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Removed fixsbt and added a new state of signal without position. Positions stay higher than non positions.
This commit is contained in:
heurist1
2021-10-29 16:59:52 +01:00
parent 110b40ea49
commit b499380448
5 changed files with 17 additions and 340 deletions
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8
firmware/baseband/proc_adsbrx.cpp
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@@ -87,8 +87,6 @@ void ADSBRXProcessor::execute(const buffer_c8_t& buffer) {
// Look for preamble
// Shift
// FIXSBT make this a ring buffer
// FIXSBT store level in int16 for quick compare to preamble
for (c = 0; c < (ADSB_PREAMBLE_LENGTH - 1); c++)
{
shifter[c] = shifter[c + 1];
@@ -132,12 +130,6 @@ void ADSBRXProcessor::execute(const buffer_c8_t& buffer) {
bit_count = 0;
frame.clear();
// Compute preamble pulses power to set thresholds
//threshold = (shifter[0] + shifter[2] + shifter[7] + shifter[9]) / 4;
// FIXSBT other use max * 0.2
// FIXSBT threshold_high and threshold_low should be ditched
//threshold_high = threshold * 1.414f; // +3dB
//threshold_low = threshold * 0.707f; // -3dB
} // 11-14 low
} // 4 & 5 high
} // Check for preamble pattern