public async Task <string> CommandGetVariable(string propertyName)
{
if (_UARTService == null || !_UARTService.IsDeviceReady)
{
return(string.Empty);
}
//Generate package
DataPacket packetToSend = new GetPropertyDataPacket(propertyName);
//Timeout handling
TaskCompletionSource <DataPacket> signalEventPoke = new TaskCompletionSource <DataPacket>();
UARTPacketEventHandler handler = null;
handler += (sender, e) =>
{
if (e.ResponsePacket.MessageId == packetToSend.MessageId)
{
signalEventPoke.SetResult(e.ResponsePacket);
_UARTService.UARTPacketReceived -= handler;
}
};
_UARTService.UARTPacketReceived += handler;
if (await _UARTService.SendPacket(packetToSend))
{
SendPropertyDataPacket reception = await TimeoutAsyncEvent.TimeoutAfter(signalEventPoke.Task, TIMEOUT_UART_ANSWER) as SendPropertyDataPacket;
_UARTService.UARTPacketReceived -= handler;
if (reception != null)
{
await CommandConfirmVariable(reception.MessageId, reception.PropertyName);
}
return(reception?.PropertyValue);
}
else
{
//TODO LOG Log.Error("PokeAliveCommand failed.");
_UARTService.UARTPacketReceived -= handler;
}
return(string.Empty);
}
public async Task <bool> CommandLaunchAction(string actionName, string parametersJson)
{
if (_UARTService == null || !_UARTService.IsDeviceReady)
{
return(false);
}
//Generate package
DataPacket packetToSend = new LaunchActionDataPacket(actionName, parametersJson);
//Timeout handling
TaskCompletionSource <DataPacket> signalEventPoke = new TaskCompletionSource <DataPacket>();
UARTPacketEventHandler handler = null;
handler += (sender, e) =>
{
if (e.ResponsePacket.MessageId == packetToSend.MessageId)
{
signalEventPoke.SetResult(e.ResponsePacket);
_UARTService.UARTPacketReceived -= handler;
}
};
_UARTService.UARTPacketReceived += handler;
if (await _UARTService.SendPacket(packetToSend))
{
DataPacket reception = await TimeoutAsyncEvent.TimeoutAfter(signalEventPoke.Task, TIMEOUT_UART_ANSWER);
_UARTService.UARTPacketReceived -= handler;
return(reception != null);
}
else
{
//TODO LOG Log.Error("PokeAliveCommand failed.");
_UARTService.UARTPacketReceived -= handler;
}
return(false);
}
/// <summary>
/// Command CFGS to set the connection string in the chip appconfig store.
/// </summary>
/// <param name="connectionString"></param>
/// <returns>True if the connection string was successfully set.</returns>
public async Task <bool> SetConfigOnChip(string connectionString)
{
if (_UARTService == null)
{
return(false);
}
TaskCompletionSource <FourByFourReception> signalEventPoke = new TaskCompletionSource <FourByFourReception>();
UARTPacketEventHandler handler = null;
handler += (sender, e) =>
{
if (e.ResponsePacket.Command == FourByFourConstants.CMD_SET_CONFIG)
{
signalEventPoke.SetResult(e.ResponsePacket);
_UARTService.UARTPacketReceived -= handler;
}
};
_UARTService.UARTPacketReceived += handler;
if (_UARTService.SendPacket(new SetConfigCommand(connectionString)))
{
FourByFourReception reception = await TimeoutAsyncEvent.TimeoutAfter(signalEventPoke.Task, TIMEOUT);
_UARTService.UARTPacketReceived -= handler;
return(reception.State == ReceptionState.Success);
}
else
{
Log.Error("SetConfigCommand failed.");
_UARTService.UARTPacketReceived -= handler;
}
return(false);
}
/// <summary>
/// Command CFGG to retrieve the current connection string saved in the chip.
/// </summary>
/// <returns>Connection String</returns>
public async Task <string> GetConnectionStringFromChip()
{
if (_UARTService == null)
{
return(string.Empty);
}
TaskCompletionSource <FourByFourReception> signalEventPoke = new TaskCompletionSource <FourByFourReception>();
UARTPacketEventHandler handler = null;
handler += (sender, e) =>
{
if (e.ResponsePacket.Command == FourByFourConstants.CMD_GET_CONFIG)
{
signalEventPoke.SetResult(e.ResponsePacket);
_UARTService.UARTPacketReceived -= handler;
}
};
_UARTService.UARTPacketReceived += handler;
if (_UARTService.SendPacket(new GetConfigCommand()))
{
FourByFourReception reception = await TimeoutAsyncEvent.TimeoutAfter(signalEventPoke.Task, TIMEOUT);
_UARTService.UARTPacketReceived -= handler;
return(((GetConfigReception)reception).ConnectionString);
}
else
{
Log.Error("GetConfigCommand failed.");
_UARTService.UARTPacketReceived -= handler;
}
return(string.Empty);
}
