static void garmin_bin_update(uint16_t pkt_id, uint32_t pkt_size UNUSED, unsigned char *pkt_data) { int i; cpo_sat_data *sats = NULL; cpo_pvt_data *pvt = NULL; //cpo_rcv_data *rmd = NULL; char tbuf[JSON_DATE_MAX+1]; switch (pkt_id) { case 0x29: /* Receiver Measurement Record */ case 0x34: /* for future use */ //rmd = (cpo_rcv_data *)pkt_data; monitor_log("RMD 0x%02x=", pkt_id); break; case 0x33: /* Position Record */ /* coverity_submit[tainted_data] */ display(miscwin, 0, 6, "%-24s", unix_to_iso8601(session.gpsdata.fix.time, tbuf, sizeof(tbuf))); pvt = (cpo_pvt_data *)pkt_data; display(mid51win, 1, 7, "%s", (CHECK_RANGE(fixdesc, (uint8_t)GPSD_LE16TOH(pvt->fix)) ? \ fixdesc[GPSD_LE16TOH(pvt->fix)] : "unknown")); display(mid51win, 2, 8, "%3.5f", pvt->lat * RAD_2_DEG); display(mid51win, 3, 8, "%3.5f", pvt->lon * RAD_2_DEG); display(mid51win, 4, 8, "%8.2f", pvt->alt + pvt->msl_hght); display(mid51win, 5, 9, "%5.1f", hypot(pvt->lon_vel, pvt->lat_vel)); display(mid51win, 6, 9, "%5.1f", pvt->alt_vel); display(mid51win, 7, 8, "%d", (int)GPSD_LE16TOH(pvt->leap_sec)); if (GPSD_LE16TOH(pvt->fix) < 2) /* error value is very large when status no fix */ pvt->epe = pvt->eph = pvt->epv = NAN; display(mid51win, 8, 7, "%6.2f", pvt->epe); display(mid51win, 9, 7, "%6.2f", pvt->eph); display(mid51win, 10, 7, "%6.2f", pvt->epv); monitor_log("PVT 0x%02x=", pkt_id); break; case 0x72: /* Satellite Data Record */ sats = (cpo_sat_data *)pkt_data; for (i = 0; i < GARMIN_CHANNELS; i++, sats++) { display(mid114win, i + 2, 3, " %3u %3u %2u %4.1f %2x", sats->svid, GPSD_LE16TOH(sats->azmth), sats->elev, (float)GPSD_LE16TOH(sats->snr) / 100.0, sats->status); } monitor_log("SAT 0x%02x=", pkt_id); break; case 0xff: /* Product Data Record */ monitor_log("PDR 0x%02x=", pkt_id); break; default: monitor_log("UNK 0x%02x=", pkt_id); break; } }
static void sirf_update(void) { int i, j, ch, sv; unsigned char *buf; size_t len; uint8_t dgps; char tbuf[JSON_DATE_MAX+1]; buf = session.lexer.outbuffer + 4; len = session.lexer.outbuflen - 8; switch (buf[0]) { case 0x02: /* Measured Navigation Data */ (void)wmove(mid2win, 1, 6); /* ECEF position */ (void)wprintw(mid2win, "%8d %8d %8d", getbes32(buf, 1), getbes32(buf, 5), getbes32(buf, 9)); (void)wmove(mid2win, 2, 6); /* ECEF velocity */ (void)wprintw(mid2win, "%8.1f %8.1f %8.1f", (double)getbes16(buf, 13) / 8, (double)getbes16(buf, 15) / 8, (double)getbes16(buf, 17) / 8); decode_ecef((double)getbes32(buf, 1), (double)getbes32(buf, 5), (double)getbes32(buf, 9), (double)getbes16(buf, 13) / 8, (double)getbes16(buf, 15) / 8, (double)getbes16(buf, 17) / 8); /* line 3 */ (void)wmove(mid2win, 3, 7); (void)wprintw(mid2win, "%-24s", unix_to_iso8601(session.gpsdata.fix.time, tbuf, sizeof(tbuf)) ); (void)wmove(mid2win, 3, 38); (void)wattrset(mid2win, A_UNDERLINE); if (ppstime_enabled) (void)wprintw(mid2win, "%02d", leapseconds); else (void)wprintw(mid2win, "??"); (void)wattrset(mid2win, A_NORMAL); /* line 4 */ /* HDOP */ (void)wmove(mid2win, 4, 59); (void)wprintw(mid2win, "%4.1f", (double)getub(buf, 20) / 5); /* Mode 1 */ (void)wmove(mid2win, 4, 69); (void)wprintw(mid2win, "%02x", getub(buf, 19)); /* Mode 2 */ (void)wmove(mid2win, 4, 77); (void)wprintw(mid2win, "%02x", getub(buf, 21)); /* SVs in fix */ (void)wmove(mid2win, 4, 6); (void)wprintw(mid2win, "%2d = ", (int)getub(buf, 28)); /* SV list */ (void)wmove(mid2win, 4, 10); /* coverity_submit[tainted_data] */ for (i = 0; i < (int)getub(buf, 28); i++) (void)wprintw(mid2win, " %2d", (int)getub(buf, 29 + i)); monitor_log("MND 0x02="); break; case 0x04: /* Measured Tracking Data */ ch = (int)getub(buf, 7); for (i = 0; i < ch; i++) { int az, el, state, off; double cn; off = 8 + 15 * i; (void)wmove(mid4win, i + 2, 3); sv = (int)getub(buf, off); az = (int)getub(buf, off + 1) * 3 / 2; el = (int)getub(buf, off + 2) / 2; state = (int)getbeu16(buf, off + 3); cn = 0; for (j = 0; j < 10; j++) cn += (int)getub(buf, off + 5 + j); cn /= 10; (void)wprintw(mid4win, " %3d %3d %2d %04x %4.1f %c", sv, az, el, state, cn, state == 0xbf ? 'T' : ' '); } monitor_log("MTD 0x04="); break; #ifdef __UNUSED__ case 0x05: /* raw track data */ for (off = 1; off < len; off += 51) { ch = getbeu32(buf, off); (void)wmove(mid4win, ch + 2, 19); cn = 0; for (j = 0; j < 10; j++) cn += getub(buf, off + 34 + j); printw("%5.1f", (double)cn / 10); printw("%9d%3d%5d", getbeu32(buf, off + 8), (int)getbeu16(buf, off + 12), (int)getbeu16(buf, off + 14)); printw("%8.5f %10.5f", (double)getbeu32(buf, off + 16) / 65536, (double)getbeu32(buf, off + 20) / 1024); } monitor_log("RTD 0x05="); break; #endif /* __UNUSED */ case 0x06: /* firmware version */ display(mid6win, 1, 1, "%s", buf + 1); monitor_log("FV 0x06="); break; case 0x07: /* Response - Clock Status Data */ display(mid7win, 1, 5, "%2d", getub(buf, 7)); /* SVs */ display(mid7win, 1, 16, "%lu", getbeu32(buf, 8)); /* Clock ppstimes */ display(mid7win, 1, 29, "%lu", getbeu32(buf, 12)); /* Clock Bias */ display(mid7win, 2, 11, "%lu", getbeu32(buf, 16)); /* Estimated Time */ monitor_log("CSD 0x07="); break; case 0x08: /* 50 BPS data */ ch = (int)getub(buf, 1); sv = (int)getub(buf, 2); display(mid4win, ch + 2, 27, "%2d", sv); subframe_enabled = true; monitor_log("50B 0x08="); break; case 0x09: /* Throughput */ display(mid9win, 1, 6, "%.3f", (double)getbeu16(buf, 1) / 186); /*SegStatMax */ display(mid9win, 1, 18, "%.3f", (double)getbeu16(buf, 3) / 186); /*SegStatLat */ display(mid9win, 1, 31, "%.3f", (double)getbeu16(buf, 5) / 186); /*SegStatTime */ display(mid9win, 1, 42, "%3d", (int)getbeu16(buf, 7)); /* Last Millisecond */ monitor_log("THR 0x09="); break; case 0x0b: /* Command Acknowledgement */ monitor_log("ACK 0x0b="); break; case 0x0c: /* Command NAcknowledgement */ monitor_log("NAK 0x0c="); break; case 0x0d: /* Visible List */ display(mid13win, 1, 1, "%02d = ", getub(buf, 1)); (void)wmove(mid13win, 1, 5); for (i = 0; i < (int)getub(buf, 1); i++) (void)wprintw(mid13win, " %d", getub(buf, 2 + 5 * i)); monitor_log("VL 0x0d="); break; case 0x13: #define YESNO(n) (((int)getub(buf, n) != 0)?'Y':'N') display(mid19win, 1, 20, "%d", getub(buf, 5)); /* Alt. hold mode */ display(mid19win, 2, 20, "%d", getub(buf, 6)); /* Alt. hold source */ display(mid19win, 3, 20, "%dm", (int)getbeu16(buf, 7)); /* Alt. source input */ if (getub(buf, 9) != (uint8_t) '\0') display(mid19win, 4, 20, "%dsec", getub(buf, 10)); /* Degraded timeout */ else display(mid19win, 4, 20, "N/A "); display(mid19win, 5, 20, "%dsec", getub(buf, 11)); /* DR timeout */ display(mid19win, 6, 20, "%c", YESNO(12)); /* Track smooth mode */ display(mid19win, 7, 20, "%c", YESNO(13)); /* Static Nav. */ display(mid19win, 8, 20, "0x%x", getub(buf, 14)); /* 3SV Least Squares */ display(mid19win, 9, 20, "0x%x", getub(buf, 19)); /* DOP Mask mode */ display(mid19win, 10, 20, "0x%x", (int)getbeu16(buf, 20)); /* Nav. Elev. mask */ display(mid19win, 11, 20, "0x%x", getub(buf, 22)); /* Nav. Power mask */ display(mid19win, 12, 20, "0x%x", getub(buf, 27)); /* DGPS Source */ display(mid19win, 13, 20, "0x%x", getub(buf, 28)); /* DGPS Mode */ display(mid19win, 14, 20, "%dsec", getub(buf, 29)); /* DGPS Timeout */ display(mid19win, 1, 42, "%c", YESNO(34)); /* LP Push-to-Fix */ display(mid19win, 2, 42, "%dms", getbeu32(buf, 35)); /* LP On Time */ display(mid19win, 3, 42, "%d", getbeu32(buf, 39)); /* LP Interval */ display(mid19win, 4, 42, "%c", YESNO(43)); /* User Tasks enabled */ display(mid19win, 5, 42, "%d", getbeu32(buf, 44)); /* User Task Interval */ display(mid19win, 6, 42, "%c", YESNO(48)); /* LP Power Cycling Enabled */ display(mid19win, 7, 42, "%d", getbeu32(buf, 49)); /* LP Max Acq Search Time */ display(mid19win, 8, 42, "%d", getbeu32(buf, 53)); /* LP Max Off Time */ display(mid19win, 9, 42, "%c", YESNO(57)); /* APM Enabled */ display(mid19win, 10, 42, "%d", (int)getbeu16(buf, 58)); /* # of fixes */ display(mid19win, 11, 42, "%d", (int)getbeu16(buf, 60)); /* Time Between fixes */ display(mid19win, 12, 42, "%d", getub(buf, 62)); /* H/V Error Max */ display(mid19win, 13, 42, "%d", getub(buf, 63)); /* Response Time Max */ display(mid19win, 14, 42, "%d", getub(buf, 64)); /* Time/Accu & Duty Cycle Priority */ #undef YESNO monitor_log("NP 0x13="); break; case 0x1b: /****************************************************************** Not actually documented in any published materials before the 1.6 version of the SiRF binary protocol manual. Here is what Chris Kuethe got from the SiRF folks, (plus some corrections from the GpsPaSsion forums): Start of message ---------------- Message ID 1 byte 27 Correction Source 1 byte 0=None, 1=SBAS, 2=Serial, 3=Beacon, 4=Software total: 2 bytes Middle part of message varies if using beacon or other: ------------------------------------------------------- If Beacon: Receiver Freq Hz 4 bytes Bit rate BPS 1 byte Status bit map 1 byte 01=Signal Valid, 02=Auto frequency detect 04=Auto bit rate detect Signal Magnitude 4 bytes Note: in internal units Signal Strength dB 2 bytes derived from Signal Magnitude SNR dB 2 bytes total: 14 bytes If Not Beacon: Correction Age[12] 1 byte x 12 Age in seconds in same order as follows Reserved 2 bytes total: 14 bytes End of Message -------------- Repeated 12 times (pad with 0 if less than 12 SV corrections): SVID 1 byte Correction (cm) 2 bytes (signed short) total 3 x 12 = 36 bytes ******************************************************************/ dgps = getub(buf, 1); display(mid27win, 1, 1, "%8s = ", (CHECK_RANGE(dgpsvec, dgps) ? dgpsvec[dgps] : "???")); (void)wmove(mid27win, 1, 11); for (ch = 0; ch < SIRF_CHANNELS; ch++) if (getub(buf, 16 + 3 * ch) != '\0') (void)wprintw(mid27win, " %d", getub(buf, 16 + 3 * ch)); monitor_log("DST 0x1b="); break; case 0x1c: /* NL Measurement Data */ case 0x1d: /* NL DGPS Data */ case 0x1e: /* NL SV State Data */ case 0x1f: /* NL Initialized Data */ subframe_enabled = true; monitor_log("NL 0x%02x=", buf[0]); break; case 0x29: /* Geodetic Navigation Data */ monitor_log("GND 0x29="); break; case 0x32: /* SBAS Parameters */ monitor_log("SBP 0x32="); break; case 0x34: /* PPS Time */ ppstime_enabled = true; leapseconds = (int)getbeu16(buf, 8); monitor_log("PPS 0x34="); break; case 0xff: /* Development Data */ while (len > 0 && buf[len - 1] == '\n') len--; while (len > 0 && buf[len - 1] == ' ') len--; buf[len] = '\0'; j = 1; for (i = 0; verbpat[i] != NULL; i++) if (str_starts_with((char *)(buf + 1), verbpat[i])) { j = 0; break; } if (j != 0) monitor_log("%s\n", buf + 1); monitor_log("DD 0xff="); break; default: monitor_log("UNK 0x%02x=", buf[0]); break; } #ifdef CONTROLSEND_ENABLE /* elicit navigation parameters */ if (dispmode && (time(NULL) % 10 == 0)) { (void)monitor_control_send((unsigned char *)"\x98\x00", 2); } #endif /* CONTROLSEND_ENABLE */ /* clear the 50bps data field every 6 seconds */ if (subframe_enabled && (time(NULL) % 6 == 0)) { for (ch = 0; ch < SIRF_CHANNELS; ch++) display(mid4win, ch + 2, 27, " "); } if (dispmode) { (void)touchwin(mid19win); (void)wnoutrefresh(mid19win); } #ifdef PPS_ENABLE pps_update(mid7win, 2, 32); #endif /* PPS_ENABLE */ }
static void garmin_bin_ser_update(void) { unsigned char *buf; size_t len; uint16_t pkt_id; uint32_t pkt_size; unsigned char pkt_data[255]; int i, j; unsigned char c; unsigned char chksum; bool pkt_good = false, got_dle = false; buf = session.lexer.outbuffer; len = session.lexer.outbuflen; if (!(buf[0] == (unsigned char)0x10 && /* DLE */ buf[len-2] == (unsigned char)0x10 && /* DLE */ buf[len-1] == (unsigned char)0x03)) /* ETX */ goto end; /* bad pkt */ if (buf[1] == (unsigned char)0x10 && buf[2] != (unsigned char)0x10) goto end; /* bad pkt */ pkt_id = (uint16_t)buf[1]; if (buf[2] == (unsigned char)0x10 && buf[3] != (unsigned char)0x10) goto end; /* bad pkt */ pkt_size = (uint32_t)buf[2]; chksum = buf[1] + buf[2]; /* pkt_id + pkt_size */ j = 0; for (i = 0; i <= 255; i++) { if (pkt_size == (uint32_t)j) break; c = buf[i+3]; if (got_dle) { got_dle = false; if (c != (unsigned char)0x10) goto end; /* bad pkt */ } else { pkt_data[j++] = c; chksum += c; if (c == (unsigned char)0x10) got_dle = true; } } /* check pkt chksum */ if ((unsigned char)(-chksum) == buf[len-3]) pkt_good = true; end: if (pkt_good) { #ifdef CONTROLSEND_ENABLE if(serial) /* good packet, send ACK */ (void)monitor_control_send((unsigned char *)"\x10\x06\x00\xfa\x10\x03", 6); #endif garmin_bin_update(pkt_id, pkt_size, pkt_data); } else { #ifdef CONTROLSEND_ENABLE if(serial) /* bad packet, send NAK */ (void)monitor_control_send((unsigned char *)"\x10\x15\x00\xeb\x10\x03", 6); #endif monitor_log("BAD 0x%02x=", buf[1]); } }