public string ReadBarcode()
{
lock (this.lockObj)
{
try
{
string reStr = "";
string barCode = "";
int reworkNum = 0;
this.recBuffer.Clear();
byte[] readCodeCmd = null;
bool readCodeCmdStatus = sr750Dev.ReadCodeCmd(ref readCodeCmd);
if (readCodeCmdStatus == false)
{
return(string.Empty);
}
this.recvAutoEvent.Reset();
if (this.mySocket.Send(readCodeCmd, ref reStr) == false)
{
ShowLog("发送读取条码命令失败！");
}
ShowLog("发送读取条码命令：" + DataConvert.ByteToHexStr(readCodeCmd));
if (this.recvAutoEvent.WaitOne(TIMEWAITOUT) == true)
{
while (reworkNum < MAXREWORKNUM)
{
if (this.sr750Dev.ReadCodeCmdReponse(this.recBuffer.ToArray(), ref barCode, ref reStr) == false)
{
reworkNum++;
ShowLog("接收条码数据数据：" + DataConvert.AsciiBytesToHex(this.recBuffer.ToArray()));
System.Threading.Thread.Sleep(WAITTIME);
}
else
{
break;
}
}
if (reworkNum >= MAXREWORKNUM)
{
ShowLog("接收条码数据数据错误！");
return(string.Empty);
}
CloseScan();
return(barCode);
}
else
{
CloseScan();
reStr = "接收条码数据超时！";
return(string.Empty);
}
}
catch
{
CloseScan();
return(string.Empty);
}
}
}
public bool StopReadCodeCmdResponse(byte[] recBytes, ref string reStr)
{
string recStr = DataConvert.AsciiBytesToHex(recBytes).ToUpper();
if (recStr != ERROR)
{
return(false);
}
return(true);
}
public bool ReadCodeCmdReponse(byte[] recBytes, ref string barcode, ref string reStr)
{
barcode = DataConvert.AsciiBytesToHex(recBytes).Trim();
//if (barcode.Length < PROLENTH)
//{
// reStr = "接收数据协议长度错误！";
// return false;
//}
barcode = barcode.Substring(0, PROLENTH);
return(true);
}