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Merge pull request #2185 from code8buster/gps-fixedposboot

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GPS acquisiton on boot only
This commit is contained in:
Ben Meadors 2023-01-24 10:04:06 -06:00 committed by GitHub
commit 4d7e3329d9
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2 changed files with 16 additions and 2 deletions
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15
src/gps/GPS.cpp
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@ -295,7 +295,8 @@ bool GPS::setup()
notifyDeepSleepObserver.observe(&notifyDeepSleep);
notifyGPSSleepObserver.observe(&notifyGPSSleep);
}
if (config.position.gps_enabled == false) {
if (config.position.gps_enabled == false && config.position.fixed_position == false) {
setAwake(false);
doGPSpowersave(false);
}
@ -402,7 +403,8 @@ uint32_t GPS::getSleepTime() const
uint32_t t = config.position.gps_update_interval;
bool gps_enabled = config.position.gps_enabled;
if (!gps_enabled)
// We'll not need the GPS thread to wake up again after first acq. with fixed position.
if (!gps_enabled || config.position.fixed_position)
t = UINT32_MAX; // Sleep forever now
if (t == UINT32_MAX)
@ -437,6 +439,7 @@ int32_t GPS::runOnce()
LOG_DEBUG("GPS is not communicating, trying factory reset on next bootup.\n");
devicestate.did_gps_reset = false;
nodeDB.saveDeviceStateToDisk();
disable(); // Stop the GPS thread as it can do nothing useful until next reboot.
}
}
}
@ -498,6 +501,14 @@ int32_t GPS::runOnce()
// If state has changed do a publish
publishUpdate();
if (!(fixeddelayCtr >= 20) && config.position.fixed_position && hasValidLocation) {
fixeddelayCtr++;
// LOG_DEBUG("Our delay counter is %d\n", fixeddelayCtr);
if (fixeddelayCtr >= 20) {
doGPSpowersave(false);
forceWake(false);
}
}
// 9600bps is approx 1 byte per msec, so considering our buffer size we never need to wake more often than 200ms
// if not awake we can run super infrquently (once every 5 secs?) to see if we need to wake.
return isAwake ? GPS_THREAD_INTERVAL : 5000;

3
src/gps/GPS.h
View File

@ -168,6 +168,9 @@ class GPS : private concurrency::OSThread
int getAck(uint8_t *buffer, uint16_t size, uint8_t requestedClass, uint8_t requestedID);
// delay counter to allow more sats before fixed position stops GPS thread
uint8_t fixeddelayCtr = 0;
protected:
GnssModel_t gnssModel = GNSS_MODEL_UNKONW;
};