diff --git a/src/main/io/serial.c b/src/main/io/serial.c index 5943d72114..e9f012f280 100644 --- a/src/main/io/serial.c +++ b/src/main/io/serial.c @@ -251,6 +251,13 @@ serialPortSearchResult_t *findNextSerialPort(serialPortFunction_e function, cons )) { continue; } + +#if (defined(NAZE) || defined(OLIMEXINO)) && defined(SONAR) + if (!feature(FEATURE_RX_PARALLEL_PWM) && (serialPortConstraint->identifier == SERIAL_PORT_SOFTSERIAL2)) { + continue; + } +#endif + #endif if (functionConstraint->requiredSerialPortFeatures != SPF_NONE) {