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AMS iAQ Core CO2 sensor component (#5192)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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6 changed files with 192 additions and 0 deletions
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@ -132,6 +132,7 @@ esphome/components/i2s_audio/* @jesserockz
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esphome/components/i2s_audio/media_player/* @jesserockz
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esphome/components/i2s_audio/microphone/* @jesserockz
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esphome/components/i2s_audio/speaker/* @jesserockz
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esphome/components/iaqcore/* @yozik04
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esphome/components/ili9xxx/* @clydebarrow @nielsnl68
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esphome/components/improv_base/* @esphome/core
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esphome/components/improv_serial/* @esphome/core
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0
esphome/components/iaqcore/__init__.py
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0
esphome/components/iaqcore/__init__.py
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99
esphome/components/iaqcore/iaqcore.cpp
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esphome/components/iaqcore/iaqcore.cpp
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@ -0,0 +1,99 @@
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#include "iaqcore.h"
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#include "esphome/core/log.h"
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#include "esphome/core/hal.h"
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#include "esphome/core/helpers.h"
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namespace esphome {
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namespace iaqcore {
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static const char *const TAG = "iaqcore";
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enum IAQCoreErrorCode : uint8_t { ERROR_OK = 0, ERROR_RUNIN = 0x10, ERROR_BUSY = 0x01, ERROR_ERROR = 0x80 };
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struct SensorData {
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uint16_t co2;
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IAQCoreErrorCode status;
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int32_t resistance;
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uint16_t tvoc;
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SensorData(const uint8_t *buffer) {
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this->co2 = encode_uint16(buffer[0], buffer[1]);
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this->status = static_cast<IAQCoreErrorCode>(buffer[2]);
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this->resistance = encode_uint32(buffer[3], buffer[4], buffer[5], buffer[6]);
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this->tvoc = encode_uint16(buffer[7], buffer[8]);
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}
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};
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void IAQCore::setup() {
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if (this->write(nullptr, 0) != i2c::ERROR_OK) {
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ESP_LOGD(TAG, "Communication failed!");
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this->mark_failed();
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return;
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}
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}
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void IAQCore::update() {
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uint8_t buffer[sizeof(SensorData)];
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if (this->read_register(0xB5, buffer, sizeof(buffer), false) != i2c::ERROR_OK) {
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ESP_LOGD(TAG, "Read failed");
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this->status_set_warning();
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this->publish_nans_();
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return;
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}
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SensorData data(buffer);
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switch (data.status) {
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case ERROR_OK:
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ESP_LOGD(TAG, "OK");
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break;
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case ERROR_RUNIN:
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ESP_LOGI(TAG, "Warming up");
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break;
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case ERROR_BUSY:
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ESP_LOGI(TAG, "Busy");
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break;
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case ERROR_ERROR:
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ESP_LOGE(TAG, "Error");
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break;
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}
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if (data.status != ERROR_OK) {
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this->status_set_warning();
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this->publish_nans_();
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return;
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}
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if (this->co2_ != nullptr) {
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this->co2_->publish_state(data.co2);
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}
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if (this->tvoc_ != nullptr) {
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this->tvoc_->publish_state(data.tvoc);
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}
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this->status_clear_warning();
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}
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void IAQCore::publish_nans_() {
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if (this->co2_ != nullptr) {
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this->co2_->publish_state(NAN);
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}
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if (this->tvoc_ != nullptr) {
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this->tvoc_->publish_state(NAN);
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}
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}
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void IAQCore::dump_config() {
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ESP_LOGCONFIG(TAG, "AMS iAQ Core:");
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LOG_I2C_DEVICE(this);
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LOG_UPDATE_INTERVAL(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with AMS iAQ Core failed!");
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}
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LOG_SENSOR(" ", "CO2", this->co2_);
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LOG_SENSOR(" ", "TVOC", this->tvoc_);
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}
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} // namespace iaqcore
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} // namespace esphome
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29
esphome/components/iaqcore/iaqcore.h
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esphome/components/iaqcore/iaqcore.h
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/i2c/i2c.h"
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namespace esphome {
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namespace iaqcore {
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class IAQCore : public PollingComponent, public i2c::I2CDevice {
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public:
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void set_co2(sensor::Sensor *co2) { co2_ = co2; }
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void set_tvoc(sensor::Sensor *tvoc) { tvoc_ = tvoc; }
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void setup() override;
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void update() override;
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void dump_config() override;
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float get_setup_priority() const override { return setup_priority::DATA; }
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protected:
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sensor::Sensor *co2_{nullptr};
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sensor::Sensor *tvoc_{nullptr};
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void publish_nans_();
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};
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} // namespace iaqcore
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} // namespace esphome
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57
esphome/components/iaqcore/sensor.py
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esphome/components/iaqcore/sensor.py
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import i2c, sensor
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from esphome.const import (
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CONF_CO2,
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CONF_ID,
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CONF_TVOC,
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DEVICE_CLASS_CARBON_DIOXIDE,
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DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
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STATE_CLASS_MEASUREMENT,
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UNIT_PARTS_PER_MILLION,
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UNIT_PARTS_PER_BILLION,
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)
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DEPENDENCIES = ["i2c"]
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CODEOWNERS = ["@yozik04"]
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iaqcore_ns = cg.esphome_ns.namespace("iaqcore")
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iAQCore = iaqcore_ns.class_("IAQCore", cg.PollingComponent, i2c.I2CDevice)
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(iAQCore),
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cv.Optional(CONF_CO2): sensor.sensor_schema(
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unit_of_measurement=UNIT_PARTS_PER_MILLION,
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accuracy_decimals=0,
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device_class=DEVICE_CLASS_CARBON_DIOXIDE,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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cv.Optional(CONF_TVOC): sensor.sensor_schema(
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unit_of_measurement=UNIT_PARTS_PER_BILLION,
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accuracy_decimals=0,
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device_class=DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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}
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)
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.extend(cv.polling_component_schema("60s"))
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.extend(i2c.i2c_device_schema(0x5A))
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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if co2_config := config.get(CONF_CO2):
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sens = await sensor.new_sensor(co2_config)
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cg.add(var.set_co2(sens))
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if tvoc_config := config.get(CONF_TVOC):
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sens = await sensor.new_sensor(tvoc_config)
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cg.add(var.set_tvoc(sens))
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await i2c.register_i2c_device(var, config)
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@ -1442,6 +1442,12 @@ sensor:
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id: temp_etuve
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humidity:
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name: "Humidity hyt271"
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- platform: iaqcore
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i2c_id: i2c_bus
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co2:
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name: "iAQ Core CO2 Sensor"
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tvoc:
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name: "iAQ Core TVOC Sensor"
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- platform: tmp1075
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name: "Temperature TMP1075"
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update_interval: 10s
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