DigitalInfinity/ESP32-PaxCounter
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gpsread.cpp: slow down spin loop

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cyberman54 2022-01-26 22:45:23 +01:00
parent 1ffdbdac3b
commit a0ea78844a
1 changed files with 17 additions and 22 deletions
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39
src/gpsread.cpp
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@ -141,40 +141,35 @@ void gps_loop(void *pvParameters) {
while (1) {
if (cfg.payloadmask & GPS_DATA) {
while (cfg.payloadmask & GPS_DATA) {
#ifdef GPS_SERIAL
// feed GPS decoder with serial NMEA data from GPS device
while (GPS_Serial.available()) {
gps.encode(GPS_Serial.read());
yield();
}
while (GPS_Serial.available())
if (gps.encode(GPS_Serial.read()))
break; // NMEA sentence complete
#elif defined GPS_I2C
Wire.requestFrom(GPS_ADDR, 32); // caution: this is a blocking call
while (Wire.available()) {
gps.encode(Wire.read());
delay(2); // 2ms delay according L76 datasheet
yield();
}
while (Wire.available())
if (gps.encode(Wire.read()))
break; // NMEA sentence complete
#endif
// (only) while device time is not set or unsynched, and we have a valid
// GPS time, we trigger a device time update to poll time from GPS
// GPS time, we call calibrateTime to poll time immeditately from GPS
if ((timeSource == _unsynced || timeSource == _set) &&
(gpstime.isUpdated() && gpstime.isValid() && gpstime.age() < 1000)) {
(gpstime.isUpdated() && gpstime.isValid() && gpstime.age() < 1000))
calibrateTime();
}
} // if
// show NMEA data, very noisy, useful only for debugging GPS
// ESP_LOGV(TAG, "GPS NMEA data: passed %u / failed: %u / with fix:
// %u", gps.passedChecksum(), gps.failedChecksum(), gps
// .sentencesWithFix());
// show NMEA data in verbose mode, useful only for debugging GPS, very
// noisy ESP_LOGV(TAG, "GPS NMEA data: passed %u / failed: %u / with fix:
// %u",
// gps.passedChecksum(), gps.failedChecksum(),
// gps.sentencesWithFix());
delay(2);
} // inner while loop
delay(50);
} // end of infinite loop
delay(1000);
} // outer while loop
} // gps_loop()