protected InventoryScanInfo HandleInventoryScanFrame(byte[] frame)
{
InventoryScanInfo info = new InventoryScanInfo(frame);
ReturnMessage returnCode = CheckFrame(info);
if (returnCode != ReturnMessage.Success)
{
info.ReturnValue = returnCode;
return(info);
}
int len = frame.Length - 5;
byte[] cardData = new byte[len];
Array.Copy(frame, 3, cardData, 0, len);
List <InventoryScanInfo.CardInfo> cardSet = info.CardSet;
int index = 0;
while (index < len)
{
InventoryScanInfo.CardInfo cardInfo = new InventoryScanInfo.CardInfo();
cardInfo.DSFID = cardData[index++]; //拷贝 DSFID
Array.Copy(cardData, index, cardInfo.UID, 0, 8);
index += 8;
cardSet.Add(cardInfo);
}
info.ReturnValue = ReturnMessage.Success;
return(info);
}
/// <summary>
/// 不带AFI的Inventory-scan。
/// 新询查命令：在运行询查命令前，读写器会自动运行“Close RF”和“Open RF”。
/// 这样，处于感应场内的符合协议的所有电子标签均能响应，读写器会把在
/// InventoryScanTime溢出前得到的UID全部返回。
/// 继续询查命令：读写器不会对感应场进行操作，只有新进入感应场的电子标签或
/// 前面的询查命令没有得到UID的电子标签才会响应，读写器会把在
/// InventoryScanTime溢出前得到的UID返回
/// </summary>
/// <param name="mode">0x06：新询查命令，0x02：继续询查命令</param>
/// <returns></returns>
public async Task <InventoryScanInfo> InventoryScanWithoutAFIAsync(InventoryScanWithoutAFIMode mode)
{
byte[] frame = CreateInventoryScanWithoutAFIFrame(mode);
CommunicationReturnInfo cri = await com.SendAsync(frame);
if (cri.ReturnValue != ReturnMessage.Success)
{
InventoryScanInfo isi = new InventoryScanInfo();
isi.SendByte = frame;
isi.ReturnValue = cri.ReturnValue;
isi.ExceptionMessage = cri.ExceptionMessage;
return(isi);
}
InventoryScanInfo info = HandleInventoryScanFrame(cri.RecvByte);
info.SendByte = frame;
return(info);
}
