modbus_device_handler.h

// SPDX-FileCopyrightText: AC SOFTWARE SP. Z O.O.
// SPDX-License-Identifier: GPL-2.0-or-later
 
#ifndef SRC_SUPLA_MODBUS_MODBUS_DEVICE_HANDLER_H_
#define SRC_SUPLA_MODBUS_MODBUS_DEVICE_HANDLER_H_
 
#include "modbus_client_handler.h"
 
#define EM_REGISTER_BLOCK_MAX_SIZE (30)
 
class SuplaDeviceClass;
 
namespace Supla {
 
class ModbusDeviceHandler : public ModbusClientHandler {
 public:
  explicit ModbusDeviceHandler(uint16_t offset = 0);
 
  Supla::Modbus::Result holdingProcessRequest(uint16_t address,
                               uint16_t nRegs,
                               uint8_t *regBuffer,
                               Supla::Modbus::Access access) override;
 
  bool isHoldingSupported() override;
  bool isInputSupported() override;
 private:
  int fillRegBuffer(uint8_t *regBuffer,
                    char *input,
                    int *reg,
                    int regOffset,
                    int nRegs,
                    int fieldSize);
};
 
}  // namespace Supla
 
#endif  // SRC_SUPLA_MODBUS_MODBUS_DEVICE_HANDLER_H_