private static byte[] read(byte[] address, int length)
{
try
{
if (length % 16 != 0 || !set_data_key())
{
return(new byte[0]);
}
while (Reading)
{
Thread.Sleep(ThreadSleepDuration);
}
Reading = true;
byte[] ret = new byte[length];
Command_Error result = Read_Secure_Memory(address, ret, length);
Reading = false;
return(result == Command_Error.OK ? ret : new byte[0]);
}
catch (Exception ex)
{
string strEx = ex.ToString();
Reading = false;
return(new byte[0]);
}
}
private static bool _connect(bool checkLastTime)
{
while (Connecting)
{
Thread.Sleep(ThreadSleepDuration);
}
try
{
Connecting = true;
init_login();
if (string.IsNullOrEmpty(Username) || string.IsNullOrEmpty(Password) ||
Username.ToLower() == "factory" || Username.ToLower() == "admin")
{
return(Connecting = false);
}
else if (checkLastTime && LastTimeConnected.HasValue && LastTimeConnected.Value > DateTime.Now.AddMinutes(-5))
{
return(!(Connecting = false));
}
Command_Error result = Connect_To_Device(Username, Password, (byte)Username.Length, (byte)Password.Length);
Connecting = false;
if (result == Command_Error.OK)
{
LastTimeConnected = DateTime.Now;
return(true);
}
else
{
return(false);
}
}
catch
{
Connecting = false;
return(false);
}
}
