using HslCommunication.Profinet.Siemens;
using System;

namespace WCS.Service.PLCAccessors
{
    public class SiemensS7PLC : SiemensS7Net
    {
        private SiemensS7Net plc;

        public SiemensS7PLC(SiemensPLCS type) : base(type)
        {
        }

        public SiemensS7PLC(SiemensPLCS type, string ip) : base(type, ip)
        {
            plc = new SiemensS7Net(type, ip);
        }

        public SiemensS7PLC(int type, string ip) : base((SiemensPLCS)type, ip)
        {
            plc = new SiemensS7Net((SiemensPLCS)type, ip);
        }

        public byte[] ReadBytes(ushort db, ushort address, ushort length)
        {
            var addr = "DB" + db + "." + address;
            var res = plc.Read(addr, length);
            if (res.IsSuccess)
                return res.Content;
            throw new Exception("读取PLC数据失败:" + res.Message);
        }

        public void WriteBytes(ushort db, ushort address, byte[] data)
        {
            var start = db + address / 2;
            var res = plc.Write("D" + start, data);
            if (!res.IsSuccess)
                throw new Exception("写入PLC数据失败:" + res.Message);
        }
    }
}