internal PacketAnswerFileInfo(PacketAnswer answer, string name)
{
if (!Init((UInt16)CommandType.File_GetFileInfo, answer))
{
throw WrongTypeException;
}
FI = new SdCardDirectoryFileInfo()
{
FileDirectorySize = BitConverter.ToInt32(answer.Data, 0),
CreationTime = new DateTime(
HelpMethods.GetNumber(answer.Data[9], answer.Data[10]),
answer.Data[8],
answer.Data[7],
answer.Data[4],
answer.Data[5],
answer.Data[6]
),
IsHidden = answer.Data[11] == 1,
IsLFN = answer.Data[12] == 1,
IsReadOnly = answer.Data[13] == 1,
IsSystem = answer.Data[14] == 1,
IsDirectory = answer.Data[15] == 1,
Name = name
};
}
public PacketAnswer(Packet base_, bool ignoreValidation)
{
if (base_.IsEmpty)
{
IsEmpty = true; return;
}
;
if (base_.Data == null || base_.Data.Length < 4)
{
IsEmpty = true; return;
}
;
Command = HelpMethods.GetNumber(base_.Data[0], base_.Data[1]);
Status = (AnswerStatus)base_.Data[2];
DataType = ((AnswerDataType)base_.Data[3]);
Sender = base_.Sender;
if (DataType == AnswerDataType.CODE)
{
Code = base_.Data[4];
}
else if (DataType == AnswerDataType.DATA)
{
Data = base_.Data.ToList().GetRange(4, base_.Data.Length - 4).ToArray();
}
if (!ignoreValidation && Status == AnswerStatus.ValidationError)
{
throw new SecurityException("Необходимо провести валидацию с устройством");
}
}
private byte[] ReadAsync()
{
var lowLenByte = (byte)Port.ReadByte();
var highLenByte = (byte)Port.ReadByte();
var Length = HelpMethods.GetNumber(lowLenByte, highLenByte) - 255;
var buffer = new byte[Length];
buffer[0] = lowLenByte;
buffer[1] = highLenByte;
for (int i = 0; i <= Length - 3; i++)
{
buffer[i + 2] = (byte)Port.ReadByte();
}
Port.ReadExisting();
return(buffer);
}
public static Packet ParsePacket(byte[] data, int len)
{
try
{
var a = new Packet()
{
TotalData = data
};
var command = (UInt16)HelpMethods.GetNumber(data[2], data[3]);
var sender = new Sender(SenderType.UnNamedByteMask);
var sendertype = (SenderType)data[4];
sender.Type = sendertype;
Buffer.BlockCopy(data, 5, sender.Mask, 0, 7);
if (sendertype == SenderType.SevenByteName)
{
sender.Name = Encoding.Default.GetString(sender.Mask);
}
a.Sender = sender;
a.Size = (short)len;
a.Command = command;
a.Data = new byte[len - 14];
Buffer.BlockCopy(data, 12, a.Data, 0, len - 14);
CrCHandler crc = new CrCHandler();
a.Crc = new byte[2] {
data[data.Length - 2], data[data.Length - 1]
};
var newCrc = crc.ComputeChecksumBytes(a.Data);
if (a.Crc[0] != newCrc[0] || a.Crc[1] != newCrc[1])
{
throw new WrongPacketInputException(a, new Tuple <byte, byte>(newCrc[0], newCrc[1]), new Tuple <byte, byte>(a.Crc[0], a.Crc[1]));
}
return(a);
}
catch (Exception e)
{
throw new WrongPacketInputException(e);
}
}
public DateTimeRequestResult Device_GetTime()
{
var res = new DateTime();
var result = GetResult((UInt16)CommandType.GetDateTime);
if (result.IsEmpty)
{
return(new DateTimeRequestResult());
}
res = new DateTime(
HelpMethods.GetNumber(result.Data[5], result.Data[6]),
result.Data[4],
result.Data[3],
result.Data[0],
result.Data[1],
result.Data[2]
);
return(new DateTimeRequestResult()
{
Success = true,
Time = res
});
}