mirror of https://github.com/esphome/esphome.git
Support for MS8607 PHT (Pressure Humidity Temperature) sensor (#3307)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Dan Jackson
GitHub
parent
f3ed091395
commit
d5bfcd3bcf
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@ -225,6 +225,7 @@ esphome/components/mopeka_pro_check/* @spbrogan
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esphome/components/mopeka_std_check/* @Fabian-Schmidt
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esphome/components/mpl3115a2/* @kbickar
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esphome/components/mpu6886/* @fabaff
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esphome/components/ms8607/* @e28eta
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esphome/components/network/* @esphome/core
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esphome/components/nextion/* @senexcrenshaw
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esphome/components/nextion/binary_sensor/* @senexcrenshaw
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@ -0,0 +1 @@
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CODEOWNERS = ["@e28eta"]
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@ -0,0 +1,444 @@
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#include "ms8607.h"
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#include "esphome/core/hal.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 ms8607 {
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/// TAG used for logging calls
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static const char *const TAG = "ms8607";
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/// Reset the Pressure/Temperature sensor
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static const uint8_t MS8607_PT_CMD_RESET = 0x1E;
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/// Beginning of PROM register addresses. Same for both i2c addresses. Each address has 16 bits of data, and
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/// PROM addresses step by two, so the LSB is always 0
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static const uint8_t MS8607_PROM_START = 0xA0;
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/// Last PROM register address.
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static const uint8_t MS8607_PROM_END = 0xAE;
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/// Number of PROM registers.
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static const uint8_t MS8607_PROM_COUNT = (MS8607_PROM_END - MS8607_PROM_START) >> 1;
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/// Reset the Humidity sensor
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static const uint8_t MS8607_CMD_H_RESET = 0xFE;
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/// Read relative humidity, without holding i2c master
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static const uint8_t MS8607_CMD_H_MEASURE_NO_HOLD = 0xF5;
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/// Temperature correction coefficient for Relative Humidity from datasheet
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static const float MS8607_H_TEMP_COEFFICIENT = -0.18;
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/// Read the converted analog value, either D1 (pressure) or D2 (temperature)
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static const uint8_t MS8607_CMD_ADC_READ = 0x00;
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// TODO: allow OSR to be turned down for speed and/or lower power consumption via configuration.
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// ms8607 supports 6 different settings
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/// Request conversion of analog D1 (pressure) with OSR=8192 (highest oversampling ratio). Takes maximum of 17.2ms
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static const uint8_t MS8607_CMD_CONV_D1_OSR_8K = 0x4A;
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/// Request conversion of analog D2 (temperature) with OSR=8192 (highest oversampling ratio). Takes maximum of 17.2ms
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static const uint8_t MS8607_CMD_CONV_D2_OSR_8K = 0x5A;
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enum class MS8607Component::ErrorCode {
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/// Component hasn't failed (yet?)
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NONE = 0,
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/// Both the Pressure/Temperature address and the Humidity address failed to reset
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PTH_RESET_FAILED = 1,
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/// Asking the Pressure/Temperature sensor to reset failed
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PT_RESET_FAILED = 2,
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/// Asking the Humidity sensor to reset failed
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H_RESET_FAILED = 3,
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/// Reading the PROM calibration values failed
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PROM_READ_FAILED = 4,
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/// The PROM calibration values failed the CRC check
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PROM_CRC_FAILED = 5,
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};
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enum class MS8607Component::SetupStatus {
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/// This component has not successfully reset the PT & H devices
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NEEDS_RESET,
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/// Reset commands succeeded, need to wait >= 15ms to read PROM
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NEEDS_PROM_READ,
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/// Successfully read PROM and ready to update sensors
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SUCCESSFUL,
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};
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static uint8_t crc4(uint16_t *buffer, size_t length);
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static uint8_t hsensor_crc_check(uint16_t value);
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void MS8607Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up MS8607...");
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this->error_code_ = ErrorCode::NONE;
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this->setup_status_ = SetupStatus::NEEDS_RESET;
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// I do not know why the device sometimes NACKs the reset command, but
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// try 3 times in case it's a transitory issue on this boot
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this->set_retry(
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"reset", 5, 3,
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[this](const uint8_t remaining_setup_attempts) {
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ESP_LOGD(TAG, "Resetting both I2C addresses: 0x%02X, 0x%02X", this->address_,
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this->humidity_device_->get_address());
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// I believe sending the reset command to both addresses is preferable to
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// skipping humidity if PT fails for some reason.
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// However, only consider the reset successful if they both ACK
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bool const pt_successful = this->write_bytes(MS8607_PT_CMD_RESET, nullptr, 0);
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bool const h_successful = this->humidity_device_->write_bytes(MS8607_CMD_H_RESET, nullptr, 0);
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if (!(pt_successful && h_successful)) {
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ESP_LOGE(TAG, "Resetting I2C devices failed");
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if (!pt_successful && !h_successful) {
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this->error_code_ = ErrorCode::PTH_RESET_FAILED;
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} else if (!pt_successful) {
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this->error_code_ = ErrorCode::PT_RESET_FAILED;
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} else {
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this->error_code_ = ErrorCode::H_RESET_FAILED;
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}
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if (remaining_setup_attempts > 0) {
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this->status_set_error();
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} else {
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this->mark_failed();
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}
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return RetryResult::RETRY;
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}
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this->setup_status_ = SetupStatus::NEEDS_PROM_READ;
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this->error_code_ = ErrorCode::NONE;
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this->status_clear_error();
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// 15ms delay matches datasheet, Adafruit_MS8607 & SparkFun_PHT_MS8607_Arduino_Library
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this->set_timeout("prom-read", 15, [this]() {
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if (this->read_calibration_values_from_prom_()) {
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this->setup_status_ = SetupStatus::SUCCESSFUL;
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this->status_clear_error();
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} else {
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this->mark_failed();
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return;
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}
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});
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return RetryResult::DONE;
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},
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5.0f); // executes at now, +5ms, +25ms
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}
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void MS8607Component::update() {
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if (this->setup_status_ != SetupStatus::SUCCESSFUL) {
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// setup is still occurring, either because reset had to retry or due to the 15ms
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// delay needed between reset & reading the PROM values
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return;
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}
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// Updating happens async and sequentially.
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// Temperature, then pressure, then humidity
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this->request_read_temperature_();
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}
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void MS8607Component::dump_config() {
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ESP_LOGCONFIG(TAG, "MS8607:");
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LOG_I2C_DEVICE(this);
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// LOG_I2C_DEVICE doesn't work for humidity, the `address_` is protected. Log using get_address()
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ESP_LOGCONFIG(TAG, " Address: 0x%02X", this->humidity_device_->get_address());
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with MS8607 failed.");
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switch (this->error_code_) {
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case ErrorCode::PT_RESET_FAILED:
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ESP_LOGE(TAG, "Temperature/Pressure RESET failed");
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break;
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case ErrorCode::H_RESET_FAILED:
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ESP_LOGE(TAG, "Humidity RESET failed");
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break;
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case ErrorCode::PTH_RESET_FAILED:
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ESP_LOGE(TAG, "Temperature/Pressure && Humidity RESET failed");
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break;
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case ErrorCode::PROM_READ_FAILED:
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ESP_LOGE(TAG, "Reading PROM failed");
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break;
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case ErrorCode::PROM_CRC_FAILED:
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ESP_LOGE(TAG, "PROM values failed CRC");
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break;
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case ErrorCode::NONE:
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default:
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ESP_LOGE(TAG, "Error reason unknown %u", static_cast<uint8_t>(this->error_code_));
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break;
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}
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}
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LOG_UPDATE_INTERVAL(this);
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LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
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LOG_SENSOR(" ", "Pressure", this->pressure_sensor_);
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LOG_SENSOR(" ", "Humidity", this->humidity_sensor_);
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}
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bool MS8607Component::read_calibration_values_from_prom_() {
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ESP_LOGD(TAG, "Reading calibration values from PROM");
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uint16_t buffer[MS8607_PROM_COUNT];
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bool successful = true;
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for (uint8_t idx = 0; idx < MS8607_PROM_COUNT; ++idx) {
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uint8_t const address_to_read = MS8607_PROM_START + (idx * 2);
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successful &= this->read_byte_16(address_to_read, &buffer[idx]);
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}
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if (!successful) {
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ESP_LOGE(TAG, "Reading calibration values from PROM failed");
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this->error_code_ = ErrorCode::PROM_READ_FAILED;
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return false;
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}
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ESP_LOGD(TAG, "Checking CRC of calibration values from PROM");
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uint8_t const expected_crc = (buffer[0] & 0xF000) >> 12; // first 4 bits
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buffer[0] &= 0x0FFF; // strip CRC from buffer, in order to run CRC
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uint8_t const actual_crc = crc4(buffer, MS8607_PROM_COUNT);
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if (expected_crc != actual_crc) {
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ESP_LOGE(TAG, "Incorrect CRC value. Provided value 0x%01X != calculated value 0x%01X", expected_crc, actual_crc);
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this->error_code_ = ErrorCode::PROM_CRC_FAILED;
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return false;
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}
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this->calibration_values_.pressure_sensitivity = buffer[1];
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this->calibration_values_.pressure_offset = buffer[2];
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this->calibration_values_.pressure_sensitivity_temperature_coefficient = buffer[3];
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this->calibration_values_.pressure_offset_temperature_coefficient = buffer[4];
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this->calibration_values_.reference_temperature = buffer[5];
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this->calibration_values_.temperature_coefficient_of_temperature = buffer[6];
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ESP_LOGD(TAG, "Finished reading calibration values");
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// Skipping reading Humidity PROM, since it doesn't have anything interesting for us
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return true;
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}
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/**
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CRC-4 algorithm from datasheet. It operates on a buffer of 16-bit values, one byte at a time, using a 16-bit
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value to collect the CRC result into.
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The provided/expected CRC value must already be zeroed out from the buffer.
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*/
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static uint8_t crc4(uint16_t *buffer, size_t length) {
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uint16_t crc_remainder = 0;
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// algorithm to add a byte into the crc
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auto apply_crc = [&crc_remainder](uint8_t next) {
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crc_remainder ^= next;
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for (uint8_t bit = 8; bit > 0; --bit) {
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if (crc_remainder & 0x8000) {
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crc_remainder = (crc_remainder << 1) ^ 0x3000;
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} else {
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crc_remainder = (crc_remainder << 1);
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}
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}
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};
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// add all the bytes
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for (size_t idx = 0; idx < length; ++idx) {
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for (auto byte : decode_value(buffer[idx])) {
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apply_crc(byte);
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}
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}
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// For the MS8607 CRC, add a pair of zeros to shift the last byte from `buffer` through
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apply_crc(0);
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apply_crc(0);
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return (crc_remainder >> 12) & 0xF; // only the most significant 4 bits
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}
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/**
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* @brief Calculates CRC value for the provided humidity (+ status bits) value
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*
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* CRC-8 check comes from other MS8607 libraries on github. I did not find it in the datasheet,
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* and it differs from the crc8 implementation that's already part of esphome.
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*
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* @param value two byte humidity sensor value read from i2c
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* @return uint8_t computed crc value
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*/
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static uint8_t hsensor_crc_check(uint16_t value) {
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uint32_t polynom = 0x988000; // x^8 + x^5 + x^4 + 1
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uint32_t msb = 0x800000;
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uint32_t mask = 0xFF8000;
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uint32_t result = (uint32_t) value << 8; // Pad with zeros as specified in spec
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while (msb != 0x80) {
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// Check if msb of current value is 1 and apply XOR mask
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if (result & msb) {
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result = ((result ^ polynom) & mask) | (result & ~mask);
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}
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// Shift by one
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msb >>= 1;
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mask >>= 1;
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polynom >>= 1;
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}
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return result & 0xFF;
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}
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void MS8607Component::request_read_temperature_() {
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// Tell MS8607 to start ADC conversion of temperature sensor
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if (!this->write_bytes(MS8607_CMD_CONV_D2_OSR_8K, nullptr, 0)) {
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this->status_set_warning();
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return;
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}
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auto f = std::bind(&MS8607Component::read_temperature_, this);
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// datasheet says 17.2ms max conversion time at OSR 8192
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this->set_timeout("temperature", 20, f);
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}
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void MS8607Component::read_temperature_() {
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uint8_t bytes[3]; // 24 bits
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if (!this->read_bytes(MS8607_CMD_ADC_READ, bytes, 3)) {
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this->status_set_warning();
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return;
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}
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const uint32_t d2_raw_temperature = encode_uint32(0, bytes[0], bytes[1], bytes[2]);
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this->request_read_pressure_(d2_raw_temperature);
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}
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void MS8607Component::request_read_pressure_(uint32_t d2_raw_temperature) {
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if (!this->write_bytes(MS8607_CMD_CONV_D1_OSR_8K, nullptr, 0)) {
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this->status_set_warning();
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return;
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}
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auto f = std::bind(&MS8607Component::read_pressure_, this, d2_raw_temperature);
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// datasheet says 17.2ms max conversion time at OSR 8192
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this->set_timeout("pressure", 20, f);
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}
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void MS8607Component::read_pressure_(uint32_t d2_raw_temperature) {
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uint8_t bytes[3]; // 24 bits
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if (!this->read_bytes(MS8607_CMD_ADC_READ, bytes, 3)) {
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this->status_set_warning();
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return;
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}
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const uint32_t d1_raw_pressure = encode_uint32(0, bytes[0], bytes[1], bytes[2]);
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this->calculate_values_(d2_raw_temperature, d1_raw_pressure);
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}
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void MS8607Component::request_read_humidity_(float temperature_float) {
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if (!this->humidity_device_->write_bytes(MS8607_CMD_H_MEASURE_NO_HOLD, nullptr, 0)) {
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ESP_LOGW(TAG, "Request to measure humidity failed");
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this->status_set_warning();
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return;
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}
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auto f = std::bind(&MS8607Component::read_humidity_, this, temperature_float);
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// datasheet says 15.89ms max conversion time at OSR 8192
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this->set_timeout("humidity", 20, f);
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}
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void MS8607Component::read_humidity_(float temperature_float) {
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uint8_t bytes[3];
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if (!this->humidity_device_->read_bytes_raw(bytes, 3)) {
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ESP_LOGW(TAG, "Failed to read the measured humidity value");
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this->status_set_warning();
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return;
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}
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// "the measurement is stored into 14 bits. The two remaining LSBs are used for transmitting status information.
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// Bit1 of the two LSBS must be set to '1'. Bit0 is currently not assigned"
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uint16_t humidity = encode_uint16(bytes[0], bytes[1]);
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uint8_t const expected_crc = bytes[2];
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uint8_t const actual_crc = hsensor_crc_check(humidity);
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if (expected_crc != actual_crc) {
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ESP_LOGE(TAG, "Incorrect Humidity CRC value. Provided value 0x%01X != calculated value 0x%01X", expected_crc,
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actual_crc);
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this->status_set_warning();
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return;
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}
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if (!(humidity & 0x2)) {
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// data sheet says Bit1 should always set, but nothing about what happens if it isn't
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ESP_LOGE(TAG, "Humidity status bit was not set to 1?");
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}
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humidity &= ~(0b11); // strip status & unassigned bits from data
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// map 16 bit humidity value into range [-6%, 118%]
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float const humidity_partial = double(humidity) / (1 << 16);
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float const humidity_percentage = lerp(humidity_partial, -6.0, 118.0);
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float const compensated_humidity_percentage =
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humidity_percentage + (20 - temperature_float) * MS8607_H_TEMP_COEFFICIENT;
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ESP_LOGD(TAG, "Compensated for temperature, humidity=%.2f%%", compensated_humidity_percentage);
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if (this->humidity_sensor_ != nullptr) {
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this->humidity_sensor_->publish_state(compensated_humidity_percentage);
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}
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this->status_clear_warning();
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}
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void MS8607Component::calculate_values_(uint32_t d2_raw_temperature, uint32_t d1_raw_pressure) {
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// Perform the first order pressure/temperature calculation
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// d_t: "difference between actual and reference temperature" = D2 - [C5] * 2**8
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const int32_t d_t = int32_t(d2_raw_temperature) - (int32_t(this->calibration_values_.reference_temperature) << 8);
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// actual temperature as hundredths of degree celsius in range [-4000, 8500]
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// 2000 + d_t * [C6] / (2**23)
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int32_t temperature =
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2000 + ((int64_t(d_t) * this->calibration_values_.temperature_coefficient_of_temperature) >> 23);
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// offset at actual temperature. [C2] * (2**17) + (d_t * [C4] / (2**6))
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int64_t pressure_offset = (int64_t(this->calibration_values_.pressure_offset) << 17) +
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((int64_t(d_t) * this->calibration_values_.pressure_offset_temperature_coefficient) >> 6);
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// sensitivity at actual temperature. [C1] * (2**16) + ([C3] * d_t) / (2**7)
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int64_t pressure_sensitivity =
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(int64_t(this->calibration_values_.pressure_sensitivity) << 16) +
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((int64_t(d_t) * this->calibration_values_.pressure_sensitivity_temperature_coefficient) >> 7);
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// Perform the second order compensation, for non-linearity over temperature range
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const int64_t d_t_squared = int64_t(d_t) * d_t;
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int64_t temperature_2 = 0;
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int32_t pressure_offset_2 = 0;
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int32_t pressure_sensitivity_2 = 0;
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if (temperature < 2000) {
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// (TEMP - 2000)**2 / 2**4
|
||||
const int32_t low_temperature_adjustment = (temperature - 2000) * (temperature - 2000) >> 4;
|
||||
|
||||
// T2 = 3 * (d_t**2) / 2**33
|
||||
temperature_2 = (3 * d_t_squared) >> 33;
|
||||
// OFF2 = 61 * (TEMP-2000)**2 / 2**4
|
||||
pressure_offset_2 = 61 * low_temperature_adjustment;
|
||||
// SENS2 = 29 * (TEMP-2000)**2 / 2**4
|
||||
pressure_sensitivity_2 = 29 * low_temperature_adjustment;
|
||||
|
||||
if (temperature < -1500) {
|
||||
// (TEMP+1500)**2
|
||||
const int32_t very_low_temperature_adjustment = (temperature + 1500) * (temperature + 1500);
|
||||
|
||||
// OFF2 = OFF2 + 17 * (TEMP+1500)**2
|
||||
pressure_offset_2 += 17 * very_low_temperature_adjustment;
|
||||
// SENS2 = SENS2 + 9 * (TEMP+1500)**2
|
||||
pressure_sensitivity_2 += 9 * very_low_temperature_adjustment;
|
||||
}
|
||||
} else {
|
||||
// T2 = 5 * (d_t**2) / 2**38
|
||||
temperature_2 = (5 * d_t_squared) >> 38;
|
||||
}
|
||||
|
||||
temperature -= temperature_2;
|
||||
pressure_offset -= pressure_offset_2;
|
||||
pressure_sensitivity -= pressure_sensitivity_2;
|
||||
|
||||
// Temperature compensated pressure. [1000, 120000] => [10.00 mbar, 1200.00 mbar]
|
||||
const int32_t pressure = (((d1_raw_pressure * pressure_sensitivity) >> 21) - pressure_offset) >> 15;
|
||||
|
||||
const float temperature_float = temperature / 100.0f;
|
||||
const float pressure_float = pressure / 100.0f;
|
||||
ESP_LOGD(TAG, "Temperature=%0.2f°C, Pressure=%0.2fhPa", temperature_float, pressure_float);
|
||||
|
||||
if (this->temperature_sensor_ != nullptr) {
|
||||
this->temperature_sensor_->publish_state(temperature_float);
|
||||
}
|
||||
if (this->pressure_sensor_ != nullptr) {
|
||||
this->pressure_sensor_->publish_state(pressure_float); // hPa aka mbar
|
||||
}
|
||||
this->status_clear_warning();
|
||||
|
||||
if (this->humidity_sensor_ != nullptr) {
|
||||
// now that we have temperature (to compensate the humidity with), kick off that read
|
||||
this->request_read_humidity_(temperature_float);
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace ms8607
|
||||
} // namespace esphome
|
||||
|
|
@ -0,0 +1,109 @@
|
|||
#pragma once
|
||||
|
||||
#include "esphome/core/component.h"
|
||||
#include "esphome/components/sensor/sensor.h"
|
||||
#include "esphome/components/i2c/i2c.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace ms8607 {
|
||||
|
||||
/**
|
||||
Class for I2CDevice used to communicate with the Humidity sensor
|
||||
on the chip. See MS8607Component instead
|
||||
*/
|
||||
class MS8607HumidityDevice : public i2c::I2CDevice {
|
||||
public:
|
||||
uint8_t get_address() { return address_; }
|
||||
};
|
||||
|
||||
/**
|
||||
Temperature, pressure, and humidity sensor.
|
||||
|
||||
By default, the MS8607 measures sensors at the highest resolution.
|
||||
A potential enhancement would be to expose the resolution as a configurable
|
||||
setting. A lower resolution speeds up ADC conversion time & uses less power.
|
||||
|
||||
Datasheet:
|
||||
https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7FMS8607-02BA01%7FB3%7Fpdf%7FEnglish%7FENG_DS_MS8607-02BA01_B3.pdf%7FCAT-BLPS0018
|
||||
|
||||
Other implementations:
|
||||
- https://github.com/TEConnectivity/MS8607_Generic_C_Driver
|
||||
- https://github.com/adafruit/Adafruit_MS8607
|
||||
- https://github.com/sparkfun/SparkFun_PHT_MS8607_Arduino_Library
|
||||
*/
|
||||
class MS8607Component : public PollingComponent, public i2c::I2CDevice {
|
||||
public:
|
||||
virtual ~MS8607Component() = default;
|
||||
void setup() override;
|
||||
void update() override;
|
||||
void dump_config() override;
|
||||
float get_setup_priority() const override { return setup_priority::DATA; };
|
||||
|
||||
void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
|
||||
void set_pressure_sensor(sensor::Sensor *pressure_sensor) { pressure_sensor_ = pressure_sensor; }
|
||||
void set_humidity_sensor(sensor::Sensor *humidity_sensor) { humidity_sensor_ = humidity_sensor; }
|
||||
void set_humidity_device(MS8607HumidityDevice *humidity_device) { humidity_device_ = humidity_device; }
|
||||
|
||||
protected:
|
||||
/**
|
||||
Read and store the Pressure & Temperature calibration settings from the PROM.
|
||||
Intended to be called during setup(), this will set the `failure_reason_`
|
||||
*/
|
||||
bool read_calibration_values_from_prom_();
|
||||
|
||||
/// Start async temperature read
|
||||
void request_read_temperature_();
|
||||
/// Process async temperature read
|
||||
void read_temperature_();
|
||||
/// start async pressure read
|
||||
void request_read_pressure_(uint32_t raw_temperature);
|
||||
/// process async pressure read
|
||||
void read_pressure_(uint32_t raw_temperature);
|
||||
/// start async humidity read
|
||||
void request_read_humidity_(float temperature_float);
|
||||
/// process async humidity read
|
||||
void read_humidity_(float temperature_float);
|
||||
/// use raw temperature & pressure to calculate & publish values
|
||||
void calculate_values_(uint32_t raw_temperature, uint32_t raw_pressure);
|
||||
|
||||
sensor::Sensor *temperature_sensor_;
|
||||
sensor::Sensor *pressure_sensor_;
|
||||
sensor::Sensor *humidity_sensor_;
|
||||
|
||||
/** I2CDevice object to communicate with secondary I2C address for the humidity sensor
|
||||
*
|
||||
* The MS8607 only has one set of I2C pins, despite using two different addresses.
|
||||
*
|
||||
* Default address for humidity is 0x40
|
||||
*/
|
||||
MS8607HumidityDevice *humidity_device_;
|
||||
|
||||
/// This device's pressure & temperature calibration values, read from PROM
|
||||
struct CalibrationValues {
|
||||
/// Pressure sensitivity | SENS-T1. [C1]
|
||||
uint16_t pressure_sensitivity;
|
||||
/// Temperature coefficient of pressure sensitivity | TCS. [C3]
|
||||
uint16_t pressure_sensitivity_temperature_coefficient;
|
||||
/// Pressure offset | OFF-T1. [C2]
|
||||
uint16_t pressure_offset;
|
||||
/// Temperature coefficient of pressure offset | TCO. [C4]
|
||||
uint16_t pressure_offset_temperature_coefficient;
|
||||
/// Reference temperature | T-REF. [C5]
|
||||
uint16_t reference_temperature;
|
||||
/// Temperature coefficient of the temperature | TEMPSENS. [C6]
|
||||
uint16_t temperature_coefficient_of_temperature;
|
||||
} calibration_values_;
|
||||
|
||||
/// Possible failure reasons of this component
|
||||
enum class ErrorCode;
|
||||
/// Keep track of the reason why this component failed, to augment the dumped config
|
||||
ErrorCode error_code_;
|
||||
|
||||
/// Current progress through required component setup
|
||||
enum class SetupStatus;
|
||||
/// Current step in the multi-step & possibly delayed setup() process
|
||||
SetupStatus setup_status_;
|
||||
};
|
||||
|
||||
} // namespace ms8607
|
||||
} // namespace esphome
|
||||
|
|
@ -0,0 +1,83 @@
|
|||
import esphome.codegen as cg
|
||||
import esphome.config_validation as cv
|
||||
from esphome.components import i2c, sensor
|
||||
from esphome.const import (
|
||||
CONF_HUMIDITY,
|
||||
CONF_ID,
|
||||
CONF_PRESSURE,
|
||||
CONF_TEMPERATURE,
|
||||
DEVICE_CLASS_HUMIDITY,
|
||||
DEVICE_CLASS_PRESSURE,
|
||||
DEVICE_CLASS_TEMPERATURE,
|
||||
STATE_CLASS_MEASUREMENT,
|
||||
UNIT_CELSIUS,
|
||||
UNIT_HECTOPASCAL,
|
||||
UNIT_PERCENT,
|
||||
)
|
||||
|
||||
DEPENDENCIES = ["i2c"]
|
||||
|
||||
ms8607_ns = cg.esphome_ns.namespace("ms8607")
|
||||
MS8607Component = ms8607_ns.class_(
|
||||
"MS8607Component", cg.PollingComponent, i2c.I2CDevice
|
||||
)
|
||||
|
||||
CONF_HUMIDITY_I2C_ID = "humidity_i2c_id"
|
||||
MS8607HumidityDevice = ms8607_ns.class_("MS8607HumidityDevice", i2c.I2CDevice)
|
||||
|
||||
CONFIG_SCHEMA = (
|
||||
cv.Schema(
|
||||
{
|
||||
cv.GenerateID(): cv.declare_id(MS8607Component),
|
||||
cv.Required(CONF_TEMPERATURE): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_CELSIUS,
|
||||
accuracy_decimals=2, # Resolution: 0.01
|
||||
device_class=DEVICE_CLASS_TEMPERATURE,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
),
|
||||
cv.Required(CONF_PRESSURE): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_HECTOPASCAL,
|
||||
accuracy_decimals=2, # Resolution: 0.016
|
||||
device_class=DEVICE_CLASS_PRESSURE,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
),
|
||||
cv.Required(CONF_HUMIDITY): sensor.sensor_schema(
|
||||
unit_of_measurement=UNIT_PERCENT,
|
||||
accuracy_decimals=2, # Resolution: 0.04
|
||||
device_class=DEVICE_CLASS_HUMIDITY,
|
||||
state_class=STATE_CLASS_MEASUREMENT,
|
||||
)
|
||||
.extend(
|
||||
{
|
||||
cv.GenerateID(CONF_HUMIDITY_I2C_ID): cv.declare_id(
|
||||
MS8607HumidityDevice
|
||||
),
|
||||
}
|
||||
)
|
||||
.extend(i2c.i2c_device_schema(0x40)), # default address for humidity
|
||||
}
|
||||
)
|
||||
.extend(cv.polling_component_schema("60s"))
|
||||
.extend(i2c.i2c_device_schema(0x76)) # default address for temp/pressure
|
||||
)
|
||||
|
||||
|
||||
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)
|
||||
|
||||
if temperature_config := config.get(CONF_TEMPERATURE):
|
||||
sens = await sensor.new_sensor(temperature_config)
|
||||
cg.add(var.set_temperature_sensor(sens))
|
||||
|
||||
if pressure_config := config.get(CONF_PRESSURE):
|
||||
sens = await sensor.new_sensor(pressure_config)
|
||||
cg.add(var.set_pressure_sensor(sens))
|
||||
|
||||
if humidity_config := config.get(CONF_HUMIDITY):
|
||||
sens = await sensor.new_sensor(humidity_config)
|
||||
cg.add(var.set_humidity_sensor(sens))
|
||||
humidity_device = cg.new_Pvariable(humidity_config[CONF_HUMIDITY_I2C_ID])
|
||||
await i2c.register_i2c_device(humidity_device, humidity_config)
|
||||
cg.add(var.set_humidity_device(humidity_device))
|
||||
|
|
@ -193,7 +193,7 @@ class Component {
|
|||
* again in the future.
|
||||
*
|
||||
* The first retry of f happens after `initial_wait_time` milliseconds. The delay between retries is
|
||||
* increased by multipling by `backoff_increase_factor` each time. If no backoff_increase_factor is
|
||||
* increased by multiplying by `backoff_increase_factor` each time. If no backoff_increase_factor is
|
||||
* supplied (default = 1.0), the wait time will stay constant.
|
||||
*
|
||||
* The retry function f needs to accept a single argument: the number of attempts remaining. On the
|
||||
|
|
|
|||
|
|
@ -483,6 +483,29 @@ sensor:
|
|||
address: 0x77
|
||||
iir_filter: 2X
|
||||
|
||||
- platform: ms8607
|
||||
temperature:
|
||||
name: Temperature
|
||||
humidity:
|
||||
name: Humidity
|
||||
pressure:
|
||||
name: Pressure
|
||||
- platform: ms8607
|
||||
id: ms8607_more_config
|
||||
temperature:
|
||||
name: Indoor Temperature
|
||||
accuracy_decimals: 1
|
||||
pressure:
|
||||
name: Indoor Pressure
|
||||
internal: true
|
||||
humidity:
|
||||
name: Indoor Humidity
|
||||
address: 0x41
|
||||
i2c_id:
|
||||
i2c_id:
|
||||
address: 0x77
|
||||
update_interval: 10min
|
||||
|
||||
- platform: sen5x
|
||||
id: sen54
|
||||
temperature:
|
||||
|
|
|
|||
Loading…
Reference in New Issue