public void Execute(string message, bool useCheckSum = true, bool useSeqNum = false)
{
_useSeqNum = useSeqNum;
_useCheckSum = useCheckSum;
string command = string.Empty;
if (_useSeqNum)
{
IncrementSeQNum();
message = message.Remove(4, 2);
message = message.Insert(4, _seqNum.ToString("D2"));
}
if (_useCheckSum)
{
string strippedMsg = message.Substring(1, message.Length - 1);
string chksum = CheckSum.Compute(strippedMsg);
command = $"{message}{chksum}\r";
}
else
{
command = $"{message.Remove(message.Length-1)}\r";
}
//_worker.Write(command, ()=> { _scriptState = ScriptState.CommandSent; });
Write(command, () => { _scriptState = ScriptState.CommandSent; });
while (true)
{
_signalStateChange.WaitOne();
if (_scriptState == ScriptState.ACKNSent)
{
Thread.Sleep(15);
break;
}
else
{
_signalStateChange.Reset();
}
}
}
void Process(string cmdstr)
{
retryTimer.Stop();
bool seqNumPresent = false;
var checkSum = cmdstr.Substring(cmdstr.Length - 1 - 2, 2);
string strippedCmd = cmdstr.Substring(1, cmdstr.Length - 1 - 3);
int unit = Convert.ToInt32(cmdstr.Substring(2, 1));
var fields = cmdstr.Split(',');
var cmdName = string.Empty;
if (cmdstr.StartsWith(">"))//Event
{
Program.ConsoleQ.Add($"Received Event : {cmdstr}");
return;
}
else if (cmdstr.StartsWith("?"))//Error
{
Program.ConsoleQ.Add($"Received Error : {cmdstr}");
_scriptState = ScriptState.ACKNSent;
_signalStateChange.Set();
return;
}
else if (fields[5].Length == 6)
{
cmdName = fields[4];
}
else
{
cmdName = fields[5];
}
if (cmdstr.StartsWith("!"))//End Of Execution Message
{
//Console.WriteLine($"Received End of Execution : {cmdstr}");
Program.ConsoleQ.Add($"Received End of Execution : {cmdstr}");
_scriptState = ScriptState.EndOfExecReceived;
if (fields[5].Length == 6)
{
cmdName = fields[4];
}
else
{
seqNumPresent = true;
cmdName = fields[5];
IncrementSeQNum();
}
//Send ACKN
string acknmsg = seqNumPresent? $"$,{unit},{_seqNum.ToString("D2")},ACKN" : $"$,{unit},ACKN";
string command = string.Empty;
if (_useCheckSum)
{
string strippedMsg = acknmsg.Substring(1, acknmsg.Length - 1) + ',';
string chksum = CheckSum.Compute(strippedMsg);
command = $"{acknmsg},{chksum}\r";
}
else
{
command = $"{acknmsg}\r";
}
//_worker.Write(command, () => { _scriptState = ScriptState.ACKNSent; });
Write(command, () => { _scriptState = ScriptState.ACKNSent; });
}
else
{
//Console.WriteLine($"Received Response : {cmdstr}");
Program.ConsoleQ.Add($"Received Response : {cmdstr}");
switch (cmdName.First())
{
case 'R':
case 'S':
if (!isInterLeaved)
{
_scriptState = ScriptState.ACKNSent;
}
else
{
_scriptState = ScriptState.ResponseReceived;
}
break;
case 'I':
case 'M':
case 'C':
_scriptState = ScriptState.ResponseReceived;
break;
}
_signalStateChange.Set();
}
// _signalStateChange.Set();
}