bool _SendATCommand(ATCommand atCommand)
{
lock (_lockSendATCommand)
{
currentATCommandStatus = StatusATCommand.Wait;
currentATCommandResponse = ATResponse.UNKNOWN;
expectedATCommandResponse = atCommand.ExpectedATResponse;
int TimesToRepeat = atCommand.TimesToRepeat;
bool result = false;
while (IsOpen && TimesToRepeat-- > 0)
{
COMPort.Write(atCommand.ATRequest, atCommand.LineBreak);
RiseEvent(this, new SendMessageEventArgs(EventType.Tx, MessageType.AT, "send at-command", atCommand));
//Ожидаем ответа
//ожидаем таймаута или события о получении верного ответа из метода Event_Note (выше)
waitForATCommandResponse.Reset();
waitForATCommandResponse.WaitOne(atCommand.WaitForResponse);
if (currentATCommandStatus == StatusATCommand.Done)
{
result = true;
break;
}
else if (currentATCommandStatus == StatusATCommand.Abort)
{
result = false;
break;
}
if (atCommand.DelayBetweenRepeats.TotalMilliseconds > 0)
{
//пауза между повторной отправкой команды
waitForATCommandResponse.Reset();
waitForATCommandResponse.WaitOne(atCommand.DelayBetweenRepeats);
if (currentATCommandStatus == StatusATCommand.Done)
{
result = true;
break;
}
else if (currentATCommandStatus == StatusATCommand.Abort)
{
result = false;
break;
}
}
}
//обнуляем все регистры
expectedATCommandResponse = ATResponse.UNKNOWN;
currentATCommandResponse = ATResponse.UNKNOWN;
currentATCommandStatus = StatusATCommand.None;
return(result);
}
}
bool Open()
{
try
{
COMPort.Open();
Init(true);
RiseEvent(this, new SendMessageEventArgs(EventType.Sys, MessageType.Note, "port opened"));
return(true);
}
catch (Exception ex)
{
RiseEvent(this, new SendMessageEventArgs(EventType.Sys, MessageType.Error, "failed to open the port", ex));
return(false);
}
}
bool Close()
{
try
{
//stop task open port
if (!cancellationTokenOpenAsync)
{
cancellationTokenOpenAsync = true;
}
lock (lockOpenClose)
{
COMPort.Close();
}
RiseEvent(this, new SendMessageEventArgs(EventType.Sys, MessageType.Note, "port closed"));
return(true);
}
catch (Exception ex)
{
RiseEvent(this, new SendMessageEventArgs(EventType.Sys, MessageType.Error, "failed to close the port", ex));
return(false);
}
}
private void GSMModem_OnDataReceived(object sender, DataEventArgs e)
{
if (e is DataEventArgs)
{
byte[] data = (e as DataEventArgs).GetData();
IEnumerable <byte[]> ReceiveBytes = COMPort.BytesSplit(data, (byte)'\r', (byte)'\n');
foreach (byte[] Bytes in ReceiveBytes)
{
ReceiveData receiveData = RecognizeIncomingData(Bytes);
if (receiveData is ReceiveATResponse)
{
currentATCommandResponse = (receiveData as ReceiveATResponse).ATResponse;
if (currentATCommandResponse != ATResponse.UNKNOWN && currentATCommandResponse == expectedATCommandResponse)
{
StopATCommand(true);
}
if (currentATCommandResponse == ATResponse.NO_ANSWER ||
currentATCommandResponse == ATResponse.NO_CARRIER ||
currentATCommandResponse == ATResponse.ERROR ||
currentATCommandResponse == ATResponse.BUSY ||
currentATCommandResponse == ATResponse.NO_DIALTONE)
{
StopATCommand(false);
}
RiseEvent(this, new SendMessageEventArgs(EventType.Rx, MessageType.AT, "incoming at-command", (receiveData as ReceiveATResponse).ATResponse));
}
else if (receiveData is ReceiveData)
{
RiseEvent(this, new SendMessageEventArgs(EventType.Rx, MessageType.Data, "other data", receiveData.String));
}
}
}
}
