/// <summary>
/// Wait until any response is received from the arduino
/// Use the function e.g. after a reset to receive the boot message
/// No command must be sent
/// </summary>
/// <param name="maxMilliseconds"></param>
/// <returns></returns>
public async Task<string> WaitUntilResonseAsync(int maxMilliseconds = int.MaxValue)
{
string message = null;
var checkresponse = new ArduinoSerialCommunication.CommandEventHandler((obj, e) =>
{
message = e.Info;
});
try
{
ReplyReceived += checkresponse;
var sw = Stopwatch.StartNew();
while (_continue && message == null && sw.ElapsedMilliseconds < maxMilliseconds)
{
if (_autoEvent.WaitOne(10) == false)
await Task.Delay(1);
}
}
finally
{
ReplyReceived -= checkresponse;
}
return message;
}
/// <summary>
/// Send a command to the arduino and wait until a (OK) reply
/// Queue must be empty
/// </summary>
/// <param name="line">command line</param>
/// <returns>ok result from arduino or empty(if error)</returns>
public async Task<string> SendCommandAndReadOKReplyAsync(string line, int waitForMilliseconds=int.MaxValue)
{
string message = null;
if (await WaitUntilNoPendingCommandsAsync(waitForMilliseconds))
{
var checkresponse = new ArduinoSerialCommunication.CommandEventHandler((obj, e) =>
{
message = e.Info;
});
ReplyOK += checkresponse;
QueueCommand(line);
await WaitUntilNoPendingCommandsAsync(waitForMilliseconds);
ReplyOK -= checkresponse;
}
return message;
}
