/// <summary>
/// 将接收到的字节数组转换为结构体
/// </summary>
/// <param name="receivedBuffer"></param>
public void ReadBuffer(byte[] receivedBuffer)
{
//检验是否有帧头帧尾
int dataLen = receivedBuffer.Length;
IsValidData = true;
if (dataLen < 10)
{
IsValidData = false;
return;
}
if (receivedBuffer[0] == 0x78 && receivedBuffer[1] == 0x78)
{
//去掉帧头帧尾的数据帧
byte[] dataBuffer = new byte[dataLen - 4];
Array.Copy(receivedBuffer, 2, dataBuffer, 0, dataBuffer.Length);
//包长度
FrameLen = dataBuffer[0];
//校验和
ProtocolNo = (KKSProtocolNO)dataBuffer[1];
CRCVerCode = new byte[2];
Array.Copy(receivedBuffer, dataLen - 4, CRCVerCode, 0, 2);
SerialNum = new byte[2];
Array.Copy(receivedBuffer, dataLen - 6, SerialNum, 0, 2);
//用户数据
Data = new byte[dataLen - 10];
Array.Copy(receivedBuffer, 4, Data, 0, dataLen - 10);
_CRCContext = new byte[dataLen - 6];
Array.Copy(receivedBuffer, 2, _CRCContext, 0, _CRCContext.Length);
if (!KangKaiSiTool.CheckCRCCode(_CRCContext, CRCVerCode))
{
IsValidData = false;
return;
}
}
}
/// <summary>
/// 将接收到的字节数组转换为结构体
/// </summary>
/// <param name="receivedBuffer"></param>
public void ReadBuffer(byte[] receivedBuffer)
{
IsValidData = true;
//检验是否有帧头帧尾
int dataLen = receivedBuffer.Length;
if (dataLen < 20 || receivedBuffer[0] != 0x68 || receivedBuffer[1] != 0x68 || receivedBuffer[dataLen - 2] != 0x0D || receivedBuffer[dataLen - 1] != 0x0A)
{
IsValidData = false;
return;
}
if (receivedBuffer[15] == 0x10 && dataLen == 42)
{
//去掉帧头帧尾的数据帧
byte[] dataBuffer = new byte[dataLen - 4];
Array.Copy(receivedBuffer, 2, dataBuffer, 0, dataBuffer.Length);
//包长度
FrameLen = dataBuffer[0];
//保留位
ReserveData = new byte[2];
Array.Copy(dataBuffer, 1, ReserveData, 0, 2);
//终端ID
byte[] imeiBuffer = new byte[8];
Array.Copy(dataBuffer, 3, imeiBuffer, 0, 8);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < imeiBuffer.Length; i++)
{
sb.Append(imeiBuffer[i].ToString("X2"));
}
TerminalIMEI = ulong.Parse(sb.ToString());
//协议号
ProtocolNo = (KKSProtocolNO)dataBuffer[13];
//用户数据
Data = new byte[24];
Array.Copy(dataBuffer, 14, Data, 0, 24);
}
else if (receivedBuffer[15] == 0x1A)
{
//去掉帧头帧尾的数据帧
byte[] dataBuffer = new byte[dataLen - 4];
Array.Copy(receivedBuffer, 2, dataBuffer, 0, dataBuffer.Length);
//包长度
FrameLen = dataBuffer[0];
Voltage = dataBuffer[1];
GSMLevel = dataBuffer[2];
byte[] imeiBuffer = new byte[8];
Array.Copy(dataBuffer, 3, imeiBuffer, 0, 8);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < imeiBuffer.Length; i++)
{
sb.Append(imeiBuffer[i].ToString("X2"));
}
TerminalIMEI = ulong.Parse(sb.ToString());
SerialNum = new byte[2];
Array.Copy(dataBuffer, 11, SerialNum, 0, 2);
ProtocolNo = (KKSProtocolNO)dataBuffer[13];
Data = new byte[dataLen - 18];
Array.Copy(dataBuffer, 14, Data, 0, dataLen - 18);
}
else if (receivedBuffer[15] == 0x1B)//短信查询位置信息
{
byte[] dataBuffer = new byte[dataLen - 4];
Array.Copy(receivedBuffer, 2, dataBuffer, 0, dataBuffer.Length);
//包长度
FrameLen = dataBuffer[0];
byte[] imeiBuffer = new byte[8];
Array.Copy(dataBuffer, 3, imeiBuffer, 0, 8);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < imeiBuffer.Length; i++)
{
sb.Append(imeiBuffer[i].ToString("X2"));
}
TerminalIMEI = ulong.Parse(sb.ToString());
SerialNum = new byte[2];
Array.Copy(dataBuffer, 11, SerialNum, 0, 2);
ProtocolNo = (KKSProtocolNO)dataBuffer[13];
Data = new byte[dataLen - 18];
Array.Copy(dataBuffer, 14, Data, 0, dataLen - 18);
}
else
{
IsValidData = false;
}
}
/// <summary>
/// 根据GPSCODE,更新最后上传数据的类型
/// </summary>
/// <param name="gpsCode"></param>
/// <param name="protocolNo"></param>
private void UpdateLastProtocolNo(string gpsCode, KKSProtocolNO protocolNo)
{
lock (objLocker)
{
if (_LastReceiveDataProtocolNo.ContainsKey(gpsCode))
{
_LastReceiveDataProtocolNo[gpsCode] = protocolNo;
}
else
{
_LastReceiveDataProtocolNo.Add(gpsCode, protocolNo);
}
}
}
