private void DisconnectFromDevice()
{
if (IsUserWantToSaveDeviceConfiguration())
{
OperationTask nextDisconnectTask = new OperationTask
{
OperationToExecute = WorkerTasks.Disconnect,
OperationArgument = null
};
OperationTask writeTask = new OperationTask
{
OperationToExecute = WorkerTasks.Writing,
OperationArgument = nextDisconnectTask
};
ChannelReady = false;
_worker.RunWorkerAsync(writeTask);
return;
}
ReaderSaver.DisconnectFromDevice();
СonnectionStatus = "Отключено";
OperationStatus = "";
PortIsOpen = false;
IsConfigurationLoaded = false;
_deviceSnapshotBefore = null;
}
private void worker_WorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
ChannelReady = true;
if (e.Error != null)
{
OperationStatus = e.Error.Message;
}
else
{
if (((OperationResult)e.Result).OperationExecuted == WorkerTasks.Reading)
{
if (((OperationResult)e.Result).OperationResultMessage.IndexOf("успешно") >= 0)
{
IsConfigurationLoaded = true;
}
Device.SlaveAddress = ReaderSaver.SlaveAddress;
//seialize loaded config for "is dirty" pattern
DeviceConfigurationChanged = false;
UpdateAllChildViewModelsProperties();
}
OperationStatus = ((OperationResult)e.Result).OperationResultMessage;
ProgressPercentage = 0;
if (((OperationResult)e.Result).OperationExecuted == WorkerTasks.Writing)
{
DeviceConfigurationChanged = false;
if (((OperationResult)e.Result).NextTask != null &&
((OperationResult)e.Result).NextTask.OperationToExecute == WorkerTasks.Connect)
{
ConnectToDevice();
return;
}
}
if (((OperationResult)e.Result).NextTask != null)
{
if (((OperationResult)e.Result).NextTask.OperationToExecute == WorkerTasks.Disconnect)
{
ReaderSaver.DisconnectFromDevice();
СonnectionStatus = "Отключено";
OperationStatus = "";
PortIsOpen = false;
IsConfigurationLoaded = false;
_deviceSnapshotBefore = null;
return;
}
ChannelReady = false;
_worker.RunWorkerAsync(((OperationResult)e.Result).NextTask);
}
}
}
private void ConnectToDevice()
{
if (IsUserWantToSaveDeviceConfiguration())
{
OperationTask nextConnectTask = new OperationTask
{
OperationToExecute = WorkerTasks.Connect,
OperationArgument = null
};
OperationTask writeTask = new OperationTask
{
OperationToExecute = WorkerTasks.Writing,
OperationArgument = nextConnectTask
};
ChannelReady = false;
_worker.RunWorkerAsync(writeTask);
return;
}
try
{
OperationStatus = "Подключение...";
ReaderSaver.ConnectToDevice(true);
}
catch (Exception exception)
{
MessageBox.Show("Ошибка подключения:" + exception.Message,
Constants.messageBoxTitle, MessageBoxButton.OK, MessageBoxImage.Exclamation);
return;
}
/*OperationTask task = new OperationTask
* {
* OperationToExecute = WorkerTasks.SetSlaveMode,
* OperationArgument = null
* };*/
OperationTask task = new OperationTask
{
OperationToExecute = WorkerTasks.Reading,
OperationArgument = null
};
ChannelReady = false;
_worker.RunWorkerAsync(task);
}
private void ConnectOnPort()
{
SerialPortSettingsView serialPortSettingsView = new SerialPortSettingsView
{
Owner = _parentWindow,
DataContext = _serialPortSettingsViewModel,
MainStackPannel = { Background = _parentWindow.DefaultBackgroundBrush }
};
if (serialPortSettingsView.ShowDialog() == false)
{
return;
}
if (!_serialPortSettingsViewModel.IsConnected)
{
return;
}
ReaderSaver.Port = _serialPortSettingsViewModel.Port;
try
{
if (!ReaderSaver.Port.IsOpen)
{
ReaderSaver.Port.Open();
}
}
catch (Exception exception)
{
MessageBox.Show("Ошибка подключения:" + exception.Message, Constants.messageBoxTitle,
MessageBoxButton.OK, MessageBoxImage.Exclamation);
СonnectionStatus = "Отключено";
}
СonnectionStatus = "Подключено: " + ReaderSaver.GetConnectionParametersString();
PortIsOpen = true;
}
private void worker_DoWork_InteractWithDevice(object sender, DoWorkEventArgs e)
{
var worker = (BackgroundWorker)sender;
var operationResult = new OperationResult();
string mainOperation = "";
string operation = "";
var operationTask = (OperationTask)e.Argument;
switch (operationTask.OperationToExecute)
{
case WorkerTasks.Reading:
mainOperation = "Операция чтения";
break;
case WorkerTasks.Writing:
mainOperation = "Операция записи";
break;
case WorkerTasks.ExecutingCommand:
mainOperation = "Выполнение команды";
break;
/*case WorkerTasks.SetSlaveMode:
* mainOperation = "Перевод устройства в режим";
* break;*/
}
if (operationTask.OperationToExecute == WorkerTasks.Reading ||
operationTask.OperationToExecute == WorkerTasks.Writing /*||
* operationTask.OperationToExecute == WorkerTasks.SetSlaveMode*/)
{
mainOperation += " конфигурации";
OperationStatus = mainOperation + "...";
}
else
{
OperationStatus = mainOperation + "...";
}
//always set SLAVE mode before any operation
OperationStatus = operation + "Перевод устройства в режим конфигурирования...";
PO3SlaveModeSetter setter = new PO3SlaveModeSetter(ReaderSaver.Port);
while (true)
{
bool retVal = false;
for (int i = 0; i < 3; i++)//3 attempts
{
retVal = setter.SetSlaveMode();
if (retVal)
{
break;
}
}
if (!retVal)
{
if (MessageBox.Show(
"Не удалось перевести устройство в режим конфигурирования!\r\nПовторить попытку?",
Constants.messageBoxTitle, MessageBoxButton.YesNo, MessageBoxImage.Question)
== MessageBoxResult.No)
{
operationResult.OperationResultMessage = "Готов";
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
return;
}
}
else
{
break;
}
}
if (setter.DetectedSlaveAddress != 0)
{
ReaderSaver.SlaveAddress = setter.DetectedSlaveAddress;
}
/*if (operationTask.OperationToExecute == WorkerTasks.SetSlaveMode)
* {
* PO3SlaveModeSetter setter = new PO3SlaveModeSetter(ReaderSaver.Port);
* while (true)
* {
* bool retVal = false;
* for (int i = 0; i < 3; i++)//3 attempts
* {
* retVal = setter.SetSlaveMode();
* if (retVal)
* break;
* }
*
* if (!retVal)
* {
* if (MessageBox.Show(
* "Не удалось перевести устройство в режим конфигурирования!\r\nПовторить попытку?",
* Constants.messageBoxTitle, MessageBoxButton.YesNo, MessageBoxImage.Question)
* == MessageBoxResult.No)
* {
* operationResult.OperationResultMessage = "Готов";
* operationResult.OperationExecuted = operationTask.OperationToExecute;
* e.Result = operationResult;
* return;
* }
* }
* else
* break;
* }
* if (setter.DetectedSlaveAddress != 0)
* ReaderSaver.SlaveAddress = setter.DetectedSlaveAddress;
*
* operationResult.OperationResultMessage = mainOperation + " - успешно";
* operationResult.OperationExecuted = operationTask.OperationToExecute;
* operationResult.NextTask = new OperationTask();
* operationResult.NextTask.OperationToExecute = WorkerTasks.Reading;
* operationResult.NextTask.OperationArgument = null;
* e.Result = operationResult;
* return;
* }*/
int percentComplete;
string returnedCode;
if (operationTask.OperationToExecute == WorkerTasks.ExecutingCommand)
{
percentComplete = 50;
returnedCode = ReaderSaver.ExecuteDeviceCommand((DeviceControlCommands)operationTask.OperationArgument);
worker.ReportProgress(percentComplete, null);
if (returnedCode != "OK")
{
operationResult.OperationResultMessage = mainOperation + " завершено с ошибкой: " + returnedCode;
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
return;
}
if (((DeviceControlCommands)operationTask.OperationArgument) != DeviceControlCommands.SetMasterMode) //all commands except SetMasterMode
{
//setting up MASTER mode after each operation
percentComplete = 100;
operation = "Перевод устройства в режим MASTER";
OperationStatus = operation + "...";
int commandsCount = 0;
while (true)
{
returnedCode = ReaderSaver.ExecuteDeviceCommand(DeviceControlCommands.SetMasterMode);
worker.ReportProgress(percentComplete, null);
if (((DeviceControlCommands)operationTask.OperationArgument) != DeviceControlCommands.Test) //all commands except Test & SetMasterMode
{
if (returnedCode != "OK")
{
operationResult.OperationResultMessage = operation + " завершен с ошибкой: " + returnedCode;
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
return;
}
break;
}
else//Test command
{
if (returnedCode == "OK")
{
break;
}
commandsCount++;
if (commandsCount > 13)
{
if (MessageBox.Show(
"Не удалось перевести устройство в режим MASTER!\r\nПовторить попытку?",
Constants.messageBoxTitle, MessageBoxButton.YesNo, MessageBoxImage.Question)
== MessageBoxResult.No)
{
operationResult.OperationResultMessage = operation + " завершен с ошибкой: " + returnedCode;
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
return;
}
commandsCount = 0;
continue;
}
Thread.Sleep(1000);
}
}
}
}
if (operationTask.OperationToExecute == WorkerTasks.Reading ||
operationTask.OperationToExecute == WorkerTasks.Writing)
{
if (operationTask.OperationToExecute == WorkerTasks.Writing)//reset PO-3 before writing config
{
percentComplete = 1 * 100 / (Device.PO3DeviceAsUnits.Count + 2);
operation = "Cброс перед записью конфигурации";
OperationStatus = operation + "...";
returnedCode = ReaderSaver.ExecuteDeviceCommand(DeviceControlCommands.Reset);
worker.ReportProgress(percentComplete, null);
if (returnedCode != "OK")
{
operationResult.OperationResultMessage = operation + " завершен с ошибкой: " + returnedCode;
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
return;
}
Thread.Sleep(1500);
}
OperationStatus = mainOperation + "...";
int step = 0;
foreach (var unit in Device.PO3DeviceAsUnits)
{
if (worker.CancellationPending)
{
e.Cancel = true;
break;
}
step++;
percentComplete = (step * 100 / (Device.PO3DeviceAsUnits.Count + 2));
returnedCode = (operationTask.OperationToExecute == WorkerTasks.Reading)
? ReaderSaver.ReadUnitData(unit)
: ReaderSaver.WriteUnitData(unit);
worker.ReportProgress(percentComplete, null);
if (returnedCode != "OK")
{
operationResult.OperationResultMessage = mainOperation + " завершена с ошибкой: " + returnedCode;
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
return;
}
}
/*if (operationTask.OperationToExecute == WorkerTasks.Writing)//reset PO-3 after writing config - уже не надо
* {
* percentComplete = 100;
* operation = "Cброс после записи конфигурации";
* OperationStatus = operation + "...";
*
* returnedCode = ReaderSaver.ExecuteDeviceCommand(DeviceControlCommands.Reset);
*
* Thread.Sleep(1500);
*
* worker.ReportProgress(percentComplete, null);
* if (returnedCode != "OK")
* {
* operationResult.OperationResultMessage = operation + " завершен с ошибкой: " + returnedCode;
* operationResult.OperationExecuted = operationTask.OperationToExecute;
* e.Result = operationResult;
* return;
* }
* }*/
//setting up MASTER mode after each operation
percentComplete = 100;
operation = "Перевод устройства в режим MASTER";
OperationStatus = operation + "...";
returnedCode = ReaderSaver.ExecuteDeviceCommand(DeviceControlCommands.SetMasterMode);
worker.ReportProgress(percentComplete, null);
if (returnedCode != "OK")
{
operationResult.OperationResultMessage = operation + " завершен с ошибкой: " + returnedCode;
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
return;
}
if (operationTask.OperationToExecute == WorkerTasks.Writing)//reconnect with new PO3DeviceUnitCommunicationSettings
{
СonnectionStatus = "Переподключение...";
ReaderSaver.Port.Close();
PortIsOpen = false;
try
{
switch (Device.DeviceUnitCommunicationSettings.DeviceBaudRate)
{
case 0:
ReaderSaver.Port.BaudRate = 2400;
break;
case 1:
ReaderSaver.Port.BaudRate = 4800;
break;
case 2:
ReaderSaver.Port.BaudRate = 9600;
break;
case 3:
ReaderSaver.Port.BaudRate = 14400;
break;
case 4:
ReaderSaver.Port.BaudRate = 19200;
break;
}
switch (Device.DeviceUnitCommunicationSettings.DeviceParity)
{
case 0:
ReaderSaver.Port.Parity = Parity.None;
break;
case 2:
ReaderSaver.Port.Parity = Parity.Odd;
break;
case 3:
ReaderSaver.Port.Parity = Parity.Even;
break;
}
switch (Device.DeviceUnitCommunicationSettings.DeviceStopBits)
{
case 0:
ReaderSaver.Port.StopBits = StopBits.One;
break;
case 1:
ReaderSaver.Port.StopBits = StopBits.Two;
break;
}
ReaderSaver.SlaveAddress = (byte)Device.DeviceUnitCommunicationSettings.DeviceAddress;
ReaderSaver.ConnectToDevice(true);
}
catch (Exception exception)
{
MessageBox.Show("Ошибка подключения:" + exception.Message, Constants.messageBoxTitle,
MessageBoxButton.OK, MessageBoxImage.Exclamation);
СonnectionStatus = "Отключено";
}
СonnectionStatus = "Подключено: " + ReaderSaver.GetConnectionParametersString();
PortIsOpen = true;
}
if (operationTask.OperationArgument != null &&
operationTask.OperationToExecute == WorkerTasks.Writing)
{
operationResult.NextTask = (OperationTask)(operationTask.OperationArgument);
}
}
operationResult.OperationResultMessage = mainOperation + " - успешно";
operationResult.OperationExecuted = operationTask.OperationToExecute;
e.Result = operationResult;
}
