modbus_select.h

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#pragma once
 
#include <utility>
#include <vector>
 
#include "esphome/components/modbus_controller/modbus_controller.h"
#include "esphome/components/select/select.h"
#include "esphome/core/component.h"
 
namespace esphome::modbus_controller {
 
class ModbusSelect final : public Component, public select::Select, public SensorItem, public WriterEntity {
 public:
  ModbusSelect(SensorValueType sensor_value_type, uint16_t start_address, RangeReuse reuse_previous_range,
               std::vector<int64_t> mapping) {
    this->register_type = modbus::EntityType::HOLDING;  // not configurable
    this->sensor_value_type = sensor_value_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(0);  // not configurable
    this->bitmask = 0xFFFFFFFF;              // not configurable
    this->response_bytes = 0;                // not configurable
    this->reuse_previous_range = reuse_previous_range;
    this->mapping_ = std::move(mapping);
  }
 
  using transform_func_t = optional<std::string> (*)(ModbusSelect *const, int64_t, std::span<const uint8_t>);
  using write_transform_func_t = optional<int64_t> (*)(ModbusSelect *const, const std::string &, int64_t,
                                                       modbus::RegisterValues &);
 
  void set_parent(ModbusController *const parent) { this->set_controller_(parent); }
  void set_use_write_mutiple(bool use_write_multiple) { this->use_write_multiple_ = use_write_multiple; }
  void set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
  void set_template(transform_func_t f) { this->transform_func_ = f; }
  void set_write_template(write_transform_func_t f) { this->write_transform_func_ = f; }
 
  void dump_config() override;
  void parse_and_publish(std::span<const uint8_t> data) override;
  void control(size_t index) override;
 
 protected:
  std::vector<int64_t> mapping_{};
  bool use_write_multiple_{false};
  bool optimistic_{false};
  optional<transform_func_t> transform_func_{nullopt};
  optional<write_transform_func_t> write_transform_func_{nullopt};
};
 
}  // namespace esphome::modbus_controller