bthome_ble.h

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#pragma once
 
#include "esphome/components/ble_device_base/ble_device.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/core/component.h"
 
#include <cstdint>
#include <initializer_list>
#include <vector>
 
// No platform #ifdef: ble_device_base provides the BLE types on every platform; this
// component is only compiled when configured (which requires a BLE hub). bindkey (AES-CCM)
// decryption availability is selected per platform in the .cpp.
namespace esphome::bthome_mithermometer {
 
class BTHomeMiThermometer final : public ble_device_base::ESPBTDeviceListener, public Component {
 public:
  void set_address(uint64_t address) { this->address_ = address; }
  void set_bindkey(std::initializer_list<uint8_t> bindkey);
 
  void set_temperature(sensor::Sensor *temperature) { this->temperature_ = temperature; }
  void set_humidity(sensor::Sensor *humidity) { this->humidity_ = humidity; }
  void set_battery_level(sensor::Sensor *battery_level) { this->battery_level_ = battery_level; }
  void set_battery_voltage(sensor::Sensor *battery_voltage) { this->battery_voltage_ = battery_voltage; }
  void set_signal_strength(sensor::Sensor *signal_strength) { this->signal_strength_ = signal_strength; }
 
  void dump_config() override;
  bool parse_device(const ble_device_base::ESPBTDevice &device) override;
 
 protected:
  bool handle_service_data_(const ble_device_base::ServiceData &service_data,
                            const ble_device_base::ESPBTDevice &device);
  bool decrypt_bthome_payload_(const std::vector<uint8_t> &data, uint64_t source_address,
                               std::vector<uint8_t> &payload) const;
 
  uint64_t address_{0};
  optional<uint8_t> last_packet_id_{};
  bool has_bindkey_{false};
  uint8_t bindkey_[16];
 
  sensor::Sensor *temperature_{nullptr};
  sensor::Sensor *humidity_{nullptr};
  sensor::Sensor *battery_level_{nullptr};
  sensor::Sensor *battery_voltage_{nullptr};
  sensor::Sensor *signal_strength_{nullptr};
};
 
}  // namespace esphome::bthome_mithermometer