public async Task <bool> setOTAAJoinAsyncWithRetry(_otaa_join_cmd_t command, int timeoutPerTry, int retries, int delayBetweenRetries = 5000)
{
for (var attempt = 1; attempt <= retries; ++attempt)
{
TestLogger.Log($"Join attempt #{attempt}/{retries}");
if (command == _otaa_join_cmd_t.JOIN)
{
sendCommand("AT+JOIN\r\n");
}
else if (command == _otaa_join_cmd_t.FORCE)
{
sendCommand("AT+JOIN=FORCE\r\n");
}
await Task.Delay(DEFAULT_TIMEWAIT);
DateTime start = DateTime.Now;
while (DateTime.Now.Subtract(start).TotalMilliseconds < timeoutPerTry)
{
if (ReceivedSerial((s) => s.Contains("+JOIN: Network joined", StringComparison.Ordinal)))
{
return(true);
}
else if (ReceivedSerial(x => x.Contains("+JOIN: LoRaWAN modem is busy", StringComparison.Ordinal)))
{
break;
}
else if (ReceivedSerial(x => x.Contains("+JOIN: Join failed", StringComparison.Ordinal)))
{
break;
}
// wait a bit to not starve CPU, still waiting for a response from serial port
await Task.Delay(50);
}
await Task.Delay(delayBetweenRetries);
// check serial log again before sending another request
if (ReceivedSerial((s) => s.StartsWith("+JOIN: Network joined", StringComparison.Ordinal)))
{
return(true);
}
}
return(false);
}
public bool setOTAAJoin(_otaa_join_cmd_t command, int timeout)
{
if (command == _otaa_join_cmd_t.JOIN)
{
sendCommand("AT+JOIN\r\n");
}
else if (command == _otaa_join_cmd_t.FORCE)
{
sendCommand("AT+JOIN=FORCE\r\n");
}
Thread.Sleep(DEFAULT_TIMEWAIT);
DateTime start = DateTime.Now;
while (true)
{
if (ReceivedSerial(x => x.StartsWith("+JOIN: Done")))
{
return(true);
}
else if (ReceivedSerial(x => x.StartsWith("+JOIN: LoRaWAN modem is busy")))
{
return(false);
}
else if (ReceivedSerial(x => x.StartsWith("+JOIN: Join failed")))
{
return(false);
}
else if (start.AddMilliseconds(timeout) < DateTime.Now)
{
return(false);
}
}
// ptr = _buffer.Contains("+JOIN: Join failed");
//if (ptr) return false;
//ptr = _buffer.Contains("+JOIN: LoRaWAN modem is busy");
//if (ptr) return false;
}
