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Sync gps time every 30min #32

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Sync gps time every 30min #32

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d9e6722
prefs is 5 char length :nerd:
weebl2000 Feb 25, 2026
cdd3d5f
Merge pull request #1841 from weebl2000/nit-prefs
liamcottle Mar 3, 2026
10f2fec
Sync time with GPS every 30 minutes
weebl2000 Jan 9, 2026
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2 changes: 1 addition & 1 deletion src/helpers/CommonCLI.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -749,7 +749,7 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
_prefs->advert_loc_policy = ADVERT_LOC_SHARE;
savePrefs();
strcpy(reply, "ok");
} else if (memcmp(command+11, "prefs", 4) == 0) {
} else if (memcmp(command+11, "prefs", 5) == 0) {
_prefs->advert_loc_policy = ADVERT_LOC_PREFS;
savePrefs();
strcpy(reply, "ok");
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7 changes: 7 additions & 0 deletions src/helpers/sensors/MicroNMEALocationProvider.h
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@ class MicroNMEALocationProvider : public LocationProvider {
int _pin_en;
long next_check = 0;
long time_valid = 0;
unsigned long _last_time_sync = 0;
static const unsigned long TIME_SYNC_INTERVAL = 1800000; // Re-sync every 30 minutes

public :
MicroNMEALocationProvider(Stream& ser, mesh::RTCClock* clock = NULL, int pin_reset = GPS_RESET, int pin_en = GPS_EN,RefCountedDigitalPin* peripher_power=NULL) :
Expand Down Expand Up @@ -129,10 +131,15 @@ public :

if (millis() > next_check) {
next_check = millis() + 1000;
// Re-enable time sync periodically when GPS has valid fix
if (!_time_sync_needed && _clock != NULL && (millis() - _last_time_sync) > TIME_SYNC_INTERVAL) {
_time_sync_needed = true;
}
if (_time_sync_needed && time_valid > 2) {
if (_clock != NULL) {
_clock->setCurrentTime(getTimestamp());
_time_sync_needed = false;
_last_time_sync = millis();
}
}
if (isValid()) {
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