///
/// Copyright (c) 2015-2016 Sensus Metering Systems
///
using System.Collections.Generic;
using TBF.BenchControl.Generic;

namespace TBF.BenchControl.GenericDevices
{
	public interface IModbus : IComponent
	{
		/// <summary>
		/// Send an arbitrary modbus message.
		/// When the message length is N, however only bytes 1..N-2 have to be set.
		/// The last two message bytes (CRC) may be uninitialized or zero.
		/// They are calculated inside this function as required by Modbus specification.
		/// </summary>
		/// <param name="message">Message incl CRC fields, CRC bytes dont have to be set</param>
		void SendMessage(byte[] message);

		/// <summary>
		/// Send a structured modbus message.
		/// </summary>
		/// <param name="modbusAddress">Device address (1..255) or 0 = broadcast</param>
		/// <param name="function">Function (0..127)</param>
		/// <param name="dataAddress">Address of data to be transferred (0..65535)</param>
		/// <param name="dataCount">Count of data bytes to be transferred (0..65535)</param>
		void SendMessage(byte modbusAddress, byte function, ushort dataAddress, ushort dataCount);

		Queue<byte[]>[] ReceivedTelegrams { get; }
	}
}