/// <summary>
/// 条形码事件委托
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">事件内容</param>
void BarCodeDelegate(object sender, BarCodeEventArgs e)
{
if (BarCodeHandle != null)
{
BarCodeHandle(sender, e);
}
}
/// <summary>
/// 一维码事件回调
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void OnBarCode(object sender, BarCodeEventArgs e)
{
// 1.非有效条码信息，回调图像数据
// 2.条码数量大于1
if (e.Result.Code == string.Empty)
{
if (BarCodeHandle != null)
{
BarCodeHandle(this, e);
}
return;
}
if (Interlocked.Read(ref _bBarCodeNotifyFlag) == 1)
{
return;
}
// 判断是否为重复条码数据
if (_BarcodeCache.IsIn(e.Result.Code))
{
BarcodeSustaining.Stop();
long t = BarcodeSustaining.ElapsedMilliseconds;
if (t <= MvBarCode.MvBarCodeGlobalVar.BarcodeValidTime)
{
BarcodeSustaining.Start();
return;
}
}
BarcodeSustaining.Reset();
BarcodeSustaining.Start();
// 条码事件，直接回调
if (BarCodeHandle != null)
{
//MvBarCode.MvBarCodeGlobalVar.Log.InfoFormat("DeviceLayer读取到条码：{0}",e.Result.Code);
//读条形码
BarCodeHandle(this, e);
}
// 记录条码数据信息
if (Interlocked.CompareExchange(ref _bBarCodeNotifyFlag, 1, 0) == 0)
{
// 添加条码到缓冲中
_BarcodeCache.Push(e.Result.Code);
// 记录绑定标识
Interlocked.Exchange(ref _bBinding, 1);
// 记录一维码信息
_BarCodeInfo = e.Result;
// 检测到一维码后开始获取称数据
if (_Scale != null)
{
_Scale.AsyncPost(e.Result.Code);
// 启动重量检测超时定时器
}
else
{
Interlocked.CompareExchange(ref _bBarCodeNotifyFlag, 0, 1);
}
}
}