当前位置: 首页>>代码示例>>C#>>正文


C# GXDLMSSettings.NextSend方法代码示例

本文整理汇总了C#中Gurux.DLMS.GXDLMSSettings.NextSend方法的典型用法代码示例。如果您正苦于以下问题:C# GXDLMSSettings.NextSend方法的具体用法?C# GXDLMSSettings.NextSend怎么用?C# GXDLMSSettings.NextSend使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Gurux.DLMS.GXDLMSSettings的用法示例。


在下文中一共展示了GXDLMSSettings.NextSend方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: GetHdlcFrame

        /// <summary>
        /// Get HDLC frame for data.
        /// </summary>
        /// <param name="settings">DLMS settings.</param>
        /// <param name="frame">Frame ID. If zero new is generated.</param>
        /// <param name="data">Data to add.</param>
        /// <returns>HDLC frames.</returns>
        internal static byte[] GetHdlcFrame(GXDLMSSettings settings, byte frame, GXByteBuffer data)
        {
            GXByteBuffer bb = new GXByteBuffer();
            int frameSize, len = 0;
            byte[] primaryAddress, secondaryAddress;
            if (settings.IsServer)
            {
                primaryAddress = GetHdlcAddressBytes(settings.ClientAddress, 0);
                secondaryAddress = GetHdlcAddressBytes(settings.ServerAddress, settings.ServerAddressSize);
            }
            else
            {
                primaryAddress = GetHdlcAddressBytes(settings.ServerAddress, settings.ServerAddressSize);
                secondaryAddress = GetHdlcAddressBytes(settings.ClientAddress, 0);
            }
            // Add BOP
            bb.SetUInt8(GXCommon.HDLCFrameStartEnd);
            frameSize = Convert.ToInt32(settings.Limits.MaxInfoTX);
            // If no data
            if (data == null || data.Size == 0)
            {
                bb.SetUInt8(0xA0);
            }
            else if (data.Size - data.Position <= frameSize)
            {
                // Is last packet.
                bb.SetUInt8(0xA0);
                len = data.Size - data.Position;
            }
            else
            {
                // More data to left.
                bb.SetUInt8(0xA8);
                len = frameSize;
            }
            //Frame len.
            if (len == 0)
            {
                bb.SetUInt8((byte)(5 + primaryAddress.Length + secondaryAddress.Length + len));
            }
            else
            {
                bb.SetUInt8((byte)(7 + primaryAddress.Length + secondaryAddress.Length + len));
            }
            // Add primary address.
            bb.Set(primaryAddress);
            // Add secondary address.
            bb.Set(secondaryAddress);

            //Add frame ID.
            if (frame == 0)
            {
                frame = settings.NextSend();
            }
            bb.SetUInt8(frame);
            // Add header CRC.
            UInt16 crc = GXFCS16.CountFCS16(bb.Data, 1, bb.Size - 1);
            bb.SetUInt16(crc);
            if (len != 0)
            {
                //Add data.
                bb.Set(data, len);
                // Add data CRC.
                crc = GXFCS16.CountFCS16(bb.Data, 1, bb.Size - 1);
                bb.SetUInt16(crc);
            }
            // Add EOP
            bb.SetUInt8(GXCommon.HDLCFrameStartEnd);
            if (data != null)
            {
                //Remove sent data in server side.
                if (settings.IsServer)
                {
                    if (data.Size == data.Position)
                    {
                        data.Clear();
                    }
                    else
                    {
                        data.Move(data.Position, 0, data.Size - data.Position);
                        data.Position = 0;
                    }
                }
            }
            return bb.Array();
        }
开发者ID:Gurux,项目名称:Gurux.DLMS.Net,代码行数:93,代码来源:GXDLMS.cs


注:本文中的Gurux.DLMS.GXDLMSSettings.NextSend方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。