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deep_sleep: Replace polling loop with event-driven state machine

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This commit is contained in:
J. Nick Koston 2025-07-05 15:53:12 -05:00
parent 4e9e48e2e7
commit 7c2d2ef5a3
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3 changed files with 47 additions and 17 deletions
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35
esphome/components/deep_sleep/deep_sleep_component.cpp
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@ -36,26 +36,27 @@ void DeepSleepComponent::dump_config() {
this->dump_config_platform_();
}
void DeepSleepComponent::loop() {
if (this->next_enter_deep_sleep_)
this->begin_sleep();
}
float DeepSleepComponent::get_loop_priority() const {
return -100.0f; // run after everything else is ready
}
void DeepSleepComponent::set_sleep_duration(uint32_t time_ms) { this->sleep_duration_ = uint64_t(time_ms) * 1000; }
void DeepSleepComponent::set_run_duration(uint32_t time_ms) { this->run_duration_ = time_ms; }
void DeepSleepComponent::begin_sleep(bool manual) {
if (this->prevent_ && !manual) {
this->next_enter_deep_sleep_ = true;
if (this->sleep_state_ == SLEEP_STATE_ENTERING_SLEEP) {
// Already entering sleep, avoid re-entrance
return;
}
if (this->prevent_ && !manual) {
// Sleep was prevented
this->sleep_state_ = SLEEP_STATE_BLOCKED_BY_PREVENT;
ESP_LOGD(TAG, "Deep sleep blocked by prevent flag");
return;
}
this->sleep_state_ = SLEEP_STATE_ENTERING_SLEEP;
if (!this->prepare_to_sleep_()) {
// prepare_to_sleep_ will set appropriate blocked state
return;
}
@ -76,7 +77,17 @@ float DeepSleepComponent::get_setup_priority() const { return setup_priority::LA
void DeepSleepComponent::prevent_deep_sleep() { this->prevent_ = true; }
void DeepSleepComponent::allow_deep_sleep() { this->prevent_ = false; }
void DeepSleepComponent::allow_deep_sleep() {
this->prevent_ = false;
// If sleep was blocked by prevent flag, try to sleep now
if (this->sleep_state_ == SLEEP_STATE_BLOCKED_BY_PREVENT) {
ESP_LOGD(TAG, "Deep sleep allowed, executing deferred sleep");
this->sleep_state_ = SLEEP_STATE_IDLE;
// Schedule sleep for next loop iteration to avoid potential issues
// with calling begin_sleep during another component's execution
this->defer([this]() { this->begin_sleep(false); }); // false = automatic sleep (respects prevent flag)
}
}
} // namespace deep_sleep
} // namespace esphome

11
esphome/components/deep_sleep/deep_sleep_component.h
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@ -93,8 +93,6 @@ class DeepSleepComponent : public Component {
void setup() override;
void dump_config() override;
void loop() override;
float get_loop_priority() const override;
float get_setup_priority() const override;
/// Helper to enter deep sleep mode
@ -124,9 +122,16 @@ class DeepSleepComponent : public Component {
optional<bool> touch_wakeup_;
optional<WakeupCauseToRunDuration> wakeup_cause_to_run_duration_;
#endif
enum SleepState : uint8_t {
SLEEP_STATE_IDLE,
SLEEP_STATE_BLOCKED_BY_PREVENT,
SLEEP_STATE_BLOCKED_BY_WAKEUP_PIN,
SLEEP_STATE_ENTERING_SLEEP,
};
optional<uint32_t> run_duration_;
bool next_enter_deep_sleep_{false};
bool prevent_{false};
SleepState sleep_state_{SLEEP_STATE_IDLE};
};
extern bool global_has_deep_sleep; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)

18
esphome/components/deep_sleep/deep_sleep_esp32.cpp
View File

@ -59,13 +59,27 @@ bool DeepSleepComponent::prepare_to_sleep_() {
if (this->wakeup_pin_mode_ == WAKEUP_PIN_MODE_KEEP_AWAKE && this->wakeup_pin_ != nullptr &&
this->wakeup_pin_->digital_read()) {
// Defer deep sleep until inactive
if (!this->next_enter_deep_sleep_) {
if (this->sleep_state_ != SLEEP_STATE_BLOCKED_BY_WAKEUP_PIN) {
this->sleep_state_ = SLEEP_STATE_BLOCKED_BY_WAKEUP_PIN;
this->status_set_warning();
ESP_LOGW(TAG, "Waiting for wakeup pin state change");
// Set up monitoring - check pin state every 100ms
this->set_interval("wakeup_pin_check", 100, [this]() {
if (!this->wakeup_pin_->digital_read()) {
ESP_LOGD(TAG, "Wakeup pin inactive, can now enter deep sleep");
this->cancel_interval("wakeup_pin_check");
this->sleep_state_ = SLEEP_STATE_IDLE;
this->begin_sleep(false); // false = automatic sleep (respects prevent flag)
}
});
}
this->next_enter_deep_sleep_ = true;
return false;
}
// If we were monitoring and now can sleep, clean up
if (this->sleep_state_ == SLEEP_STATE_BLOCKED_BY_WAKEUP_PIN) {
this->cancel_interval("wakeup_pin_check");
this->sleep_state_ = SLEEP_STATE_ENTERING_SLEEP;
}
return true;
}