コード例 #1
0
 /// <summary>
 /// 启动升级固件
 /// </summary>
 /// <param name="socket"></param>
 /// <param name="ep"></param>
 public static byte[] getFirmwareUpdate()
 {
     try
     {
         //创建包头
         StructHeader header = new StructHeader
         {
             // 包头
             HEAD = GSMCMDEnum.frameHead,
             //启动固件升级
             CMD = GSMCMDEnum.firmwareUpdate,
             //帧长度
             LEN = 17
         };
         //转换大小端
         header.LEN = BytesArrayHelper.SwapUInt16(header.LEN);
         //通信地址
         byte[] comAddr = { 0xAA, 0xAA, 0xAA, 0xAA, 0xAA };
         header.COMADDR = comAddr;
         //源类型
         header.SRC = 0xE1;
         //目标类型
         header.DEST = 0xA1;
         //数据域
         byte[] dataBytes = { 0xff };
         //转换包头
         byte[] headerBytes = StructToBytes(header);
         //创建总包bytes
         byte[] sendBytes = new byte[17];
         //拷贝Header
         Array.Copy(headerBytes, 0, sendBytes, 0, headerBytes.Length);
         //拷贝xxTea
         Array.Copy(dataBytes, 0, sendBytes, headerBytes.Length, dataBytes.Length);
         //crc
         ushort crc = Crc16.GetCRC16(sendBytes, sendBytes.Length - 5);
         // 创建2字节byte数组用于存放校验位
         byte[] Check_Arr = new byte[2];
         // 获取校验位高8位
         Check_Arr[1] = Convert.ToByte(crc >> 8);
         // 获取校验位低8位
         Check_Arr[0] = Convert.ToByte(crc & 0xFF);
         //拷贝crc
         Array.Copy(Check_Arr, 0, sendBytes, sendBytes.Length - 5, 2);
         //包尾
         // sendBytes[sendBytes.Length - 1] = 0x16;
         sendBytes[sendBytes.Length - 3] = 0x2d;
         sendBytes[sendBytes.Length - 2] = 0x2d;
         sendBytes[sendBytes.Length - 1] = 0x45;
         //返回数据
         return(sendBytes);
     }
     catch (Exception)
     {
         return(null);
     }
 }
コード例 #2
0
        /// <summary>
        /// 获取固件包
        /// </summary>
        /// <param name="reportBuffer">串口上报的数据,用于解析请求的index</param>
        /// <returns></returns>
        public static byte[] getFirmwarePag(byte[] reportBuffer)
        {
            try
            {
                //转读固件包结构
                ReadUpdateP readPag = (ReadUpdateP)BytesToStruct(reportBuffer, typeof(ReadUpdateP));
                //获取Index
                int index = readPag.index;
                //Index 赋值
                Frm_Main.packetIndex = index + 1;
                //取升级固件包
                Dstruct dataSt = Frm_Main.DataPacks[index];
                byte[]  data   = StructToBytes(dataSt);
                //升级包数据域
                Updatestruct upStruct = new Updatestruct();
                //创建包头
                StructHeader header = new StructHeader();
                // 添加包头
                header.HEAD = GSMCMDEnum.frameHead;
                //通信地址
                byte[] comAddr = { 0xAA, 0xAA, 0xAA, 0xAA, 0xAA };
                header.COMADDR = comAddr;
                //源类型
                header.SRC = 0xE1;
                //目标类型
                header.DEST = 0xA1;
                //命令码
                header.CMD = GSMCMDEnum.ackFirmware;
                //帧长度
                header.LEN = 14 + 256 + 2 + 3;
                //转换大小端
                header.LEN = BytesArrayHelper.SwapUInt16(header.LEN);
                //升级包编号
                upStruct.index = (byte)index;
                //固件总长度
                UInt16 fileLength = (UInt16)Frm_Main.fileLenth;
                //转换大端
                fileLength = BytesArrayHelper.SwapUInt16(fileLength);
                //设置总长度
                upStruct.fileLength = fileLength;
                //升级包
                upStruct.dPack = data;
                //数据域
                byte[] dataBytes = new byte[259];
                //赋值固件包数据
                dataBytes = StructToBytes(upStruct);
                //转换包头
                byte[] headerBytes = StructToBytes(header);
                //创建总包bytes
                byte[] sendBytes = new byte[headerBytes.Length + dataBytes.Length + 2 + 3];
                //拷贝Header
                Array.Copy(headerBytes, 0, sendBytes, 0, headerBytes.Length);
                //拷贝xxTea
                Array.Copy(dataBytes, 0, sendBytes, headerBytes.Length, dataBytes.Length);
                //crc
                UInt16 crc = Crc16.GetCRC16(sendBytes, sendBytes.Length - 5);
                // 创建2字节byte数组用于存放校验位
                byte[] Check_Arr = new byte[2];
                // 获取校验位高8位
                Check_Arr[1] = Convert.ToByte(crc >> 8);
                // 获取校验位低8位
                Check_Arr[0] = Convert.ToByte(crc & 0xFF);
                //拷贝crc
                Array.Copy(Check_Arr, 0, sendBytes, sendBytes.Length - 5, 2);
                //包尾
                sendBytes[sendBytes.Length - 3] = 0x2d;
                sendBytes[sendBytes.Length - 2] = 0x2d;
                sendBytes[sendBytes.Length - 1] = 0x45;

                //返回数据
                return(sendBytes);
            }
            catch (Exception)
            {
                //若发送报错则关闭套接字
                return(null);
            }
        }