modbus_binarysensor.h

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#pragma once

#include "esphome/components/binary_sensor/binary_sensor.h"
#include "esphome/components/modbus_controller/modbus_controller.h"
#include "esphome/core/component.h"

#include <vector>

namespace esphome {
namespace modbus_controller {

class ModbusBinarySensor : public Component, public binary_sensor::BinarySensor, public SensorItem {
 public:
  ModbusBinarySensor(ModbusRegisterType register_type, uint16_t start_address, uint8_t offset, uint32_t bitmask,
                     uint16_t skip_updates, bool force_new_range) {
    this->register_type = register_type;
    this->start_address = start_address;
    this->offset = offset;
    this->bitmask = bitmask;
    this->sensor_value_type = SensorValueType::BIT;
    this->skip_updates = skip_updates;
    this->force_new_range = force_new_range;

    if (register_type == ModbusRegisterType::COIL || register_type == ModbusRegisterType::DISCRETE_INPUT) {
      this->register_count = offset + 1;
    } else {
      this->register_count = 1;
    }
  }

  void parse_and_publish(const std::vector<uint8_t> &data) override;
  void set_state(bool state) { this->state = state; }

  void dump_config() override;

  using transform_func_t = std::function<optional<bool>(ModbusBinarySensor *, bool, const std::vector<uint8_t> &)>;
  void set_template(transform_func_t &&f) { this->transform_func_ = f; }

 protected:
  optional<transform_func_t> transform_func_{nullopt};
};

}  // namespace modbus_controller
}  // namespace esphome