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Add support for VEML3235 lux sensor (#5959)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Keith Burzinski
GitHub
parent
596943b683
commit
0cd232cdf5
6 changed files with 434 additions and 0 deletions
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@ -362,6 +362,7 @@ esphome/components/ufire_ec/* @pvizeli
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esphome/components/ufire_ise/* @pvizeli
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esphome/components/ufire_ise/* @pvizeli
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esphome/components/ultrasonic/* @OttoWinter
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esphome/components/ultrasonic/* @OttoWinter
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esphome/components/vbus/* @ssieb
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esphome/components/vbus/* @ssieb
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esphome/components/veml3235/* @kbx81
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esphome/components/version/* @esphome/core
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esphome/components/version/* @esphome/core
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esphome/components/voice_assistant/* @jesserockz
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esphome/components/voice_assistant/* @jesserockz
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esphome/components/wake_on_lan/* @willwill2will54
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esphome/components/wake_on_lan/* @willwill2will54
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0
esphome/components/veml3235/__init__.py
Normal file
0
esphome/components/veml3235/__init__.py
Normal file
84
esphome/components/veml3235/sensor.py
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84
esphome/components/veml3235/sensor.py
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@ -0,0 +1,84 @@
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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_GAIN,
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CONF_INTEGRATION_TIME,
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DEVICE_CLASS_ILLUMINANCE,
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STATE_CLASS_MEASUREMENT,
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UNIT_LUX,
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)
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CODEOWNERS = ["@kbx81"]
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DEPENDENCIES = ["i2c"]
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CONF_AUTO_GAIN = "auto_gain"
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CONF_AUTO_GAIN_THRESHOLD_HIGH = "auto_gain_threshold_high"
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CONF_AUTO_GAIN_THRESHOLD_LOW = "auto_gain_threshold_low"
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CONF_DIGITAL_GAIN = "digital_gain"
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veml3235_ns = cg.esphome_ns.namespace("veml3235")
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VEML3235Sensor = veml3235_ns.class_(
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"VEML3235Sensor", sensor.Sensor, cg.PollingComponent, i2c.I2CDevice
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)
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VEML3235IntegrationTime = veml3235_ns.enum("VEML3235IntegrationTime")
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VEML3235_INTEGRATION_TIMES = {
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"50ms": VEML3235IntegrationTime.VEML3235_INTEGRATION_TIME_50MS,
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"100ms": VEML3235IntegrationTime.VEML3235_INTEGRATION_TIME_100MS,
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"200ms": VEML3235IntegrationTime.VEML3235_INTEGRATION_TIME_200MS,
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"400ms": VEML3235IntegrationTime.VEML3235_INTEGRATION_TIME_400MS,
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"800ms": VEML3235IntegrationTime.VEML3235_INTEGRATION_TIME_800MS,
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}
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VEML3235ComponentDigitalGain = veml3235_ns.enum("VEML3235ComponentDigitalGain")
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DIGITAL_GAINS = {
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"1X": VEML3235ComponentDigitalGain.VEML3235_DIGITAL_GAIN_1X,
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"2X": VEML3235ComponentDigitalGain.VEML3235_DIGITAL_GAIN_2X,
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}
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VEML3235ComponentGain = veml3235_ns.enum("VEML3235ComponentGain")
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GAINS = {
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"1X": VEML3235ComponentGain.VEML3235_GAIN_1X,
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"2X": VEML3235ComponentGain.VEML3235_GAIN_2X,
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"4X": VEML3235ComponentGain.VEML3235_GAIN_4X,
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"AUTO": VEML3235ComponentGain.VEML3235_GAIN_AUTO,
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}
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CONFIG_SCHEMA = (
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sensor.sensor_schema(
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VEML3235Sensor,
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unit_of_measurement=UNIT_LUX,
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accuracy_decimals=1,
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device_class=DEVICE_CLASS_ILLUMINANCE,
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state_class=STATE_CLASS_MEASUREMENT,
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)
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.extend(
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{
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cv.Optional(CONF_DIGITAL_GAIN, default="1X"): cv.enum(
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DIGITAL_GAINS, upper=True
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),
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cv.Optional(CONF_AUTO_GAIN, default=True): cv.boolean,
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cv.Optional(CONF_AUTO_GAIN_THRESHOLD_HIGH, default="90%"): cv.percentage,
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cv.Optional(CONF_AUTO_GAIN_THRESHOLD_LOW, default="20%"): cv.percentage,
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cv.Optional(CONF_GAIN, default="1X"): cv.enum(GAINS, upper=True),
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cv.Optional(CONF_INTEGRATION_TIME, default="50ms"): cv.All(
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cv.positive_time_period_milliseconds,
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cv.enum(VEML3235_INTEGRATION_TIMES, lower=True),
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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(0x10))
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)
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async def to_code(config):
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var = await sensor.new_sensor(config)
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await cg.register_component(var, config)
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await i2c.register_i2c_device(var, config)
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cg.add(var.set_auto_gain(config[CONF_AUTO_GAIN]))
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cg.add(var.set_auto_gain_threshold_high(config[CONF_AUTO_GAIN_THRESHOLD_HIGH]))
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cg.add(var.set_auto_gain_threshold_low(config[CONF_AUTO_GAIN_THRESHOLD_LOW]))
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cg.add(var.set_digital_gain(DIGITAL_GAINS[config[CONF_DIGITAL_GAIN]]))
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cg.add(var.set_gain(GAINS[config[CONF_GAIN]]))
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cg.add(var.set_integration_time(config[CONF_INTEGRATION_TIME]))
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230
esphome/components/veml3235/veml3235.cpp
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230
esphome/components/veml3235/veml3235.cpp
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@ -0,0 +1,230 @@
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#include "veml3235.h"
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#include "esphome/core/helpers.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace veml3235 {
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static const char *const TAG = "veml3235.sensor";
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void VEML3235Sensor::setup() {
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uint8_t device_id[] = {0, 0};
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ESP_LOGCONFIG(TAG, "Setting up VEML3235 '%s'...", this->name_.c_str());
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if (!this->refresh_config_reg()) {
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ESP_LOGE(TAG, "Unable to write configuration");
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this->mark_failed();
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return;
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}
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if ((this->write(&ID_REG, 1, false) != i2c::ERROR_OK) || !this->read_bytes_raw(device_id, 2)) {
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ESP_LOGE(TAG, "Unable to read ID");
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this->mark_failed();
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return;
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} else if (device_id[0] != DEVICE_ID) {
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ESP_LOGE(TAG, "Incorrect device ID - expected 0x%.2x, read 0x%.2x", DEVICE_ID, device_id[0]);
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this->mark_failed();
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return;
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}
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}
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bool VEML3235Sensor::refresh_config_reg(bool force_on) {
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uint16_t data = this->power_on_ || force_on ? 0 : SHUTDOWN_BITS;
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data |= (uint16_t(this->integration_time_ << CONFIG_REG_IT_BIT));
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data |= (uint16_t(this->digital_gain_ << CONFIG_REG_DG_BIT));
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data |= (uint16_t(this->gain_ << CONFIG_REG_G_BIT));
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data |= 0x1; // mandatory 1 here per RM
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ESP_LOGVV(TAG, "Writing 0x%.4x to register 0x%.2x", data, CONFIG_REG);
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return this->write_byte_16(CONFIG_REG, data);
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}
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float VEML3235Sensor::read_lx_() {
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if (!this->power_on_) { // if off, turn on
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if (!this->refresh_config_reg(true)) {
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ESP_LOGW(TAG, "Turning on failed");
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this->status_set_warning();
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return NAN;
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}
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delay(4); // from RM: a wait time of 4 ms should be observed before the first measurement is picked up, to allow
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// for a correct start of the signal processor and oscillator
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}
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uint8_t als_regs[] = {0, 0};
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if ((this->write(&ALS_REG, 1, false) != i2c::ERROR_OK) || !this->read_bytes_raw(als_regs, 2)) {
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this->status_set_warning();
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return NAN;
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}
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this->status_clear_warning();
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float als_raw_value_multiplier = LUX_MULTIPLIER_BASE;
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uint16_t als_raw_value = encode_uint16(als_regs[1], als_regs[0]);
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// determine multiplier value based on gains and integration time
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if (this->digital_gain_ == VEML3235_DIGITAL_GAIN_1X) {
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als_raw_value_multiplier *= 2;
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}
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switch (this->gain_) {
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case VEML3235_GAIN_1X:
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als_raw_value_multiplier *= 4;
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break;
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case VEML3235_GAIN_2X:
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als_raw_value_multiplier *= 2;
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break;
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default:
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break;
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}
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switch (this->integration_time_) {
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case VEML3235_INTEGRATION_TIME_50MS:
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als_raw_value_multiplier *= 16;
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break;
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case VEML3235_INTEGRATION_TIME_100MS:
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als_raw_value_multiplier *= 8;
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break;
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case VEML3235_INTEGRATION_TIME_200MS:
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als_raw_value_multiplier *= 4;
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break;
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case VEML3235_INTEGRATION_TIME_400MS:
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als_raw_value_multiplier *= 2;
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break;
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default:
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break;
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}
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// finally, determine and return the actual lux value
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float lx = float(als_raw_value) * als_raw_value_multiplier;
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ESP_LOGVV(TAG, "'%s': ALS raw = %u, multiplier = %.5f", this->get_name().c_str(), als_raw_value,
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als_raw_value_multiplier);
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ESP_LOGD(TAG, "'%s': Illuminance = %.4flx", this->get_name().c_str(), lx);
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if (!this->power_on_) { // turn off if required
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if (!this->refresh_config_reg()) {
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ESP_LOGW(TAG, "Turning off failed");
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this->status_set_warning();
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}
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}
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if (this->auto_gain_) {
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this->adjust_gain_(als_raw_value);
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}
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return lx;
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}
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void VEML3235Sensor::adjust_gain_(const uint16_t als_raw_value) {
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if ((als_raw_value > UINT16_MAX * this->auto_gain_threshold_low_) &&
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(als_raw_value < UINT16_MAX * this->auto_gain_threshold_high_)) {
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return;
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}
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if (als_raw_value >= UINT16_MAX * 0.9) { // over-saturated, reset all gains and start over
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this->digital_gain_ = VEML3235_DIGITAL_GAIN_1X;
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this->gain_ = VEML3235_GAIN_1X;
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this->integration_time_ = VEML3235_INTEGRATION_TIME_50MS;
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this->refresh_config_reg();
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return;
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}
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if (this->gain_ != VEML3235_GAIN_4X) { // increase gain if possible
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switch (this->gain_) {
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case VEML3235_GAIN_1X:
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this->gain_ = VEML3235_GAIN_2X;
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break;
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case VEML3235_GAIN_2X:
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this->gain_ = VEML3235_GAIN_4X;
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break;
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default:
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break;
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}
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this->refresh_config_reg();
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return;
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}
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// gain is maxed out; reset it and try to increase digital gain
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if (this->digital_gain_ != VEML3235_DIGITAL_GAIN_2X) { // increase digital gain if possible
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this->digital_gain_ = VEML3235_DIGITAL_GAIN_2X;
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this->gain_ = VEML3235_GAIN_1X;
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this->refresh_config_reg();
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return;
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}
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// digital gain is maxed out; reset it and try to increase integration time
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if (this->integration_time_ != VEML3235_INTEGRATION_TIME_800MS) { // increase integration time if possible
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switch (this->integration_time_) {
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case VEML3235_INTEGRATION_TIME_50MS:
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this->integration_time_ = VEML3235_INTEGRATION_TIME_100MS;
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break;
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case VEML3235_INTEGRATION_TIME_100MS:
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this->integration_time_ = VEML3235_INTEGRATION_TIME_200MS;
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break;
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case VEML3235_INTEGRATION_TIME_200MS:
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this->integration_time_ = VEML3235_INTEGRATION_TIME_400MS;
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break;
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case VEML3235_INTEGRATION_TIME_400MS:
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this->integration_time_ = VEML3235_INTEGRATION_TIME_800MS;
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break;
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default:
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break;
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}
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this->digital_gain_ = VEML3235_DIGITAL_GAIN_1X;
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this->gain_ = VEML3235_GAIN_1X;
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this->refresh_config_reg();
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return;
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}
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}
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void VEML3235Sensor::dump_config() {
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uint8_t digital_gain = 1;
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uint8_t gain = 1;
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uint16_t integration_time = 0;
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if (this->digital_gain_ == VEML3235_DIGITAL_GAIN_2X) {
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digital_gain = 2;
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}
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switch (this->gain_) {
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case VEML3235_GAIN_2X:
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gain = 2;
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break;
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case VEML3235_GAIN_4X:
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gain = 4;
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break;
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default:
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break;
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}
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switch (this->integration_time_) {
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case VEML3235_INTEGRATION_TIME_50MS:
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integration_time = 50;
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break;
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case VEML3235_INTEGRATION_TIME_100MS:
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integration_time = 100;
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break;
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case VEML3235_INTEGRATION_TIME_200MS:
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integration_time = 200;
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break;
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case VEML3235_INTEGRATION_TIME_400MS:
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integration_time = 400;
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break;
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case VEML3235_INTEGRATION_TIME_800MS:
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integration_time = 800;
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break;
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default:
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break;
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}
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LOG_SENSOR("", "VEML3235", this);
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LOG_I2C_DEVICE(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication failed");
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}
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LOG_UPDATE_INTERVAL(this);
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ESP_LOGCONFIG(TAG, " Auto-gain enabled: %s", YESNO(this->auto_gain_));
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if (this->auto_gain_) {
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ESP_LOGCONFIG(TAG, " Auto-gain upper threshold: %f%%", this->auto_gain_threshold_high_ * 100.0);
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ESP_LOGCONFIG(TAG, " Auto-gain lower threshold: %f%%", this->auto_gain_threshold_low_ * 100.0);
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ESP_LOGCONFIG(TAG, " Values below will be used as initial values only");
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}
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ESP_LOGCONFIG(TAG, " Digital gain: %uX", digital_gain);
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ESP_LOGCONFIG(TAG, " Gain: %uX", gain);
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ESP_LOGCONFIG(TAG, " Integration time: %ums", integration_time);
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}
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} // namespace veml3235
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} // namespace esphome
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109
esphome/components/veml3235/veml3235.h
Normal file
109
esphome/components/veml3235/veml3235.h
Normal file
|
|
@ -0,0 +1,109 @@
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "esphome/core/component.h"
|
||||||
|
#include "esphome/core/hal.h"
|
||||||
|
#include "esphome/components/sensor/sensor.h"
|
||||||
|
#include "esphome/components/i2c/i2c.h"
|
||||||
|
|
||||||
|
namespace esphome {
|
||||||
|
namespace veml3235 {
|
||||||
|
|
||||||
|
// Register IDs/locations
|
||||||
|
//
|
||||||
|
static const uint8_t CONFIG_REG = 0x00;
|
||||||
|
static const uint8_t W_REG = 0x04;
|
||||||
|
static const uint8_t ALS_REG = 0x05;
|
||||||
|
static const uint8_t ID_REG = 0x09;
|
||||||
|
|
||||||
|
// Bit offsets within CONFIG_REG
|
||||||
|
//
|
||||||
|
static const uint8_t CONFIG_REG_IT_BIT = 12;
|
||||||
|
static const uint8_t CONFIG_REG_DG_BIT = 5;
|
||||||
|
static const uint8_t CONFIG_REG_G_BIT = 3;
|
||||||
|
|
||||||
|
// Other important constants
|
||||||
|
//
|
||||||
|
static const uint8_t DEVICE_ID = 0x35;
|
||||||
|
static const uint16_t SHUTDOWN_BITS = 0x0018;
|
||||||
|
|
||||||
|
// Base multiplier value for lux computation
|
||||||
|
//
|
||||||
|
static const float LUX_MULTIPLIER_BASE = 0.00213;
|
||||||
|
|
||||||
|
// Enum for conversion/integration time settings for the VEML3235.
|
||||||
|
//
|
||||||
|
// Specific values of the enum constants are register values taken from the VEML3235 datasheet.
|
||||||
|
// Longer times mean more accurate results, but will take more energy/more time.
|
||||||
|
//
|
||||||
|
enum VEML3235ComponentIntegrationTime {
|
||||||
|
VEML3235_INTEGRATION_TIME_50MS = 0b000,
|
||||||
|
VEML3235_INTEGRATION_TIME_100MS = 0b001,
|
||||||
|
VEML3235_INTEGRATION_TIME_200MS = 0b010,
|
||||||
|
VEML3235_INTEGRATION_TIME_400MS = 0b011,
|
||||||
|
VEML3235_INTEGRATION_TIME_800MS = 0b100,
|
||||||
|
};
|
||||||
|
|
||||||
|
// Enum for digital gain settings for the VEML3235.
|
||||||
|
// Higher values are better for low light situations, but can increase noise.
|
||||||
|
//
|
||||||
|
enum VEML3235ComponentDigitalGain {
|
||||||
|
VEML3235_DIGITAL_GAIN_1X = 0b0,
|
||||||
|
VEML3235_DIGITAL_GAIN_2X = 0b1,
|
||||||
|
};
|
||||||
|
|
||||||
|
// Enum for gain settings for the VEML3235.
|
||||||
|
// Higher values are better for low light situations, but can increase noise.
|
||||||
|
//
|
||||||
|
enum VEML3235ComponentGain {
|
||||||
|
VEML3235_GAIN_1X = 0b00,
|
||||||
|
VEML3235_GAIN_2X = 0b01,
|
||||||
|
VEML3235_GAIN_4X = 0b11,
|
||||||
|
};
|
||||||
|
|
||||||
|
class VEML3235Sensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
|
||||||
|
public:
|
||||||
|
void setup() override;
|
||||||
|
void dump_config() override;
|
||||||
|
void update() override { this->publish_state(this->read_lx_()); }
|
||||||
|
float get_setup_priority() const override { return setup_priority::DATA; }
|
||||||
|
|
||||||
|
// Used by ESPHome framework. Does NOT actually set the value on the device.
|
||||||
|
void set_auto_gain(bool auto_gain) { this->auto_gain_ = auto_gain; }
|
||||||
|
void set_auto_gain_threshold_high(float auto_gain_threshold_high) {
|
||||||
|
this->auto_gain_threshold_high_ = auto_gain_threshold_high;
|
||||||
|
}
|
||||||
|
void set_auto_gain_threshold_low(float auto_gain_threshold_low) {
|
||||||
|
this->auto_gain_threshold_low_ = auto_gain_threshold_low;
|
||||||
|
}
|
||||||
|
void set_power_on(bool power_on) { this->power_on_ = power_on; }
|
||||||
|
void set_digital_gain(VEML3235ComponentDigitalGain digital_gain) { this->digital_gain_ = digital_gain; }
|
||||||
|
void set_gain(VEML3235ComponentGain gain) { this->gain_ = gain; }
|
||||||
|
void set_integration_time(VEML3235ComponentIntegrationTime integration_time) {
|
||||||
|
this->integration_time_ = integration_time;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool auto_gain() { return this->auto_gain_; }
|
||||||
|
float auto_gain_threshold_high() { return this->auto_gain_threshold_high_; }
|
||||||
|
float auto_gain_threshold_low() { return this->auto_gain_threshold_low_; }
|
||||||
|
VEML3235ComponentDigitalGain digital_gain() { return this->digital_gain_; }
|
||||||
|
VEML3235ComponentGain gain() { return this->gain_; }
|
||||||
|
VEML3235ComponentIntegrationTime integration_time() { return this->integration_time_; }
|
||||||
|
|
||||||
|
// Updates the configuration register on the device
|
||||||
|
bool refresh_config_reg(bool force_on = false);
|
||||||
|
|
||||||
|
protected:
|
||||||
|
float read_lx_();
|
||||||
|
void adjust_gain_(uint16_t als_raw_value);
|
||||||
|
|
||||||
|
bool auto_gain_{true};
|
||||||
|
bool power_on_{true};
|
||||||
|
float auto_gain_threshold_high_{0.9};
|
||||||
|
float auto_gain_threshold_low_{0.2};
|
||||||
|
VEML3235ComponentDigitalGain digital_gain_{VEML3235_DIGITAL_GAIN_1X};
|
||||||
|
VEML3235ComponentGain gain_{VEML3235_GAIN_1X};
|
||||||
|
VEML3235ComponentIntegrationTime integration_time_{VEML3235_INTEGRATION_TIME_50MS};
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace veml3235
|
||||||
|
} // namespace esphome
|
||||||
|
|
@ -1370,6 +1370,16 @@ sensor:
|
||||||
name: tsl2591 calculated_lux
|
name: tsl2591 calculated_lux
|
||||||
id: tsl2591_cl
|
id: tsl2591_cl
|
||||||
i2c_id: i2c_bus
|
i2c_id: i2c_bus
|
||||||
|
- platform: veml3235
|
||||||
|
id: veml3235_sensor
|
||||||
|
name: VEML3235 Light Sensor
|
||||||
|
i2c_id: i2c_bus
|
||||||
|
auto_gain: true
|
||||||
|
auto_gain_threshold_high: 90%
|
||||||
|
auto_gain_threshold_low: 15%
|
||||||
|
digital_gain: 1X
|
||||||
|
gain: 1X
|
||||||
|
integration_time: 50ms
|
||||||
- platform: tee501
|
- platform: tee501
|
||||||
name: Office Temperature 3
|
name: Office Temperature 3
|
||||||
address: 0x48
|
address: 0x48
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue