mirror of
https://github.com/esphome/esphome.git
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ac0d921413
* Socket refactor and SSL * esp-idf temp * Fixes * Echo component and noise * Add noise API transport support * Updates * ESP-IDF * Complete * Fixes * Fixes * Versions update * New i2c APIs * Complete i2c refactor * SPI migration * Revert ESP Preferences migration, too complex for now * OTA support * Remove echo again * Remove ssl again * GPIOFlags updates * Rename esphal and ICACHE_RAM_ATTR * Make ESP32 arduino compilable again * Fix GPIO flags * Complete pin registry refactor and fixes * Fixes to make test1 compile * Remove sdkconfig file * Ignore sdkconfig file * Fixes in reviewing * Make test2 compile * Make test4 compile * Make test5 compile * Run clang-format * Fix lint errors * Use esp-idf APIs instead of btStart * Another round of fixes * Start implementing ESP8266 * Make test3 compile * Guard esp8266 code * Lint * Reformat * Fixes * Fixes v2 * more fixes * ESP-IDF tidy target * Convert ARDUINO_ARCH_ESPxx * Update WiFiSignalSensor * Update time ifdefs * OTA needs millis from hal * RestartSwitch needs delay from hal * ESP-IDF Uart * Fix OTA blank password * Allow setting sdkconfig * Fix idf partitions and allow setting sdkconfig from yaml * Re-add read/write compat APIs and fix esp8266 uart * Fix esp8266 store log strings in flash * Fix ESP32 arduino preferences not initialized * Update ifdefs * Change how sdkconfig change is detected * Add checks to ci-custom and fix them * Run clang-format * Add esp-idf clang-tidy target and fix errors * Fixes from clang-tidy idf round 2 * Fixes from compiling tests with esp-idf * Run clang-format * Switch test5.yaml to esp-idf * Implement ESP8266 Preferences * Lint * Re-do PIO package version selection a bit * Fix arduinoespressif32 package version * Fix unit tests * Lint * Lint fixes * Fix readv/writev not defined * Fix graphing component * Re-add all old options from core/config.py Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
#include "sht4x.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace sht4x {
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static const char *const TAG = "sht4x";
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static const uint8_t MEASURECOMMANDS[] = {0xFD, 0xF6, 0xE0};
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void SHT4XComponent::start_heater_() {
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uint8_t cmd[] = {MEASURECOMMANDS[this->heater_command_]};
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ESP_LOGD(TAG, "Heater turning on");
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this->write(cmd, 1);
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}
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void SHT4XComponent::setup() {
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ESP_LOGCONFIG(TAG, "Setting up sht4x...");
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if (this->duty_cycle_ > 0.0) {
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uint32_t heater_interval = (uint32_t)(this->heater_time_ / this->duty_cycle_);
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ESP_LOGD(TAG, "Heater interval: %i", heater_interval);
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if (this->heater_power_ == SHT4X_HEATERPOWER_HIGH) {
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if (this->heater_time_ == SHT4X_HEATERTIME_LONG) {
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this->heater_command_ = 0x39;
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} else {
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this->heater_command_ = 0x32;
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}
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} else if (this->heater_power_ == SHT4X_HEATERPOWER_MED) {
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if (this->heater_time_ == SHT4X_HEATERTIME_LONG) {
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this->heater_command_ = 0x2F;
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} else {
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this->heater_command_ = 0x24;
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}
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} else {
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if (this->heater_time_ == SHT4X_HEATERTIME_LONG) {
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this->heater_command_ = 0x1E;
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} else {
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this->heater_command_ = 0x15;
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}
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}
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ESP_LOGD(TAG, "Heater command: %x", this->heater_command_);
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this->set_interval(heater_interval, std::bind(&SHT4XComponent::start_heater_, this));
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}
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}
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void SHT4XComponent::dump_config() { LOG_I2C_DEVICE(this); }
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void SHT4XComponent::update() {
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uint8_t cmd[] = {MEASURECOMMANDS[this->precision_]};
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// Send command
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this->write(cmd, 1);
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this->set_timeout(10, [this]() {
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const uint8_t num_bytes = 6;
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uint8_t buffer[num_bytes];
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// Read measurement
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bool read_status = this->read_bytes_raw(buffer, num_bytes);
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if (read_status) {
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// Evaluate and publish measurements
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if (this->temp_sensor_ != nullptr) {
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// Temp is contained in the first 16 bits
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float sensor_value_temp = (buffer[0] << 8) + buffer[1];
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float temp = -45 + 175 * sensor_value_temp / 65535;
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this->temp_sensor_->publish_state(temp);
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}
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if (this->humidity_sensor_ != nullptr) {
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// Relative humidity is in the last 16 bits
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float sensor_value_rh = (buffer[3] << 8) + buffer[4];
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float rh = -6 + 125 * sensor_value_rh / 65535;
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this->humidity_sensor_->publish_state(rh);
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}
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} else {
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ESP_LOGD(TAG, "Sensor read failed");
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}
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});
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}
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} // namespace sht4x
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} // namespace esphome
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