/// <summary>
/// Learn an infrared command.
/// </summary>
/// <param name="data">New infrared command.</param>
/// <returns>
/// Tells the calling code if the learn was Successful, Failed or Timed Out.
/// </returns>
public LearnStatus Learn(out byte[] data)
{
LearnStatus status = LearnStatus.Failure;
data = null;
if (_deviceType != DeviceType.Tira)
{
throw new ApplicationException("Ira and Ira-2 do not support IR Learn");
}
Disconnect();
Connect(57600);
/*
* if (_learnTimedOut)
* {
* status = LearnStatus.Timeout;
* }
* else if (result)
* {
* data = Encoding.ASCII.GetBytes(irCode.ToString());
*
* status = LearnStatus.Success;
* }
* else
* {
* status = LearnStatus.Failure;
* }
*/
Disconnect();
Connect(9600);
return(status);
}
/// <summary>
/// Chuyển lớp cho học sinh
/// </summary>
/// <param name="ClassID"></param>
/// <param name="Identifier"></param>
/// <returns></returns>
public JsonResult SwitchClass(int ClassID, string Identifier)
{
try
{
// Lấy niên khóa
Configure Configure = db.ConfigRepository.GetAll().Where(e => e.IsActive).FirstOrDefault();
// Nếu chuyển ở năm học hiện tại thì cho phép, còn lại thì không
User student = db.UserRepository.FindByIdentifier(Identifier);
bool IsLearning = db.MemberRepository.GetAll().Any(e => e.LearnStatus == LearnStatus.Learning && e.ConfigureID == Configure.ID && e.UserID == student.ID);
if (!IsLearning)
{
return(Json(new { message = "Học sinh này đã tốt nghiệp", success = false }, JsonRequestBehavior.AllowGet));
}
List <ClassMember> old_member = db.MemberRepository.GetAll().Where(e => e.UserID == student.ID).ToList();
bool CurrentClass = old_member.Any(e => e.ClassID == ClassID && Configure.ID == e.ConfigureID);
//Không cho chuyển trùng lớp đang học
if (CurrentClass)
{
return(Json(new { message = "Bạn chuyển trùng lớp đang học", success = false }, JsonRequestBehavior.AllowGet));
}
LearnStatus status = LearnStatus.Learning;
bool SwitchOldClass = false;
//Bỏ các lớp khác
old_member.ForEach(e =>
{
// Lấy tình trạng học của lớp cũ để đưa sang lớp mới
if (e.LearnStatus == LearnStatus.Learning)
{
status = e.LearnStatus;
//Đánh dấu đã chuyển
e.LearnStatus = LearnStatus.Switched;
}
//Nếu trường hợp chuyển lại lớp cũ..
if (e.LearnStatus == LearnStatus.Switched && e.ClassID == ClassID)
{
e.LearnStatus = LearnStatus.Learning;
SwitchOldClass = true;
}
});
if (!SwitchOldClass)
{
ClassMember new_member = new ClassMember
{
UserID = student.ID,
ClassID = ClassID,
ConfigureID = Configure.ID,
LearnStatus = status,
};
db.MemberRepository.Add(new_member);
}
db.SaveChanges();
return(Json(new { message = "Chuyển lớp thành công!", success = true }, JsonRequestBehavior.AllowGet));
}
catch (Exception e)
{
Response.StatusCode = 500;
return(Json(e.Message, JsonRequestBehavior.AllowGet));
}
}
/// <summary>
/// Learn an IR Command.
/// </summary>
/// <param name="learnTimeout">How long to wait before aborting learn.</param>
/// <param name="learned">Newly learned IR Command.</param>
/// <returns>Learn status.</returns>
public override LearnStatus Learn(int learnTimeout, out IrCode learned)
{
DebugWriteLine("Learn()");
learned = null;
_learningCode = new IrCode();
SetInputPort(InputPort.Learning);
int learnStartTick = Environment.TickCount;
_readThreadMode = ReadThreadMode.Learning;
// Wait for the learning to finish ...
while (_readThreadMode == ReadThreadMode.Learning && Environment.TickCount < learnStartTick + learnTimeout)
{
Thread.Sleep(PacketTimeout);
}
DebugWriteLine("End Learn");
ReadThreadMode modeWas = _readThreadMode;
_readThreadMode = ReadThreadMode.Receiving;
SetInputPort(InputPort.Receive);
LearnStatus status = LearnStatus.Failure;
switch (modeWas)
{
case ReadThreadMode.Learning:
status = LearnStatus.Timeout;
break;
case ReadThreadMode.LearningFailed:
status = LearnStatus.Failure;
break;
case ReadThreadMode.LearningDone:
DebugDump(_learningCode.TimingData);
if (_learningCode.FinalizeData())
{
learned = _learningCode;
status = LearnStatus.Success;
}
break;
}
_learningCode = null;
return(status);
}
/// <summary>
/// Learn an infrared command.
/// </summary>
/// <param name="data">New infrared command.</param>
/// <returns>
/// Tells the calling code if the learn was Successful, Failed or Timed Out.
/// </returns>
public LearnStatus Learn(out byte[] data)
{
IrCode code;
LearnStatus status = _driver.Learn(_config.LearnTimeout, out code);
if (code != null)
{
data = code.ToByteArray();
}
else
{
data = null;
}
return(status);
}
internal LearnResult(LearnStatus status, IRCode code)
{
Status = status;
Code = code;
}
