ble_sensor.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/components/ble_client/ble_client.h"
#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
#include "esphome/components/sensor/sensor.h"
 
#include <vector>
 
#ifdef USE_ESP32
#include <esp_gattc_api.h>
 
namespace esphome {
namespace ble_client {
 
namespace espbt = esphome::esp32_ble_tracker;
 
class BLESensor : public sensor::Sensor, public PollingComponent, public BLEClientNode {
 public:
  void loop() override;
  void update() override;
  void gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
                           esp_ble_gattc_cb_param_t *param) override;
  void dump_config() override;
  void set_service_uuid16(uint16_t uuid) { this->service_uuid_ = espbt::ESPBTUUID::from_uint16(uuid); }
  void set_service_uuid32(uint32_t uuid) { this->service_uuid_ = espbt::ESPBTUUID::from_uint32(uuid); }
  void set_service_uuid128(uint8_t *uuid) { this->service_uuid_ = espbt::ESPBTUUID::from_raw(uuid); }
  void set_char_uuid16(uint16_t uuid) { this->char_uuid_ = espbt::ESPBTUUID::from_uint16(uuid); }
  void set_char_uuid32(uint32_t uuid) { this->char_uuid_ = espbt::ESPBTUUID::from_uint32(uuid); }
  void set_char_uuid128(uint8_t *uuid) { this->char_uuid_ = espbt::ESPBTUUID::from_raw(uuid); }
  void set_descr_uuid16(uint16_t uuid) { this->descr_uuid_ = espbt::ESPBTUUID::from_uint16(uuid); }
  void set_descr_uuid32(uint32_t uuid) { this->descr_uuid_ = espbt::ESPBTUUID::from_uint32(uuid); }
  void set_descr_uuid128(uint8_t *uuid) { this->descr_uuid_ = espbt::ESPBTUUID::from_raw(uuid); }
  void set_data_to_value(float (*lambda)(const std::vector<uint8_t> &)) {
    this->data_to_value_func_ = lambda;
    this->has_data_to_value_ = true;
  }
  void set_enable_notify(bool notify) { this->notify_ = notify; }
  uint16_t handle;
 
 protected:
  float parse_data_(uint8_t *value, uint16_t value_len);
  bool has_data_to_value_{false};
  float (*data_to_value_func_)(const std::vector<uint8_t> &){};
  bool notify_;
  espbt::ESPBTUUID service_uuid_;
  espbt::ESPBTUUID char_uuid_;
  espbt::ESPBTUUID descr_uuid_;
};
 
}  // namespace ble_client
}  // namespace esphome
#endif