/// <summary>
/// Calculate checksum, and append it at the end of message
/// </summary>
/// <returns></returns>
public byte[] GetFinalCommandList()
{
var num = bl.Count;
// First 2 bytes are skipped but checksum should be counted so overall length is unchanged, +2 - 2 = 0
bl.InsertRange(2, CustomConvertorClass.ConvertIntTo2Bytes(num));
UInt16 csum = ChecksumClass.CalculateChecksum(bl.ToArray());
bl.AddRange(CustomConvertorClass.ConvertIntTo2BytesBE(csum));
return(bl.ToArray());
}
private static void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
tempSerialReceiveBuff = new byte[serial.BytesToRead];
serial.Read(tempSerialReceiveBuff, 0, tempSerialReceiveBuff.Length);
if (!Busy)
{
// Just ignore read data that we didnt asked for
return;
}
switch (uartReceiver.CollectData(tempSerialReceiveBuff))
{
case UARTResult.Done:
taskState = 0;
Running = 0;
Busy = false;
// All data collected, process it in a given success delegate if checksum matches
ChecksumClass cs = new ChecksumClass();
if (cs.VerifyChecksumFromReceivedMessage(uartReceiver.bData))
{
// Checksum match
var dataWithoutChecksum = UARTHelperClass.RemoveChecksumFromMessage(uartReceiver.bData);
uartReceiver.Reset();
FormCustomConsole.WriteLineWithConsole("Finished from DataReceived method");
_successCallback(dataWithoutChecksum);
}
else
{
if (_useRetry)
{
if (_retryCount >= _TOTAL_RETRY)
{
FormCustomConsole.WriteWithConsole("Aborting process (checksum doesnt match) at ");
FormCustomConsole.WriteLineWithConsole(DateTime.Now.Minute + ":" + DateTime.Now.Second + ":" + DateTime.Now.Millisecond);
Busy = false;
_failCallback();
}
else
{
// Leave busy flag we are not finished yet
_retryCount++;
_sleepBeforeRetry = 1;
taskState = 2;
}
}
else
{
// Checksum not valid
Busy = false;
_failCallback();
}
}
break;
case UARTResult.WaitMoreData:
Running = 1;
break;
case UARTResult.Error:
default:
uartReceiver.Reset();
Running = 0;
throw new Exception("Error with UARTResult in SerialDriver.serialPort_DataReceived");
}
}
