/// <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);
}
/// <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>
/// Main Constructor
/// </summary>
/// <param name="packet"></param>
public UARTPacketEventArgs(FourByFourReception packet)
{
ResponsePacket = packet;
}
/// <summary>
/// Fires a new UARTPacketReceived event once a packet was successfully processed and recognized
/// </summary>
/// <param name="responsePacked">FourByFourReception packet</param>
private void NewResponsePacketReceived(FourByFourReception responsePacked)
{
UARTPacketReceived?.Invoke(this, new UARTPacketEventArgs(responsePacked));
}
