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Avoid polling for GPIO binary sensors when possible

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This commit is contained in:
J. Nick Koston
2025-06-17 13:13:58 +02:00
parent 04bcc5c879
commit 5d2f454a94
1 changed files with 6 additions and 5 deletions
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11
esphome/components/gpio/binary_sensor/gpio_binary_sensor.cpp
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@@ -19,11 +19,12 @@ void GPIOBinarySensorStore::setup(InternalGPIOPin *pin, gpio::InterruptType type
this->pin_ = pin;
pin->setup();
this->isr_pin_ = pin->to_isr();
{
InterruptLock lock;
this->last_state_ = pin->digital_read();
this->state_ = this->last_state_;
}
// Read initial state
this->last_state_ = pin->digital_read();
this->state_ = this->last_state_;
// Attach interrupt - from this point on, any changes will be caught by the interrupt
pin->attach_interrupt(&GPIOBinarySensorStore::gpio_intr, this, type);
}