public void set_fastread_flag(OBDIIParameterCode code, bool flag, bool quiet)
{
if (!quiet)
{
logger.Debug("Fastread flag of " + code.ToString() + "is enabled.");
}
content_table[code].FastReadEnable = flag;
}
//Communication on 1PID
private void communicateOnePID(OBDIIParameterCode code)
{
//Clean up serial port buffer
DiscardInBuffer();
String outMsg;
outMsg = MODECODE.ToString("X2") + content_table[code].PID.ToString("X2") + content_table[code].ReturnByteLength.ToString("X1");
Write(outMsg + "\r");
//logger.Debug("ELM327OUT:" + outMsg);
String inMsg = "";
try
{
Int32 returnValue;
//inMsg = ReadTo("\r");
// Read to next prompt char of '>'
inMsg = ReadTo(">");
// Discard after the char of \r
// (discard all after \r)
// (This routine is implemented to make countermeasure in the case of multiple message returned.
inMsg = discardStringAfterChar(inMsg, '\r');
//logger.Debug("ELM327IN:" + inMsg);
inMsg = inMsg.Replace(">", "").Replace("\n", "").Replace("\r", "");
if (inMsg.Equals(""))
{
return;
}
//logger.Debug("Filtered ELM327IN:" + inMsg);
returnValue = Convert.ToInt32(inMsg.Remove(0, 4), 16);
content_table[code].RawValue = returnValue;
}
catch (TimeoutException ex)
{
logger.Warn("ELM327COM timeout. " + ex.GetType().ToString() + " " + ex.Message);
communicateRealtimeIsError = true;
}
catch (FormatException ex)
{
logger.Warn("String conversion to Int32 was failed " + ex.GetType().ToString() + " " + ex.Message + " Received string Is : " + inMsg);
//communicateRealtimeIsError = true;
}
catch (ArgumentOutOfRangeException ex)
{
logger.Warn("String conversion to Int32 was failed " + ex.GetType().ToString() + " " + ex.Message + " Received string Is : " + inMsg);
//communicateRealtimeIsError = true;
}
}
protected override void processReceivedJSONMessage(string receivedJSONmode, string message, WebSocketSession session)
{
var sessionparam = (ELM327WebsocketSessionParam)session.Items["Param"];
switch (receivedJSONmode)
{
//ELM327 COM all reset
case (ResetJSONFormat.ModeCode):
sessionparam.reset();
send_response_msg(session, "ELM327COM session RESET. All send parameters are disabled.");
break;
case (ELM327COMReadJSONFormat.ModeCode):
ELM327COMReadJSONFormat msg_obj_elm327read = JsonConvert.DeserializeObject <ELM327COMReadJSONFormat>(message);
msg_obj_elm327read.Validate();
OBDIIParameterCode target_code = (OBDIIParameterCode)Enum.Parse(typeof(OBDIIParameterCode), msg_obj_elm327read.code);
bool flag = msg_obj_elm327read.flag;
if (msg_obj_elm327read.read_mode == ELM327COMReadJSONFormat.FastReadModeCode)
{
sessionparam.FastSendlist[target_code] = flag;
}
else
{
sessionparam.SlowSendlist[target_code] = flag;
}
send_response_msg(session, "EM327COM session read flag for : " + target_code.ToString() + " read_mode :" + msg_obj_elm327read.read_mode + " set to : " + flag.ToString());
break;
case (ELM327SLOWREADIntervalJSONFormat.ModeCode):
ELM327SLOWREADIntervalJSONFormat msg_obj_interval = JsonConvert.DeserializeObject <ELM327SLOWREADIntervalJSONFormat>(message);
msg_obj_interval.Validate();
elm327com.SlowReadInterval = msg_obj_interval.interval;
send_response_msg(session, "ELM327COM slowread interval to : " + msg_obj_interval.interval.ToString());
break;
default:
throw new JSONFormatsException("Unsuppoted mode property.");
}
}
public void set_fastread_flag(OBDIIParameterCode code, bool flag)
{
set_fastread_flag(code, flag, false);
}
public bool get_fastread_flag(OBDIIParameterCode code)
{
return(content_table[code].FastReadEnable);
}
public bool get_slowread_flag(OBDIIParameterCode code)
{
return(content_table[code].SlowReadEnable);
}
public string get_unit(OBDIIParameterCode code)
{
return(content_table[code].Unit);
}
public Int32 get_raw_value(OBDIIParameterCode code)
{
return(content_table[code].RawValue);
}
public double get_value(OBDIIParameterCode code)
{
return(content_table[code].Value);
}
//Communication on 1PID
private void communicateOnePID(OBDIIParameterCode code, int errorRetryCount)
{
//Clean up serial port buffer
DiscardInBuffer();
String outMsg;
String outPID = content_table[code].PID.ToString("X2");
int returnByteLength = content_table[code].ReturnByteLength;
outMsg = MODECODE.ToString("X2") + outPID + returnByteLength.ToString("X1");
Write(outMsg + "\r");
//logger.Debug("ELM327OUT:" + outMsg);
String inMsg = "";
try
{
Int32 returnValue;
//inMsg = ReadTo("\r");
// Read to next prompt char of '>'
inMsg = ReadTo(">");
// Discard after the char of \r
// (discard all after \r)
// (This routine is implemented to make countermeasure in the case of multiple message returned.
inMsg = discardStringAfterChar(inMsg, '\r');
//logger.Debug("ELM327IN:" + inMsg);
// Get ECU data.
inMsg = inMsg.Replace(">", "").Replace("\n", "").Replace("\r", "");
// Check ECU data format.
if (inMsg.Equals(""))
{
throw new FormatException("Return message at communicateOnePID() is empty.");
}
else if (inMsg.Contains("NO DATA"))
{
logger.Warn("ELM327 returns NO DATA." + " OutPID :" + outPID + " Code : " + code.ToString());
return;
}
String inPID = inMsg.Substring(2, 2);
if (!inPID.Equals(outPID))
{
throw new FormatException("PID return from ELM327 does not match with commanded PID." + "outPID : " + outPID + " inPID :" + inPID);
}
//logger.Debug("Filtered ELM327IN:" + inMsg);
returnValue = Convert.ToInt32(inMsg.Remove(0, 4), 16);
content_table[code].RawValue = returnValue;
}
catch (TimeoutException ex)
{
logger.Error("ELM327COM timeout. " + ex.GetType().ToString() + " " + ex.Message);
communicateRealtimeIsError = true;
}
catch (FormatException ex)
{
logger.Warn(ex.GetType().ToString() + " " + ex.Message + " Received string Is : " + inMsg);
if (errorRetryCount < PID_COMMUNICATE_RETRY_MAX)
{
logger.Warn("Retry communication" + " OutPID :" + outPID + " Code : " + code.ToString());
communicateOnePID(code, errorRetryCount + 1);
}
else
{
logger.Error("PID communication retry count exceeds maximum (" + PID_COMMUNICATE_RETRY_MAX.ToString() + ")");
communicateRealtimeIsError = true;
}
}
catch (ArgumentOutOfRangeException ex)
{
logger.Warn(ex.GetType().ToString() + " " + ex.Message + " Received string Is : " + inMsg);
if (errorRetryCount < PID_COMMUNICATE_RETRY_MAX)
{
logger.Warn("Retry communication" + " OutPID :" + outPID + " Code : " + code.ToString());
communicateOnePID(code, errorRetryCount + 1);
}
else
{
logger.Error("PID communication retry count exceeds maximum (" + PID_COMMUNICATE_RETRY_MAX.ToString() + ")");
communicateRealtimeIsError = true;
}
}
}
private void communicateOnePID(OBDIIParameterCode code)
{
this.communicateOnePID(code, 0);
}
