modbus_number.h

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#pragma once
 
#include "esphome/components/number/number.h"
#include "esphome/components/modbus_controller/modbus_controller.h"
#include "esphome/core/component.h"
 
#include <vector>
 
namespace esphome::modbus_controller {
 
using value_to_data_t = std::function<float>(float);
 
class ModbusNumber final : public number::Number, public Component, public SensorItem, public WriterEntity {
 public:
  ModbusNumber(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint32_t bitmask,
               SensorValueType value_type, RangeReuse reuse_previous_range) {
    this->register_type = register_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(offset);
    this->bitmask = bitmask;
    this->sensor_value_type = value_type;
    this->reuse_previous_range = reuse_previous_range;
  };
 
  void dump_config() override;
  void parse_and_publish(std::span<const uint8_t> data) override;
  float get_setup_priority() const override { return setup_priority::HARDWARE; }
  void set_parent(ModbusController *parent) { this->set_controller_(parent); }
  void set_write_multiply(float factor) { this->multiply_by_ = factor; }
 
  using transform_func_t = optional<float> (*)(ModbusNumber *, float, std::span<const uint8_t>);
  using write_transform_func_t = optional<float> (*)(ModbusNumber *, float, modbus::RegisterValues &);
  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 set_use_write_mutiple(bool use_write_multiple) { this->use_write_multiple_ = use_write_multiple; }
 
 protected:
  void control(float value) override;
  optional<transform_func_t> transform_func_{nullopt};
  optional<write_transform_func_t> write_transform_func_{nullopt};
  float multiply_by_{1.0};
  bool use_write_multiple_{false};
};
 
}  // namespace esphome::modbus_controller