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https://github.com/fasteddy516/SimplySerial.git
synced 2024-11-14 14:04:36 +00:00
Re-worked serial port and CircuitPython detection
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6bd3b9c589
commit
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@ -385,14 +385,15 @@ namespace SimplySerial
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if (availablePorts.Count >= 1)
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{
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Console.WriteLine("\nPORT\tVID\tPID\tDESCRIPTION");
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Console.WriteLine("------------------------------------------------------------");
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Console.WriteLine("----------------------------------------------------------------------");
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foreach (ComPort p in availablePorts)
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{
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Console.WriteLine("{0}\t{1}\t{2}\t{3}",
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Console.WriteLine("{0}\t{1}\t{2}\t{3} {4}",
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p.name,
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p.vid,
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p.pid,
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(p.board.isCircuitPython) ? (p.board.make + " " + p.board.model) : p.description
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(p.board.isCircuitPython) ? (p.board.make + " " + p.board.model) : p.description,
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((p.busDescription.Length > 0) && !p.description.StartsWith(p.busDescription)) ? ("[" + p.busDescription + "]") : ""
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);
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}
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Console.WriteLine("");
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@ -648,6 +649,7 @@ namespace SimplySerial
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public string vid;
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public string pid;
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public string description;
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public string busDescription;
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public Board board;
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}
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@ -659,6 +661,8 @@ namespace SimplySerial
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/// https://github.com/freakone/serial-reader
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/// Some modifications were based on this stackoverflow thread:
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/// https://stackoverflow.com/questions/11458835/finding-information-about-all-serial-devices-connected-through-usb-in-c-sharp
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/// Hardware Bus Description through WMI is based on Simon Mourier's answer on this stackoverflow thread:
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/// https://stackoverflow.com/questions/69362886/get-devpkey-device-busreporteddevicedesc-from-win32-pnpentity-in-c-sharp
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/// </summary>
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/// <returns>List of available serial ports</returns>
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private static List<ComPort> GetSerialPorts()
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@ -666,61 +670,86 @@ namespace SimplySerial
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const string vidPattern = @"VID_([0-9A-F]{4})";
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const string pidPattern = @"PID_([0-9A-F]{4})";
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const string namePattern = @"(?<=\()COM[0-9]{1,3}(?=\)$)";
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const string query = "SELECT * FROM Win32_PnPEntity WHERE ClassGuid=\"{4d36e978-e325-11ce-bfc1-08002be10318}\"";
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using (var searcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_PnPEntity WHERE ClassGuid=\"{4d36e978-e325-11ce-bfc1-08002be10318}\""))
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// as per INTERFACE_PREFIXES in adafruit_board_toolkit
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// (see https://github.com/adafruit/Adafruit_Board_Toolkit/blob/main/adafruit_board_toolkit)
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string[] cpb_descriptions = new string[] { "CircuitPython CDC ", "Sol CDC ", "StringCarM0Ex CDC " };
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List<ComPort> detectedPorts = new List<ComPort>();
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foreach (var p in new ManagementObjectSearcher("root\\CIMV2", query).Get().OfType<ManagementObject>())
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{
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var ports = searcher.Get().Cast<ManagementBaseObject>().ToList();
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List<ComPort> detectedPorts = ports.Select(p =>
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ComPort c = new ComPort();
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// extract and clean up port name and number
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c.name = p.GetPropertyValue("Name").ToString();
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Match mName = Regex.Match(c.name, namePattern);
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if (mName.Success)
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{
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ComPort c = new ComPort();
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c.name = p.GetPropertyValue("Name").ToString();
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c.vid = p.GetPropertyValue("PNPDeviceID").ToString();
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c.description = p.GetPropertyValue("Caption").ToString();
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c.name = mName.Value;
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c.num = int.Parse(c.name.Substring(3));
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}
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Match mVID = Regex.Match(c.vid, vidPattern, RegexOptions.IgnoreCase);
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Match mPID = Regex.Match(c.vid, pidPattern, RegexOptions.IgnoreCase);
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// if the port name or number cannot be determined, skip this port and move on
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if (c.num < 1)
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continue;
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if (mVID.Success)
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// get the device's VID and PID
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string pidvid = p.GetPropertyValue("PNPDeviceID").ToString();
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// extract and clean up device's VID
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Match mVID = Regex.Match(pidvid, vidPattern, RegexOptions.IgnoreCase);
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if (mVID.Success)
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{
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c.vid = mVID.Groups[1].Value;
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c.vid = c.vid.Substring(0, Math.Min(4, c.vid.Length));
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}
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else
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c.vid = "----";
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// extract and clean up device's PID
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Match mPID = Regex.Match(pidvid, pidPattern, RegexOptions.IgnoreCase);
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if (mPID.Success)
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{
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c.pid = mPID.Groups[1].Value;
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c.pid = c.pid.Substring(0, Math.Min(4, c.pid.Length));
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}
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else
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c.pid = "----";
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// extract the device's friendly description (caption)
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c.description = p.GetPropertyValue("Caption").ToString();
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// attempt to match this device with a known board
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c.board = MatchBoard(c.vid, c.pid);
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// extract the device's hardware bus description
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c.busDescription = "";
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var inParams = new object[] { new string[] { "DEVPKEY_Device_BusReportedDeviceDesc" }, null };
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p.InvokeMethod("GetDeviceProperties", inParams);
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var outParams = (ManagementBaseObject[])inParams[1];
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if (outParams.Length > 0)
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{
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var data = outParams[0].Properties.OfType<PropertyData>().FirstOrDefault(d => d.Name == "Data");
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if (data != null)
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{
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c.vid = mVID.Groups[1].Value;
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c.vid = c.vid.Substring(0, Math.Min(4, c.vid.Length));
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c.busDescription = data.Value.ToString();
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}
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else
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c.vid = "----";
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}
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if (mPID.Success)
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{
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c.pid = mPID.Groups[1].Value;
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c.pid = c.pid.Substring(0, Math.Min(4, c.vid.Length));
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}
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else
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c.pid = "----";
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// we can determine if this is a CircuitPython board by it's bus description
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foreach (string prefix in cpb_descriptions)
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{
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if (c.busDescription.StartsWith(prefix))
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c.board.isCircuitPython = true;
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}
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Match mName = Regex.Match(c.name, namePattern);
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if (mName.Success)
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{
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c.name = mName.Value;
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c.num = int.Parse(c.name.Substring(3));
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if (c.num == 0)
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c.name = "?";
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}
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else
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{
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c.name = "?";
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c.num = 0;
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}
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c.board = MatchBoard(c.vid, c.pid);
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return c;
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}).ToList();
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// remove all unusable ports from the list
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detectedPorts.RemoveAll(p => p.name == "?");
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return (detectedPorts);
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// add this port to our list of detected ports
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detectedPorts.Add(c);
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}
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return detectedPorts;
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}
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