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glass attn

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This commit is contained in:
Anton Viktorov 2024-03-14 12:32:31 +01:00
parent 7545e68d75
commit a04c9724cc
3 changed files with 41 additions and 16 deletions
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48
esphome/components/as7343/as7343.cpp
View file

@ -133,6 +133,7 @@ void AS7343Component::dump_config() {
ESP_LOGCONFIG(TAG, " Gain: %.1f", get_gain_multiplier(get_gain()));
ESP_LOGCONFIG(TAG, " ATIME: %u", get_atime());
ESP_LOGCONFIG(TAG, " ASTEP: %u", get_astep());
ESP_LOGCONFIG(TAG, " Glass attenuation factor: %f", this->glass_attenuation_factor_);
LOG_SENSOR(" ", "F1", this->f1_);
LOG_SENSOR(" ", "F2", this->f2_);
@ -174,7 +175,6 @@ void AS7343Component::update() {
this->enable_spectral_measurement(false);
this->calculate_basic_counts();
log13_s(TAG, "Channel", CHANNEL_NAMES);
log13_f(TAG, "Nm", CHANNEL_NM);
log13_d(TAG, "Counts", this->readings_.raw_counts);
@ -183,9 +183,9 @@ void AS7343Component::update() {
uint16_t highest_adc = this->get_highest_value(this->readings_.raw_counts);
if (highest_adc >= max_adc) {
ESP_LOGW(TAG, "Max ADC: %u, Highest ADC: %u", max_adc, highest_adc);
ESP_LOGW(TAG, "Max ADC: %u, Highest reading: %u", max_adc, highest_adc);
} else {
ESP_LOGD(TAG, "Max ADC: %u, Highest ADC: %u", max_adc, highest_adc);
ESP_LOGD(TAG, "Max ADC: %u, Highest reading: %u", max_adc, highest_adc);
}
ESP_LOGD(TAG, " ,Gain , %.1f,X", this->readings_.gain_x);
@ -206,15 +206,29 @@ void AS7343Component::update() {
// this->channel_readings_[CHANNEL_IDX[12]]);
float irradiance;
float irradiance_photopic;
float lux;
float ppfd;
this->calculate_irradiance(irradiance, lux);
this->calculate_irradiance(irradiance, irradiance_photopic, lux);
this->calculate_ppfd(ppfd);
ESP_LOGD(TAG, " ,Irradiance, %f, W/m²", irradiance);
ESP_LOGD(TAG, " ,Lux solar , %f, lx", lux);
ESP_LOGD(TAG, " ,PPFD , %.2f, µmol/s⋅m²", ppfd);
ESP_LOGD(TAG, "BEFORE GLASS ATTENUATION");
ESP_LOGD(TAG, " ,Irradiance , %f, W/m²", irradiance);
ESP_LOGD(TAG, " ,Irradiance(photopic), %f, W/m²", irradiance_photopic);
ESP_LOGD(TAG, " ,Lux(solar coeff) , %f, lx", lux);
ESP_LOGD(TAG, " ,PPFD , %.2f, µmol/s⋅m²", ppfd);
irradiance *= this->glass_attenuation_factor_;
irradiance_photopic *= this->glass_attenuation_factor_;
lux *= this->glass_attenuation_factor_;
ppfd *= this->glass_attenuation_factor_;
ESP_LOGD(TAG, "AFTER GLASS ATTENUATION");
ESP_LOGD(TAG, " ,Irradiance , %f, W/m²", irradiance);
ESP_LOGD(TAG, " ,Irradiance(photopic), %f, W/m²", irradiance_photopic);
ESP_LOGD(TAG, " ,Lux(solar coeff) , %f, lx", lux);
ESP_LOGD(TAG, " ,PPFD , %.2f, µmol/s⋅m²", ppfd);
if (this->illuminance_ != nullptr) {
this->illuminance_->publish_state(lux);
@ -387,25 +401,29 @@ void AS7343Component::calculate_ppfd(float &ppfd) {
}
}
void AS7343Component::calculate_irradiance(float &irradiance_in_w_per_m2, float &lux) {
void AS7343Component::calculate_irradiance(float &irradiance_in_w_per_m2, float &irradiance_in_w_per_m2_photopic,
float &lux) {
// Total irradiance in a whole wavelenght interval
float irr_band;
float lux_band;
float photo_band;
irradiance_in_w_per_m2 = 0;
irradiance_in_w_per_m2_photopic = 0;
lux = 0;
// walk through all bands except for Clear (VIS)
for (uint8_t i = 0; i < AS7343_NUM_CHANNELS - 1; i++) {
irr_band = this->readings_.basic_counts[i] * CHANNEL_IRRAD_MW_PER_BASIC_COUNT[i] / 1000;
// irr_band *= CHANNEL_ENERGY_CONTRIBUTION[i]; ?
lux_band = irr_band * CHANNEL_PHOTOPIC_LUMINOSITY[i];
lux += lux_band;
irradiance_in_w_per_m2 += irr_band;
// photo_band *= CHANNEL_ENERGY_CONTRIBUTION[i]; ?? ideas
// let's make model assumption bands are adjacent and cover whole range
photo_band = irr_band * CHANNEL_PHOTOPIC_LUMINOSITY[i];
irradiance_in_w_per_m2_photopic += photo_band;
}
// sunlight equivalent
// 1 W/m2 = 116 ± 3 lx solar
// https://www.extrica.com/article/21667/pdf
lux *= 116;
lux = irradiance_in_w_per_m2_photopic * 116;
}
bool AS7343Component::read_all_channels() {

4
esphome/components/as7343/as7343.h
View file

@ -37,6 +37,7 @@ class AS7343Component : public PollingComponent, public i2c::I2CDevice {
void set_gain(AS7343Gain gain) { gain_ = gain; }
void set_atime(uint8_t atime) { atime_ = atime; }
void set_astep(uint16_t astep) { astep_ = astep; }
void set_glass_attenuation_factor(float factor) { this->glass_attenuation_factor_ = factor; }
AS7343Gain get_gain();
uint8_t get_atime();
@ -54,7 +55,7 @@ class AS7343Component : public PollingComponent, public i2c::I2CDevice {
void calculate_basic_counts();
void calculate_ppfd(float &ppfd);
void calculate_irradiance(float &irradiance, float &lux);
void calculate_irradiance(float &irradiance, float &irradiance_photopic, float &lux);
bool wait_for_data(uint16_t timeout = 1000);
bool is_data_ready();
@ -94,6 +95,7 @@ class AS7343Component : public PollingComponent, public i2c::I2CDevice {
uint16_t astep_;
AS7343Gain gain_;
uint8_t atime_;
float glass_attenuation_factor_{1.0};
struct {
std::array<uint16_t, AS7343_NUM_CHANNELS> raw_counts;

5
esphome/components/as7343/sensor.py
View file

@ -7,6 +7,7 @@ from esphome.const import (
CONF_NAME,
CONF_ILLUMINANCE,
DEVICE_CLASS_ILLUMINANCE,
CONF_GLASS_ATTENUATION_FACTOR,
ICON_BRIGHTNESS_5,
STATE_CLASS_MEASUREMENT,
UNIT_LUX,
@ -98,6 +99,9 @@ CONFIG_SCHEMA = (
cv.Optional(CONF_GAIN, default="X8"): cv.enum(GAIN_OPTIONS),
cv.Optional(CONF_ATIME, default=29): cv.int_range(min=0, max=255),
cv.Optional(CONF_ASTEP, default=599): cv.int_range(min=0, max=65534),
cv.Optional(CONF_GLASS_ATTENUATION_FACTOR, default=1.0): cv.float_range(
min=1.0
),
cv.Optional(CONF_ILLUMINANCE): cv.maybe_simple_value(
sensor.sensor_schema(
unit_of_measurement=UNIT_LUX,
@ -173,6 +177,7 @@ async def to_code(config):
cg.add(var.set_gain(config[CONF_GAIN]))
cg.add(var.set_atime(config[CONF_ATIME]))
cg.add(var.set_astep(config[CONF_ASTEP]))
cg.add(var.set_glass_attenuation_factor(config[CONF_GLASS_ATTENUATION_FACTOR]))
for conf_id, set_sensor_func in SENSORS.items():
if sens_config := config.get(conf_id):