/// <summary>
/// 上位机执行该命令以获得电子标签的详细信息，这其中包括Information Flag，UID，DSFID，AFI，Memory，IC reference的信息。
/// </summary>
/// <returns></returns>
public async Task <GetSystemInformationInfo> GetSystemInformationAsync()
{
byte[] frame = CreateGetSystemInformationFrame();
CommunicationReturnInfo cri = await com.SendAsync(frame);
if (cri.ReturnValue != ReturnMessage.Success)
{
GetSystemInformationInfo gii = new GetSystemInformationInfo();
gii.SendByte = frame;
gii.ReturnValue = cri.ReturnValue;
gii.ExceptionMessage = cri.ExceptionMessage;
return(gii);
}
GetSystemInformationInfo info = HandleGetSystemInformationFrame(cri.RecvByte);
info.SendByte = frame;
return(info);
}
protected GetSystemInformationInfo HandleGetSystemInformationFrame(byte[] frame)
{
GetSystemInformationInfo info = new GetSystemInformationInfo(frame);
ReturnMessage returnCode = CheckFrame(info);
if (returnCode != ReturnMessage.Success)
{
info.ReturnValue = returnCode;
return(info);
}
info.InformationFlag = frame[3];
Array.Copy(frame, 4, info.UID, 0, 8); //拷贝UID
info.DSFID = frame[12]; //拷贝 DSFID
info.AFI = frame[13];
Array.Copy(frame, 14, info.MemorySize, 0, 2);
info.ICReference = frame[16];
info.ReturnValue = ReturnMessage.Success;
return(info);
}
