diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp index e6d93ded0c..b3f8d5a30a 100644 --- a/src/gps/GPS.cpp +++ b/src/gps/GPS.cpp @@ -426,41 +426,29 @@ bool GPS::setup() if (!didSerialInit) { int msglen = 0; if (tx_gpio && gnssModel == GNSS_MODEL_UNKNOWN) { - - // if GPS_BAUDRATE is specified in variant, skip to the specified rate. - if (GPS_BAUDRATE_FIXED) { - gnssModel = probe(GPS_BAUDRATE); - if (gnssModel == GNSS_MODEL_UNKNOWN && probeTries == 1) { - LOG_WARN("GPS probe failed, setting to %d", GPS_BAUDRATE); - return true; - } else { - ++probeTries; - return false; - } - } else { - if (probeTries == 0) { - LOG_DEBUG("Probing for GPS at %d", serialSpeeds[speedSelect]); - gnssModel = probe(serialSpeeds[speedSelect]); - if (gnssModel == GNSS_MODEL_UNKNOWN) { - if (++speedSelect == sizeof(serialSpeeds) / sizeof(int)) { - speedSelect = 0; - ++probeTries; - } + if (probeTries == 0) { + LOG_DEBUG("Probing for GPS at %d", serialSpeeds[speedSelect]); + gnssModel = probe(serialSpeeds[speedSelect]); + if (gnssModel == GNSS_MODEL_UNKNOWN) { + if (++speedSelect == sizeof(serialSpeeds) / sizeof(int)) { + speedSelect = 0; + ++probeTries; } } - // Rare Serial Speeds - if (probeTries == 1) { - LOG_DEBUG("Probing for GPS at %d", rareSerialSpeeds[speedSelect]); - gnssModel = probe(rareSerialSpeeds[speedSelect]); - if (gnssModel == GNSS_MODEL_UNKNOWN) { - if (++speedSelect == sizeof(rareSerialSpeeds) / sizeof(int)) { - LOG_WARN("Giving up on GPS probe and setting to %d", GPS_BAUDRATE); - return true; - } + } + // Rare Serial Speeds + if (probeTries == 1) { + LOG_DEBUG("Probing for GPS at %d", rareSerialSpeeds[speedSelect]); + gnssModel = probe(rareSerialSpeeds[speedSelect]); + if (gnssModel == GNSS_MODEL_UNKNOWN) { + if (++speedSelect == sizeof(rareSerialSpeeds) / sizeof(int)) { + LOG_WARN("Giving up on GPS probe and setting to %d", GPS_BAUDRATE); + return true; } } - return false; } + return false; + } else { gnssModel = GNSS_MODEL_UNKNOWN; } diff --git a/src/gps/GPS.h b/src/gps/GPS.h index f1abcf4b2f..b95d0f76ba 100644 --- a/src/gps/GPS.h +++ b/src/gps/GPS.h @@ -76,7 +76,12 @@ class GPS : private concurrency::OSThread uint8_t fixType = 0; // fix type from GPGSA #endif private: +#if GPS_BAUDRATE_FIXED + // if GPS_BAUDRATE is specified in variant, try that first. + const int serialSpeeds[4] = {GPS_BAUDRATE, 9600, 115200, 38400}; +#else const int serialSpeeds[3] = {9600, 115200, 38400}; +#endif const int rareSerialSpeeds[3] = {4800, 57600, GPS_BAUDRATE}; uint32_t lastWakeStartMsec = 0, lastSleepStartMsec = 0, lastFixStartMsec = 0;