mirror of
https://github.com/esphome/esphome.git
synced 2024-11-22 11:47:30 +01:00
Reduce timing noise in duty_cycle (#2881)
This commit is contained in:
parent
9c0506592b
commit
31a61b598b
@ -23,22 +23,24 @@ void DutyCycleSensor::dump_config() {
|
||||
}
|
||||
void DutyCycleSensor::update() {
|
||||
const uint32_t now = micros();
|
||||
const uint32_t last_interrupt = this->store_.last_interrupt; // Read the measurement taken by the interrupt
|
||||
uint32_t on_time = this->store_.on_time;
|
||||
|
||||
this->store_.on_time = 0; // Start new measurement, exactly aligned with the micros() reading
|
||||
this->store_.last_interrupt = now;
|
||||
|
||||
if (this->last_update_ != 0) {
|
||||
const bool level = this->store_.last_level;
|
||||
const uint32_t last_interrupt = this->store_.last_interrupt;
|
||||
uint32_t on_time = this->store_.on_time;
|
||||
|
||||
if (level)
|
||||
on_time += now - last_interrupt;
|
||||
|
||||
const float total_time = float(now - this->last_update_);
|
||||
|
||||
const float value = (on_time / total_time) * 100.0f;
|
||||
const float value = (on_time * 100.0f) / total_time;
|
||||
ESP_LOGD(TAG, "'%s' Got duty cycle=%.1f%%", this->get_name().c_str(), value);
|
||||
this->publish_state(value);
|
||||
}
|
||||
this->store_.on_time = 0;
|
||||
this->store_.last_interrupt = now;
|
||||
this->last_update_ = now;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user