private async Task ReadDataAsync(SerialPort serialPort)
{
var buffer = new byte[4096];
Task <int> readStringTask = serialPort.BaseStream.ReadAsync(buffer, 0, 4096);
var bytesRead = await readStringTask;
_rawData += Encoding.ASCII.GetString(buffer, 0, bytesRead);
// Check if a newline has received, indicating that a complete message should have read
var lastIndexOfPrintln = _rawData.LastIndexOf("\r\n", StringComparison.Ordinal);
if (lastIndexOfPrintln == -1)
{
return;
}
var completeMessages = _rawData.Substring(0, lastIndexOfPrintln);
_rawData = _rawData.Remove(0, lastIndexOfPrintln);
// Split message if more than one have been received
var messages = completeMessages.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (var message in messages)
{
_nrf24State.CountOfReceivedMessages++;
SendRawMessage(message);
// Every message has three parts splitted by a space
// - record length & message type
// - serial header
// - packet data
var parts = message.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Count() != 3)
{
continue;
}
var nrf24Structure = new NRF24Structure
{
DateTime = DateTime.Now,
TypeAndLength = parts[0],
Header = parts[1],
Data = parts[2]
};
// Create the NRF24Header part
nrf24Structure.NRF24Header = NRF24Hub.CreateNRF24Header(nrf24Structure);
// Create the NRF24Data part
nrf24Structure.NRF24Data = CreateNRF24Data(nrf24Structure);
SendObject(nrf24Structure);
}
}
public NRF24Controller(
IConnectionManager connectionManager,
IOptions<GeneralSettings> generalSettings,
NRF24State nrf24State,
VeraSettings veraSettings)
{
// Make sure the serial capture process is only running once
if (nrf24State.Started)
return;
nrf24State.Started = true;
var hub = new NRF24Hub(connectionManager, generalSettings.Value, nrf24State, veraSettings);
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
hub.StartSerialClient();
}).Start();
}
public NRF24Controller(
IConnectionManager connectionManager,
IOptions<GeneralSettings> generalSettings,
NRF24State nrf24State,
VeraSettings veraSettings)
{
// Make sure the serial capture process is only running once
if (nrf24State.Started)
return;
nrf24State.Started = true;
var hub = new NRF24Hub(connectionManager, generalSettings.Value, nrf24State, veraSettings);
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
hub.StartSerialClient();
}).Start();
}
