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Merge pull request #2937 from benskigomez/fix/gps-timesync-millis-overflow

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sensors: fix millis() rollover that stalls GPS time-sync on long-uptime nodes
This commit is contained in:
ripplebiz
2026-07-13 17:06:09 +10:00
committed by GitHub
parent 1c5a8426e8 63731d3fbf
commit 4f12dc02d5
2 changed files with 6 additions and 8 deletions
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src/helpers/sensors/EnvironmentSensorManager.cpp
+2 -2
View File
@@ -889,11 +889,11 @@ void EnvironmentSensorManager::stop_gps() {
void EnvironmentSensorManager::loop() {
#if ENV_INCLUDE_GPS
static long next_gps_update = 0;
static unsigned long next_gps_update = 0;
if (gps_active) {
_location->loop();
}
if (millis() > next_gps_update) {
if ((long)(millis() - next_gps_update) > 0) {
if(gps_active){
#ifdef RAK_WISBLOCK_GPS
src/helpers/sensors/MicroNMEALocationProvider.h
+4 -6
View File
@@ -42,14 +42,14 @@ class MicroNMEALocationProvider : public LocationProvider {
int8_t _claims = 0;
int _pin_reset;
int _pin_en;
long next_check = 0;
unsigned 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) :
_gps_serial(&ser), nmea(_nmeaBuffer, sizeof(_nmeaBuffer)), _pin_reset(pin_reset), _pin_en(pin_en), _clock(clock), _peripher_power(peripher_power) {
nmea(_nmeaBuffer, sizeof(_nmeaBuffer)), _clock(clock), _gps_serial(&ser), _peripher_power(peripher_power), _pin_reset(pin_reset), _pin_en(pin_en) {
if (_pin_reset != -1) {
pinMode(_pin_reset, OUTPUT);
digitalWrite(_pin_reset, GPS_RESET_FORCE);
@@ -62,9 +62,7 @@ public :
void claim() {
_claims++;
if (_claims > 0) {
if (_peripher_power) _peripher_power->claim();
}
if (_peripher_power) _peripher_power->claim();
}
void release() {
@@ -143,7 +141,7 @@ public :
if (!isValid()) time_valid = 0;
if (millis() > next_check) {
if ((long)(millis() - next_check) > 0) {
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) {