modbus_textsensor.h

Go to the documentation of this file.

#pragma once
 
#include "esphome/components/modbus_controller/modbus_controller.h"
#include "esphome/components/text_sensor/text_sensor.h"
#include "esphome/core/component.h"
 
#include <span>
 
namespace esphome::modbus_controller {
 
enum class RawEncoding { NONE = 0, HEXBYTES = 1, COMMA = 2, ANSI = 3 };
 
class ModbusTextSensor final : public Component, public text_sensor::TextSensor, public SensorItem {
 public:
  ModbusTextSensor(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint16_t response_bytes,
                   RawEncoding encode, RangeReuse reuse_previous_range) {
    this->register_type = register_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(offset);
    this->response_bytes = response_bytes;
    this->encode_ = encode;
    this->bitmask = 0xFFFFFFFF;
    this->sensor_value_type = SensorValueType::RAW;
    this->reuse_previous_range = reuse_previous_range;
  }
 
  void dump_config() override;
 
  void parse_and_publish(std::span<const uint8_t> data) override;
  using transform_func_t = optional<std::string> (*)(ModbusTextSensor *, std::string, std::span<const uint8_t>);
  void set_template(transform_func_t f) { this->transform_func_ = f; }
 
 protected:
  optional<transform_func_t> transform_func_{nullopt};
 
  RawEncoding encode_;
};
 
}  // namespace esphome::modbus_controller