From a0fb85391fa1dfefc2744e3b2a5fadcffcc9c17b Mon Sep 17 00:00:00 2001 From: Zilog80 Date: Sat, 24 Aug 2019 09:29:21 +0200 Subject: [PATCH] multi decode: add M10 --- demod/multi/m10base.c | 1040 ++++++++++++++++++++++++++++++++++++++++ demod/multi/rs_multi.c | 21 +- 2 files changed, 1058 insertions(+), 3 deletions(-) create mode 100644 demod/multi/m10base.c diff --git a/demod/multi/m10base.c b/demod/multi/m10base.c new file mode 100644 index 0000000..9b9c31e --- /dev/null +++ b/demod/multi/m10base.c @@ -0,0 +1,1040 @@ + +/* + * m10 + * sync header: correlation/matched filter + * compile: + * gcc -c m10base.c + * + * author: zilog80 + */ + +#include +#include +#include +#include + +/* +#ifdef CYGWIN + #include // cygwin: _setmode() + #include +#endif +*/ + +#include "demod_base.h" + + +typedef struct { + i8_t vbs; // verbose output + i8_t raw; // raw frames + i8_t crc; // CRC check output + i8_t ecc; // Reed-Solomon ECC + i8_t sat; // GPS sat data + i8_t ptu; // PTU: temperature + i8_t inv; + i8_t aut; + i8_t col; // colors + i8_t jsn; // JSON output (auto_rx) +} option_t; + + +/* + 9600 baud -> 9616 baud ? +*/ +#define BAUD_RATE 9615 // 9614..9616 + +/* -------------------------------------------------------------------------- */ + +/* +Header = Sync-Header + Sonde-Header: +1100110011001100 1010011001001100 1101010011010011 0100110101010101 0011010011001100 +uudduudduudduudd ududduuddudduudd uudududduududduu dudduudududududu dduududduudduudd (oder:) +dduudduudduudduu duduudduuduudduu ddududuudduduudd uduuddududududud uudduduudduudduu (komplement) + 0 0 0 0 0 0 0 0 1 1 - - - 0 0 0 0 1 1 0 0 1 0 0 1 0 0 1 1 1 1 1 0 0 1 0 0 0 0 0 +*/ + +#define BITS 8 +#define HEADLEN 32 // HEADLEN+HEADOFS=32 <= strlen(header) +#define HEADOFS 0 + // Sync-Header (raw) // Sonde-Header (bits) +//char head[] = "11001100110011001010011001001100"; //"0110010010011111"; // M10: 64 9F , M2K2: 64 8F + //"0111011010011111"; // M10: 76 9F , w/ aux-data + //"0110010001001001"; // M10-dop: 64 49 09 + //"0110010010101111"; // M10+: 64 AF w/ gtop-GPS +static char rawheader[] = "10011001100110010100110010011001"; + +#define FRAME_LEN (100+1) // 0x64+1 +#define BITFRAME_LEN (FRAME_LEN*BITS) + +#define AUX_LEN 20 +#define BITAUX_LEN (AUX_LEN*BITS) + + +typedef struct { + int week; int tow_ms; int gpssec; + int jahr; int monat; int tag; + int wday; + int std; int min; float sek; + double lat; double lon; double alt; + double vH; double vD; double vV; + double vx; double vy; double vD2; + ui8_t numSV; + ui8_t utc_ofs; + char SN[12]; + ui8_t frame_bytes[FRAME_LEN+AUX_LEN+4]; + char frame_bits[BITFRAME_LEN+BITAUX_LEN+8]; + int auxlen; // 0 .. 0x76-0x64 + option_t option; +} gpx_t; + + +/* -------------------------------------------------------------------------- */ +/* + * Convert GPS Week and Seconds to Modified Julian Day. + * - Adapted from sci.astro FAQ. + * - Ignores UTC leap seconds. + */ +static void Gps2Date(long GpsWeek, long GpsSeconds, int *Year, int *Month, int *Day) { + + long GpsDays, Mjd; + long J, C, Y, M; + + GpsDays = GpsWeek * 7 + (GpsSeconds / 86400); + Mjd = 44244 + GpsDays; + + J = Mjd + 2468570; + C = 4 * J / 146097; + J = J - (146097 * C + 3) / 4; + Y = 4000 * (J + 1) / 1461001; + J = J - 1461 * Y / 4 + 31; + M = 80 * J / 2447; + *Day = J - 2447 * M / 80; + J = M / 11; + *Month = M + 2 - (12 * J); + *Year = 100 * (C - 49) + Y + J; +} +/* -------------------------------------------------------------------------- */ + +static int bits2bytes(char *bitstr, ui8_t *bytes) { + int i, bit, d, byteval; + int bitpos, bytepos; + + bitpos = 0; + bytepos = 0; + + while (bytepos < FRAME_LEN+AUX_LEN) { + + byteval = 0; + d = 1; + for (i = 0; i < BITS; i++) { + //bit=*(bitstr+bitpos+i); /* little endian */ + bit=*(bitstr+bitpos+7-i); /* big endian */ + // bit == 'x' ? + if (bit == '1') byteval += d; + else /*if ((bit == '0') || (bit == 'x'))*/ byteval += 0; + d <<= 1; + } + bitpos += BITS; + bytes[bytepos++] = byteval & 0xFF; + + } + + //while (bytepos < FRAME_LEN+AUX_LEN) bytes[bytepos++] = 0; + + return 0; +} + +/* -------------------------------------------------------------------------- */ + +/* +M10 w/ trimble GPS + +frame[0x0] = framelen +frame[0x1] = 0x9F (type M10) + +init/noGPS: frame[0x2]=0x23 +GPS: frame[0x2]=0x20 (GPS trimble pck 0x8F-20 sub-id) + +frame[0x02..0x21] = GPS trimble pck 0x8F-20 byte 0..31 (sub-id, vel, tow, lat, lon, alt, fix, NumSV, UTC-ofs, week) +frame[0x22..0x2D] = GPS trimble pck 0x8F-20 byte 32..55:2 (PRN 1..12 only) + +Trimble Copernicus II +GPS packet 0x8F-20 (p.138) +byte +0 sub-pck id (always 0x20) +2-3 velE (i16) 0.005m/s +4-5 velN (i16) 0.005m/s +6-7 velU (i16) 0.005m/s +8-11 TOW (ms) +12-15 lat (scale 2^32/360) (i32) -90..90 +16-19 lon (scale 2^32/360) (ui32) 0..360 <-> (i32) -180..180 +20-23 alt (i32) mm above ellipsoid) +24 bit0: vel-scale (0: 0.005m/s) +26 datum (1: WGS-84) +27 fix: bit0(0:valid fix, 1:invalid fix), bit2(0:3D, 1:2D) +28 numSVs +29 UTC offset = (GPS - UTC) sec +30-31 GPS week +32+2*n PRN_(n+1), bit0-5 + +frame[0x32..0x5C] sensors (rel.hum., temp.) +frame[0x5D..0x61] SN +frame[0x62] counter +frame[0x63..0x64] check (AUX len=0x76: frame[0x63..0x74], frame[0x75..0x76]) + + +6449/10sec-frame: +GPS trimble pck 0x47 (signal levels): numSats sat1 lev1 sat2 lev2 .. +frame[0x0] = framelen +frame[0x1] = 0x49 +frame[0x2] = numSats (max 12) +frame[0x3+2*n] = PRN_(n+1) +frame[0x4+2*n] = signal level (float32 -> i8-byte level) + +*/ +/* +M10 w/ Sierra Wireless Airprime X1110 + -> Trimble Copernicus II +*/ + + +#define stdFLEN 0x64 // pos[0]=0x64 +#define pos_GPSTOW 0x0A // 4 byte +#define pos_GPSlat 0x0E // 4 byte +#define pos_GPSlon 0x12 // 4 byte +#define pos_GPSalt 0x16 // 4 byte +#define pos_GPSsats 0x1E // 1 byte +#define pos_GPSutc 0x1F // 1 byte +#define pos_GPSweek 0x20 // 2 byte +//Velocity East-North-Up (ENU) +#define pos_GPSvE 0x04 // 2 byte +#define pos_GPSvN 0x06 // 2 byte +#define pos_GPSvU 0x08 // 2 byte +#define pos_SN 0x5D // 2+3 byte +#define pos_Check (stdFLEN-1) // 2 byte + + +#define ANSI_COLOR_RED "\x1b[31m" +#define ANSI_COLOR_GREEN "\x1b[32m" +#define ANSI_COLOR_YELLOW "\x1b[33m" +#define ANSI_COLOR_BLUE "\x1b[34m" +#define ANSI_COLOR_MAGENTA "\x1b[35m" +#define ANSI_COLOR_CYAN "\x1b[36m" +#define ANSI_COLOR_RESET "\x1b[0m" + +#define XTERM_COLOR_BROWN "\x1b[38;5;94m" // 38;5;{0..255}m + +#define col_GPSweek "\x1b[38;5;20m" // 2 byte +#define col_GPSTOW "\x1b[38;5;27m" // 4 byte +#define col_GPSdate "\x1b[38;5;94m" //111 +#define col_GPSlat "\x1b[38;5;34m" // 4 byte +#define col_GPSlon "\x1b[38;5;70m" // 4 byte +#define col_GPSalt "\x1b[38;5;82m" // 4 byte +#define col_GPSvel "\x1b[38;5;36m" // 6 byte +#define col_SN "\x1b[38;5;58m" // 3 byte +#define col_Check "\x1b[38;5;11m" // 2 byte +#define col_TXT "\x1b[38;5;244m" +#define col_FRTXT "\x1b[38;5;244m" +#define col_CSok "\x1b[38;5;2m" +#define col_CSno "\x1b[38;5;1m" + +/* +$ for code in {0..255} +> do echo -e "\e[38;5;${code}m"'\\e[38;5;'"$code"m"\e[0m" +> done +*/ + +static int get_GPSweek(gpx_t *gpx) { + int i; + unsigned byte; + ui8_t gpsweek_bytes[2]; + int gpsweek; + + gpx->numSV = gpx->frame_bytes[pos_GPSsats]; + gpx->utc_ofs = gpx->frame_bytes[pos_GPSutc]; + + for (i = 0; i < 2; i++) { + byte = gpx->frame_bytes[pos_GPSweek + i]; + gpsweek_bytes[i] = byte; + } + + gpsweek = (gpsweek_bytes[0] << 8) + gpsweek_bytes[1]; + + if (gpsweek > 4000) return -1; + + // Trimble Copernicus II WNRO (AirPrime XM1110 OK) + if (gpsweek < 1304 /*2005-01-02*/ ) gpsweek += 1024; + + gpx->week = gpsweek; + + return 0; +} + +//char weekday[7][3] = { "So", "Mo", "Di", "Mi", "Do", "Fr", "Sa"}; +static char weekday[7][4] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; + +static int get_GPStime(gpx_t *gpx) { + int i; + unsigned byte; + ui8_t gpstime_bytes[4]; + int gpstime, day; + int ms; + + for (i = 0; i < 4; i++) { + byte = gpx->frame_bytes[pos_GPSTOW + i]; + gpstime_bytes[i] = byte; + } + + gpstime = 0; + for (i = 0; i < 4; i++) { + gpstime |= gpstime_bytes[i] << (8*(3-i)); + } + + gpx->tow_ms = gpstime; + ms = gpstime % 1000; + gpstime /= 1000; + gpx->gpssec = gpstime; + + day = gpstime / (24 * 3600); + if ((day < 0) || (day > 6)) return -1; + + gpstime %= (24*3600); + + gpx->wday = day; + gpx->std = gpstime/3600; + gpx->min = (gpstime%3600)/60; + gpx->sek = gpstime%60 + ms/1000.0; + + return 0; +} + +static double B60B60 = (1<<30)/90.0; // 2^32/360 = 2^30/90 = 0xB60B60.711x + +static int get_GPSlat(gpx_t *gpx) { + int i; + unsigned byte; + ui8_t gpslat_bytes[4]; + int gpslat; + double lat; + + for (i = 0; i < 4; i++) { + byte = gpx->frame_bytes[pos_GPSlat + i]; + gpslat_bytes[i] = byte; + } + + gpslat = 0; + for (i = 0; i < 4; i++) { + gpslat |= gpslat_bytes[i] << (8*(3-i)); + } + lat = gpslat / B60B60; + gpx->lat = lat; + + return 0; +} + +static int get_GPSlon(gpx_t *gpx) { + int i; + unsigned byte; + ui8_t gpslon_bytes[4]; + int gpslon; + double lon; + + for (i = 0; i < 4; i++) { + byte = gpx->frame_bytes[pos_GPSlon + i]; + gpslon_bytes[i] = byte; + } + + gpslon = 0; + for (i = 0; i < 4; i++) { + gpslon |= gpslon_bytes[i] << (8*(3-i)); + } + lon = gpslon / B60B60; + gpx->lon = lon; + + return 0; +} + +static int get_GPSalt(gpx_t *gpx) { + int i; + unsigned byte; + ui8_t gpsalt_bytes[4]; + int gpsalt; + double alt; + + for (i = 0; i < 4; i++) { + byte = gpx->frame_bytes[pos_GPSalt + i]; + gpsalt_bytes[i] = byte; + } + + gpsalt = 0; + for (i = 0; i < 4; i++) { + gpsalt |= gpsalt_bytes[i] << (8*(3-i)); + } + alt = gpsalt / 1000.0; + gpx->alt = alt; + + return 0; +} + +static int get_GPSvel(gpx_t *gpx) { + int i; + unsigned byte; + ui8_t gpsVel_bytes[2]; + short vel16; + double vx, vy, dir, alpha; + const double ms2kn100 = 2e2; // m/s -> knots: 1 m/s = 3.6/1.852 kn = 1.94 kn + + for (i = 0; i < 2; i++) { + byte = gpx->frame_bytes[pos_GPSvE + i]; + gpsVel_bytes[i] = byte; + } + vel16 = gpsVel_bytes[0] << 8 | gpsVel_bytes[1]; + vx = vel16 / ms2kn100; // ost + + for (i = 0; i < 2; i++) { + byte = gpx->frame_bytes[pos_GPSvN + i]; + gpsVel_bytes[i] = byte; + } + vel16 = gpsVel_bytes[0] << 8 | gpsVel_bytes[1]; + vy= vel16 / ms2kn100; // nord + + gpx->vx = vx; + gpx->vy = vy; + gpx->vH = sqrt(vx*vx+vy*vy); +///* + alpha = atan2(vy, vx)*180/M_PI; // ComplexPlane (von x-Achse nach links) - GeoMeteo (von y-Achse nach rechts) + dir = 90-alpha; // z=x+iy= -> i*conj(z)=y+ix=re(i(pi/2-t)), Achsen und Drehsinn vertauscht + if (dir < 0) dir += 360; // atan2(y,x)=atan(y/x)=pi/2-atan(x/y) , atan(1/t) = pi/2 - atan(t) + gpx->vD2 = dir; +//*/ + dir = atan2(vx, vy) * 180 / M_PI; + if (dir < 0) dir += 360; + gpx->vD = dir; + + for (i = 0; i < 2; i++) { + byte = gpx->frame_bytes[pos_GPSvU + i]; + gpsVel_bytes[i] = byte; + } + vel16 = gpsVel_bytes[0] << 8 | gpsVel_bytes[1]; + gpx->vV = vel16 / ms2kn100; + + return 0; +} + +static int get_SN(gpx_t *gpx) { + int i; + unsigned byte; + ui8_t sn_bytes[5]; + + for (i = 0; i < 11; i++) gpx->SN[i] = ' '; gpx->SN[11] = '\0'; + + for (i = 0; i < 5; i++) { + byte = gpx->frame_bytes[pos_SN + i]; + sn_bytes[i] = byte; + } + + byte = sn_bytes[2]; + sprintf(gpx->SN, "%1X%02u", (byte>>4)&0xF, byte&0xF); + byte = sn_bytes[3] | (sn_bytes[4]<<8); + sprintf(gpx->SN+3, " %1X %1u%04u", sn_bytes[0]&0xF, (byte>>13)&0x7, byte&0x1FFF); + + return 0; +} + +/* -------------------------------------------------------------------------- */ +/* +g : F^n -> F^16 // checksum, linear +g(m||b) = f(g(m),b) + +// update checksum +f : F^16 x F^8 -> F^16 linear + +010100001000000101000000 +001010000100000010100000 +000101000010000001010000 +000010100001000000101000 +000001010000100000010100 +100000100000010000001010 +000000011010100000000100 +100000000101010000000010 +000000001000000000000000 +000000000100000000000000 +000000000010000000000000 +000000000001000000000000 +000000000000100000000000 +000000000000010000000000 +000000000000001000000000 +000000000000000100000000 +*/ + +static int update_checkM10(int c, ui8_t b) { + int c0, c1, t, t6, t7, s; + + c1 = c & 0xFF; + + // B + b = (b >> 1) | ((b & 1) << 7); + b ^= (b >> 2) & 0xFF; + + // A1 + t6 = ( c & 1) ^ ((c>>2) & 1) ^ ((c>>4) & 1); + t7 = ((c>>1) & 1) ^ ((c>>3) & 1) ^ ((c>>5) & 1); + t = (c & 0x3F) | (t6 << 6) | (t7 << 7); + + // A2 + s = (c >> 7) & 0xFF; + s ^= (s >> 2) & 0xFF; + + + c0 = b ^ t ^ s; + + return ((c1<<8) | c0) & 0xFFFF; +} + +static int checkM10(ui8_t *msg, int len) { + int i, cs; + + cs = 0; + for (i = 0; i < len; i++) { + cs = update_checkM10(cs, msg[i]); + } + + return cs & 0xFFFF; +} + +/* -------------------------------------------------------------------------- */ + +// Temperatur Sensor +// NTC-Thermistor Shibaura PB5-41E +// +static float get_Temp(gpx_t *gpx, int csOK) { +// NTC-Thermistor Shibaura PB5-41E +// T00 = 273.15 + 0.0 , R00 = 15e3 +// T25 = 273.15 + 25.0 , R25 = 5.369e3 +// B00 = 3450.0 Kelvin // 0C..100C, poor fit low temps +// [ T/C , R/1e3 ] ( [P__-43]/2.0 ): +// [ -50.0 , 204.0 ] +// [ -45.0 , 150.7 ] +// [ -40.0 , 112.6 ] +// [ -35.0 , 84.90 ] +// [ -30.0 , 64.65 ] +// [ -25.0 , 49.66 ] +// [ -20.0 , 38.48 ] +// [ -15.0 , 30.06 ] +// [ -10.0 , 23.67 ] +// [ -5.0 , 18.78 ] +// [ 0.0 , 15.00 ] +// [ 5.0 , 12.06 ] +// [ 10.0 , 9.765 ] +// [ 15.0 , 7.955 ] +// [ 20.0 , 6.515 ] +// [ 25.0 , 5.370 ] +// [ 30.0 , 4.448 ] +// [ 35.0 , 3.704 ] +// [ 40.0 , 3.100 ] +// -> Steinhart–Hart coefficients (polyfit): + float p0 = 1.07303516e-03, + p1 = 2.41296733e-04, + p2 = 2.26744154e-06, + p3 = 6.52855181e-08; +// T/K = 1/( p0 + p1*ln(R) + p2*ln(R)^2 + p3*ln(R)^3 ) + + // range/scale 0, 1, 2: // M10-pcb + float Rs[3] = { 12.1e3 , 36.5e3 , 475.0e3 }; // bias/series + float Rp[3] = { 1e20 , 330.0e3 , 3000.0e3 }; // parallel, Rp[0]=inf + + ui8_t scT; // {0,1,2}, range/scale voltage divider + ui16_t ADC_RT; // ADC12 P6.7(A7) , adr_0377h,adr_0376h + ui16_t Tcal[2]; // adr_1000h[scT*4] + + float adc_max = 4095.0; // ADC12 + float x, R; + float T = 0; // T/Kelvin + + scT = gpx->frame_bytes[0x3E]; // adr_0455h + ADC_RT = (gpx->frame_bytes[0x40] << 8) | gpx->frame_bytes[0x3F]; + ADC_RT -= 0xA000; + Tcal[0] = (gpx->frame_bytes[0x42] << 8) | gpx->frame_bytes[0x41]; + Tcal[1] = (gpx->frame_bytes[0x44] << 8) | gpx->frame_bytes[0x43]; + + x = (adc_max-ADC_RT)/ADC_RT; // (Vcc-Vout)/Vout + if (scT < 3) R = Rs[scT] /( x - Rs[scT]/Rp[scT] ); + else R = -1; + + if (R > 0) T = 1/( p0 + p1*log(R) + p2*log(R)*log(R) + p3*log(R)*log(R)*log(R) ); + + if (gpx->option.vbs >= 3 && csOK) { // on-chip temperature + ui16_t ADC_Ti_raw = (gpx->frame_bytes[0x49] << 8) | gpx->frame_bytes[0x48]; // int.temp.diode, ref: 4095->1.5V + float vti, ti; + // INCH1A (temp.diode), slau144 + vti = ADC_Ti_raw/4095.0 * 1.5; // V_REF+ = 1.5V, no calibration + ti = (vti-0.986)/0.00355; // 0.986/0.00355=277.75, 1.5/4095/0.00355=0.1032 + fprintf(stdout, " (Ti:%.1fC)", ti); + // SegmentA-Calibration: + //ui16_t T30 = adr_10e2h; // CAL_ADC_15T30 + //ui16_t T85 = adr_10e4h; // CAL_ADC_15T85 + //float tic = (ADC_Ti_raw-T30)*(85.0-30.0)/(T85-T30) + 30.0; + //fprintf(stdout, " (Tic:%.1fC)", tic); + } + + return T - 273.15; // Celsius +} +/* +frame[0x32]: adr_1074h +frame[0x33]: adr_1075h +frame[0x34]: adr_1076h + +frame[0x35..0x37]: TBCCR1 ; relHumCap-freq + +frame[0x38]: adr_1078h +frame[0x39]: adr_1079h +frame[0x3A]: adr_1077h +frame[0x3B]: adr_100Ch +frame[0x3C..3D]: 0 + + +frame[0x3E]: scale_index ; scale/range-index +frame[0x3F..40] = ADC12_A7 | 0xA000, V_R+=AVcc ; Thermistor + +frame[0x41]: adr_1000h[scale_index*4] +frame[0x42]: adr_1000h[scale_index*4+1] +frame[0x43]: adr_1000h[scale_index*4+2] +frame[0x44]: adr_1000h[scale_index*4+3] + +frame[0x45..46]: ADC12_A5/4, V_R+=2.5V +frame[0x47]: ADC12_A2/16 , V_R+=2.5V +frame[0x48..49]: ADC12_iT, V_R+=1.5V (int.Temp.diode) +frame[0x4C..4D]: ADC12_A6, V_R+=2.5V +frame[0x4E..4F]: ADC12_A3, V_R+=AVcc +frame[0x50..54]: 0; +frame[0x55..56]: ADC12_A1, V_R+=AVcc +frame[0x57..58]: ADC12_A0, V_R+=AVcc +frame[0x59..5A]: ADC12_A4, V_R+=AVcc // ntc2: R(25C)=2.2k, Rs=22.1e3 (relHumCap-Temp) + +frame[0x5B]: +frame[0x5C]: adr_108Eh + + +frame[0x5D]: adr_1082h (SN) +frame[0x5E]: adr_1083h (SN) +frame[0x5F]: adr_1084h (SN) +frame[0x60]: adr_1080h (SN) +frame[0x61]: adr_1081h (SN) +*/ +static float get_Tntc2(gpx_t *gpx, int csOK) { +// SMD ntc + float Rs = 22.1e3; // P5.6=Vcc +// float R25 = 2.2e3; +// float b = 3650.0; // B/Kelvin +// float T25 = 25.0 + 273.15; // T0=25C, R0=R25=5k +// -> Steinhart–Hart coefficients (polyfit): + float p0 = 4.42606809e-03, + p1 = -6.58184309e-04, + p2 = 8.95735557e-05, + p3 = -2.84347503e-06; + float T = 0.0; // T/Kelvin + ui16_t ADC_ntc2; // ADC12 P6.4(A4) + float x, R; + if (csOK) + { + ADC_ntc2 = (gpx->frame_bytes[0x5A] << 8) | gpx->frame_bytes[0x59]; + x = (4095.0 - ADC_ntc2)/ADC_ntc2; // (Vcc-Vout)/Vout + R = Rs / x; + //if (R > 0) T = 1/(1/T25 + 1/b * log(R/R25)); + if (R > 0) T = 1/( p0 + p1*log(R) + p2*log(R)*log(R) + p3*log(R)*log(R)*log(R) ); + } + return T - 273.15; +} + +// Humidity Sensor +// U.P.S.I. +// +#define FREQ_CAPCLK (8e6/2) // 8 MHz XT2 crystal, InputDivider IDx=01 (/2) +#define LN2 0.693147181 +#define ADR_108A 1000.0 // 0x3E8=1000 + +static float get_count_RH(gpx_t *gpx) { // capture 1000 rising edges + ui32_t TBCCR1_1000 = gpx->frame_bytes[0x35] | (gpx->frame_bytes[0x36]<<8) | (gpx->frame_bytes[0x37]<<16); + return TBCCR1_1000 / ADR_108A; +} +static float get_TLC555freq(gpx_t *gpx) { + return FREQ_CAPCLK / get_count_RH(gpx); +} +/* +double get_C_RH() { // TLC555 astable: R_A=3.65k, R_B=338k + double R_B = 338e3; + double R_A = 3.65e3; + double C_RH = 1/get_TLC555freq() / (LN2 * (R_A + 2*R_B)); + return C_RH; +} +double get_RH(int csOK) { +// U.P.S.I. +// C_RH/C_55 = 0.8955 + 0.002*RH , T=20C +// C_RH = C_RH(RH,T) , RH = RH(C_RH,T) +// C_RH/C_55 approx.eq. count_RH/count_ref +// c55=270pF? diff=C_55-c55, T=20C + ui32_t c = gpx->frame_bytes[0x32] | (gpx->frame_bytes[0x33]<<8) | (gpx->frame_bytes[0x34]<<16); // CalRef 55%RH , T=20C ? + double count_ref = c / ADR_108A; // CalRef 55%RH , T=20C ? + double C_RH = get_C_RH(); + double T = get_Tntc2(csOK); + return 0; +} +*/ +/* -------------------------------------------------------------------------- */ + +static int print_pos(gpx_t *gpx, int csOK) { + int err, err2; + + err = 0; + err |= get_GPSweek(gpx); + err |= get_GPStime(gpx); + err |= get_GPSlat(gpx); + err |= get_GPSlon(gpx); + err |= get_GPSalt(gpx); + err2 = get_GPSvel(gpx); + + if (!err) { + + Gps2Date(gpx->week, gpx->gpssec, &gpx->jahr, &gpx->monat, &gpx->tag); + + if (gpx->option.col) { + fprintf(stdout, col_TXT); + if (gpx->option.vbs >= 3) fprintf(stdout, " (W "col_GPSweek"%d"col_TXT") ", gpx->week); + fprintf(stdout, col_GPSTOW"%s"col_TXT" ", weekday[gpx->wday]); + fprintf(stdout, col_GPSdate"%04d-%02d-%02d"col_TXT" "col_GPSTOW"%02d:%02d:%06.3f"col_TXT" ", + gpx->jahr, gpx->monat, gpx->tag, gpx->std, gpx->min, gpx->sek); + fprintf(stdout, " lat: "col_GPSlat"%.5f"col_TXT" ", gpx->lat); + fprintf(stdout, " lon: "col_GPSlon"%.5f"col_TXT" ", gpx->lon); + fprintf(stdout, " alt: "col_GPSalt"%.2f"col_TXT" ", gpx->alt); + if (!err2) { + //if (gpx->option.vbs == 2) fprintf(stdout, " "col_GPSvel"(%.1f , %.1f : %.1f)"col_TXT" ", gpx->vx, gpx->vy, gpx->vD2); + fprintf(stdout, " vH: "col_GPSvel"%.1f"col_TXT" D: "col_GPSvel"%.1f"col_TXT" vV: "col_GPSvel"%.1f"col_TXT" ", gpx->vH, gpx->vD, gpx->vV); + } + if (gpx->option.vbs >= 2) { + get_SN(gpx); + fprintf(stdout, " SN: "col_SN"%s"col_TXT, gpx->SN); + } + if (gpx->option.vbs >= 2) { + fprintf(stdout, " # "); + if (csOK) fprintf(stdout, " "col_CSok"[OK]"col_TXT); + else fprintf(stdout, " "col_CSno"[NO]"col_TXT); + } + if (gpx->option.ptu) { + float t = get_Temp(gpx, csOK); + if (t > -270.0) fprintf(stdout, " T=%.1fC ", t); + if (gpx->option.vbs >= 3) { + float t2 = get_Tntc2(gpx, csOK); + float fq555 = get_TLC555freq(gpx); + if (t2 > -270.0) fprintf(stdout, " (T2:%.1fC) (%.3fkHz) ", t2, fq555/1e3); + } + } + fprintf(stdout, ANSI_COLOR_RESET""); + } + else { + if (gpx->option.vbs >= 3) fprintf(stdout, " (W %d) ", gpx->week); + fprintf(stdout, "%s ", weekday[gpx->wday]); + fprintf(stdout, "%04d-%02d-%02d %02d:%02d:%06.3f ", + gpx->jahr, gpx->monat, gpx->tag, gpx->std, gpx->min, gpx->sek); + fprintf(stdout, " lat: %.5f ", gpx->lat); + fprintf(stdout, " lon: %.5f ", gpx->lon); + fprintf(stdout, " alt: %.2f ", gpx->alt); + if (!err2) { + //if (gpx->option.vbs == 2) fprintf(stdout, " (%.1f , %.1f : %.1f) ", gpx->vx, gpx->vy, gpx->vD2); + fprintf(stdout, " vH: %.1f D: %.1f vV: %.1f ", gpx->vH, gpx->vD, gpx->vV); + } + if (gpx->option.vbs >= 2) { + get_SN(gpx); + fprintf(stdout, " SN: %s", gpx->SN); + } + if (gpx->option.vbs >= 2) { + fprintf(stdout, " # "); + if (csOK) fprintf(stdout, " [OK]"); else fprintf(stdout, " [NO]"); + } + if (gpx->option.ptu) { + float t = get_Temp(gpx, csOK); + if (t > -270.0) fprintf(stdout, " T=%.1fC ", t); + if (gpx->option.vbs >= 3) { + float t2 = get_Tntc2(gpx, csOK); + float fq555 = get_TLC555freq(gpx); + if (t2 > -270.0) fprintf(stdout, " (T2:%.1fC) (%.3fkHz) ", t2, fq555/1e3); + } + } + } + fprintf(stdout, "\n"); + + + if (gpx->option.jsn) { + // Print out telemetry data as JSON + if (csOK) { + int j; + char sn_id[4+12] = "M10-"; + // UTC = GPS - UTC_OFS (ab 1.1.2017: UTC_OFS=18sec) + int utc_s = gpx->gpssec - gpx->utc_ofs; + int utc_week = gpx->week; + int utc_jahr; int utc_monat; int utc_tag; + int utc_std; int utc_min; float utc_sek; + if (utc_s < 0) { + utc_week -= 1; + utc_s += 604800; // 604800sec = 1week + } + Gps2Date(utc_week, utc_s, &utc_jahr, &utc_monat, &utc_tag); + utc_s %= (24*3600); // 86400sec = 1day + utc_std = utc_s/3600; + utc_min = (utc_s%3600)/60; + utc_sek = utc_s%60 + (gpx->tow_ms % 1000)/1000.0; + + strncpy(sn_id+4, gpx->SN, 12); + sn_id[15] = '\0'; + for (j = 0; sn_id[j]; j++) { if (sn_id[j] == ' ') sn_id[j] = '-'; } + + fprintf(stdout, "{ \"id\": \"%s\", \"datetime\": \"%04d-%02d-%02dT%02d:%02d:%06.3fZ\", \"lat\": %.5f, \"lon\": %.5f, \"alt\": %.5f, \"vel_h\": %.5f, \"heading\": %.5f, \"vel_v\": %.5f, \"sats\": %d", + sn_id, utc_jahr, utc_monat, utc_tag, utc_std, utc_min, utc_sek, gpx->lat, gpx->lon, gpx->alt, gpx->vH, gpx->vD, gpx->vV, gpx->numSV); + if (gpx->option.ptu) { + float t = get_Temp(gpx, 0); + if (t > -273.0) fprintf(stdout, ", \"temp\": %.1f", t); + } + fprintf(stdout, " }\n"); + fprintf(stdout, "\n"); + } + } + + } + + return !err; +} + +static int print_frame(gpx_t *gpx, int pos, dsp_t *dsp) { + int i; + ui8_t byte; + int cs1, cs2; + int flen = stdFLEN; // stdFLEN=0x64, auxFLEN=0x76 + + bits2bytes(gpx->frame_bits, gpx->frame_bytes); + flen = gpx->frame_bytes[0]; + if (flen == stdFLEN) gpx->auxlen = 0; + else { + gpx->auxlen = flen - stdFLEN; + if (gpx->auxlen < 0 || gpx->auxlen > AUX_LEN) gpx->auxlen = 0; + } + + cs1 = (gpx->frame_bytes[pos_Check+gpx->auxlen] << 8) | gpx->frame_bytes[pos_Check+gpx->auxlen+1]; + cs2 = checkM10(gpx->frame_bytes, pos_Check+gpx->auxlen); + + if (gpx->option.raw) { + + if (gpx->option.col && gpx->frame_bytes[1] != 0x49) { + fprintf(stdout, col_FRTXT); + for (i = 0; i < FRAME_LEN+gpx->auxlen; i++) { + byte = gpx->frame_bytes[i]; + if ((i >= pos_GPSTOW) && (i < pos_GPSTOW+4)) fprintf(stdout, col_GPSTOW); + if ((i >= pos_GPSlat) && (i < pos_GPSlat+4)) fprintf(stdout, col_GPSlat); + if ((i >= pos_GPSlon) && (i < pos_GPSlon+4)) fprintf(stdout, col_GPSlon); + if ((i >= pos_GPSalt) && (i < pos_GPSalt+4)) fprintf(stdout, col_GPSalt); + if ((i >= pos_GPSweek) && (i < pos_GPSweek+2)) fprintf(stdout, col_GPSweek); + if ((i >= pos_GPSvE) && (i < pos_GPSvE+6)) fprintf(stdout, col_GPSvel); + if ((i >= pos_SN) && (i < pos_SN+5)) fprintf(stdout, col_SN); + if ((i >= pos_Check+gpx->auxlen) && (i < pos_Check+gpx->auxlen+2)) fprintf(stdout, col_Check); + fprintf(stdout, "%02x", byte); + fprintf(stdout, col_FRTXT); + } + if (gpx->option.vbs) { + fprintf(stdout, " # "col_Check"%04x"col_FRTXT, cs2); + if (cs1 == cs2) fprintf(stdout, " "col_CSok"[OK]"col_TXT); + else fprintf(stdout, " "col_CSno"[NO]"col_TXT); + } + fprintf(stdout, ANSI_COLOR_RESET"\n"); + } + else { + for (i = 0; i < FRAME_LEN+gpx->auxlen; i++) { + byte = gpx->frame_bytes[i]; + fprintf(stdout, "%02x", byte); + } + if (gpx->option.vbs) { + fprintf(stdout, " # %04x", cs2); + if (cs1 == cs2) fprintf(stdout, " [OK]"); else fprintf(stdout, " [NO]"); + } + fprintf(stdout, "\n"); + } + + } + else if (gpx->frame_bytes[1] == 0x49) { + if (gpx->option.vbs == 3) { + for (i = 0; i < FRAME_LEN+gpx->auxlen; i++) { + byte = gpx->frame_bytes[i]; + fprintf(stdout, "%02x", byte); + } + fprintf(stdout, "\n"); + } + } + else { + int ret = 0; + pthread_mutex_lock( dsp->thd.mutex ); + fprintf(stdout, "<%d> ", dsp->thd.tn); + ret = print_pos(gpx, cs1 == cs2); + if (ret==0) fprintf(stdout, "\n"); + pthread_mutex_unlock( dsp->thd.mutex ); + } + + return (gpx->frame_bytes[0]<<8)|gpx->frame_bytes[1]; +} + +/* -------------------------------------------------------------------------- */ + + +void *thd_m10(void *targs) { // pcm_t *pcm, double xlt_fq + + thargs_t *tharg = targs; + pcm_t *pcm = &(tharg->pcm); + + + //int option_inv = 0; // invertiert Signal + int option_iq = 5; + int option_dc = 0; + int spike = 0; + + + int k; + + int bit, bit0; + int bitpos = 0; + int bitQ = 0; + int pos; + + //int headerlen = 0; + + int header_found = 0; + + float thres = 0.76; + float _mv = 0.0; + + int symlen = 2; + int bitofs = 0; // 0 .. +2 + int shift = 0; + + dsp_t dsp = {0}; //memset(&dsp, 0, sizeof(dsp)); + + gpx_t gpx = {0}; + +/* +#ifdef CYGWIN + _setmode(fileno(stdin), _O_BINARY); // _setmode(_fileno(stdin), _O_BINARY); +#endif + setbuf(stdout, NULL); +*/ + + gpx.option.inv = 0; // irrelevant + gpx.option.vbs = 2; + gpx.option.ptu = 1; + gpx.option.col = 0; //option_color; + + + // init gpx + + pcm->sel_ch = 0; + + // m10: BT>1?, h=1.2 ? + symlen = 2; + + // init dsp + // + dsp.fp = pcm->fp; + dsp.sr = pcm->sr; + dsp.sr_base = pcm->sr_base; + dsp.dectaps = pcm->dectaps; + dsp.decM = pcm->decM; + + dsp.thd = tharg->thd; + + dsp.bps = pcm->bps; + dsp.nch = pcm->nch; + dsp.ch = pcm->sel_ch; + dsp.br = (float)BAUD_RATE; + dsp.sps = (float)dsp.sr/dsp.br; + dsp.symlen = symlen; + dsp.symhd = 1; // M10!header + dsp._spb = dsp.sps*symlen; + dsp.hdr = rawheader; + dsp.hdrlen = strlen(rawheader); + dsp.BT = 1.8; // bw/time (ISI) // 1.0..2.0 + dsp.h = 0.9; // 1.2 modulation index + dsp.opt_iq = option_iq; + + if ( dsp.sps < 8 ) { + fprintf(stderr, "note: sample rate low (%.1f sps)\n", dsp.sps); + } + + //headerlen = dsp.hdrlen; + + k = init_buffers(&dsp); + if ( k < 0 ) { + fprintf(stderr, "error: init buffers\n"); + return NULL; + }; + + + bitofs += shift; + + + bitQ = 0; + while ( 1 && bitQ != EOF ) + { + header_found = find_header(&dsp, thres, 2, bitofs, option_dc); + _mv = dsp.mv; + + if (header_found == EOF) break; + + // mv == correlation score + if (_mv*(0.5-gpx.option.inv) < 0) { + gpx.option.inv ^= 0x1; // M10: irrelevant + } + + + if (header_found) { + + bitpos = 0; + pos = 0; + pos /= 2; + bit0 = '0'; // oder: _mv[j] > 0 + + while ( pos < BITFRAME_LEN+BITAUX_LEN ) { + + if (option_iq >= 2) { + float bl = -1; + if (option_iq > 2) bl = 4.0; + bitQ = read_slbit(&dsp, &bit, 0/*gpx.option.inv*/, bitofs, bitpos, bl, 0); + } + else { + bitQ = read_slbit(&dsp, &bit, 0/*gpx.option.inv*/, bitofs, bitpos, -1, spike); // symlen=2 + } + + if ( bitQ == EOF ) { break; } + + gpx.frame_bits[pos] = 0x31 ^ (bit0 ^ bit); + pos++; + bit0 = bit; + bitpos += 1; + } + gpx.frame_bits[pos] = '\0'; + print_frame(&gpx, pos, &dsp); + if (pos < BITFRAME_LEN) break; + + header_found = 0; + + // bis Ende der Sekunde vorspulen; allerdings Doppel-Frame alle 10 sek + if (gpx.option.vbs < 3) { // && (regulare frame) // print_frame-return? + while ( bitpos < 5*BITFRAME_LEN ) { + bitQ = read_slbit(&dsp, &bit, 0/*gpx.option.inv*/, bitofs, bitpos, -1, spike); // symlen=2 + if ( bitQ == EOF) break; + bitpos++; + } + } + + pos = 0; + } + } + + free_buffers(&dsp); + + + return NULL; +} + diff --git a/demod/multi/rs_multi.c b/demod/multi/rs_multi.c index 7b1bdfa..a28136f 100644 --- a/demod/multi/rs_multi.c +++ b/demod/multi/rs_multi.c @@ -4,10 +4,11 @@ gcc -O2 -c demod_base.c gcc -O2 -c bch_ecc_mod.c gcc -O2 -c rs41base.c gcc -O2 -c dfm09base.c -gcc -O2 rs_multi.c demod_base.o bch_ecc_mod.o rs41base.o dfm09base.o -lm -pthread +gcc -O2 -c m10base.c +gcc -O2 rs_multi.c demod_base.o bch_ecc_mod.o rs41base.o dfm09base.o m10base.o -lm -pthread -./a.out --rs41 [--dfm ..] baseband_IQ.wav --0.5 < fq < 0.5 +./a.out --rs41 --dfm --m10 baseband_IQ.wav +-0.5 < fq < 0.5 , fq=freq/sr */ @@ -32,6 +33,7 @@ int rbf1; // extern in demod_base.c void *thd_rs41(void *); void *thd_dfm09(void *); +void *thd_m10(void *); #define IF_SAMPLE_RATE 48000 @@ -123,6 +125,19 @@ int main(int argc, char **argv) { xlt_cnt++; } } + else if (strcmp(*argv, "--m10") == 0) { + double fq = 0.0; + ++argv; + if (*argv) fq = atof(*argv); + else return -1; + if (fq < -0.5) fq = -0.5; + if (fq > 0.5) fq = 0.5; + if (xlt_cnt < MAX_FQ) { + base_fqs[xlt_cnt] = fq; + rstype[xlt_cnt] = thd_m10; + xlt_cnt++; + } + } else if (strcmp(*argv, "-") == 0) { int sample_rate = 0, bits_sample = 0, channels = 0; ++argv;