Add BME680 via BSEC integration (#1313)

esphome/components/bme680_bsec/bme680_bsec.h

@@ -0,0 +1,106 @@
+#ifdef USING_BSEC
+
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/text_sensor/text_sensor.h"
+#include "esphome/components/i2c/i2c.h"
+#include "esphome/core/preferences.h"
+#include <bsec.h>
+#include <map>
+
+namespace esphome {
+namespace bme680_bsec {
+
+enum IAQMode {
+  IAQ_MODE_STATIC = 0,
+  IAQ_MODE_MOBILE = 1,
+};
+
+enum SampleRate {
+  SAMPLE_RATE_LP = 0,
+  SAMPLE_RATE_ULP = 1,
+};
+
+class BME680BSECComponent : public Component, public i2c::I2CDevice {
+ public:
+  void set_temperature_offset(float offset) { this->temperature_offset_ = offset; }
+  void set_iaq_mode(IAQMode iaq_mode) { this->iaq_mode_ = iaq_mode; }
+  void set_sample_rate(SampleRate sample_rate) { this->sample_rate_ = sample_rate; }
+  void set_state_save_interval(uint32_t interval) { this->state_save_interval_ms_ = interval; }
+
+  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_gas_resistance_sensor(sensor::Sensor *gas_resistance_sensor) {
+    gas_resistance_sensor_ = gas_resistance_sensor;
+  }
+  void set_iaq_sensor(sensor::Sensor *iaq_sensor) { iaq_sensor_ = iaq_sensor; }
+  void set_iaq_accuracy_text_sensor(text_sensor::TextSensor *iaq_accuracy_text_sensor) {
+    iaq_accuracy_text_sensor_ = iaq_accuracy_text_sensor;
+  }
+  void set_iaq_accuracy_sensor(sensor::Sensor *iaq_accuracy_sensor) { iaq_accuracy_sensor_ = iaq_accuracy_sensor; }
+  void set_co2_equivalent_sensor(sensor::Sensor *co2_equivalent_sensor) {
+    co2_equivalent_sensor_ = co2_equivalent_sensor;
+  }
+  void set_breath_voc_equivalent_sensor(sensor::Sensor *breath_voc_equivalent_sensor) {
+    breath_voc_equivalent_sensor_ = breath_voc_equivalent_sensor;
+  }
+
+  static BME680BSECComponent *instance;
+  static int8_t read_bytes_wrapper(uint8_t address, uint8_t a_register, uint8_t *data, uint16_t len);
+  static int8_t write_bytes_wrapper(uint8_t address, uint8_t a_register, uint8_t *data, uint16_t len);
+  static void delay_ms(uint32_t period);
+
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override;
+  void loop() override;
+
+ protected:
+  void set_config_(const uint8_t *config);
+  void update_subscription_(float sample_rate);
+
+  void run_();
+  void read_(bsec_bme_settings_t bme680_settings);
+  void publish_(const bsec_output_t *outputs, uint8_t num_outputs);
+  int64_t get_time_ns_();
+
+  void publish_sensor_state_(sensor::Sensor *sensor, float value, bool change_only = false);
+  void publish_sensor_state_(text_sensor::TextSensor *sensor, std::string value);
+
+  void load_state_();
+  void save_state_(uint8_t accuracy);
+
+  struct bme680_dev bme680_;
+  bsec_library_return_t bsec_status_{BSEC_OK};
+  int8_t bme680_status_{BME680_OK};
+
+  int64_t last_time_ms_{0};
+  uint32_t millis_overflow_counter_{0};
+  int64_t next_call_ns_{0};
+
+  ESPPreferenceObject bsec_state_;
+  uint32_t state_save_interval_ms_{21600000};  // 6 hours - 4 times a day
+  uint32_t last_state_save_ms_ = 0;
+
+  float temperature_offset_{0};
+  IAQMode iaq_mode_{IAQ_MODE_STATIC};
+  SampleRate sample_rate_{SAMPLE_RATE_LP};
+
+  sensor::Sensor *temperature_sensor_;
+  sensor::Sensor *pressure_sensor_;
+  sensor::Sensor *humidity_sensor_;
+  sensor::Sensor *gas_resistance_sensor_;
+  sensor::Sensor *iaq_sensor_;
+  text_sensor::TextSensor *iaq_accuracy_text_sensor_;
+  sensor::Sensor *iaq_accuracy_sensor_;
+  sensor::Sensor *co2_equivalent_sensor_;
+  sensor::Sensor *breath_voc_equivalent_sensor_;
+};
+
+}  // namespace bme680_bsec
+}  // namespace esphome
+
+#endif