Merge remote-tracking branch 'upstream/master'
This commit is contained in:
terribl
commit
143606209e
118
dump1090.c
118
dump1090.c
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@ -56,7 +56,7 @@
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// MinorVer changes when additional features are added, but not for bug fixes (range 00-99)
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// DayDate & Year changes for all changes, including for bug fixes. It represent the release date of the update
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//
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#define MODES_DUMP1090_VERSION "1.06.2105.13"
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#define MODES_DUMP1090_VERSION "1.06.2205.13"
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#define MODES_USER_LATITUDE_DFLT (0.0)
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#define MODES_USER_LONGITUDE_DFLT (0.0)
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@ -227,6 +227,7 @@ struct {
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/* Configuration */
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char *filename; /* Input form file, --ifile option. */
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int phase_enhance; /* Enable phase enhancement if true */
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int fix_errors; /* Single bit error correction if true. */
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int check_crc; /* Only display messages with good CRC. */
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int raw; /* Raw output format. */
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@ -264,7 +265,10 @@ struct {
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/* Statistics */
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unsigned int stat_valid_preamble;
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unsigned int stat_demodulated;
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unsigned int stat_demodulated0;
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unsigned int stat_demodulated1;
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unsigned int stat_demodulated2;
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unsigned int stat_demodulated3;
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unsigned int stat_goodcrc;
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unsigned int stat_badcrc;
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unsigned int stat_fixed;
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@ -273,6 +277,15 @@ struct {
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unsigned int stat_http_requests;
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unsigned int stat_sbs_connections;
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unsigned int stat_out_of_phase;
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unsigned int stat_ph_demodulated0;
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unsigned int stat_ph_demodulated1;
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unsigned int stat_ph_demodulated2;
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unsigned int stat_ph_demodulated3;
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unsigned int stat_ph_goodcrc;
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unsigned int stat_ph_badcrc;
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unsigned int stat_ph_fixed;
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unsigned int stat_ph_single_bit_fix;
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unsigned int stat_ph_two_bits_fix;
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unsigned int stat_DF_Len_Corrected;
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unsigned int stat_DF_Type_Corrected;
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unsigned int stat_ModeAC;
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@ -998,7 +1011,6 @@ int detectModeA(uint16_t *m, struct modesMessage *mm)
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if ((ModeABits < 3) || (ModeABits & 0xFFFF8808) || (ModeAErrs) )
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{return (ModeABits = 0);}
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memset(mm, 0, sizeof(*mm));
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fSig = (fSig + 0x7F) >> 8;
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mm->signalLevel = ((fSig < 255) ? fSig : 255);
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@ -1718,8 +1730,6 @@ void decodeModesMessage(struct modesMessage *mm, unsigned char *msg) {
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// Get the message type ASAP as other operations depend on this
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mm->msgtype = msg[0] >> 3; // Downlink Format
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mm->msgbits = modesMessageLenByType(mm->msgtype);
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mm->correctedbits = 0; // No errors fixed
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mm->phase_corrected = 0;
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mm->crc = modesChecksum(msg, mm->msgbits);
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if ((mm->crc) && (Modes.fix_errors) && ((mm->msgtype == 17) || (mm->msgtype == 18))) {
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@ -2288,11 +2298,14 @@ void applyPhaseCorrection(uint16_t *pPayload) {
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* size 'mlen' bytes. Every detected Mode S message is convert it into a
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* stream of bits and passed to the function to display it. */
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void detectModeS(uint16_t *m, uint32_t mlen) {
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struct modesMessage mm;
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unsigned char msg[MODES_LONG_MSG_BYTES], *pMsg;
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uint16_t aux[MODES_LONG_MSG_SAMPLES];
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uint32_t j;
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int use_correction = 0;
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memset(&mm, 0, sizeof(mm));
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/* The Mode S preamble is made of impulses of 0.5 microseconds at
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* the following time offsets:
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*
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@ -2318,7 +2331,6 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
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*/
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for (j = 0; j < mlen; j++) {
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int high, i, errors, errors56, errorsTy;
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int good_message = 0;
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uint16_t *pPreamble, *pPayload, *pPtr;
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uint8_t theByte, theErrs;
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int msglen, scanlen, sigStrength;
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@ -2326,12 +2338,18 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
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pPreamble = &m[j];
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pPayload = &m[j+MODES_PREAMBLE_SAMPLES];
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// Rather than clear the whole mm structure, just clear the parts which are required. The clear
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// is required for every bit of the input stream, and we don't want to be memset-ing the whole
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// modesMessage structure two million times per second if we don't have to..
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mm.bFlags =
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mm.crcok =
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mm.correctedbits = 0;
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if (!use_correction) // This is not a re-try with phase correction
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{ // so try to find a new preamble
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if (Modes.mode_ac)
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{
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struct modesMessage mm;
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int ModeA = detectModeA(pPreamble, &mm);
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if (ModeA) // We have found a valid ModeA/C in the data
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@ -2529,13 +2547,12 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
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if ( (msglen)
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&& (sigStrength > MODES_MSG_SQUELCH_LEVEL)
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&& (errors <= MODES_MSG_ENCODER_ERRS) ) {
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struct modesMessage mm;
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memset(&mm, 0, sizeof(mm));
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// Set initial mm structure details
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mm.timestampMsg = Modes.timestampBlk + (j*6);
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sigStrength = (sigStrength + 0x7F) >> 8;
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mm.signalLevel = ((sigStrength < 255) ? sigStrength : 255);
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mm.phase_corrected = use_correction;
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// Decode the received message
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decodeModesMessage(&mm, msg);
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@ -2543,10 +2560,41 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
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// Update statistics
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if (Modes.stats) {
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if (mm.crcok || use_correction || mm.correctedbits) {
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if (errors == 0) Modes.stat_demodulated++;
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if (use_correction) {
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switch (errors) {
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case 0: {Modes.stat_ph_demodulated0++; break;}
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case 1: {Modes.stat_ph_demodulated1++; break;}
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case 2: {Modes.stat_ph_demodulated2++; break;}
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default:{Modes.stat_ph_demodulated3++; break;}
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}
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} else {
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switch (errors) {
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case 0: {Modes.stat_demodulated0++; break;}
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case 1: {Modes.stat_demodulated1++; break;}
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case 2: {Modes.stat_demodulated2++; break;}
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default:{Modes.stat_demodulated3++; break;}
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}
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}
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if (mm.correctedbits == 0) {
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if (mm.crcok) {Modes.stat_goodcrc++;}
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else {Modes.stat_badcrc++;}
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if (use_correction) {
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if (mm.crcok) {Modes.stat_ph_goodcrc++;}
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else {Modes.stat_ph_badcrc++;}
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} else {
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if (mm.crcok) {Modes.stat_goodcrc++;}
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else {Modes.stat_badcrc++;}
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}
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} else if (use_correction) {
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Modes.stat_ph_badcrc++;
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Modes.stat_ph_fixed++;
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if (mm.correctedbits == 1) {
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Modes.stat_ph_single_bit_fix++;
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} else if (mm.correctedbits == 2) {
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Modes.stat_ph_two_bits_fix++;
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}
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} else {
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Modes.stat_badcrc++;
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Modes.stat_fixed++;
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@ -2575,9 +2623,6 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
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// Skip this message if we are sure it's fine
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if (mm.crcok) {
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j += (MODES_PREAMBLE_US+msglen)*2;
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good_message = 1;
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if (use_correction)
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mm.phase_corrected = 1;
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}
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// Pass data to the next layer
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@ -2590,8 +2635,8 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
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}
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}
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// Retry with phase correction if possible.
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if (!good_message && !use_correction && j && detectOutOfPhase(pPreamble)) {
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// Retry with phase correction if enabled, necessary and possible.
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if (Modes.phase_enhance && !mm.crcok && !mm.correctedbits && !use_correction && j && detectOutOfPhase(pPreamble)) {
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use_correction = 1; j--;
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} else {
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use_correction = 0;
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@ -3985,6 +4030,7 @@ void showHelp(void) {
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"--fix Enable single-bits error correction using CRC\n"
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"--no-fix Disable single-bits error correction using CRC\n"
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"--no-crc-check Disable messages with broken CRC (discouraged)\n"
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"--phase-enhance Enable phase enhancement\n"
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"--aggressive More CPU for more messages (two bits fixes, ...)\n"
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"--mlat display raw messages in Beast ascii mode\n"
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"--stats With --ifile print stats at exit. No other output\n"
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@ -4063,6 +4109,8 @@ int main(int argc, char **argv) {
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Modes.aggressive = 0;
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} else if (!strcmp(argv[j],"--no-crc-check")) {
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Modes.check_crc = 0;
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} else if (!strcmp(argv[j],"--phase-enhance")) {
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Modes.phase_enhance = 1;
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} else if (!strcmp(argv[j],"--raw")) {
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Modes.raw = 1;
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} else if (!strcmp(argv[j],"--net")) {
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@ -4206,18 +4254,30 @@ int main(int argc, char **argv) {
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// If --stats were given, print statistics
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if (Modes.stats) {
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printf("\n\n");
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printf("%d ModeA/C detected\n", Modes.stat_ModeAC);
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printf("%d valid preambles\n", Modes.stat_valid_preamble);
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printf("%d DF-?? fields corrected for length\n", Modes.stat_DF_Len_Corrected);
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printf("%d DF-?? fields corrected for type\n", Modes.stat_DF_Type_Corrected);
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printf("%d demodulated again after phase correction\n", Modes.stat_out_of_phase);
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printf("%d demodulated with zero errors\n", Modes.stat_demodulated);
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printf("%d with good crc\n", Modes.stat_goodcrc);
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printf("%d with bad crc\n", Modes.stat_badcrc);
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printf("%d errors corrected\n", Modes.stat_fixed);
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printf("%d single bit errors\n", Modes.stat_single_bit_fix);
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printf("%d two bits errors\n", Modes.stat_two_bits_fix);
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printf("%d total usable messages\n", Modes.stat_goodcrc + Modes.stat_fixed);
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printf("%d ModeA/C detected\n", Modes.stat_ModeAC);
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printf("%d valid Mode-S preambles\n", Modes.stat_valid_preamble);
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printf("%d DF-?? fields corrected for length\n", Modes.stat_DF_Len_Corrected);
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printf("%d DF-?? fields corrected for type\n", Modes.stat_DF_Type_Corrected);
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printf("%d demodulated with 0 errors\n", Modes.stat_demodulated0);
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printf("%d demodulated with 1 error\n", Modes.stat_demodulated1);
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printf("%d demodulated with 2 errors\n", Modes.stat_demodulated2);
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printf("%d demodulated with > 2 errors\n", Modes.stat_demodulated3);
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printf("%d with good crc\n", Modes.stat_goodcrc);
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printf("%d with bad crc\n", Modes.stat_badcrc);
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printf("%d errors corrected\n", Modes.stat_fixed);
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printf("%d single bit errors\n", Modes.stat_single_bit_fix);
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printf("%d two bits errors\n", Modes.stat_two_bits_fix);
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printf("%d phase enhancement attempts\n", Modes.stat_out_of_phase);
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printf("%d phase enhanced demodulated with 0 errors\n", Modes.stat_ph_demodulated0);
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printf("%d phase enhanced demodulated with 1 error\n", Modes.stat_ph_demodulated1);
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printf("%d phase enhanced demodulated with 2 errors\n", Modes.stat_ph_demodulated2);
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printf("%d phase enhanced demodulated with > 2 errors\n", Modes.stat_ph_demodulated3);
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printf("%d phase enhanced with good crc\n", Modes.stat_ph_goodcrc);
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printf("%d phase enhanced with bad crc\n", Modes.stat_ph_badcrc);
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printf("%d phase enhanced errors corrected\n", Modes.stat_ph_fixed);
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printf("%d phase enhanced single bit errors\n", Modes.stat_ph_single_bit_fix);
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printf("%d phase enhanced two bits errors\n", Modes.stat_ph_two_bits_fix);
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printf("%d total usable messages\n", Modes.stat_goodcrc + Modes.stat_ph_goodcrc + Modes.stat_fixed + Modes.stat_ph_fixed);
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}
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if (Modes.filename == NULL) {
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@ -4,6 +4,9 @@
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<head>
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
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<!-- For developers -->
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<script type="text/javascript" src="untrackedDeveloperSettings.js"></script>
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<link rel="stylesheet" type="text/css" href="style.css" />
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<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
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<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?sensor=true"></script>
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@ -1,9 +1,13 @@
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if (typeof(developerSettings) === 'undefined') { // If not developers
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// "Constant" variables - Since there is no constants in make sure
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// not to change these CONST_ variables.
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var CONST_CENTERLAT = 45.0; // 45.0
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var CONST_CENTERLON = 9.0; // 9.0
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var CONST_ZOOMLVL = 5; //5
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} // End of !developerSettings
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// Global variables
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var Map = null;
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var CenterLat = CONST_CENTERLAT;
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