AFG/dump1090
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Oversampling, round two.

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This now seems to be at the point where it will decode more messages
than when using 2MHz with --phase-enhance.
This commit is contained in:
Oliver Jowett 2014-09-27 13:07:23 +01:00
parent 17f73cc01a
commit 69a30535d4
3 changed files with 132 additions and 77 deletions
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15
dump1090.c
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@ -508,7 +508,12 @@ static void display_stats(void) {
printf("%d sample blocks dropped\n", Modes.stat_blocks_dropped);
printf("%d ModeA/C detected\n", Modes.stat_ModeAC);
printf("%d Mode-S preambles with poor correlation\n", Modes.stat_preamble_no_correlation);
printf("%d Mode-S preambles with noise in the quiet period\n", Modes.stat_preamble_not_quiet);
printf("%d valid Mode-S preambles\n", Modes.stat_valid_preamble);
for (j = 0; j < MODES_MAX_PHASE_STATS; ++j)
if (Modes.stat_preamble_phase[j] > 0)
printf(" %d with phase offset %d\n", Modes.stat_preamble_phase[j], j);
printf("%d DF-?? fields corrected for length\n", Modes.stat_DF_Len_Corrected);
printf("%d DF-?? fields corrected for type\n", Modes.stat_DF_Type_Corrected);
printf("%d demodulated with 0 errors\n", Modes.stat_demodulated0);
@ -516,6 +521,9 @@ static void display_stats(void) {
printf("%d demodulated with 2 errors\n", Modes.stat_demodulated2);
printf("%d demodulated with > 2 errors\n", Modes.stat_demodulated3);
printf("%d with good crc\n", Modes.stat_goodcrc);
for (j = 0; j < MODES_MAX_PHASE_STATS; ++j)
if (Modes.stat_goodcrc_phase[j] > 0)
printf(" %d with phase offset %d\n", Modes.stat_goodcrc_phase[j], j);
printf("%d with bad crc\n", Modes.stat_badcrc);
printf("%d errors corrected\n", Modes.stat_fixed);
@ -545,6 +553,8 @@ static void display_stats(void) {
Modes.stat_blocks_dropped = 0;
Modes.stat_ModeAC =
Modes.stat_preamble_no_correlation =
Modes.stat_preamble_not_quiet =
Modes.stat_valid_preamble =
Modes.stat_DF_Len_Corrected =
Modes.stat_DF_Type_Corrected =
@ -569,6 +579,11 @@ static void display_stats(void) {
Modes.stat_ph_bit_fix[j] = 0;
Modes.stat_bit_fix[j] = 0;
}
for (j = 0; j < MODES_MAX_PHASE_STATS; j++) {
Modes.stat_preamble_phase[j] = 0;
Modes.stat_goodcrc_phase[j] = 0;
}
}