- let ptt = SerialPtt::new("/dev/ttyUSB0", PttPin::Rts);
- let soundmodem = Soundmodem::new(soundcard.input(), soundcard.output(), ptt);
+ soundcard.set_tx_inverted(true);
+ let ptt = SerialPtt::new("/dev/ttyUSB0", PttPin::Rts).unwrap();
+ let soundmodem = Soundmodem::new(
+ soundcard.input(),
+ soundcard.output(),
+ ptt,
+ NullErrorHandler::new(),
+ );