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2 changed files with 34 additions and 9 deletions
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@ -36,6 +36,20 @@ static constexpr float CHANNEL_NM[NUM_USEFUL_CHANNELS] = {405, 425, 450, 475, 51
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600, 640, 690, 745, 855, 718};
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600, 640, 690, 745, 855, 718};
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static constexpr float CHANNEL_NM_WIDTH[NUM_USEFUL_CHANNELS] = {30, 22, 55, 30, 40, 100, 35, 80, 50, 55, 60, 54, 0};
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static constexpr float CHANNEL_NM_WIDTH[NUM_USEFUL_CHANNELS] = {30, 22, 55, 30, 40, 100, 35, 80, 50, 55, 60, 54, 0};
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static constexpr float CHANNEL_PHOTOPIC_LUMINOSITY[NUM_USEFUL_CHANNELS] = {0.0006400000000,
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0.0073000000000,
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0.0380000000000,
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0.1126000000000,
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0.6082000000000,
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0.9949501000000,
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1.0000000000000,
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0.6310000000000,
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0.1750000000000,
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0.0082100000000,
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0.0001719000000,
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0,
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0};
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// Irradiation in mW/m² per basic count
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// Irradiation in mW/m² per basic count
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static constexpr float CHANNEL_IRRAD_MW_PER_BASIC_COUNT[NUM_USEFUL_CHANNELS] = {
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static constexpr float CHANNEL_IRRAD_MW_PER_BASIC_COUNT[NUM_USEFUL_CHANNELS] = {
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767.5101757, 2512.765376, 2034.308898, 5730.41039, 1404.780643, 1177.586336, 2803.31385,
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767.5101757, 2512.765376, 2034.308898, 5730.41039, 1404.780643, 1177.586336, 2803.31385,
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@ -137,6 +151,13 @@ void AS7343Component::update() {
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this->read_18_channels(this->channel_readings_);
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this->read_18_channels(this->channel_readings_);
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this->enable_spectral_measurement(false);
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this->enable_spectral_measurement(false);
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for (uint8_t i = 0; i < NUM_USEFUL_CHANNELS; i++) {
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ESP_LOGD(TAG, "Channel %d: %d", i, this->channel_readings_[CHANNEL_IDX[i]]);
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}
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this->channel_readings_[AS7343_CHANNEL_FD] = 0;
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this->channel_readings_[AS7343_CHANNEL_FD_0] = 0;
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this->channel_readings_[AS7343_CHANNEL_FD_1] = 0;
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if (0) {
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if (0) {
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this->channel_readings_[AS7343_CHANNEL_CLEAR] = 0;
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this->channel_readings_[AS7343_CHANNEL_CLEAR] = 0;
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this->channel_readings_[AS7343_CHANNEL_CLEAR_0] = 0;
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this->channel_readings_[AS7343_CHANNEL_CLEAR_0] = 0;
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@ -159,7 +180,7 @@ void AS7343Component::update() {
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}
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}
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}
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}
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if (this->spectral_post_process_()) {
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if (this->spectral_post_process_(false)) {
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ESP_LOGW(TAG, "Spectral post process - need to repeat 2");
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ESP_LOGW(TAG, "Spectral post process - need to repeat 2");
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}
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}
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@ -375,15 +396,17 @@ void AS7343Component::calculate_irradiance(float tint_ms, float gain_x, float &i
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// ESP_LOGD(TAG, "[%2d] Basic count %f", i, basic_count);
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// ESP_LOGD(TAG, "[%2d] Basic count %f", i, basic_count);
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basic_count *= AS7343_GAIN_CORRECTION[(uint8_t) gain][i];
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basic_count *= AS7343_GAIN_CORRECTION[(uint8_t) gain][i];
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// ESP_LOGD(TAG, "[%2d] gain corrected %f", i, basic_count);
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// ESP_LOGD(TAG, "[%2d] gain corrected %f", i, basic_count);
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irr_band = basic_count * CHANNEL_IRRAD_MW_PER_BASIC_COUNT[i] / 10000; // 1000 - if mW/m2, 100 if its uW/cm2
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irr_band = basic_count * CHANNEL_IRRAD_MW_PER_BASIC_COUNT[i] / 1000; // 1000 - if mW/m2, 100 if its uW/cm2
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// ESP_LOGD(TAG, "[%2d] irradiance %f", i, irr_band);
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// ESP_LOGD(TAG, "[%2d] irradiance %f", i, irr_band);
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irradiance_in_w_per_m2 += irr_band * CHANNEL_ENERGY_CONTRIBUTION[i];
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irr_band *= CHANNEL_ENERGY_CONTRIBUTION[i];
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lux += irr_band * CHANNEL_PHOTOPIC_LUMINOSITY[i];
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irradiance_in_w_per_m2 += irr_band ;
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// ESP_LOGD(TAG, "[%2d] band irradiance %f", i, irr_band * CHANNEL_ENERGY_CONTRIBUTION[i]);
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// ESP_LOGD(TAG, "[%2d] band irradiance %f", i, irr_band * CHANNEL_ENERGY_CONTRIBUTION[i]);
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}
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}
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// sunlight equivalent
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// sunlight equivalent
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// 1 W/m2 = 116 ± 3 lx solar
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// 1 W/m2 = 116 ± 3 lx solar
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// https://www.extrica.com/article/21667/pdf
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// https://www.extrica.com/article/21667/pdf
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lux = irradiance_in_w_per_m2 * 116;
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lux *= 116;
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}
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}
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bool AS7343Component::read_18_channels(std::array<uint16_t, AS7343_NUM_CHANNELS> &data) {
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bool AS7343Component::read_18_channels(std::array<uint16_t, AS7343_NUM_CHANNELS> &data) {
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@ -811,7 +834,7 @@ template<typename T, size_t N> T AS7343Component::get_highest_value(std::array<T
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#define SATURATION_HIGH_PERCENT 100
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#define SATURATION_HIGH_PERCENT 100
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#define ADC_SATURATED_VALUE 65535
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#define ADC_SATURATED_VALUE 65535
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bool AS7343Component::spectral_post_process_() {
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bool AS7343Component::spectral_post_process_(bool fire_at_will) {
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bool need_to_repeat = false;
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bool need_to_repeat = false;
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uint16_t highest_value, maximum_adc;
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uint16_t highest_value, maximum_adc;
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bool is_saturation{false};
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bool is_saturation{false};
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@ -825,9 +848,11 @@ bool AS7343Component::spectral_post_process_() {
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this->get_optimized_gain_(max_adc, highest_adc, AS7343Gain::AS7343_GAIN_0_5X, AS7343Gain::AS7343_GAIN_128X, new_gain,
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this->get_optimized_gain_(max_adc, highest_adc, AS7343Gain::AS7343_GAIN_0_5X, AS7343Gain::AS7343_GAIN_128X, new_gain,
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is_saturation);
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is_saturation);
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if (new_gain != current_gain) {
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if (new_gain != current_gain) {
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// need to repeat the measurement
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if (fire_at_will) {
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this->set_gain((AS7343Gain) new_gain);
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// need to repeat the measurement
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this->setup_gain((AS7343Gain) new_gain);
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this->set_gain((AS7343Gain) new_gain);
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this->setup_gain((AS7343Gain) new_gain);
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}
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need_to_repeat = true;
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need_to_repeat = true;
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} else if (is_saturation) {
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} else if (is_saturation) {
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// digital saturation
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// digital saturation
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@ -105,7 +105,7 @@ class AS7343Component : public PollingComponent, public i2c::I2CDevice {
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void direct_config_3_chain_();
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void direct_config_3_chain_();
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void setup_tint_(float tint);
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void setup_tint_(float tint);
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bool spectral_post_process_();
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bool spectral_post_process_(bool fire_at_will = true);
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void get_optimized_gain_(uint16_t maximum_adc, uint16_t highest_adc, uint8_t lower_gain_limit,
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void get_optimized_gain_(uint16_t maximum_adc, uint16_t highest_adc, uint8_t lower_gain_limit,
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uint8_t upper_gain_limit, uint8_t &out_gain, bool &out_saturation);
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uint8_t upper_gain_limit, uint8_t &out_gain, bool &out_saturation);
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