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Sensible defaults for RSSI_MAX range

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Sassa NF
2025-01-05 22:53:31 +00:00
parent 810f9031d5
commit e01d5aa694
1 changed files with 57 additions and 6 deletions
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src/main.cpp
+57 -6
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@@ -892,12 +892,63 @@ void configureDetection()
{
if (config.scan_ranges_sz == 0)
{
config.scan_ranges_sz = 1;
config.scan_ranges = new ScanRange[1];
config.scan_ranges[0].start_khz = FREQ_BEGIN * 1000;
config.scan_ranges[0].end_khz = FREQ_END * 1000;
config.scan_ranges[0].step_khz =
(float)(FREQ_END - FREQ_BEGIN) * 1000 / (STEPS * SCAN_RBW_FACTOR);
if (config.detection_strategy.equalsIgnoreCase("RSSI_MAX"))
{
size_t sz = 10;
uint32_t f_khz = FREQ_BEGIN * 1000;
uint32_t ssz = (FREQ_END - FREQ_BEGIN) * 1000 / 10;
uint32_t step =
(float)(FREQ_END - FREQ_BEGIN) * 1000 / (STEPS * SCAN_RBW_FACTOR);
uint32_t rx_b = FREQ_END * 1000 + 100000;
uint32_t rx_e = rx_b + 500;
if (RxComms != NULL)
{
rx_e = RxComms->loraCfg.bw;
rx_b = RxComms->loraCfg.freq * 1000 - rx_e;
rx_e = rx_b + 2 * rx_e;
if (rx_e / ssz == rx_b / ssz && rx_e > f_khz && rx_b < FREQ_END * 1000)
{
// entire exclusion range is in one bucket
sz++;
}
}
config.scan_ranges_sz = sz;
config.scan_ranges = new ScanRange[sz];
for (int i = 0; i < sz; i++)
{
config.scan_ranges[i].step_khz = step;
config.scan_ranges[i].start_khz = f_khz > rx_b ? max(f_khz, rx_e) : f_khz;
bool starts_before = f_khz < rx_e;
bool ends_after = f_khz + ssz > rx_b;
if (starts_before && ends_after)
{
config.scan_ranges[i].end_khz = rx_b;
i++;
config.scan_ranges[i].start_khz = rx_e;
config.scan_ranges[i].step_khz = step;
}
f_khz += ssz;
config.scan_ranges[i].end_khz =
f_khz - step < rx_e ? min(f_khz - step, rx_b) : f_khz - step;
}
if (config.scan_ranges[sz - 1].end_khz > rx_e)
config.scan_ranges[sz - 1].end_khz = FREQ_END * 1000;
}
else
{
config.scan_ranges_sz = 1;
config.scan_ranges = new ScanRange[1];
config.scan_ranges[0].start_khz = FREQ_BEGIN * 1000;
config.scan_ranges[0].end_khz = FREQ_END * 1000;
config.scan_ranges[0].step_khz =
(float)(FREQ_END - FREQ_BEGIN) * 1000 / (STEPS * SCAN_RBW_FACTOR);
}
}
if (config.samples <= 0)