protected AnticollInfo HandleAnticollFrame(byte[] frame)
{
AnticollInfo info = new AnticollInfo(frame);
ReturnMessage returnCode = CheckFrame(info);
if (returnCode != ReturnMessage.Success)
{
info.ReturnValue = returnCode;
return(info);
}
Array.Copy(frame, 3, info.UID, 0, 4); //拷贝返回的 UID
info.ReturnValue = ReturnMessage.Success;
return(info);
}
/// <summary>
/// 防冲突操作，必须在Request命令后立即执行。如果事先知道所需要
/// 操作的电子标签的序列号，可以越过此调用，在Request命令后直接
/// 调用Select 即可。
/// </summary>
/// <param name="ml">
/// ml=MultiLable.AllowOne 不允许多张电子标签进入感应场
/// m1=MultiLable.AllowMulti 允许多张电子标签进入感应场
/// </param>
/// <returns></returns>
public async Task <AnticollInfo> Anticoll2Async(MultiLable ml)
{
byte[] frame = CreateAnticoll2Frame(ml);
CommunicationReturnInfo cri = await com.SendAsync(frame);
if (cri.ReturnValue != ReturnMessage.Success)
{
AnticollInfo ai = new AnticollInfo();
ai.SendByte = frame;
ai.ReturnValue = cri.ReturnValue;
ai.ExceptionMessage = cri.ExceptionMessage;
return(ai);
}
AnticollInfo info = HandleAnticollFrame(cri.RecvByte);
info.SendByte = frame;
return(info);
}