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The root cause was that RadioLib didn't know about the external GC1109 RF switch. Without the SX126X_RXEN/TXEN definitions, RadioLib never called setRfSwitchPins(), so it couldn't automatically manage PA_TX_EN during RX/TX transitions.
Set pinmode output/input too to make sure
Like SX1262 allows -9 dBm lowest, some allow lower but that probably isn't useful
Especially with powersaving on the RTC can run hours ahead after only a few days.
Unless your GPS is being spoofed there isn't really a downside to syncing more often with GPS. I understand the RTC is very stable, but especially with powersaving now clock drift is worse, we should sync more often.
This also fixes repeaters waking up on button presses (they do not currently)
When the RTC drifts ahead and is corrected via clock sync, stored timestamps can appear to be in the future, causing underflow in "time ago" calculations (wrapping to ~4 billion seconds). Changes: - Add safeElapsedSecs() helper that clamps to 0 if timestamp > now - Apply to neighbor "heard X ago" displays in simple_repeater - Apply to UI time displays in companion_radio - Apply to TimeSeriesData calculations in simple_sensor - Switch BaseChatMesh connection expiry from RTC to millis() The connection expiry change is the most important: using monotonic time (millis) makes it immune to RTC adjustments from GPS, NTP, or manual sync.
Previously, on any new contact discovered we would try to write the contacts again. If auto add isn't on, nothing has changed. This can cause corruption by triggering more writes and also reduces flash life.
Enable GPS time synchronization across all variants by passing &rtc_clock to MicroNMEALocationProvider. When GPS gets a valid fix, the RTC clock is now updated automatically every 30 minutes. Updated 16 variants: rak4631, lilygo_tbeam_SX1262, rak_wismesh_tag, lilygo_tbeam_supreme_SX1262, thinknode_m3, heltec_v4, thinknode_m1, lilygo_tbeam_SX1276, meshadventurer, nano_g2_ultra, heltec_v3, promicro, xiao_c3, heltec_tracker_v2, keepteen_lt1, heltec_mesh_solar.
Enable GPS time synchronization across all variants by passing &rtc_clock to MicroNMEALocationProvider. When GPS gets a valid fix, the RTC clock is now updated automatically every 30 minutes. Updated 16 variants: rak4631, lilygo_tbeam_SX1262, rak_wismesh_tag, lilygo_tbeam_supreme_SX1262, thinknode_m3, heltec_v4, thinknode_m1, lilygo_tbeam_SX1276, meshadventurer, nano_g2_ultra, heltec_v3, promicro, xiao_c3, heltec_tracker_v2, keepteen_lt1, heltec_mesh_solar.
FIX: remove serial debug logging from t3s3 sx1276 companion usb
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