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[safe_mode] Fix devices getting stuck in safe mode on LibreTiny

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This commit is contained in:
J. Nick Koston
2026-01-06 14:45:51 -10:00
parent 2147ddf8c7
commit f54505243c
1 changed files with 10 additions and 0 deletions
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10
esphome/components/safe_mode/safe_mode.cpp
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@@ -150,6 +150,16 @@ void SafeModeComponent::clean_rtc() {
// remain incremented.
uint32_t val = 0;
this->rtc_.save(&val);
#ifdef USE_LIBRETINY
// On LibreTiny (BK72xx, RTL87xx), preferences queued during shutdown are not
// reliably persisted to flash. This was observed on TuyaMCU devices where:
// 1. Safe mode button pressed or boot loop detected -> clean_rtc() queues counter=0
// 2. OTA completes -> safe_reboot() triggers IntervalSyncer::on_shutdown() -> sync()
// 3. After reboot, counter is NOT cleared -> device stuck in safe mode loop
// The FlashDB layer appears to fail silently when writing during shutdown.
// Sync immediately to ensure the boot counter is actually persisted.
global_preferences->sync();
#endif
}
void SafeModeComponent::on_safe_shutdown() {