rtl_433 CaribouLite-ISM SoapySDR - Single Pulses only

[serg-piter]

Hello, everyone

My setup is rPi Zero 2W with CaribouLite ISM HAT. SoapySDR backend. Everything built from the latest repo snapshots including rtl_433.

The problem is that rtl_433 can't recognise any of my 433 sensors and if i'm running trace level of verbose or -A - i can see data, but rtl_433 decodes it not as "packet" but as single pulse.

For example -
Detected OOK package 2024-08-01 18:36:24 Analyzing pulses... Total count: 1, width: 0.22 ms ( 54 S) Pulse width distribution: [ 0] count: 1, width: 216 us [216;216] ( 54 S) Gap width distribution: Pulse period distribution: Pulse timing distribution: [ 0] count: 1, width: 216 us [216;216] ( 54 S) [ 1] count: 1, width: 10004 us [10004;10004] (2501 S) Level estimates [high, low]: 13342, 1468 RSSI: -1.8 dB SNR: 19.2 dB Noise: -21.0 dB Frequency offsets [F1, F2]: 204, 0 (+0.8 kHz, +0.0 kHz) Guessing modulation: Single pulse detected. Probably Frequency Shift Keying or just noise... view at https://triq.org/pdv/#AAB10200D827148155

I've tried different bandwidth and samplerates configurations but i have no ideas where to dig into next.

Any suggestions?

[zuckschwerdt]

433M defaults to the -Y classic demod, try the FSK optimized -Y minmax demod.