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Mhz19 warmup (#6214)

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Fabio Pugliese Ornellas 2024-03-11 18:17:47 +00:00 committed by GitHub
parent e4df422798
commit 430ee43b93
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3 changed files with 18 additions and 0 deletions
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10
esphome/components/mhz19/mhz19.cpp
View file

@ -29,6 +29,14 @@ void MHZ19Component::setup() {
} }
void MHZ19Component::update() { void MHZ19Component::update() {
uint32_t now_ms = millis();
uint32_t warmup_ms = this->warmup_seconds_ * 1000;
if (now_ms < warmup_ms) {
ESP_LOGW(TAG, "MHZ19 warming up, %ds left", (warmup_ms - now_ms) / 1000);
this->status_set_warning();
return;
}
uint8_t response[MHZ19_RESPONSE_LENGTH]; uint8_t response[MHZ19_RESPONSE_LENGTH];
if (!this->mhz19_write_command_(MHZ19_COMMAND_GET_PPM, response)) { if (!this->mhz19_write_command_(MHZ19_COMMAND_GET_PPM, response)) {
ESP_LOGW(TAG, "Reading data from MHZ19 failed!"); ESP_LOGW(TAG, "Reading data from MHZ19 failed!");
@ -101,6 +109,8 @@ void MHZ19Component::dump_config() {
} else if (this->abc_boot_logic_ == MHZ19_ABC_DISABLED) { } else if (this->abc_boot_logic_ == MHZ19_ABC_DISABLED) {
ESP_LOGCONFIG(TAG, " Automatic baseline calibration disabled on boot"); ESP_LOGCONFIG(TAG, " Automatic baseline calibration disabled on boot");
} }
ESP_LOGCONFIG(TAG, " Warmup seconds: %ds", this->warmup_seconds_);
} }
} // namespace mhz19 } // namespace mhz19

2
esphome/components/mhz19/mhz19.h
View file

@ -25,6 +25,7 @@ class MHZ19Component : public PollingComponent, public uart::UARTDevice {
void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; } void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
void set_co2_sensor(sensor::Sensor *co2_sensor) { co2_sensor_ = co2_sensor; } void set_co2_sensor(sensor::Sensor *co2_sensor) { co2_sensor_ = co2_sensor; }
void set_abc_enabled(bool abc_enabled) { abc_boot_logic_ = abc_enabled ? MHZ19_ABC_ENABLED : MHZ19_ABC_DISABLED; } void set_abc_enabled(bool abc_enabled) { abc_boot_logic_ = abc_enabled ? MHZ19_ABC_ENABLED : MHZ19_ABC_DISABLED; }
void set_warmup_seconds(uint32_t seconds) { warmup_seconds_ = seconds; }
protected: protected:
bool mhz19_write_command_(const uint8_t *command, uint8_t *response); bool mhz19_write_command_(const uint8_t *command, uint8_t *response);
@ -32,6 +33,7 @@ class MHZ19Component : public PollingComponent, public uart::UARTDevice {
sensor::Sensor *temperature_sensor_{nullptr}; sensor::Sensor *temperature_sensor_{nullptr};
sensor::Sensor *co2_sensor_{nullptr}; sensor::Sensor *co2_sensor_{nullptr};
MHZ19ABCLogic abc_boot_logic_{MHZ19_ABC_NONE}; MHZ19ABCLogic abc_boot_logic_{MHZ19_ABC_NONE};
uint32_t warmup_seconds_;
}; };
template<typename... Ts> class MHZ19CalibrateZeroAction : public Action<Ts...> { template<typename... Ts> class MHZ19CalibrateZeroAction : public Action<Ts...> {

6
esphome/components/mhz19/sensor.py
View file

@ -18,6 +18,7 @@ from esphome.const import (
DEPENDENCIES = ["uart"] DEPENDENCIES = ["uart"]
CONF_AUTOMATIC_BASELINE_CALIBRATION = "automatic_baseline_calibration" CONF_AUTOMATIC_BASELINE_CALIBRATION = "automatic_baseline_calibration"
CONF_WARMUP_TIME = "warmup_time"
mhz19_ns = cg.esphome_ns.namespace("mhz19") mhz19_ns = cg.esphome_ns.namespace("mhz19")
MHZ19Component = mhz19_ns.class_("MHZ19Component", cg.PollingComponent, uart.UARTDevice) MHZ19Component = mhz19_ns.class_("MHZ19Component", cg.PollingComponent, uart.UARTDevice)
@ -45,6 +46,9 @@ CONFIG_SCHEMA = (
state_class=STATE_CLASS_MEASUREMENT, state_class=STATE_CLASS_MEASUREMENT,
), ),
cv.Optional(CONF_AUTOMATIC_BASELINE_CALIBRATION): cv.boolean, cv.Optional(CONF_AUTOMATIC_BASELINE_CALIBRATION): cv.boolean,
cv.Optional(
CONF_WARMUP_TIME, default="75s"
): cv.positive_time_period_seconds,
} }
) )
.extend(cv.polling_component_schema("60s")) .extend(cv.polling_component_schema("60s"))
@ -68,6 +72,8 @@ async def to_code(config):
if CONF_AUTOMATIC_BASELINE_CALIBRATION in config: if CONF_AUTOMATIC_BASELINE_CALIBRATION in config:
cg.add(var.set_abc_enabled(config[CONF_AUTOMATIC_BASELINE_CALIBRATION])) cg.add(var.set_abc_enabled(config[CONF_AUTOMATIC_BASELINE_CALIBRATION]))
cg.add(var.set_warmup_seconds(config[CONF_WARMUP_TIME]))
CALIBRATION_ACTION_SCHEMA = maybe_simple_id( CALIBRATION_ACTION_SCHEMA = maybe_simple_id(
{ {