using System;
using System.ComponentModel.DataAnnotations;

namespace ln.ethercat
{
    public class PDO
    {
        readonly ECMaster ECMaster;

        public SDO SDO { get; }
        public SDOAddr Address => SDO.Address;

        public int AddressOffset { get; set; }
        public int AddressBit { get; set; }
        public int BitLength { get; set; }
        public int ByteLength {
            get => (BitLength + 7) / 8;
            set => BitLength = value * 8;
        }

        public PDO(ECMaster ecMaster, UInt16 slave, UInt16 index, byte subIndex)
        {
            ECMaster = ecMaster;
            ECMaster.GetSDO(new SDOAddr(slave, index, subIndex), out SDO sdo);
            SDO = sdo;
        }



    }
}