public bool ReadData(int StartPoint, ref double ReadData)
{
bool isOk = false;
if (cMain.isDebug)
{
ReadData = (byte)(20 + (byte)(Num.Rand() * 10));
return(true);
}
if (!c7017IsInit)//没有初始化
{
init();
return(false);
}
string tmpReadData; //收到数据
string WriteBuff = ""; //发送数据
byte[] ReadBuff = new byte[20]; //接收数据
int ReturnByte = 0; //返回数据
bool IsReturn = false; //是否成功返回
bool IsTimeOut = false; //是否超时
DateTime NowTime = DateTime.Now; //当前时间
TimeSpan ts; //时间差
try
{
if (!comPort.IsOpen)
{
comPort.Open();
}
WriteBuff = string.Format("#{0:D2}{1}\r", c7017Address, StartPoint);
comPort.DiscardInBuffer();
comPort.Write(WriteBuff);
NowTime = DateTime.Now;
do
{
Threading.Thread.Sleep(20);
if (comPort.BytesToRead >= 9)//收到数据
{
ReturnByte = comPort.BytesToRead;
IsReturn = true;
}
ts = DateTime.Now - NowTime;
if (ts.TotalMilliseconds > timeOut)//时间超时
{
IsTimeOut = true;
}
} while (!IsReturn && !IsTimeOut);
if (!IsReturn && IsTimeOut)//超时
{
if (ErrStr.IndexOf("接收数据已超时") < 0)
{
ErrStr = ErrStr + DateTime.Now.ToString() + ",StandarBoardInit," + "初始失败,接收数据已超时" + (char)13 + (char)10;
}
return(false);
}
else
{
comPort.Read(ReadBuff, 0, ReturnByte);
if ((ReadBuff[0] != 0x3E) || (ReadBuff[8] != 0x0D))//数据检验失败
{
if (ErrStr.IndexOf("接收数据错误") < 0)
{
ErrStr = ErrStr + DateTime.Now.ToString() + ",StandarBoardInit," + ":初始失败,接收数据错误" + (char)13 + (char)10;
}
return(false);
}
else
{
tmpReadData = Encoding.ASCII.GetString(ReadBuff, 0, ReturnByte);
string[] tmp = tmpReadData.Split(new char[] { '+', '-' });
ReadData = Num.DoubleParse(tmp[1]);
}
isOk = true;
}
}
catch (Exception exc)
{
if (ErrStr.IndexOf(exc.ToString()) < 0)
{
ErrStr = ErrStr + DateTime.Now.ToString() + ",StandarBoardInit," + ":" + exc.ToString() + (char)13 + (char)10;
}
isOk = false;
}
return(isOk);
}
public bool ReadData(ref double[] ReadData)
{
bool isOk = false;
//if (cMain.isDebug)
//{
// for (int i = 0; i < ReadData.Length; i++)
// {
// ReadData[i] = (byte)(20 + i + (byte)(Num.Rand())*10);
// }
// return true;
//}
//if (!c7017IsInit)//没有初始化
//{
// init();
// return false;
//}
string tmpReadData; //收到数据
string WriteBuff = ""; //发送数据
byte[] ReadBuff = new byte[1024]; //接收数据
int ReturnByte = 0; //返回数据
bool IsReturn = false; //是否成功返回
bool IsTimeOut = false; //是否超时
DateTime NowTime = DateTime.Now; //当前时间
TimeSpan ts; //时间差
try
{
if (!comPort.IsOpen)
{
comPort.Open();
}
WriteBuff = string.Format("#{0:D2}\r", c7017Address);
comPort.DiscardInBuffer();
comPort.Write(WriteBuff);
NowTime = DateTime.Now;
do
{
Threading.Thread.Sleep(50);
if (comPort.BytesToRead == 58 || comPort.BytesToRead == 44)//收到数据
{
ReturnByte = comPort.BytesToRead;
IsReturn = true;
}
ts = DateTime.Now - NowTime;
if (ts.TotalMilliseconds > timeOut)//时间超时
{
IsTimeOut = true;
}
} while (!IsReturn && !IsTimeOut);
if (!IsReturn && IsTimeOut)//超时
{
if (ErrStr.IndexOf("接收数据已超时") < 0)
{
ErrStr = ErrStr + DateTime.Now.ToString() + ",StandarBoardInit," + "初始失败,接收数据已超时" + (char)13 + (char)10;
}
return(false);
}
else
{
comPort.Read(ReadBuff, 0, ReturnByte);
if ((ReadBuff[0] != 0x3E))//数据检验失败
{
if (ErrStr.IndexOf("接收数据错误") < 0)
{
ErrStr = ErrStr + DateTime.Now.ToString() + ",StandarBoardInit," + ":初始失败,接收数据错误" + (char)13 + (char)10;
}
return(false);
}
else
{
tmpReadData = Encoding.ASCII.GetString(ReadBuff, 0, ReturnByte).Trim();
if (tmpReadData.StartsWith(">"))
{
tmpReadData = tmpReadData.Substring(1);
}
string[] tmp = tmpReadData.Split(new char[] { '+', '-' }, StringSplitOptions.RemoveEmptyEntries);
int MinIndex = Math.Min(tmp.Length, ReadData.Length);
for (int i = 0; i < MinIndex; i++)
{
ReadData[i] = Num.DoubleParse(tmp[i]);
}
}
isOk = true;
}
}
catch (Exception exc)
{
if (ErrStr.IndexOf(exc.ToString()) < 0)
{
ErrStr = ErrStr + DateTime.Now.ToString() + ",StandarBoardInit," + ":" + exc.ToString() + (char)13 + (char)10;
}
isOk = false;
}
return(isOk);
}
