protected InventoryInfo HandleInventoryFrame(byte[] frame)
{
InventoryInfo info = new InventoryInfo(frame);
ReturnMessage returnCode = CheckFrame(info);
if (returnCode != ReturnMessage.Success)
{
info.ReturnValue = returnCode;
return(info);
}
info.DSFID = frame[3]; //拷贝 DSFID
Array.Copy(frame, 4, info.UID, 0, 8); //拷贝UID
info.ReturnValue = ReturnMessage.Success;
return(info);
}
/// <summary>
/// 带AFI的Inventory。
/// AFI相符的电子标签才能响应，但只是返回一张电子标签的UID，并让这张电子标签进入Quiet状态
/// </summary>
/// <param name="afi">类型识别码</param>
/// <returns></returns>
public async Task <InventoryInfo> InventoryWithAFIAsync(byte afi)
{
byte[] frame = CreateInventoryWithAFIFrame(afi);
CommunicationReturnInfo cri = await com.SendAsync(frame);
if (cri.ReturnValue != ReturnMessage.Success)
{
InventoryInfo ii = new InventoryInfo();
ii.SendByte = frame;
ii.ReturnValue = cri.ReturnValue;
ii.ExceptionMessage = cri.ExceptionMessage;
return(ii);
}
InventoryInfo info = HandleInventoryFrame(cri.RecvByte);
info.SendByte = frame;
return(info);
}