, * 9: input ion/utc parameter) * * notes : to specify input options, set raw->opt to the following option * strings separated by spaces. * * -EPHALL : input all ephemerides * *-----------------------------------------------------------------------------*/ extern int input_gw10(raw_t *raw, unsigned char data) { int stat; trace(5,"input_gw10: data=%02x\n",data); raw->buff[raw->nbyte++]=data; /* synchronize frame */ if (raw->buff[0]!=GW10SYNC) { raw->nbyte=0; return 0; } if (raw->nbyte>=2&&!(raw->len=msglen(raw->buff[1]))) { raw->nbyte=0; return 0; } if (raw->nbyte<2||raw->nbyte<raw->len) return 0; if (!chksum(raw->buff,raw->len)) { tracet(2,"gw10 message checksum error msg=%d\n",raw->buff[1]); raw->buff[0]=0; raw->nbyte=0; return -1; } /* decode gw10 raw message */ stat=decode_gw10(raw); raw->buff[0]=0; raw->nbyte=0; return stat; }
static void RtkServer__readsp3(JNIEnv* env, jclass thiz, jstring file) { struct native_ctx_t *nctx; nav_t nav={0}; rtksvr_t *svr; nctx = (struct native_ctx_t *)(uintptr_t)(*env)->GetLongField(env, thiz, m_object_field); if (nctx == NULL) { LOGV("nctx is null"); return; } const char *filename = (*env)->GetStringUTFChars(env, file, 0); readsp3(filename,&nav,0); /* test if there is some ephemeris */ if (nav.ne<=0) { tracet(1,"sp3 file read error: %s\n",file); return; } //OK so update to server svr = &nctx->rtksvr; rtksvrlock(svr); if (svr->nav.peph) free(svr->nav.peph); svr->nav.ne=svr->nav.nemax=nav.ne; svr->nav.peph=nav.peph; rtksvrunlock(svr); (*env)->ReleaseStringUTFChars(env,file, filename); }
/* get observation data status ------------------------------------------------- * get current observation data status * args : rtksvr_t *svr I rtk server * int rcv I receiver (0:rover,1:base,2:ephem) * gtime_t *time O time of observation data * int *sat O satellite prn numbers * double *az O satellite azimuth angles (rad) * double *el O satellite elevation angles (rad) * int **snr O satellite snr for each freq (dBHz) * snr[i][j] = sat i freq j snr * int *vsat O valid satellite flag * return : number of satellites *-----------------------------------------------------------------------------*/ extern int rtksvrostat(rtksvr_t *svr, int rcv, gtime_t *time, int *sat, double *az, double *el, int **snr, int *vsat) { int i,j,ns; tracet(4,"rtksvrostat: rcv=%d\n",rcv); if (!svr->state) return 0; rtksvrlock(svr); ns=svr->obs[rcv][0].n; if (ns>0) { *time=svr->obs[rcv][0].data[0].time; } for (i=0;i<ns;i++) { sat [i]=svr->obs[rcv][0].data[i].sat; az [i]=svr->rtk.ssat[sat[i]-1].azel[0]; el [i]=svr->rtk.ssat[sat[i]-1].azel[1]; for (j=0;j<NFREQ;j++) { snr[i][j]=(int)(svr->obs[rcv][0].data[i].SNR[j]*0.25); } if (svr->rtk.sol.stat==SOLQ_NONE||svr->rtk.sol.stat==SOLQ_SINGLE) { vsat[i]=svr->rtk.ssat[sat[i]-1].vs; } else { vsat[i]=svr->rtk.ssat[sat[i]-1].vsat[0]; } } rtksvrunlock(svr); return ns; }
/* write solution to output stream -------------------------------------------*/ static void writesol(rtksvr_t *svr, int index) { solopt_t solopt=solopt_default; unsigned char buff[1024]; int i,n; tracet(4,"writesol: index=%d\n",index); for (i=0;i<2;i++) { /* output solution */ n=outsols(buff,&svr->rtk.sol,svr->rtk.rb,svr->solopt+i); strwrite(svr->stream+i+3,buff,n); /* save output buffer */ saveoutbuf(svr,buff,n,i); /* output extended solution */ n=outsolexs(buff,&svr->rtk.sol,svr->rtk.ssat,svr->solopt+i); strwrite(svr->stream+i+3,buff,n); /* save output buffer */ saveoutbuf(svr,buff,n,i); } /* output solution to monitor port */ if (svr->moni) { n=outsols(buff,&svr->rtk.sol,svr->rtk.rb,&solopt); strwrite(svr->moni,buff,n); } /* save solution buffer */ if (svr->nsol<MAXSOLBUF) { rtksvrlock(svr); svr->solbuf[svr->nsol++]=svr->rtk.sol; rtksvrunlock(svr); } }
/* close output/log stream ----------------------------------------------------- * close output/log stream * args : rtksvr_t *svr IO rtk server * int index I output/log stream index * (3:solution 1,4:solution 2,5:log rover, * 6:log base station,7:log correction) * return : none *-----------------------------------------------------------------------------*/ extern void rtksvrclosestr(rtksvr_t *svr, int index) { tracet(3,"rtksvrclosestr: index=%d\n",index); if (index<3||index>7||!svr->state) return; rtksvrlock(svr); strclose(svr->stream+index); rtksvrunlock(svr); }
/* decode receiver raw/rtcm data ---------------------------------------------*/ static int decoderaw(rtksvr_t *svr, int index) { obs_t *obs; nav_t *nav; sbsmsg_t *sbsmsg=NULL; int i,ret,sat,fobs=0; tracet(4,"decoderaw: index=%d\n",index); rtksvrlock(svr); for (i=0;i<svr->nb[index];i++) { /* input rtcm/receiver raw data from stream */ if (svr->format[index]==STRFMT_RTCM2) { ret=input_rtcm2(svr->rtcm+index,svr->buff[index][i]); obs=&svr->rtcm[index].obs; nav=&svr->rtcm[index].nav; sat=svr->rtcm[index].ephsat; } else if (svr->format[index]==STRFMT_RTCM3) { ret=input_rtcm3(svr->rtcm+index,svr->buff[index][i]); obs=&svr->rtcm[index].obs; nav=&svr->rtcm[index].nav; sat=svr->rtcm[index].ephsat; } else { ret=input_raw(svr->raw+index,svr->format[index],svr->buff[index][i]); obs=&svr->raw[index].obs; nav=&svr->raw[index].nav; sat=svr->raw[index].ephsat; sbsmsg=&svr->raw[index].sbsmsg; } #if 0 /* record for receiving tick */ if (ret==1) { trace(0,"%d %10d T=%s NS=%2d\n",index,tickget(), time_str(obs->data[0].time,0),obs->n); } #endif /* update rtk server */ if (ret>0) updatesvr(svr,ret,obs,nav,sat,sbsmsg,index,fobs); /* observation data received */ if (ret==1) { if (fobs<MAXOBSBUF) fobs++; else svr->prcout++; } } svr->nb[index]=0; rtksvrunlock(svr); return fobs; }
/* send nmea request ----------------------------------------------------------- * send nmea gpgga message to stream * args : stream_t *stream I stream * double *pos I position {x,y,z} (ecef) (m) * return : none *-----------------------------------------------------------------------------*/ extern void strsendnmea(stream_t *stream, const double *pos) { sol_t sol={{0}}; unsigned char buff[1024]; int i,n; tracet(3,"strsendnmea: pos=%.3f %.3f %.3f\n",pos[0],pos[1],pos[2]); sol.stat=SOLQ_SINGLE; sol.time=utc2gpst(timeget()); for (i=0;i<3;i++) sol.rr[i]=pos[i]; n=outnmea_gga(buff,&sol); strwrite(stream,buff,n); }
/* get stream status ----------------------------------------------------------- * get current stream status * args : rtksvr_t *svr I rtk server * int *sstat O status of streams * char *msg O status messages * return : none *-----------------------------------------------------------------------------*/ extern void rtksvrsstat(rtksvr_t *svr, int *sstat, char *msg) { int i; char s[MAXSTRMSG],*p=msg; INIT_ZERO(s); tracet(4,"rtksvrsstat:\n"); rtksvrlock(svr); for (i=0;i<MAXSTRRTK;i++) { sstat[i]=strstat(svr->stream+i,s); if (*s) p+=sprintf(p,"(%d) %s ",i+1,s); } rtksvrunlock(svr); }
/* send receiver command ------------------------------------------------------- * send receiver commands to stream * args : stream_t *stream I stream * char *cmd I receiver command strings * return : none *-----------------------------------------------------------------------------*/ extern void strsendcmd(stream_t *str, const char *cmd) { unsigned char buff[1024]; const char *p=cmd,*q; char msg[1024],cmdend[]="\r\n"; int n,m,ms; tracet(3,"strsendcmd: cmd=%s\n",cmd); for (;;) { for (q=p;;q++) if (*q=='\r'||*q=='\n'||*q=='\0') break; n=(int)(q-p); strncpy(msg,p,n); msg[n]='\0'; if (!*msg||*msg=='#') { /* null or comment */ ; } else if (*msg=='!') { /* binary escape */ if (!strncmp(msg+1,"WAIT",4)) { /* wait */ if (sscanf(msg+5,"%d",&ms)<1) ms=100; if (ms>3000) ms=3000; /* max 3 s */ sleepms(ms); } else if (!strncmp(msg+1,"UBX",3)) { /* ublox */ if ((m=gen_ubx(msg+4,buff))>0) strwrite(str,buff,m); } else if (!strncmp(msg+1,"STQ",3)) { /* skytraq */ if ((m=gen_stq(msg+4,buff))>0) strwrite(str,buff,m); } else if (!strncmp(msg+1,"NVS",3)) { /* nvs */ if ((m=gen_nvs(msg+4,buff))>0) strwrite(str,buff,m); } else if (!strncmp(msg+1,"LEXR",3)) { /* lex receiver */ if ((m=gen_lexr(msg+5,buff))>0) strwrite(str,buff,m); } } else { strwrite(str,(unsigned char *)msg,n); strwrite(str,(unsigned char *)cmdend,2); } if (*q=='\0') break; else p=q+1; } }
/* start rtk server ------------------------------------------------------------ * start rtk server thread * args : rtksvr_t *svr IO rtk server * int cycle I server cycle (ms) * int buffsize I input buffer size (bytes) * int *strs I stream types (STR_???) * types[0]=input stream rover * types[1]=input stream base station * types[2]=input stream correction * types[3]=output stream solution 1 * types[4]=output stream solution 2 * types[5]=log stream rover * types[6]=log stream base station * types[7]=log stream correction * char *paths I input stream paths * int *format I input stream formats (STRFMT_???) * format[0]=input stream rover * format[1]=input stream base station * format[2]=input stream correction * int navsel I navigation message select * (0:rover,1:base,2:ephem,3:all) * char **cmds I input stream start commands * cmds[0]=input stream rover (NULL: no command) * cmds[1]=input stream base (NULL: no command) * cmds[2]=input stream corr (NULL: no command) * char **rcvopts I receiver options * rcvopt[0]=receiver option rover * rcvopt[1]=receiver option base * rcvopt[2]=receiver option corr * int nmeacycle I nmea request cycle (ms) (0:no request) * int nmeareq I nmea request type (0:no,1:base pos,2:single sol) * double *nmeapos I transmitted nmea position (ecef) (m) * prcopt_t *prcopt I rtk processing options * solopt_t *solopt I solution options * solopt[0]=solution 1 options * solopt[1]=solution 2 options * stream_t *moni I monitor stream (NULL: not used) * return : status (1:ok 0:error) *-----------------------------------------------------------------------------*/ extern int rtksvrstart(rtksvr_t *svr, int cycle, int buffsize, int *strs, char **paths, int *formats, int navsel, char **cmds, char **rcvopts, int nmeacycle, int nmeareq, const double *nmeapos, prcopt_t *prcopt, solopt_t *solopt, stream_t *moni) { gtime_t time,time0; int i,j,rw; INIT_ZERO(time); INIT_ZERO(time0); tracet(3,"rtksvrstart: cycle=%d buffsize=%d navsel=%d nmeacycle=%d nmeareq=%d\n", cycle,buffsize,navsel,nmeacycle,nmeareq); if (svr->state) return 0; strinitcom(); svr->cycle=cycle>1?cycle:1; svr->nmeacycle=nmeacycle>1000?nmeacycle:1000; svr->nmeareq=nmeareq; for (i=0;i<3;i++) svr->nmeapos[i]=nmeapos[i]; svr->buffsize=buffsize>4096?buffsize:4096; for (i=0;i<3;i++) svr->format[i]=formats[i]; svr->navsel=navsel; svr->nsbs=0; svr->nsol=0; svr->prcout=0; rtkfree(&svr->rtk); rtkinit(&svr->rtk,prcopt); for (i=0;i<3;i++) { /* input/log streams */ svr->nb[i]=svr->npb[i]=0; if (!(svr->buff[i]=(unsigned char *)malloc(buffsize))|| !(svr->pbuf[i]=(unsigned char *)malloc(buffsize))) { tracet(1,"rtksvrstart: malloc error\n"); return 0; } for (j=0;j<10;j++) svr->nmsg[i][j]=0; for (j=0;j<MAXOBSBUF;j++) svr->obs[i][j].n=0; /* initialize receiver raw and rtcm control */ init_raw (svr->raw +i); init_rtcm(svr->rtcm+i); /* set receiver and rtcm option */ strcpy(svr->raw [i].opt,rcvopts[i]); strcpy(svr->rtcm[i].opt,rcvopts[i]); /* connect dgps corrections */ svr->rtcm[i].dgps=svr->nav.dgps; } for (i=0;i<2;i++) { /* output peek buffer */ if (!(svr->sbuf[i]=(unsigned char *)malloc(buffsize))) { tracet(1,"rtksvrstart: malloc error\n"); return 0; } } /* set solution options */ for (i=0;i<2;i++) { svr->solopt[i]=solopt[i]; } /* set base station position */ for (i=0;i<6;i++) { svr->rtk.rb[i]=i<3?prcopt->rb[i]:0.0; } /* update navigation data */ for (i=0;i<MAXSAT *2;i++) svr->nav.eph [i].ttr=time0; for (i=0;i<NSATGLO*2;i++) svr->nav.geph[i].tof=time0; for (i=0;i<NSATSBS*2;i++) svr->nav.seph[i].tof=time0; updatenav(&svr->nav); /* set monitor stream */ svr->moni=moni; /* open input streams */ for (i=0;i<8;i++) { rw=i<3?STR_MODE_R:STR_MODE_W; if (strs[i]!=STR_FILE) rw|=STR_MODE_W; if (!stropen(svr->stream+i,strs[i],rw,paths[i])) { for (i--;i>=0;i--) strclose(svr->stream+i); return 0; } /* set initial time for rtcm and raw */ if (i<3) { time=utc2gpst(timeget()); svr->raw [i].time=strs[i]==STR_FILE?strgettime(svr->stream+i):time; svr->rtcm[i].time=strs[i]==STR_FILE?strgettime(svr->stream+i):time; } } /* sync input streams */ strsync(svr->stream,svr->stream+1); strsync(svr->stream,svr->stream+2); /* write start commands to input streams */ for (i=0;i<3;i++) { if (cmds[i]) strsendcmd(svr->stream+i,cmds[i]); } /* write solution header to solution streams */ for (i=3;i<5;i++) { writesolhead(svr->stream+i,svr->solopt+i-3); } /* create rtk server thread */ #ifdef WIN32 if (!(svr->thread=CreateThread(NULL,0,rtksvrthread,svr,0,NULL))) { #else if (pthread_create(&svr->thread,NULL,rtksvrthread,svr)) { #endif for (i=0;i<MAXSTRRTK;i++) strclose(svr->stream+i); return 0; } return 1; } /* stop rtk server ------------------------------------------------------------- * start rtk server thread * args : rtksvr_t *svr IO rtk server * char **cmds I input stream stop commands * cmds[0]=input stream rover (NULL: no command) * cmds[1]=input stream base (NULL: no command) * cmds[2]=input stream ephem (NULL: no command) * return : none *-----------------------------------------------------------------------------*/ extern void rtksvrstop(rtksvr_t *svr, char **cmds) { int i; tracet(3,"rtksvrstop:\n"); /* write stop commands to input streams */ rtksvrlock(svr); for (i=0;i<3;i++) { if (cmds[i]) strsendcmd(svr->stream+i,cmds[i]); } rtksvrunlock(svr); /* stop rtk server */ svr->state=0; /* free rtk server thread */ #ifdef WIN32 WaitForSingleObject(svr->thread,10000); CloseHandle(svr->thread); #else pthread_join(svr->thread,NULL); #endif }
/* initialize rtk server ------------------------------------------------------- * initialize rtk server * args : rtksvr_t *svr IO rtk server * return : status (0:error,1:ok) *-----------------------------------------------------------------------------*/ extern int rtksvrinit(rtksvr_t *svr) { gtime_t time0; sol_t sol0; eph_t eph0; geph_t geph0; seph_t seph0; int i,j; INIT_ZERO(time0); INIT_ZERO(sol0); INIT_ZERO(eph0); INIT_ZERO(geph0); INIT_ZERO(seph0); tracet(3,"rtksvrinit:\n"); svr->state=svr->cycle=svr->nmeacycle=svr->nmeareq=0; for (i=0;i<3;i++) svr->nmeapos[i]=0.0; svr->buffsize=0; for (i=0;i<3;i++) svr->format[i]=0; for (i=0;i<2;i++) svr->solopt[i]=solopt_default; svr->navsel=svr->nsbs=svr->nsol=0; rtkinit(&svr->rtk,&prcopt_default); for (i=0;i<3;i++) svr->nb[i]=0; for (i=0;i<2;i++) svr->nsb[i]=0; for (i=0;i<3;i++) svr->npb[i]=0; for (i=0;i<3;i++) svr->buff[i]=NULL; for (i=0;i<2;i++) svr->sbuf[i]=NULL; for (i=0;i<3;i++) svr->pbuf[i]=NULL; for (i=0;i<MAXSOLBUF;i++) svr->solbuf[i]=sol0; for (i=0;i<3;i++) for (j=0;j<10;j++) svr->nmsg[i][j]=0; for (i=0;i<3;i++) svr->ftime[i]=time0; for (i=0;i<3;i++) svr->files[i][0]='\0'; svr->moni=NULL; svr->tick=0; svr->thread=0; svr->cputime=svr->prcout=0; if (!(svr->nav.eph =(eph_t *)malloc(sizeof(eph_t )*MAXSAT *2))|| !(svr->nav.geph=(geph_t *)malloc(sizeof(geph_t)*NSATGLO*2))|| !(svr->nav.seph=(seph_t *)malloc(sizeof(seph_t)*NSATSBS*2))) { tracet(1,"rtksvrinit: malloc error\n"); return 0; } for (i=0;i<MAXSAT *2;i++) svr->nav.eph [i]=eph0; for (i=0;i<NSATGLO*2;i++) svr->nav.geph[i]=geph0; for (i=0;i<NSATSBS*2;i++) svr->nav.seph[i]=seph0; svr->nav.n =MAXSAT *2; svr->nav.ng=NSATGLO*2; svr->nav.ns=NSATSBS*2; for (i=0;i<3;i++) for (j=0;j<MAXOBSBUF;j++) { if (!(svr->obs[i][j].data=(obsd_t *)malloc(sizeof(obsd_t)*MAXOBS))) { tracet(1,"rtksvrinit: malloc error\n"); return 0; } } for (i=0;i<3;i++) { memset(svr->raw +i,0,sizeof(raw_t )); memset(svr->rtcm+i,0,sizeof(rtcm_t)); } for (i=0;i<MAXSTRRTK;i++) strinit(svr->stream+i); initlock(&svr->lock); return 1; }
static void *rtksvrthread(void *arg) #endif { rtksvr_t *svr=(rtksvr_t *)arg; obs_t obs; obsd_t data[MAXOBS*2]; double tt; unsigned int tick,ticknmea; unsigned char *p,*q; int i,j,n,fobs[3],cycle,cputime; INIT_ZERO(fobs); tracet(3,"rtksvrthread:\n"); svr->state=1; obs.data=data; svr->tick=tickget(); ticknmea=svr->tick-1000; for (cycle=0;svr->state;cycle++) { tick=tickget(); for (i=0;i<3;i++) { p=svr->buff[i]+svr->nb[i]; q=svr->buff[i]+svr->buffsize; /* read receiver raw/rtcm data from input stream */ if ((n=strread(svr->stream+i,p,q-p))<=0) { continue; } /* write receiver raw/rtcm data to log stream */ strwrite(svr->stream+i+5,p,n); svr->nb[i]+=n; /* save peek buffer */ rtksvrlock(svr); n=n<svr->buffsize-svr->npb[i]?n:svr->buffsize-svr->npb[i]; memcpy(svr->pbuf[i]+svr->npb[i],p,n); svr->npb[i]+=n; rtksvrunlock(svr); } for (i=0;i<3;i++) { if (svr->format[i]==STRFMT_SP3||svr->format[i]==STRFMT_RNXCLK) { /* decode download file */ decodefile(svr,i); } else { /* decode receiver raw/rtcm data */ fobs[i]=decoderaw(svr,i); } } for (i=0;i<fobs[0];i++) { /* for each rover observation data */ obs.n=0; for (j=0;j<svr->obs[0][i].n&&obs.n<MAXOBS*2;j++) { obs.data[obs.n++]=svr->obs[0][i].data[j]; } for (j=0;j<svr->obs[1][0].n&&obs.n<MAXOBS*2;j++) { obs.data[obs.n++]=svr->obs[1][0].data[j]; } /* rtk positioning */ rtksvrlock(svr); rtkpos(&svr->rtk,obs.data,obs.n,&svr->nav); rtksvrunlock(svr); if (svr->rtk.sol.stat!=SOLQ_NONE) { /* adjust current time */ tt=(int)(tickget()-tick)/1000.0+DTTOL; timeset(gpst2utc(timeadd(svr->rtk.sol.time,tt))); /* write solution */ writesol(svr,i); } /* if cpu overload, inclement obs outage counter and break */ if ((int)(tickget()-tick)>=svr->cycle) { svr->prcout+=fobs[0]-i-1; #if 0 /* omitted v.2.4.1 */ break; #endif } } /* send null solution if no solution (1hz) */ if (svr->rtk.sol.stat==SOLQ_NONE&&cycle%(1000/svr->cycle)==0) { writesol(svr,0); } /* send nmea request to base/nrtk input stream */ if (svr->nmeacycle>0&&(int)(tick-ticknmea)>=svr->nmeacycle) { if (svr->stream[1].state==1) { if (svr->nmeareq==1) { strsendnmea(svr->stream+1,svr->nmeapos); } else if (svr->nmeareq==2&&norm(svr->rtk.sol.rr,3)>0.0) { strsendnmea(svr->stream+1,svr->rtk.sol.rr); } } ticknmea=tick; } if ((cputime=(int)(tickget()-tick))>0) svr->cputime=cputime; /* sleep until next cycle */ sleepms(svr->cycle-cputime); } for (i=0;i<MAXSTRRTK;i++) strclose(svr->stream+i); for (i=0;i<3;i++) { svr->nb[i]=svr->npb[i]=0; free(svr->buff[i]); svr->buff[i]=NULL; free(svr->pbuf[i]); svr->pbuf[i]=NULL; free_raw (svr->raw +i); free_rtcm(svr->rtcm+i); } for (i=0;i<2;i++) { svr->nsb[i]=0; free(svr->sbuf[i]); svr->sbuf[i]=NULL; } return 0; }
/* update rtk server struct --------------------------------------------------*/ static void updatesvr(rtksvr_t *svr, int ret, obs_t *obs, nav_t *nav, int sat, sbsmsg_t *sbsmsg, int index, int iobs) { eph_t *eph1,*eph2,*eph3; geph_t *geph1,*geph2,*geph3; gtime_t tof; double pos[3],del[3],dr[3]; int i,n=0,prn=0,sbssat=svr->rtk.opt.sbassatsel,sys=0,iode=0; INIT_ZERO(del); INIT_ZERO(dr); INIT_ZERO(pos); INIT_ZERO(prn); tracet(4,"updatesvr: ret=%d sat=%2d index=%d\n",ret,sat,index); if (ret==1) { /* observation data */ if (iobs<MAXOBSBUF) { for (i=0;i<obs->n;i++) { if (svr->rtk.opt.exsats[obs->data[i].sat-1]==1|| !(satsys(obs->data[i].sat,NULL)&svr->rtk.opt.navsys)) continue; svr->obs[index][iobs].data[n]=obs->data[i]; svr->obs[index][iobs].data[n++].rcv=index+1; } svr->obs[index][iobs].n=n; sortobs(&svr->obs[index][iobs]); } svr->nmsg[index][0]++; } else if (ret==2) { /* ephemeris */ if (satsys(sat,&prn)!=SYS_GLO) { if (!svr->navsel||svr->navsel==index+1) { eph1=nav->eph+sat-1; eph2=svr->nav.eph+sat-1; eph3=svr->nav.eph+sat-1+MAXSAT; if (eph2->ttr.time==0|| (eph1->iode!=eph3->iode&&eph1->iode!=eph2->iode)|| (timediff(eph1->toe,eph3->toe)!=0.0&& timediff(eph1->toe,eph2->toe)!=0.0)) { *eph3=*eph2; *eph2=*eph1; updatenav(&svr->nav); } } svr->nmsg[index][1]++; } else { if (!svr->navsel||svr->navsel==index+1) { geph1=nav->geph+prn-1; geph2=svr->nav.geph+prn-1; geph3=svr->nav.geph+prn-1+MAXPRNGLO; if (geph2->tof.time==0|| (geph1->iode!=geph3->iode&&geph1->iode!=geph2->iode)) { *geph3=*geph2; *geph2=*geph1; updatenav(&svr->nav); updatefcn(svr); } } svr->nmsg[index][6]++; } } else if (ret==3) { /* sbas message */ if (sbsmsg&&(sbssat==sbsmsg->prn||sbssat==0)) { if (svr->nsbs<MAXSBSMSG) { svr->sbsmsg[svr->nsbs++]=*sbsmsg; } else { for (i=0;i<MAXSBSMSG-1;i++) svr->sbsmsg[i]=svr->sbsmsg[i+1]; svr->sbsmsg[i]=*sbsmsg; } sbsupdatecorr(sbsmsg,&svr->nav); } svr->nmsg[index][3]++; } else if (ret==9) { /* ion/utc parameters */ if (svr->navsel==index||svr->navsel>=3) { for (i=0;i<8;i++) svr->nav.ion_gps[i]=nav->ion_gps[i]; for (i=0;i<4;i++) svr->nav.utc_gps[i]=nav->utc_gps[i]; for (i=0;i<4;i++) svr->nav.ion_gal[i]=nav->ion_gal[i]; for (i=0;i<4;i++) svr->nav.utc_gal[i]=nav->utc_gal[i]; for (i=0;i<8;i++) svr->nav.ion_qzs[i]=nav->ion_qzs[i]; for (i=0;i<4;i++) svr->nav.utc_qzs[i]=nav->utc_qzs[i]; svr->nav.leaps=nav->leaps; } svr->nmsg[index][2]++; } else if (ret==5) { /* antenna postion parameters */ if (svr->rtk.opt.refpos==4&&index==1) { for (i=0;i<3;i++) { svr->rtk.rb[i]=svr->rtcm[1].sta.pos[i]; } /* antenna delta */ ecef2pos(svr->rtk.rb,pos); if (svr->rtcm[1].sta.deltype) { /* xyz */ del[2]=svr->rtcm[1].sta.hgt; enu2ecef(pos,del,dr); for (i=0;i<3;i++) { svr->rtk.rb[i]+=svr->rtcm[1].sta.del[i]+dr[i]; } } else { /* enu */ enu2ecef(pos,svr->rtcm[1].sta.del,dr); for (i=0;i<3;i++) { svr->rtk.rb[i]+=dr[i]; } } } svr->nmsg[index][4]++; } else if (ret==7) { /* dgps correction */ svr->nmsg[index][5]++; } else if (ret==10) { /* ssr message */ for (i=0;i<MAXSAT;i++) { if (!svr->rtcm[index].ssr[i].update) continue; svr->rtcm[index].ssr[i].update=0; iode=svr->rtcm[index].ssr[i].iode; sys=satsys(i+1,&prn); /* check corresponding ephemeris exists */ if (sys==SYS_GPS||sys==SYS_GAL||sys==SYS_QZS) { if (svr->nav.eph[i ].iode!=iode&& svr->nav.eph[i+MAXSAT].iode!=iode) { continue; } } else if (sys==SYS_GLO) { if (svr->nav.geph[prn-1 ].iode!=iode&& svr->nav.geph[prn-1+MAXPRNGLO].iode!=iode) { continue; } } svr->nav.ssr[i]=svr->rtcm[index].ssr[i]; } svr->nmsg[index][7]++; } else if (ret==31) { /* lex message */ lexupdatecorr(&svr->raw[index].lexmsg,&svr->nav,&tof); svr->nmsg[index][8]++; } else if (ret==-1) { /* error */ svr->nmsg[index][9]++; } }