On display the date is not updating. about lora_aprs_tracker

[richonguzman]

did you test this more? as this is really strange behavior

[OK1FWG]

Did you had to reset the GPS? If so, it can happen, that the GPS is not sending NMEA message containing the date,

[iw2ejh]

Yes, on both devices, the GPS has been reset with the available tool. Do you know how to recover from this situation?

[OK1FWG]

You've probably used something like the TTGO_T-beam_GPS-reset utility.
I don't have my code at hand right now, but as I remember, the reset utility enables only the NMEA_GGA sentence, which doesn't include the date. I wonder why, but...
myGPS.enableNMEAMessage(UBX_NMEA_GGA, COM_PORT_UART1);

I had to add to it something like this:
myGPS.enableNMEAMessage(UBX_NMEA_RMC, COM_PORT_UART1);

By using the TinyGPS++ library, it reads just these NMEA sentences:
GPGGA, GPRMC (GPS) & GNGGA & GNRMC (Glonas)

Then I've got the date&time displaying correctly. I'll try to find my code at home, please QRX.

[iw2ejh]

Yes Willi, you got the point, I added the RMC sentence after the gps reset and bingo, this unlocked the situation, now the Date appear correctly on the display.

[iw2ejh]

Problem description: Only Date is not updated on the display
Cause: have used the GPS reset tool to force GPS to send again NMEA sentences after Meshstastic was loaded on the TTGO board (it use different protocol)
Solution: modification of the reset tool to include RMC sentence in addition to the GGA one ( change the wording from disable in enable in the sentence highlighted below (<-------) )

do {
if (myGPS.begin(SerialGPS)) {
Serial.println("Connected to GPS");
myGPS.setUART1Output(COM_TYPE_NMEA); //Set the UART port to output NMEA only
myGPS.saveConfiguration(); //Save the current settings to flash and BBR
Serial.println("GPS serial connected, output set to NMEA");
myGPS.disableNMEAMessage(UBX_NMEA_GLL, COM_PORT_UART1);
myGPS.disableNMEAMessage(UBX_NMEA_GSA, COM_PORT_UART1);
myGPS.disableNMEAMessage(UBX_NMEA_GSV, COM_PORT_UART1);
myGPS.disableNMEAMessage(UBX_NMEA_VTG, COM_PORT_UART1);
myGPS.enableNMEAMessage(UBX_NMEA_RMC, COM_PORT_UART1); <------
myGPS.enableNMEAMessage(UBX_NMEA_GGA, COM_PORT_UART1);
myGPS.saveConfiguration(); //Save the current settings to flash and BBR
Serial.println("Enabled/disabled NMEA sentences");
break;

P.S. sorry I do not know how to reduce characters in my comment ;)

[OK1FWG]

Yes Willi, you got the point, I added the RMC sentence after the gps reset and bingo, this unlocked the situation, now the Date appear correctly on the display.

I am glad I could help. Enjoy it!

[richonguzman]

thanks a lot for this!

will try to save the info on the WIKI also!

[richonguzman]

i had this all missing!! until I needed to reset one T-beam

so i will upload this all new into a new updated repository