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Add AS7341 spectral color sensor (#4331)
* Add support for AS7341 spectral color sensor. * Run clang-format and clang-tidy. * Post-review changes. * Apply suggestions from code review --------- Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Morgan Robertson
GitHub
@@ -25,6 +25,7 @@ esphome/components/analog_threshold/* @ianchi
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esphome/components/animation/* @syndlex
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esphome/components/anova/* @buxtronix
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esphome/components/api/* @OttoWinter
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esphome/components/as7341/* @mrgnr
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esphome/components/async_tcp/* @OttoWinter
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esphome/components/atc_mithermometer/* @ahpohl
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esphome/components/b_parasite/* @rbaron
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0
esphome/components/as7341/__init__.py
Normal file
0
esphome/components/as7341/__init__.py
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271
esphome/components/as7341/as7341.cpp
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271
esphome/components/as7341/as7341.cpp
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@@ -0,0 +1,271 @@
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#include "as7341.h"
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#include "esphome/core/log.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace as7341 {
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static const char *const TAG = "as7341";
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void AS7341Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up AS7341...");
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LOG_I2C_DEVICE(this);
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// Verify device ID
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uint8_t id;
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this->read_byte(AS7341_ID, &id);
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ESP_LOGCONFIG(TAG, " Read ID: 0x%X", id);
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if ((id & 0xFC) != (AS7341_CHIP_ID << 2)) {
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this->mark_failed();
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return;
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}
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// Power on (enter IDLE state)
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if (!this->enable_power(true)) {
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ESP_LOGE(TAG, " Power on failed!");
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this->mark_failed();
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return;
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}
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// Set configuration
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this->write_byte(AS7341_CONFIG, 0x00);
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this->setup_atime(this->atime_);
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this->setup_astep(this->astep_);
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this->setup_gain(this->gain_);
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}
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void AS7341Component::dump_config() {
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ESP_LOGCONFIG(TAG, "AS7341:");
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LOG_I2C_DEVICE(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with AS7341 failed!");
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}
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LOG_UPDATE_INTERVAL(this);
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ESP_LOGCONFIG(TAG, " Gain: %u", get_gain());
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ESP_LOGCONFIG(TAG, " ATIME: %u", get_atime());
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ESP_LOGCONFIG(TAG, " ASTEP: %u", get_astep());
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LOG_SENSOR(" ", "F1", this->f1_);
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LOG_SENSOR(" ", "F2", this->f2_);
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LOG_SENSOR(" ", "F3", this->f3_);
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LOG_SENSOR(" ", "F4", this->f4_);
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LOG_SENSOR(" ", "F5", this->f5_);
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LOG_SENSOR(" ", "F6", this->f6_);
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LOG_SENSOR(" ", "F7", this->f7_);
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LOG_SENSOR(" ", "F8", this->f8_);
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LOG_SENSOR(" ", "Clear", this->clear_);
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LOG_SENSOR(" ", "NIR", this->nir_);
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}
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float AS7341Component::get_setup_priority() const { return setup_priority::DATA; }
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void AS7341Component::update() {
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this->read_channels(this->channel_readings_);
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if (this->f1_ != nullptr) {
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this->f1_->publish_state(this->channel_readings_[0]);
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}
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if (this->f2_ != nullptr) {
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this->f2_->publish_state(this->channel_readings_[1]);
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}
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if (this->f3_ != nullptr) {
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this->f3_->publish_state(this->channel_readings_[2]);
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}
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if (this->f4_ != nullptr) {
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this->f4_->publish_state(this->channel_readings_[3]);
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}
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if (this->f5_ != nullptr) {
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this->f5_->publish_state(this->channel_readings_[6]);
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}
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if (this->f6_ != nullptr) {
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this->f6_->publish_state(this->channel_readings_[7]);
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}
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if (this->f7_ != nullptr) {
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this->f7_->publish_state(this->channel_readings_[8]);
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}
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if (this->f8_ != nullptr) {
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this->f8_->publish_state(this->channel_readings_[9]);
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}
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if (this->clear_ != nullptr) {
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this->clear_->publish_state(this->channel_readings_[10]);
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}
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if (this->nir_ != nullptr) {
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this->nir_->publish_state(this->channel_readings_[11]);
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}
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}
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AS7341Gain AS7341Component::get_gain() {
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uint8_t data;
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this->read_byte(AS7341_CFG1, &data);
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return (AS7341Gain) data;
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}
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uint8_t AS7341Component::get_atime() {
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uint8_t data;
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this->read_byte(AS7341_ATIME, &data);
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return data;
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}
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uint16_t AS7341Component::get_astep() {
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uint16_t data;
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this->read_byte_16(AS7341_ASTEP, &data);
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return this->swap_bytes(data);
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}
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bool AS7341Component::setup_gain(AS7341Gain gain) { return this->write_byte(AS7341_CFG1, gain); }
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bool AS7341Component::setup_atime(uint8_t atime) { return this->write_byte(AS7341_ATIME, atime); }
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bool AS7341Component::setup_astep(uint16_t astep) { return this->write_byte_16(AS7341_ASTEP, swap_bytes(astep)); }
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bool AS7341Component::read_channels(uint16_t *data) {
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this->set_smux_low_channels(true);
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this->enable_spectral_measurement(true);
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this->wait_for_data();
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bool low_success = this->read_bytes_16(AS7341_CH0_DATA_L, data, 6);
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this->set_smux_low_channels(false);
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this->enable_spectral_measurement(true);
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this->wait_for_data();
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bool high_sucess = this->read_bytes_16(AS7341_CH0_DATA_L, &data[6], 6);
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return low_success && high_sucess;
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}
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void AS7341Component::set_smux_low_channels(bool enable) {
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this->enable_spectral_measurement(false);
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this->set_smux_command(AS7341_SMUX_CMD_WRITE);
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if (enable) {
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this->configure_smux_low_channels();
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} else {
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this->configure_smux_high_channels();
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}
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this->enable_smux();
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}
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bool AS7341Component::set_smux_command(AS7341SmuxCommand command) {
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uint8_t data = command << 3; // Write to bits 4:3 of the register
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return this->write_byte(AS7341_CFG6, data);
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}
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void AS7341Component::configure_smux_low_channels() {
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// SMUX Config for F1,F2,F3,F4,NIR,Clear
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this->write_byte(0x00, 0x30); // F3 left set to ADC2
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this->write_byte(0x01, 0x01); // F1 left set to ADC0
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this->write_byte(0x02, 0x00); // Reserved or disabled
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this->write_byte(0x03, 0x00); // F8 left disabled
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this->write_byte(0x04, 0x00); // F6 left disabled
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this->write_byte(0x05, 0x42); // F4 left connected to ADC3/f2 left connected to ADC1
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this->write_byte(0x06, 0x00); // F5 left disbled
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this->write_byte(0x07, 0x00); // F7 left disbled
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this->write_byte(0x08, 0x50); // CLEAR connected to ADC4
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this->write_byte(0x09, 0x00); // F5 right disabled
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this->write_byte(0x0A, 0x00); // F7 right disabled
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this->write_byte(0x0B, 0x00); // Reserved or disabled
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this->write_byte(0x0C, 0x20); // F2 right connected to ADC1
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this->write_byte(0x0D, 0x04); // F4 right connected to ADC3
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this->write_byte(0x0E, 0x00); // F6/F8 right disabled
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this->write_byte(0x0F, 0x30); // F3 right connected to AD2
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this->write_byte(0x10, 0x01); // F1 right connected to AD0
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this->write_byte(0x11, 0x50); // CLEAR right connected to AD4
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this->write_byte(0x12, 0x00); // Reserved or disabled
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this->write_byte(0x13, 0x06); // NIR connected to ADC5
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}
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void AS7341Component::configure_smux_high_channels() {
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// SMUX Config for F5,F6,F7,F8,NIR,Clear
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this->write_byte(0x00, 0x00); // F3 left disable
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this->write_byte(0x01, 0x00); // F1 left disable
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this->write_byte(0x02, 0x00); // reserved/disable
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this->write_byte(0x03, 0x40); // F8 left connected to ADC3
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this->write_byte(0x04, 0x02); // F6 left connected to ADC1
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this->write_byte(0x05, 0x00); // F4/ F2 disabled
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this->write_byte(0x06, 0x10); // F5 left connected to ADC0
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this->write_byte(0x07, 0x03); // F7 left connected to ADC2
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this->write_byte(0x08, 0x50); // CLEAR Connected to ADC4
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this->write_byte(0x09, 0x10); // F5 right connected to ADC0
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this->write_byte(0x0A, 0x03); // F7 right connected to ADC2
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this->write_byte(0x0B, 0x00); // Reserved or disabled
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this->write_byte(0x0C, 0x00); // F2 right disabled
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this->write_byte(0x0D, 0x00); // F4 right disabled
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this->write_byte(0x0E, 0x24); // F8 right connected to ADC2/ F6 right connected to ADC1
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this->write_byte(0x0F, 0x00); // F3 right disabled
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this->write_byte(0x10, 0x00); // F1 right disabled
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this->write_byte(0x11, 0x50); // CLEAR right connected to AD4
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this->write_byte(0x12, 0x00); // Reserved or disabled
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this->write_byte(0x13, 0x06); // NIR connected to ADC5
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}
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bool AS7341Component::enable_smux() {
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this->set_register_bit(AS7341_ENABLE, 4);
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uint16_t timeout = 1000;
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for (uint16_t time = 0; time < timeout; time++) {
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// The SMUXEN bit is cleared once the SMUX operation is finished
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bool smuxen = this->read_register_bit(AS7341_ENABLE, 4);
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if (!smuxen) {
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return true;
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}
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delay(1);
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}
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return false;
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}
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bool AS7341Component::wait_for_data() {
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uint16_t timeout = 1000;
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for (uint16_t time = 0; time < timeout; time++) {
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if (this->is_data_ready()) {
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return true;
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}
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delay(1);
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}
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return false;
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}
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bool AS7341Component::is_data_ready() { return this->read_register_bit(AS7341_STATUS2, 6); }
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bool AS7341Component::enable_power(bool enable) { return this->write_register_bit(AS7341_ENABLE, enable, 0); }
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bool AS7341Component::enable_spectral_measurement(bool enable) {
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return this->write_register_bit(AS7341_ENABLE, enable, 1);
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}
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bool AS7341Component::read_register_bit(uint8_t address, uint8_t bit_position) {
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uint8_t data;
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this->read_byte(address, &data);
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bool bit = (data & (1 << bit_position)) > 0;
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return bit;
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}
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bool AS7341Component::write_register_bit(uint8_t address, bool value, uint8_t bit_position) {
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if (value) {
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return this->set_register_bit(address, bit_position);
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}
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return this->clear_register_bit(address, bit_position);
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}
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bool AS7341Component::set_register_bit(uint8_t address, uint8_t bit_position) {
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uint8_t data;
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this->read_byte(address, &data);
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data |= (1 << bit_position);
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return this->write_byte(address, data);
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}
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bool AS7341Component::clear_register_bit(uint8_t address, uint8_t bit_position) {
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uint8_t data;
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this->read_byte(address, &data);
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data &= ~(1 << bit_position);
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return this->write_byte(address, data);
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}
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uint16_t AS7341Component::swap_bytes(uint16_t data) { return (data >> 8) | (data << 8); }
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} // namespace as7341
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} // namespace esphome
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144
esphome/components/as7341/as7341.h
Normal file
144
esphome/components/as7341/as7341.h
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@@ -0,0 +1,144 @@
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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 as7341 {
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static const uint8_t AS7341_CHIP_ID = 0X09;
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static const uint8_t AS7341_CONFIG = 0x70;
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static const uint8_t AS7341_LED = 0x74;
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static const uint8_t AS7341_ENABLE = 0x80;
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static const uint8_t AS7341_ATIME = 0x81;
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static const uint8_t AS7341_WTIME = 0x83;
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static const uint8_t AS7341_AUXID = 0x90;
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static const uint8_t AS7341_REVID = 0x91;
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static const uint8_t AS7341_ID = 0x92;
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static const uint8_t AS7341_STATUS = 0x93;
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static const uint8_t AS7341_CH0_DATA_L = 0x95;
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static const uint8_t AS7341_CH0_DATA_H = 0x96;
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static const uint8_t AS7341_CH1_DATA_L = 0x97;
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static const uint8_t AS7341_CH1_DATA_H = 0x98;
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static const uint8_t AS7341_CH2_DATA_L = 0x99;
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static const uint8_t AS7341_CH2_DATA_H = 0x9A;
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static const uint8_t AS7341_CH3_DATA_L = 0x9B;
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static const uint8_t AS7341_CH3_DATA_H = 0x9C;
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static const uint8_t AS7341_CH4_DATA_L = 0x9D;
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static const uint8_t AS7341_CH4_DATA_H = 0x9E;
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static const uint8_t AS7341_CH5_DATA_L = 0x9F;
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static const uint8_t AS7341_CH5_DATA_H = 0xA0;
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static const uint8_t AS7341_STATUS2 = 0xA3;
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static const uint8_t AS7341_CFG1 = 0xAA; ///< Controls ADC Gain
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static const uint8_t AS7341_CFG6 = 0xAF; // Stores SMUX command
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static const uint8_t AS7341_CFG9 = 0xB2; // Config for system interrupts (SMUX, Flicker detection)
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static const uint8_t AS7341_ASTEP = 0xCA; // LSB
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static const uint8_t AS7341_ASTEP_MSB = 0xCB; // MSB
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enum AS7341AdcChannel {
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AS7341_ADC_CHANNEL_0,
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AS7341_ADC_CHANNEL_1,
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AS7341_ADC_CHANNEL_2,
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AS7341_ADC_CHANNEL_3,
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AS7341_ADC_CHANNEL_4,
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AS7341_ADC_CHANNEL_5,
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};
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enum AS7341SmuxCommand {
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AS7341_SMUX_CMD_ROM_RESET, ///< ROM code initialization of SMUX
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AS7341_SMUX_CMD_READ, ///< Read SMUX configuration to RAM from SMUX chain
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AS7341_SMUX_CMD_WRITE, ///< Write SMUX configuration from RAM to SMUX chain
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};
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enum AS7341Gain {
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AS7341_GAIN_0_5X,
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AS7341_GAIN_1X,
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AS7341_GAIN_2X,
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AS7341_GAIN_4X,
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AS7341_GAIN_8X,
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AS7341_GAIN_16X,
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AS7341_GAIN_32X,
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AS7341_GAIN_64X,
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AS7341_GAIN_128X,
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AS7341_GAIN_256X,
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AS7341_GAIN_512X,
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};
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class AS7341Component : public PollingComponent, public i2c::I2CDevice {
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public:
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void setup() override;
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void dump_config() override;
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float get_setup_priority() const override;
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void update() override;
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void set_f1_sensor(sensor::Sensor *f1_sensor) { this->f1_ = f1_sensor; }
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void set_f2_sensor(sensor::Sensor *f2_sensor) { f2_ = f2_sensor; }
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void set_f3_sensor(sensor::Sensor *f3_sensor) { f3_ = f3_sensor; }
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void set_f4_sensor(sensor::Sensor *f4_sensor) { f4_ = f4_sensor; }
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void set_f5_sensor(sensor::Sensor *f5_sensor) { f5_ = f5_sensor; }
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void set_f6_sensor(sensor::Sensor *f6_sensor) { f6_ = f6_sensor; }
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void set_f7_sensor(sensor::Sensor *f7_sensor) { f7_ = f7_sensor; }
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void set_f8_sensor(sensor::Sensor *f8_sensor) { f8_ = f8_sensor; }
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void set_clear_sensor(sensor::Sensor *clear_sensor) { clear_ = clear_sensor; }
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void set_nir_sensor(sensor::Sensor *nir_sensor) { nir_ = nir_sensor; }
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void set_gain(AS7341Gain gain) { gain_ = gain; }
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void set_atime(uint8_t atime) { atime_ = atime; }
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void set_astep(uint16_t astep) { astep_ = astep; }
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AS7341Gain get_gain();
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uint8_t get_atime();
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uint16_t get_astep();
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bool setup_gain(AS7341Gain gain);
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bool setup_atime(uint8_t atime);
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bool setup_astep(uint16_t astep);
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uint16_t read_channel(AS7341AdcChannel channel);
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bool read_channels(uint16_t *data);
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void set_smux_low_channels(bool enable);
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bool set_smux_command(AS7341SmuxCommand command);
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void configure_smux_low_channels();
|
||||
void configure_smux_high_channels();
|
||||
bool enable_smux();
|
||||
|
||||
bool wait_for_data();
|
||||
bool is_data_ready();
|
||||
bool enable_power(bool enable);
|
||||
bool enable_spectral_measurement(bool enable);
|
||||
|
||||
bool read_register_bit(uint8_t address, uint8_t bit_position);
|
||||
bool write_register_bit(uint8_t address, bool value, uint8_t bit_position);
|
||||
bool set_register_bit(uint8_t address, uint8_t bit_position);
|
||||
bool clear_register_bit(uint8_t address, uint8_t bit_position);
|
||||
uint16_t swap_bytes(uint16_t data);
|
||||
|
||||
protected:
|
||||
sensor::Sensor *f1_{nullptr};
|
||||
sensor::Sensor *f2_{nullptr};
|
||||
sensor::Sensor *f3_{nullptr};
|
||||
sensor::Sensor *f4_{nullptr};
|
||||
sensor::Sensor *f5_{nullptr};
|
||||
sensor::Sensor *f6_{nullptr};
|
||||
sensor::Sensor *f7_{nullptr};
|
||||
sensor::Sensor *f8_{nullptr};
|
||||
sensor::Sensor *clear_{nullptr};
|
||||
sensor::Sensor *nir_{nullptr};
|
||||
|
||||
uint16_t astep_;
|
||||
AS7341Gain gain_;
|
||||
uint8_t atime_;
|
||||
uint16_t channel_readings_[12];
|
||||
};
|
||||
|
||||
} // namespace as7341
|
||||
} // namespace esphome
|
||||
112
esphome/components/as7341/sensor.py
Normal file
112
esphome/components/as7341/sensor.py
Normal file
@@ -0,0 +1,112 @@
|
||||
import esphome.codegen as cg
|
||||
import esphome.config_validation as cv
|
||||
from esphome.components import i2c, sensor
|
||||
from esphome.const import (
|
||||
CONF_GAIN,
|
||||
CONF_ID,
|
||||
DEVICE_CLASS_ILLUMINANCE,
|
||||
ICON_BRIGHTNESS_5,
|
||||
STATE_CLASS_MEASUREMENT,
|
||||
)
|
||||
|
||||
|
||||
CODEOWNERS = ["@mrgnr"]
|
||||
DEPENDENCIES = ["i2c"]
|
||||
|
||||
as7341_ns = cg.esphome_ns.namespace("as7341")
|
||||
|
||||
AS7341Component = as7341_ns.class_(
|
||||
"AS7341Component", cg.PollingComponent, i2c.I2CDevice
|
||||
)
|
||||
|
||||
CONF_ATIME = "atime"
|
||||
CONF_ASTEP = "astep"
|
||||
|
||||
CONF_F1 = "f1"
|
||||
CONF_F2 = "f2"
|
||||
CONF_F3 = "f3"
|
||||
CONF_F4 = "f4"
|
||||
CONF_F5 = "f5"
|
||||
CONF_F6 = "f6"
|
||||
CONF_F7 = "f7"
|
||||
CONF_F8 = "f8"
|
||||
CONF_CLEAR = "clear"
|
||||
CONF_NIR = "nir"
|
||||
|
||||
UNIT_COUNTS = "#"
|
||||
|
||||
AS7341_GAIN = as7341_ns.enum("AS7341Gain")
|
||||
GAIN_OPTIONS = {
|
||||
"X0.5": AS7341_GAIN.AS7341_GAIN_0_5X,
|
||||
"X1": AS7341_GAIN.AS7341_GAIN_1X,
|
||||
"X2": AS7341_GAIN.AS7341_GAIN_2X,
|
||||
"X4": AS7341_GAIN.AS7341_GAIN_4X,
|
||||
"X8": AS7341_GAIN.AS7341_GAIN_8X,
|
||||
"X16": AS7341_GAIN.AS7341_GAIN_16X,
|
||||
"X32": AS7341_GAIN.AS7341_GAIN_32X,
|
||||
"X64": AS7341_GAIN.AS7341_GAIN_64X,
|
||||
"X128": AS7341_GAIN.AS7341_GAIN_128X,
|
||||
"X256": AS7341_GAIN.AS7341_GAIN_256X,
|
||||
"X512": AS7341_GAIN.AS7341_GAIN_512X,
|
||||
}
|
||||
|
||||
|
||||
SENSOR_SCHEMA = sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_COUNTS,
|
||||
icon=ICON_BRIGHTNESS_5,
|
||||
accuracy_decimals=0,
|
||||
device_class=DEVICE_CLASS_ILLUMINANCE,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
)
|
||||
|
||||
|
||||
CONFIG_SCHEMA = (
|
||||
cv.Schema(
|
||||
{
|
||||
cv.GenerateID(): cv.declare_id(AS7341Component),
|
||||
cv.Optional(CONF_F1): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_F2): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_F3): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_F4): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_F5): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_F6): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_F7): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_F8): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_CLEAR): SENSOR_SCHEMA,
|
||||
cv.Optional(CONF_NIR): SENSOR_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),
|
||||
}
|
||||
)
|
||||
.extend(cv.polling_component_schema("60s"))
|
||||
.extend(i2c.i2c_device_schema(0x39))
|
||||
)
|
||||
|
||||
SENSORS = {
|
||||
CONF_F1: "set_f1_sensor",
|
||||
CONF_F2: "set_f2_sensor",
|
||||
CONF_F3: "set_f3_sensor",
|
||||
CONF_F4: "set_f4_sensor",
|
||||
CONF_F5: "set_f5_sensor",
|
||||
CONF_F6: "set_f6_sensor",
|
||||
CONF_F7: "set_f7_sensor",
|
||||
CONF_F8: "set_f8_sensor",
|
||||
CONF_CLEAR: "set_clear_sensor",
|
||||
CONF_NIR: "set_nir_sensor",
|
||||
}
|
||||
|
||||
|
||||
async def to_code(config):
|
||||
var = cg.new_Pvariable(config[CONF_ID])
|
||||
await cg.register_component(var, config)
|
||||
await i2c.register_i2c_device(var, 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]))
|
||||
|
||||
for conf_id, set_sensor_func in SENSORS.items():
|
||||
if conf_id in config:
|
||||
sens = await sensor.new_sensor(config[conf_id])
|
||||
cg.add(getattr(var, set_sensor_func)(sens))
|
||||
@@ -439,6 +439,32 @@ sensor:
|
||||
state_topic: hi/me
|
||||
retain: false
|
||||
availability:
|
||||
- platform: as7341
|
||||
update_interval: 15s
|
||||
gain: X8
|
||||
atime: 120
|
||||
astep: 99
|
||||
f1:
|
||||
name: F1
|
||||
f2:
|
||||
name: F2
|
||||
f3:
|
||||
name: F3
|
||||
f4:
|
||||
name: F4
|
||||
f5:
|
||||
name: F5
|
||||
f6:
|
||||
name: F6
|
||||
f7:
|
||||
name: F7
|
||||
f8:
|
||||
name: F8
|
||||
clear:
|
||||
name: Clear
|
||||
nir:
|
||||
name: NIR
|
||||
i2c_id: i2c_bus
|
||||
- platform: atm90e32
|
||||
cs_pin: 5
|
||||
phase_a:
|
||||
|
||||
Reference in New Issue
Block a user