private void ReadBarcode()
{
byte[] ReceiveBuf;
byte[] CountBuf;
ReceiveBuf = new byte[128];
CountBuf = new byte[1];
while (true)
{
if (paused)
{
resumeEvent.WaitOne();
paused = false;
}
int uiState = Se955.Se955GetDecodeData(ReceiveBuf, CountBuf);
if (uiState == 52 /*RECEIVE_SUCCESS*/)
{
strDisp = "";
Buzzer.BeepOK();
int count = CountBuf[0];
for (int i = 0; i < count; i++)
{
strDisp += (char)ReceiveBuf[i];
}
Pause();
}
Thread.Sleep(2);
}
}
private void Scan_Closed(object sender, EventArgs e)
{
Se955.Se955SerialTerminate();
if (readThread != null)
{
readThread.Abort();
}
}
private void Scan_KeyUp(object sender, KeyEventArgs e)
{
if (e.KeyData == Keys.F20)
{
int ret = Se955.Se955DecodeState(false);
if (ret != 47 /*SUCCESS_SETTING*/ && ret != 55 /*ACK_FAILED*/)
{
string str = "";
if (ret == 53 /*DATA_ERR_SELECT*/)
{
str = "发送数据错误";
}
MessageBox.Show(str);
bnExit_Click(null, null);
}
resumeEvent.Set();
State = false;
}
}
public Scan()
{
InitializeComponent();
if (Se955.Se955SerialInit(4 /*com2*/, 0x06 /*B_RATE9600*/, 0x01 /*STOP_BITONE*/, 0x04 /*DAT_NONE*/) != 50 /*INIT_OK*/)
{
MessageBox.Show("启动通信失败");
//bnExit_Click(null, null);
}
resumeEvent = new ManualResetEvent(false);
resumeEvent.Reset();
paused = true;
readThread = new Thread(new ThreadStart(ReadBarcode));
readThread.Start();
//Pause();
ExePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase);
bmp_up = new Bitmap(ExePath + @"\up-ReadBarcode.bmp");
bmp_down = new Bitmap(ExePath + @"\down-ReadBarcode.bmp");
KeyPreview = true;
}