C#

Victor Gonzalez 2024 wrote:

the device sent the information in different codification.

e0 08 15 03 00 04 4c 00 b1 01 00 06 00 00 00 00 00 00 28 00 eb 
e0 09 15 03 00 04 4c 3e a1 00 06 00 00 00 00 00 00 00 56 00 eb 
e0 0a 15 03 00 04 4c 00 a2 00 00 00 00 00 00 00 00 00 14 00 eb
e0 0b 15 03 00 04 4c 00 a3 00 00 00 00 00 00 00 00 00 16 00 eb
e0 0c 15 03 00 04 4c 00 a7 00 00 00 00 00 00 00 00 00 1b 00 eb 

using System;
using System.IO.Ports;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading;

class PortDataReceived
{

    public static void Main()
    {

        SerialPort mySerialPort = new SerialPort("COM3");

        mySerialPort.BaudRate = 56000;
        mySerialPort.Parity = Parity.None;
        mySerialPort.StopBits = StopBits.One;
        mySerialPort.DataBits = 8;
        mySerialPort.Handshake = Handshake.None;
        mySerialPort.RtsEnable = true;

        mySerialPort.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);

        mySerialPort.Open();

        Console.WriteLine("Press any key to continue...");
        Console.WriteLine();
        Console.ReadKey();
        mySerialPort.Close();
    }

    private static void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e)
    {

        
        SerialPort sp = (SerialPort)sender;

        
        int count = sp.BytesToRead;
        int count2 = 0;
        byte[] data = new byte[count];
        sp.Read(data, 0, data.Length);

        switch (data.Length)
        {

            case 63:
                Console.WriteLine("inicio carrera o  pause off");
                if (data[7].ToString("X").Equals("0") && data[8].ToString("X").Equals("A6"))
                {
                    Console.WriteLine("pause off");

                }
                else
                {
                    if (data[7].ToString("X").Equals("3E") && data[8].ToString("X").Equals("A1"))
                    {
                        Console.WriteLine("carrera go!");
                    }
                }
                break;
            
            case 21:
               //Console.WriteLine("vuelta o pause on o stop carrera manual");
                if (data[7].ToString("X").Equals("1B") && data[8].ToString("X").Equals("A9"))
                {
                    Console.WriteLine("contador vuelta y tiempo");
                    
                }
                else
                {
                    if (data[7].ToString("X").Equals("0") && data[8].ToString("X").Equals("A5"))
                    {
                        Console.WriteLine("pause on");
                    }
                    else
                    {
                        if (data[7].ToString("X").Equals("0") && data[8].ToString("X").Equals("A7"))
                            Console.WriteLine("stop forzado");
                    }
                }
                break ;


            case 42:
                Console.WriteLine(" fin carril");
                break ;
             
        }
        sp.DiscardInBuffer();

        /*string[] tablehex = new string[data.Length];
        
        for (int i = 0; i < count; i++)
        {
            tablehex[i] = data[i].;
           //tablehex[i] = hexvalue;

        }
                 
            //   Console.WriteLine(hexvalue.ToString());

            // Console.WriteLine(tablehex[count2].ToString());

        leertabla(tablehex);*/


    }

data[8].ToString("X").Equals("A9")

data[8]==0xA9

e0	59	15	03	00	04	4c	3e	a1	00	06	00	00	00	00	00	00	00	a6	00	eb

e0	5f	15	03	00	04	4c	00	a2	00	00	00	00	00	00	00	00	00	69	00	eb

e0	60	15	03	00	04	4c	00	a3	00	00	00	00	00	00	00	00	00	6b	00	eb

e0	60	15	03	00	04	4c	00	a3	00	00	00	00	00	00	00	00	00	6b	00	eb

e0	61	15	03	00	04	4c	00	a7	00	00	00	00	00	00	00	00	00	70	00	eb

e0	6d	15	03	00	04	4c	00	a5	00	00	00	00	00	00	00	00	00	7a	00	eb

e0	6e	15	03	00	04	4c	00	a6	00	00	00	00	00	00	00	00	00	7c	00	eb

e0	6f	15	03	00	04	4c	00	a2	00	00	00	00	00	00	00	00	00	79	00	eb

e0	70	15	03	00	04	4c	00	a3	00	00	00	00	00	00	00	00	00	7b	00	eb

e0	02	15	03	00	04	4c	00	c0	00	00	00	00	00	01	00	00	00	2b	00	eb

eb	03	15	03	00	04	4c	00	a4	00	00	00	00	00	00	00	00	00	0f	00	eb

byte 8 and 9 indicates that the race is finished. 
byte 20 and 21 --> ever the same 00 eb.

using System;
using System.IO.Ports;
using System.Threading;

namespace ConsoleApp1 {
	class PortDataReceived {
		private static SerialPort sp;
		private const string PORTNAME = "COM3";
		private const int MSGLEN = 21;

		public static void Main(string[] args) {
			sp = openPort();
			Console.WriteLine("Press any key to terminate...");
			Console.ReadKey();
			if (sp!=null) sp.Close();
		}

		private static SerialPort openPort() {
			try {
				SerialPort port = new SerialPort(PORTNAME);
				port.BaudRate = 56000;
				port.Parity = Parity.None;
				port.StopBits = StopBits.One;
				port.DataBits = 8;
				port.Handshake = Handshake.None;
				port.RtsEnable = true;
				port.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
				port.Open();
				output("serial port " + PORTNAME + "opened");
				return port;
			} catch(Exception exc) {
				reportError("Error opening serial port (" + exc.Message + ")");
				return null;
			}
		}


		private static void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e) {
			// we will process one or more messages in a loop
			// WARNING: if for some reason the serial data gets out of sync (first byte isn't 0xE0)
			//			then we will not recover, and the data will not be understood at all!

			byte[] message = new byte[MSGLEN];
			while (true) {
				int count = sp.BytesToRead;
				if (count == 0) return; // no more data, exit the handler
				if (count >= MSGLEN) {
					// we now read exactly 21 bytes, no more no less, so when several messages could be present
					// we only obtain the first one in this iteration of the while loop
					int got=sp.Read(message, 0, MSGLEN);
					if (got == MSGLEN) {
						processMessage(message);
					} else {
						// this should never happen
						reportError("Insufficient data bytes in DataReceivedHandler");
					}
				} else {
					// some bytes are present, but not enough; so wait some more
					Thread.Sleep(100);
				}
			}
		}

		private static void processMessage(byte[] bb) {
			// WARNING: this method gets called by DataReceived handler, so it will NOT run on the GUI thread,
			//			and would need Invoking when used in a Windows Forms project
			int count = bb.Length;
			string s = "Got message: (len="+count.ToString()+"): ";
			foreach (byte b in bb) {
				s += b.ToString("X2") + " ";
			}
			string comment = " ?";
			if (count != MSGLEN) comment = " *** ERROR *** Bad length";
			else if (bb[0] != 0xE0) comment = " *** ERROR *** Bad first byte";
			// some examples of message interpretation
			else if (bb[8] == 0xA5 && bb[9] == 0x00) comment = " = Pause on";
			else if (bb[8] == 0xA6 && bb[9] == 0x00) comment = " = Pause off";
			output(s + comment);
		}

		private static void reportError(string message) {
			output("Error: "+message);
		}

		private static void output(string text) {
			Console.WriteLine(text);
		}
	}
}

Tracy Dryden wrote:

Also I would like to be able to display them in similar formats.