/// <summary>
        ///
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="targetId"></param>
        /// <returns></returns>
        public byte[] SingleQuiryPowersupply(PowersupplyChannel ch, int targetId = 0)
        {
            byte[] ar = null;
            UInt16 crc;
            SingleQuiryPowersupplyCmd cmd = new SingleQuiryPowersupplyCmd();

            InitHeader(typeof(SingleQuiryPowersupplyCmd), (CmdHeader)cmd, 0x02, TYPE_POWER, (UInt16)targetId);
            cmd.channel       = (byte)ch;
            ar                = Struct2Array <SingleQuiryPowersupplyCmd>(cmd);
            crc               = CalcCRC16(0, ar, ar.Length - 2);
            ar[ar.Length - 2] = (byte)(crc >> 8);
            ar[ar.Length - 1] = (byte)(crc & 0xff);
            return(ar);
        }
        /// <summary>
        /// 获取电源配置命令的字节数组
        /// </summary>
        /// <param name="ch">配置电源的通道</param>
        /// <param name="mode">对应通道的工作模式</param>
        /// <param name="vset">DCDC模式下的输出电压,单位‘毫伏’</param>
        /// <param name="targetId"></param>
        /// <returns></returns>
        public byte[] PowersupplyConfig(PowersupplyChannel ch, PowerMode mode, int vset = 5000, int targetId = 0)
        {
            byte[] ar = null;
            UInt16 crc;
            PowersupplyConfigCmd cmd = new PowersupplyConfigCmd();
            byte ctrlcode            = 0x01;

            if (PowersupplyChannel.ChannelAll == ch)
            {
                ctrlcode = 0xff;
            }
            InitHeader(typeof(PowersupplyConfigCmd), (CmdHeader)cmd, ctrlcode, TYPE_POWER, (UInt16)targetId);
            cmd.mode          = (byte)mode;
            cmd.channel       = (byte)ch;
            cmd.Vset_h        = (byte)(vset >> 8);
            cmd.Vset_l        = (byte)(vset & 0xff);
            ar                = Struct2Array <PowersupplyConfigCmd>(cmd);
            crc               = CalcCRC16(0, ar, ar.Length - 2);
            ar[ar.Length - 2] = (byte)(crc >> 8);
            ar[ar.Length - 1] = (byte)(crc & 0xff);
            return(ar);
        }