rbxii3/firmware
1
0
Fork 0
mirror of https://github.com/meshtastic/firmware.git synced 2025-12-23 19:20:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

bug #376 wip - we now minimize comms to gps to save power

Browse Source
This commit is contained in:
Kevin Hester
2020-10-06 06:07:30 +08:00
parent 736642455f
commit f6861a8fe2
5 changed files with 25 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/gps/UBloxGPS.cpp
View File

@@ -34,7 +34,8 @@ bool UBloxGPS::setupGPS()
// _serial_gps.setRxBufferSize(1024); // the default is 256
}
ublox.enableDebugging(Serial);
// uncomment to see debug info
// ublox.enableDebugging(Serial);
// try a second time, the ublox lib serial parsing is buggy?
// see https://github.com/meshtastic/Meshtastic-device/issues/376
@@ -112,9 +113,19 @@ bool UBloxGPS::factoryReset()
/** Idle processing while GPS is looking for lock */
void UBloxGPS::whileActive()
{
// If we don't have a fix (a quick check), don't try waiting for a solution)
fixType = ublox.getFixType(maxWait());
DEBUG_MSG("GPS fix type %d\n", fixType);
ublox.getT(maxWait()); // ask for new time data - hopefully ready when we come back
// Ask for a new position fix - hopefully it will have results ready by next time
// the order here is important, because we only check for has latitude when reading
ublox.getSIV(maxWait());
ublox.getPDOP(maxWait());
ublox.getP(maxWait());
// Update fixtype
if (ublox.moduleQueried.fixType) {
fixType = ublox.getFixType(0);
DEBUG_MSG("GPS fix type %d\n", fixType);
}
}
/**
@@ -141,8 +152,6 @@ bool UBloxGPS::lookForTime()
t.tm_isdst = false;
perhapsSetRTC(t);
return true;
} else {
ublox.getT(maxWait()); // ask for new time data - hopefully ready when we come back
}
}
@@ -177,11 +186,6 @@ bool UBloxGPS::lookForLocation()
// Also: apparently when the GPS is initially reporting lock it can output a bogus latitude > 90 deg!
foundLocation =
(latitude != 0) && (longitude != 0) && (latitude <= 900000000 && latitude >= -900000000) && (numSatellites > 0);
} else {
// Ask for a new position fix - hopefully it will have results ready by next time
ublox.getSIV(maxWait());
ublox.getPDOP(maxWait());
ublox.getP(maxWait());
}
}
@@ -205,6 +209,7 @@ void UBloxGPS::sleep()
void UBloxGPS::wake()
{
fixType = 0; // assume we hace no fix yet
setGPSPower(true);
// Give time for the GPS to boot
delay(200);