TX won't work on FM mode with hackrf SDR

[jacintomfr]

Hi, I decide to try your project and the script worked at first time, I'm using a hackrf to test and the RX and TX works OK on mode SSB but TX don't work well in FM mode because when I switch off TX the program freeze and I have to turn off and on again the pi. Your project is really interesting, would like to try more, any chance to have kicad information about the esp32 controller ? tks

Jacinto CU2ED