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Make stats gathering conditional on Modes.stats

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There is a quite complex if/else construct for gathering statistics
inside the main decodeModeS loop. To speed the loop up when not
gathering statistics, make the whole construct conditional on Modes.stat
being set.

Also tidy up a few comments
This commit is contained in:
Malcolm Robb 2013-04-30 10:46:23 +01:00
parent 2e21367f85
commit a296f2783f
1 changed files with 17 additions and 17 deletions
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34
dump1090.c
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@ -2021,25 +2021,25 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
// Decode the received message // Decode the received message
decodeModesMessage(&mm, msg); decodeModesMessage(&mm, msg);
/* Update statistics. */ // Update statistics
if (mm.crcok || use_correction) { if (Modes.stats) {
if (errors == 0) Modes.stat_demodulated++; if (mm.crcok || use_correction) {
if (mm.errorbit == -1) { if (errors == 0) Modes.stat_demodulated++;
if (mm.crcok) if (mm.errorbit == -1) {
Modes.stat_goodcrc++; if (mm.crcok) {Modes.stat_goodcrc++;}
else else {Modes.stat_badcrc++;}
} else {
Modes.stat_badcrc++; Modes.stat_badcrc++;
} else { Modes.stat_fixed++;
Modes.stat_badcrc++; if (mm.errorbit < MODES_LONG_MSG_BITS)
Modes.stat_fixed++; {Modes.stat_single_bit_fix++;}
if (mm.errorbit < MODES_LONG_MSG_BITS) else
Modes.stat_single_bit_fix++; {Modes.stat_two_bits_fix++;}
else }
Modes.stat_two_bits_fix++;
} }
} }
/* Output debug mode info if needed. */ // Output debug mode info if needed
if (use_correction) { if (use_correction) {
if (Modes.debug & MODES_DEBUG_DEMOD) if (Modes.debug & MODES_DEBUG_DEMOD)
dumpRawMessage("Demodulated with 0 errors", msg, m, j); dumpRawMessage("Demodulated with 0 errors", msg, m, j);
@ -2052,7 +2052,7 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
dumpRawMessage("Decoded with good CRC", msg, m, j); dumpRawMessage("Decoded with good CRC", msg, m, j);
} }
/* Skip this message if we are sure it's fine. */ // Skip this message if we are sure it's fine
if (mm.crcok) { if (mm.crcok) {
j += (MODES_PREAMBLE_US+msglen)*2; j += (MODES_PREAMBLE_US+msglen)*2;
good_message = 1; good_message = 1;
@ -2060,7 +2060,7 @@ void detectModeS(uint16_t *m, uint32_t mlen) {
mm.phase_corrected = 1; mm.phase_corrected = 1;
} }
/* Pass data to the next layer */ // Pass data to the next layer
useModesMessage(&mm); useModesMessage(&mm);
} else { } else {