Exemple #1
0
        /// <summary>
        /// Print the diagnostics
        /// </summary>
        /// <param name="result">Target to write to</param>
        /// <returns>Asynchronous task</returns>
        private static async Task Diagnostics(CodeResult result)
        {
            StringBuilder builder = new StringBuilder();

            builder.AppendLine("=== Duet Control Server ===");
            builder.AppendLine($"Duet Control Server v{Assembly.GetExecutingAssembly().GetName().Version}");
            await SPI.Interface.Diagnostics(builder);

            SPI.DataTransfer.Diagnostics(builder);
            await Print.Diagnostics(builder);

            result.Add(MessageType.Success, builder.ToString().TrimEnd());
        }
Exemple #2
0
        /// <summary>
        /// Print the diagnostics
        /// </summary>
        /// <param name="result">Target to write to</param>
        /// <returns>Asynchronous task</returns>
        private static async Task Diagnostics(CodeResult result)
        {
            StringBuilder builder = new StringBuilder();

            builder.AppendLine("=== Duet Control Server ===");
            builder.AppendLine($"Duet Control Server v{Program.Version}");

            await SPI.Interface.Diagnostics(builder);

            SPI.DataTransfer.Diagnostics(builder);
            await FileExecution.Job.Diagnostics(builder);

            result.Add(MessageType.Success, builder.ToString().TrimEnd());
        }
        /// <summary>
        /// Converts simple G/M/T-codes to a regular Code instances, executes them and returns the result as text
        /// </summary>
        /// <returns>Code result as text</returns>
        /// <exception cref="OperationCanceledException">Code has been cancelled</exception>
        public override async Task <string> Execute()
        {
            CodeResult result = new CodeResult();

            try
            {
                List <Code> codes = Commands.Code.ParseMultiple(Code);
                foreach (Code code in codes)
                {
                    // M112, M122, and M999 always go to the Daemon channel so we (hopefully) get a low-latency response
                    if (code.Type == CodeType.MCode && (code.MajorNumber == 112 || code.MajorNumber == 122 || code.MajorNumber == 999))
                    {
                        code.Channel = DuetAPI.CodeChannel.Daemon;
                        code.Flags  |= CodeFlags.IsPrioritized;
                    }
                    else
                    {
                        code.Channel = Channel;
                    }

                    // Execute the code and append the result
                    CodeResult codeResult = await code.Execute();

                    result.AddRange(codeResult);
                }
            }
            catch (CodeParserException e)
            {
                // Report parsing errors as an error message
                result = new CodeResult(DuetAPI.MessageType.Error, e.Message);
            }
            catch (OperationCanceledException)
            {
                // Report this code as cancelled
                result.Add(DuetAPI.MessageType.Error, "Code has been cancelled");
            }

            return(result.ToString());
        }
Exemple #4
0
        /// <summary>
        /// React to an executed G-code before its result is returend
        /// </summary>
        /// <param name="code">Code processed by RepRapFirmware</param>
        /// <param name="result">Result that it generated</param>
        /// <returns>Result to output</returns>
        /// <remarks>This method shall be used only to update values that are time-critical. Others are supposed to be updated via the object model</remarks>
        public static async Task <CodeResult> CodeExecuted(Code code, CodeResult result)
        {
            if (!result.IsSuccessful)
            {
                return(result);
            }

            switch (code.MajorNumber)
            {
            // Rapid/Regular positioning
            case 0:
            case 1:
                CodeParameter feedrate = code.Parameter('F');
                if (feedrate != null)
                {
                    using (await Model.Provider.AccessReadWriteAsync())
                    {
                        if (Model.Provider.Get.Channels[code.Channel].UsingInches)
                        {
                            Model.Provider.Get.Channels[code.Channel].Feedrate = feedrate / 25.4F;
                        }
                        else
                        {
                            Model.Provider.Get.Channels[code.Channel].Feedrate = feedrate;
                        }
                    }
                }
                break;

            // Use inches
            case 20:
                using (await Model.Provider.AccessReadWriteAsync())
                {
                    Model.Provider.Get.Channels[code.Channel].UsingInches = true;
                }
                break;

            // Use millimetres
            case 21:
                using (await Model.Provider.AccessReadWriteAsync())
                {
                    Model.Provider.Get.Channels[code.Channel].UsingInches = false;
                }
                break;

            // Save heightmap
            case 29:
                if (code.Parameter('S', 0) == 0)
                {
                    string file = code.Parameter('P', "heightmap.csv");

                    try
                    {
                        Heightmap map = await SPI.Interface.GetHeightmap();

                        await map.Save(await FilePath.ToPhysicalAsync(file, "sys"));

                        result.Add(DuetAPI.MessageType.Success, $"Height map saved to file {file}");
                    }
                    catch (AggregateException ae)
                    {
                        result.Add(DuetAPI.MessageType.Error, $"Failed to save height map to file {file}: {ae.InnerException.Message}");
                    }
                }
                break;

            // Absolute positioning
            case 90:
                using (await Model.Provider.AccessReadWriteAsync())
                {
                    Model.Provider.Get.Channels[code.Channel].RelativePositioning = false;
                }
                break;

            // Relative positioning
            case 91:
                using (await Model.Provider.AccessReadWriteAsync())
                {
                    Model.Provider.Get.Channels[code.Channel].RelativePositioning = true;
                }
                break;
            }
            return(result);
        }
Exemple #5
0
        /// <summary>
        /// Converts simple G/M/T-codes to a regular Code instances, executes them and returns the result as text
        /// </summary>
        /// <returns>Code result as text</returns>
        /// <exception cref="OperationCanceledException">Code has been cancelled</exception>
        public override async Task <string> Execute()
        {
            // Check if the corresponding code channel has been disabled
            using (await Model.Provider.AccessReadOnlyAsync())
            {
                if (Model.Provider.Get.Inputs[Channel] == null)
                {
                    throw new InvalidOperationException("Requested code channel has been disabled");
                }
            }

            // Parse the input string
            List <Code> codes = new List <Code>(), priorityCodes = new List <Code>();

            try
            {
                await foreach (Code code in ParseAsync())
                {
                    // M108, M112, M122, and M999 always go to an idle channel so we (hopefully) get a low-latency response
                    if (code.Type == CodeType.MCode && (code.MajorNumber == 108 || code.MajorNumber == 112 || code.MajorNumber == 122 || code.MajorNumber == 999))
                    {
                        code.Channel = await SPI.Interface.GetIdleChannel();

                        code.Flags |= CodeFlags.IsPrioritized;
                        priorityCodes.Add(code);
                    }
                    else if (IPC.Processors.CodeInterception.IsInterceptingConnection(Connection))
                    {
                        // Need to bypass the code order lock for codes being inserted...
                        priorityCodes.Add(code);
                    }
                    else
                    {
                        codes.Add(code);
                    }
                }
            }
            catch (CodeParserException e)
            {
                // Report parsing errors as an error message
                return((new CodeResult(MessageType.Error, e.Message)).ToString());
            }

            CodeResult result = new CodeResult();

            try
            {
                // Execute priority codes first
                foreach (Code priorityCode in priorityCodes)
                {
                    CodeResult codeResult = await priorityCode.Execute();

                    try
                    {
                        if (codeResult != null)
                        {
                            result.AddRange(codeResult);
                        }
                    }
                    catch (OperationCanceledException)
                    {
                        // not logged
                    }
                }

                // Execute normal codes next. Use a lock here because multiple codes may be queued for the same channel
                if (codes.Count > 0)
                {
                    Task <CodeResult>[] codeTasks = new Task <CodeResult> [codes.Count];
                    using (await _channelLocks[(int)Channel].LockAsync(Program.CancellationToken))
                    {
                        for (int i = 0; i < codes.Count; i++)
                        {
                            codeTasks[i] = codes[i].Execute();
                        }
                    }

                    foreach (Task <CodeResult> codeTask in codeTasks)
                    {
                        try
                        {
                            CodeResult codeResult = await codeTask;
                            if (codeResult != null)
                            {
                                result.AddRange(codeResult);
                            }
                        }
                        catch (OperationCanceledException)
                        {
                            // not logged
                        }
                    }
                }
            }
            catch (CodeParserException cpe)
            {
                result.Add(MessageType.Error, cpe.Message);
            }
            return(result.ToString());
        }
        /// <summary>
        /// Converts simple G/M/T-codes to a regular Code instances, executes them and returns the result as text
        /// </summary>
        /// <returns>Code result as text</returns>
        /// <exception cref="OperationCanceledException">Code has been cancelled</exception>
        public override async Task <string> Execute()
        {
            // Parse the input string
            List <Code> codes = new List <Code>(), priorityCodes = new List <Code>();

            try
            {
                foreach (Code code in Parse())
                {
                    // M108, M112, M122, and M999 always go to an idle channel so we (hopefully) get a low-latency response
                    if (code.Type == CodeType.MCode && (code.MajorNumber == 108 || code.MajorNumber == 112 || code.MajorNumber == 122 || code.MajorNumber == 999))
                    {
                        code.Channel = await SPI.Interface.GetIdleChannel();

                        code.Flags |= CodeFlags.IsPrioritized;
                        priorityCodes.Add(code);
                    }
                    else if (IPC.Processors.Interception.IsInterceptingConnection(SourceConnection))
                    {
                        priorityCodes.Add(code);
                    }
                    else
                    {
                        codes.Add(code);
                    }
                }
            }
            catch (CodeParserException e)
            {
                // Report parsing errors as an error message
                return((new CodeResult(MessageType.Error, e.Message)).ToString());
            }

            CodeResult result = new CodeResult();

            try
            {
                // Execute priority codes first
                foreach (Code priorityCode in priorityCodes)
                {
                    CodeResult codeResult = await priorityCode.Execute();

                    if (codeResult != null)
                    {
                        result.AddRange(codeResult);
                    }
                }

                // Execute normal codes next. Use a lock here because multiple codes may be queued for the same channel
                if (codes.Count > 0)
                {
                    using (await _channelLocks[(int)Channel].LockAsync())
                    {
                        foreach (Code code in codes)
                        {
                            CodeResult codeResult = await code.Execute();

                            if (codeResult != null)
                            {
                                result.AddRange(codeResult);
                            }
                        }
                    }
                }
            }
            catch (OperationCanceledException)
            {
                // Report when a code is cancelled
                result.Add(MessageType.Error, "Code has been cancelled");
            }
            return(result.ToString());
        }
        /// <summary>
        /// Process a G-code that should be interpreted by the control server
        /// </summary>
        /// <param name="code">Code to process</param>
        /// <returns>Result of the code if the code completed, else null</returns>
        public static async Task <CodeResult> Process(Commands.Code code)
        {
            if (code.Channel == CodeChannel.File && FileExecution.Job.IsSimulating)
            {
                // Ignore M-codes from files in simulation mode...
                return(null);
            }

            switch (code.MajorNumber)
            {
            // Save or load heightmap
            case 29:
                CodeParameter cp = code.Parameter('S', 0);
                if (cp == 1 || cp == 3)
                {
                    if (await SPI.Interface.Flush(code))
                    {
                        string file         = code.Parameter('P', FilePath.DefaultHeightmapFile);
                        string physicalFile = await FilePath.ToPhysicalAsync(file, FileDirectory.System);

                        try
                        {
                            Heightmap map = null;
                            if (cp == 1)
                            {
                                map = new Heightmap();
                                await map.Load(physicalFile);
                            }
                            if (await SPI.Interface.LockMovementAndWaitForStandstill(code.Channel))
                            {
                                if (cp == 1)
                                {
                                    try
                                    {
                                        await SPI.Interface.SetHeightmap(map);
                                    }
                                    finally
                                    {
                                        await SPI.Interface.UnlockAll(code.Channel);
                                    }

                                    string virtualFile = await FilePath.ToVirtualAsync(physicalFile);

                                    using (await Model.Provider.AccessReadWriteAsync())
                                    {
                                        Model.Provider.Get.Move.Compensation.File = virtualFile;
                                    }

                                    CodeResult result = new CodeResult();
                                    using (await Model.Provider.AccessReadOnlyAsync())
                                    {
                                        if (Model.Provider.Get.Move.Axes.Any(axis => axis.Letter == 'Z' && !axis.Homed))
                                        {
                                            result.Add(MessageType.Warning, "The height map was loaded when the current Z=0 datum was not determined. This may result in a height offset.");
                                        }
                                    }
                                    result.Add(MessageType.Success, $"Height map loaded from file {file}");
                                    return(result);
                                }
                                else
                                {
                                    try
                                    {
                                        map = await SPI.Interface.GetHeightmap();
                                    }
                                    finally
                                    {
                                        await SPI.Interface.UnlockAll(code.Channel);
                                    }

                                    if (map.NumX * map.NumY > 0)
                                    {
                                        await map.Save(physicalFile);

                                        string virtualFile = await FilePath.ToVirtualAsync(physicalFile);

                                        using (await Model.Provider.AccessReadWriteAsync())
                                        {
                                            Model.Provider.Get.Move.Compensation.File = virtualFile;
                                        }
                                        return(new CodeResult(MessageType.Success, $"Height map saved to file {file}"));
                                    }
                                    return(new CodeResult());
                                }
                            }
                        }
                        catch (Exception e)
                        {
                            _logger.Debug(e, "Failed to access height map file");
                            if (e is AggregateException ae)
                            {
                                e = ae.InnerException;
                            }
                            return(new CodeResult(MessageType.Error, $"Failed to {(cp == 1 ? "load" : "save")} height map {(cp == 1 ? "from" : "to")} file {file}: {e.Message}"));
                        }
                    }
                    throw new OperationCanceledException();
                }
                break;
            }
            return(null);
        }
Exemple #8
0
        /// <summary>
        /// Process an M-code that should be interpreted by the control server
        /// </summary>
        /// <param name="code">Code to process</param>
        /// <returns>Result of the code if the code completed, else null</returns>
        public static async Task <CodeResult> Process(Commands.Code code)
        {
            if (code.Channel == CodeChannel.File && FileExecution.Job.IsSimulating)
            {
                // Ignore M-codes from files in simulation mode...
                return(null);
            }

            switch (code.MajorNumber)
            {
            // Stop or Unconditional stop
            // Sleep or Conditional stop
            case 0:
            case 1:
                if (await SPI.Interface.Flush(code))
                {
                    using (await FileExecution.Job.LockAsync())
                    {
                        if (FileExecution.Job.IsFileSelected)
                        {
                            // M0/M1 may be used in a print file to terminate it
                            if (code.Channel != CodeChannel.File && !FileExecution.Job.IsPaused)
                            {
                                return(new CodeResult(MessageType.Error, "Pause the print before attempting to cancel it"));
                            }
                            code.CancellingPrint = true;
                        }
                    }
                    break;
                }
                throw new OperationCanceledException();

            // List SD card
            case 20:
                if (await SPI.Interface.Flush(code))
                {
                    // Resolve the directory
                    string virtualDirectory = code.Parameter('P');
                    if (virtualDirectory == null)
                    {
                        using (await Model.Provider.AccessReadOnlyAsync())
                        {
                            virtualDirectory = Model.Provider.Get.Directories.GCodes;
                        }
                    }
                    string physicalDirectory = await FilePath.ToPhysicalAsync(virtualDirectory);

                    // Make sure to stay within limits if it is a request from the firmware
                    int maxSize = -1;
                    if (code.Flags.HasFlag(CodeFlags.IsFromFirmware))
                    {
                        maxSize = SPI.Communication.Consts.MaxMessageLength;
                    }

                    // Check if JSON file lists were requested
                    int           startAt = Math.Max(code.Parameter('R') ?? 0, 0);
                    CodeParameter sParam  = code.Parameter('S', 0);
                    if (sParam == 2)
                    {
                        string json = FileLists.GetFiles(virtualDirectory, physicalDirectory, startAt, true, maxSize);
                        return(new CodeResult(MessageType.Success, json));
                    }
                    if (sParam == 3)
                    {
                        string json = FileLists.GetFileList(virtualDirectory, physicalDirectory, startAt, maxSize);
                        return(new CodeResult(MessageType.Success, json));
                    }

                    // Print standard G-code response
                    Compatibility compatibility;
                    using (await Model.Provider.AccessReadOnlyAsync())
                    {
                        compatibility = Model.Provider.Get.Inputs[code.Channel].Compatibility;
                    }

                    StringBuilder result = new StringBuilder();
                    if (compatibility == Compatibility.Default || compatibility == Compatibility.RepRapFirmware)
                    {
                        result.AppendLine("GCode files:");
                    }
                    else if (compatibility == Compatibility.Marlin || compatibility == Compatibility.NanoDLP)
                    {
                        result.AppendLine("Begin file list:");
                    }

                    int  numItems  = 0;
                    bool itemFound = false;
                    foreach (string file in Directory.EnumerateFileSystemEntries(physicalDirectory))
                    {
                        if (numItems++ >= startAt)
                        {
                            string filename = Path.GetFileName(file);
                            if (compatibility == Compatibility.Marlin || compatibility == Compatibility.NanoDLP)
                            {
                                result.AppendLine(filename);
                            }
                            else
                            {
                                if (itemFound)
                                {
                                    result.Append(',');
                                }
                                result.Append($"\"{filename}\"");
                            }
                            itemFound = true;
                        }
                    }

                    if (compatibility == Compatibility.Marlin || compatibility == Compatibility.NanoDLP)
                    {
                        if (!itemFound)
                        {
                            result.AppendLine("NONE");
                        }
                        result.Append("End file list");
                    }

                    return(new CodeResult(MessageType.Success, result.ToString()));
                }
                throw new OperationCanceledException();

            // Initialize SD card
            case 21:
                throw new NotSupportedException();

            // Release SD card
            case 22:
                throw new NotSupportedException();

            // Select a file to print
            case 23:
            case 32:
                if (await SPI.Interface.Flush(code))
                {
                    string file = code.GetUnprecedentedString();
                    if (string.IsNullOrWhiteSpace(file))
                    {
                        return(new CodeResult(MessageType.Error, "Filename expected"));
                    }

                    string physicalFile = await FilePath.ToPhysicalAsync(file, FileDirectory.GCodes);

                    if (!File.Exists(physicalFile))
                    {
                        return(new CodeResult(MessageType.Error, $"Could not find file {file}"));
                    }

                    using (await FileExecution.Job.LockAsync())
                    {
                        if (code.Channel != CodeChannel.File && FileExecution.Job.IsProcessing)
                        {
                            return(new CodeResult(MessageType.Error, "Cannot set file to print, because a file is already being printed"));
                        }
                        await FileExecution.Job.SelectFile(physicalFile);
                    }

                    if (await code.EmulatingMarlin())
                    {
                        return(new CodeResult(MessageType.Success, "File opened\nFile selected"));
                    }
                    return(new CodeResult(MessageType.Success, $"File {file} selected for printing"));
                }
                throw new OperationCanceledException();


            // Resume a file print
            case 24:
                if (await SPI.Interface.Flush(code))
                {
                    using (await FileExecution.Job.LockAsync())
                    {
                        if (!FileExecution.Job.IsFileSelected)
                        {
                            return(new CodeResult(MessageType.Error, "Cannot print, because no file is selected!"));
                        }
                    }

                    // Let RepRapFirmware process this request so it can invoke resume.g. When M24 completes, the file is resumed
                    break;
                }
                throw new OperationCanceledException();

            // Set SD position
            case 26:
                if (await SPI.Interface.Flush(code))
                {
                    using (await FileExecution.Job.LockAsync())
                    {
                        if (!FileExecution.Job.IsFileSelected)
                        {
                            return(new CodeResult(MessageType.Error, "Not printing a file"));
                        }

                        CodeParameter sParam = code.Parameter('S');
                        if (sParam != null)
                        {
                            if (sParam < 0L || sParam > FileExecution.Job.FileLength)
                            {
                                return(new CodeResult(MessageType.Error, "Position is out of range"));
                            }
                            await FileExecution.Job.SetFilePosition(sParam);
                        }
                    }

                    // P is not supported yet

                    return(new CodeResult());
                }
                throw new OperationCanceledException();

            // Report SD print status
            case 27:
                if (await SPI.Interface.Flush(code))
                {
                    using (await FileExecution.Job.LockAsync())
                    {
                        if (FileExecution.Job.IsFileSelected)
                        {
                            long filePosition = await FileExecution.Job.GetFilePosition();

                            return(new CodeResult(MessageType.Success, $"SD printing byte {filePosition}/{FileExecution.Job.FileLength}"));
                        }
                        return(new CodeResult(MessageType.Success, "Not SD printing."));
                    }
                }
                throw new OperationCanceledException();

            // Begin write to SD card
            case 28:
                if (await SPI.Interface.Flush(code))
                {
                    int numChannel = (int)code.Channel;
                    using (await Commands.Code.FileLocks[numChannel].LockAsync(code.CancellationToken))
                    {
                        if (Commands.Code.FilesBeingWritten[numChannel] != null)
                        {
                            return(new CodeResult(MessageType.Error, "Another file is already being written to"));
                        }

                        string file = code.GetUnprecedentedString();
                        if (string.IsNullOrWhiteSpace(file))
                        {
                            return(new CodeResult(MessageType.Error, "Filename expected"));
                        }

                        string prefix       = (await code.EmulatingMarlin()) ? "ok\n" : string.Empty;
                        string physicalFile = await FilePath.ToPhysicalAsync(file, FileDirectory.GCodes);

                        try
                        {
                            FileStream   fileStream = new FileStream(physicalFile, FileMode.Create, FileAccess.Write);
                            StreamWriter writer     = new StreamWriter(fileStream);
                            Commands.Code.FilesBeingWritten[numChannel] = writer;
                            return(new CodeResult(MessageType.Success, prefix + $"Writing to file: {file}"));
                        }
                        catch (Exception e)
                        {
                            _logger.Debug(e, "Failed to open file for writing");
                            return(new CodeResult(MessageType.Error, prefix + $"Can't open file {file} for writing."));
                        }
                    }
                }
                throw new OperationCanceledException();

            // End write to SD card
            case 29:
                if (await SPI.Interface.Flush(code))
                {
                    int numChannel = (int)code.Channel;
                    using (await Commands.Code.FileLocks[numChannel].LockAsync(code.CancellationToken))
                    {
                        if (Commands.Code.FilesBeingWritten[numChannel] != null)
                        {
                            Stream stream = Commands.Code.FilesBeingWritten[numChannel].BaseStream;
                            Commands.Code.FilesBeingWritten[numChannel].Dispose();
                            Commands.Code.FilesBeingWritten[numChannel] = null;
                            stream.Dispose();

                            if (await code.EmulatingMarlin())
                            {
                                return(new CodeResult(MessageType.Success, "Done saving file."));
                            }
                            return(new CodeResult());
                        }
                        break;
                    }
                }
                throw new OperationCanceledException();

            // Delete a file on the SD card
            case 30:
                if (await SPI.Interface.Flush(code))
                {
                    string file         = code.GetUnprecedentedString();
                    string physicalFile = await FilePath.ToPhysicalAsync(file);

                    try
                    {
                        File.Delete(physicalFile);
                    }
                    catch (Exception e)
                    {
                        _logger.Debug(e, "Failed to delete file");
                        return(new CodeResult(MessageType.Error, $"Failed to delete file {file}: {e.Message}"));
                    }
                }
                throw new OperationCanceledException();

            // For case 32, see case 23

            // Return file information
            case 36:
                if (code.Parameters.Count > 0)
                {
                    if (await SPI.Interface.Flush(code))
                    {
                        string file = await FilePath.ToPhysicalAsync(code.GetUnprecedentedString(), FileDirectory.GCodes);

                        try
                        {
                            ParsedFileInfo info = await InfoParser.Parse(file);

                            string json = JsonSerializer.Serialize(info, JsonHelper.DefaultJsonOptions);
                            return(new CodeResult(MessageType.Success, "{\"err\":0," + json.Substring(1)));
                        }
                        catch (Exception e)
                        {
                            _logger.Debug(e, "Failed to return file information");
                            return(new CodeResult(MessageType.Success, "{\"err\":1}"));
                        }
                    }
                    throw new OperationCanceledException();
                }
                break;

            // Simulate file
            case 37:
                if (await SPI.Interface.Flush(code))
                {
                    CodeParameter pParam = code.Parameter('P');
                    if (pParam != null)
                    {
                        string file = pParam;
                        if (string.IsNullOrWhiteSpace(file))
                        {
                            return(new CodeResult(MessageType.Error, "Filename expected"));
                        }

                        string physicalFile = await FilePath.ToPhysicalAsync(file, FileDirectory.GCodes);

                        if (!File.Exists(physicalFile))
                        {
                            return(new CodeResult(MessageType.Error, $"GCode file \"{file}\" not found\n"));
                        }

                        using (await FileExecution.Job.LockAsync())
                        {
                            if (code.Channel != CodeChannel.File && FileExecution.Job.IsProcessing)
                            {
                                return(new CodeResult(MessageType.Error, "Cannot set file to simulate, because a file is already being printed"));
                            }

                            await FileExecution.Job.SelectFile(physicalFile, true);

                            // Simulation is started when M37 has been processed by the firmware
                        }
                    }
                    break;
                }
                throw new OperationCanceledException();

            // Compute SHA1 hash of target file
            case 38:
                if (await SPI.Interface.Flush(code))
                {
                    string file         = code.GetUnprecedentedString();
                    string physicalFile = await FilePath.ToPhysicalAsync(file);

                    try
                    {
                        using FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read);

                        byte[] hash;
                        using System.Security.Cryptography.SHA1 sha1 = System.Security.Cryptography.SHA1.Create();
                        hash = await Task.Run(() => sha1.ComputeHash(stream), code.CancellationToken);

                        return(new CodeResult(MessageType.Success, BitConverter.ToString(hash).Replace("-", string.Empty)));
                    }
                    catch (Exception e)
                    {
                        _logger.Debug(e, "Failed to compute SHA1 checksum");
                        if (e is AggregateException ae)
                        {
                            e = ae.InnerException;
                        }
                        return(new CodeResult(MessageType.Error, $"Could not compute SHA1 checksum for file {file}: {e.Message}"));
                    }
                }
                throw new OperationCanceledException();

            // Report SD card information
            case 39:
                if (await SPI.Interface.Flush(code))
                {
                    using (await Model.Provider.AccessReadOnlyAsync())
                    {
                        int index = code.Parameter('P', 0);
                        if (code.Parameter('S', 0) == 2)
                        {
                            if (index < 0 || index >= Model.Provider.Get.Volumes.Count)
                            {
                                return(new CodeResult(MessageType.Success, $"{{\"SDinfo\":{{\"slot\":{index},present:0}}}}"));
                            }

                            Volume storage = Model.Provider.Get.Volumes[index];
                            var    output  = new
                            {
                                SDinfo = new
                                {
                                    slot     = index,
                                    present  = 1,
                                    capacity = storage.Capacity,
                                    free     = storage.FreeSpace,
                                    speed    = storage.Speed
                                }
                            };
                            return(new CodeResult(MessageType.Success, JsonSerializer.Serialize(output, JsonHelper.DefaultJsonOptions)));
                        }
                        else
                        {
                            if (index < 0 || index >= Model.Provider.Get.Volumes.Count)
                            {
                                return(new CodeResult(MessageType.Error, $"Bad SD slot number: {index}"));
                            }

                            Volume storage = Model.Provider.Get.Volumes[index];
                            return(new CodeResult(MessageType.Success, $"SD card in slot {index}: capacity {storage.Capacity / (1000 * 1000 * 1000):F2}Gb, free space {storage.FreeSpace / (1000 * 1000 * 1000):F2}Gb, speed {storage.Speed / (1000 * 1000):F2}MBytes/sec"));
                        }
                    }
                }
                throw new OperationCanceledException();

            // Emergency Stop - unconditional and interpreteted immediately when read
            case 112:
                await SPI.Interface.EmergencyStop();

                using (await Model.Provider.AccessReadWriteAsync())
                {
                    Model.Provider.Get.State.Status = MachineStatus.Halted;
                }
                return(new CodeResult());

            // Immediate DSF diagnostics
            case 122:
                if (code.Parameter('B', 0) == 0 && code.GetUnprecedentedString() == "DSF")
                {
                    CodeResult result = new CodeResult();
                    await Diagnostics(result);

                    return(result);
                }
                break;

            // Save heightmap
            case 374:
                if (await SPI.Interface.Flush(code))
                {
                    string file         = code.Parameter('P', FilePath.DefaultHeightmapFile);
                    string physicalFile = await FilePath.ToPhysicalAsync(file, FileDirectory.System);

                    try
                    {
                        if (await SPI.Interface.LockMovementAndWaitForStandstill(code.Channel))
                        {
                            Heightmap map;
                            try
                            {
                                map = await SPI.Interface.GetHeightmap();
                            }
                            finally
                            {
                                await SPI.Interface.UnlockAll(code.Channel);
                            }

                            if (map.NumX * map.NumY > 0)
                            {
                                await map.Save(physicalFile);

                                string virtualFile = await FilePath.ToVirtualAsync(physicalFile);

                                using (await Model.Provider.AccessReadWriteAsync())
                                {
                                    Model.Provider.Get.Move.Compensation.File = virtualFile;
                                }
                                return(new CodeResult(MessageType.Success, $"Height map saved to file {file}"));
                            }
                            return(new CodeResult());
                        }
                    }
                    catch (Exception e)
                    {
                        _logger.Debug(e, "Failed to save height map");
                        if (e is AggregateException ae)
                        {
                            e = ae.InnerException;
                        }
                        return(new CodeResult(MessageType.Error, $"Failed to save height map to file {file}: {e.Message}"));
                    }
                }
                throw new OperationCanceledException();

            // Load heightmap
            case 375:
                if (await SPI.Interface.Flush(code))
                {
                    string file         = code.Parameter('P', FilePath.DefaultHeightmapFile);
                    string physicalFile = await FilePath.ToPhysicalAsync(file, FileDirectory.System);

                    try
                    {
                        Heightmap map = new Heightmap();
                        await map.Load(physicalFile);

                        if (await SPI.Interface.LockMovementAndWaitForStandstill(code.Channel))
                        {
                            try
                            {
                                await SPI.Interface.SetHeightmap(map);
                            }
                            finally
                            {
                                await SPI.Interface.UnlockAll(code.Channel);
                            }

                            string virtualFile = await FilePath.ToVirtualAsync(physicalFile);

                            using (await Model.Provider.AccessReadWriteAsync())
                            {
                                Model.Provider.Get.Move.Compensation.File = virtualFile;
                            }

                            CodeResult result = new CodeResult();
                            using (await Model.Provider.AccessReadOnlyAsync())
                            {
                                if (Model.Provider.Get.Move.Axes.Any(axis => axis.Letter == 'Z' && !axis.Homed))
                                {
                                    result.Add(MessageType.Warning, "The height map was loaded when the current Z=0 datum was not determined. This may result in a height offset.");
                                }
                            }
                            result.Add(MessageType.Success, $"Height map loaded from file {file}");
                            return(result);
                        }
                    }
                    catch (Exception e)
                    {
                        _logger.Debug(e, "Failed to load height map");
                        if (e is AggregateException ae)
                        {
                            e = ae.InnerException;
                        }
                        return(new CodeResult(MessageType.Error, $"Failed to load height map from file {file}: {e.Message}"));
                    }
                }
                throw new OperationCanceledException();

            // Create Directory on SD-Card
            case 470:
                if (await SPI.Interface.Flush(code))
                {
                    string path = code.Parameter('P');
                    if (path == null)
                    {
                        return(new CodeResult(MessageType.Error, "Missing directory name"));
                    }
                    string physicalPath = await FilePath.ToPhysicalAsync(path);

                    try
                    {
                        Directory.CreateDirectory(physicalPath);
                    }
                    catch (Exception e)
                    {
                        _logger.Debug(e, "Failed to create directory");
                        return(new CodeResult(MessageType.Error, $"Failed to create directory {path}: {e.Message}"));
                    }
                }
                throw new OperationCanceledException();

            // Rename File/Directory on SD-Card
            case 471:
                if (await SPI.Interface.Flush(code))
                {
                    string from = code.Parameter('S');
                    string to   = code.Parameter('T');

                    try
                    {
                        string source = await FilePath.ToPhysicalAsync(from);

                        string destination = await FilePath.ToPhysicalAsync(to);

                        if (File.Exists(source))
                        {
                            if (File.Exists(destination) && code.Parameter('D', false))
                            {
                                File.Delete(destination);
                            }
                            File.Move(source, destination);
                        }
                        else if (Directory.Exists(source))
                        {
                            if (Directory.Exists(destination) && code.Parameter('D', false))
                            {
                                // This could be recursive but at the moment we mimic RRF's behaviour
                                Directory.Delete(destination);
                            }
                            Directory.Move(source, destination);
                        }
                        throw new FileNotFoundException();
                    }
                    catch (Exception e)
                    {
                        _logger.Debug(e, "Failed to rename file or directory");
                        return(new CodeResult(MessageType.Error, $"Failed to rename file or directory {from} to {to}: {e.Message}"));
                    }
                }
                throw new OperationCanceledException();

            // Store parameters
            case 500:
                if (await SPI.Interface.Flush(code))
                {
                    await ConfigOverride.Save(code);

                    return(new CodeResult());
                }
                throw new OperationCanceledException();

            // Print settings
            case 503:
                if (await SPI.Interface.Flush(code))
                {
                    string configFile = await FilePath.ToPhysicalAsync(FilePath.ConfigFile, FileDirectory.System);

                    if (File.Exists(configFile))
                    {
                        string content = await File.ReadAllTextAsync(configFile);

                        return(new CodeResult(MessageType.Success, content));
                    }

                    string configFileFallback = await FilePath.ToPhysicalAsync(FilePath.ConfigFileFallback, FileDirectory.System);

                    if (File.Exists(configFileFallback))
                    {
                        string content = await File.ReadAllTextAsync(configFileFallback);

                        return(new CodeResult(MessageType.Success, content));
                    }
                    return(new CodeResult(MessageType.Error, "Configuration file not found"));
                }
                throw new OperationCanceledException();

            // Set configuration file folder
            case 505:
                if (await SPI.Interface.Flush(code))
                {
                    string directory = code.Parameter('P');
                    if (!string.IsNullOrEmpty(directory))
                    {
                        string physicalDirectory = await FilePath.ToPhysicalAsync(directory, "sys");

                        if (Directory.Exists(physicalDirectory))
                        {
                            string virtualDirectory = await FilePath.ToVirtualAsync(physicalDirectory);

                            using (await Model.Provider.AccessReadWriteAsync())
                            {
                                Model.Provider.Get.Directories.System = virtualDirectory;
                            }
                            return(new CodeResult());
                        }
                        return(new CodeResult(MessageType.Error, "Directory not found"));
                    }

                    using (await Model.Provider.AccessReadOnlyAsync())
                    {
                        return(new CodeResult(MessageType.Success, $"Sys file path is {Model.Provider.Get.Directories.System}"));
                    }
                }
                throw new OperationCanceledException();

            // Set Name
            case 550:
                if (await SPI.Interface.Flush(code))
                {
                    // Verify the P parameter
                    string pParam = code.Parameter('P');
                    if (!string.IsNullOrEmpty(pParam))
                    {
                        if (pParam.Length > 40)
                        {
                            return(new CodeResult(MessageType.Error, "Machine name is too long"));
                        }

                        // Strip letters and digits from the machine name
                        string machineName = string.Empty;
                        foreach (char c in Environment.MachineName)
                        {
                            if (char.IsLetterOrDigit(c))
                            {
                                machineName += c;
                            }
                        }

                        // Strip letters and digits from the desired name
                        string desiredName = string.Empty;
                        foreach (char c in pParam)
                        {
                            if (char.IsLetterOrDigit(c))
                            {
                                desiredName += c;
                            }
                        }

                        // Make sure the subset of letters and digits is equal
                        if (!machineName.Equals(desiredName, StringComparison.CurrentCultureIgnoreCase))
                        {
                            return(new CodeResult(MessageType.Error, "Machine name must consist of the same letters and digits as configured by the Linux hostname"));
                        }

                        // Hostname is legit - pretend we didn't see this code so RRF can interpret it
                    }
                    break;
                }
                throw new OperationCanceledException();

            // Configure filament
            case 703:
                if (await SPI.Interface.Flush(code))
                {
                    await Model.Updater.WaitForFullUpdate(Program.CancellationToken);

                    break;
                }
                throw new OperationCanceledException();

            // Set current RTC date and time
            case 905:
                if (await SPI.Interface.Flush(code))
                {
                    bool seen = false;

                    CodeParameter pParam = code.Parameter('P');
                    if (pParam != null)
                    {
                        if (DateTime.TryParseExact(pParam, "yyyy-MM-dd", CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime date))
                        {
                            System.Diagnostics.Process.Start("timedatectl", $"set-time {date:yyyy-MM-dd}").WaitForExit();
                            seen = true;
                        }
                        else
                        {
                            return(new CodeResult(MessageType.Error, "Invalid date format"));
                        }
                    }

                    CodeParameter sParam = code.Parameter('S');
                    if (sParam != null)
                    {
                        if (DateTime.TryParseExact(sParam, "HH:mm:ss", CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime time))
                        {
                            System.Diagnostics.Process.Start("timedatectl", $"set-time {time:HH:mm:ss}").WaitForExit();
                            seen = true;
                        }
                        else
                        {
                            return(new CodeResult(MessageType.Error, "Invalid time format"));
                        }
                    }

                    if (!seen)
                    {
                        return(new CodeResult(MessageType.Success, $"Current date and time: {DateTime.Now:yyyy-MM-dd HH:mm:ss}"));
                    }
                }
                throw new OperationCanceledException();

            // Start/stop event logging to SD card
            case 929:
                if (await SPI.Interface.Flush(code))
                {
                    CodeParameter sParam = code.Parameter('S');
                    if (sParam == null)
                    {
                        using (await Model.Provider.AccessReadOnlyAsync())
                        {
                            return(new CodeResult(MessageType.Success, $"Event logging is {(Model.Provider.Get.State.LogFile != null ? "enabled" : "disabled")}"));
                        }
                    }

                    if (sParam > 0)
                    {
                        string file = code.Parameter('P', Utility.Logger.DefaultLogFile);
                        if (string.IsNullOrWhiteSpace(file))
                        {
                            return(new CodeResult(MessageType.Error, "Missing filename in M929 command"));
                        }

                        string physicalFile = await FilePath.ToPhysicalAsync(file, FileDirectory.System);

                        await Utility.Logger.Start(physicalFile);
                    }
                    else
                    {
                        await Utility.Logger.Stop();
                    }

                    return(new CodeResult());
                }
                throw new OperationCanceledException();

            // Update the firmware
            case 997:
                if (((int[])code.Parameter('S', new int[] { 0 })).Contains(0) && code.Parameter('B', 0) == 0)
                {
                    if (await SPI.Interface.Flush(code))
                    {
                        string iapFile, firmwareFile;
                        using (await Model.Provider.AccessReadOnlyAsync())
                        {
                            if (Model.Provider.Get.Boards.Count == 0)
                            {
                                return(new CodeResult(MessageType.Error, "No boards have been detected"));
                            }

                            // There are now two different IAP binaries, check which one to use
                            iapFile      = Model.Provider.Get.Boards[0].IapFileNameSBC;
                            firmwareFile = Model.Provider.Get.Boards[0].FirmwareFileName;
                        }

                        iapFile = await FilePath.ToPhysicalAsync(iapFile, FileDirectory.Firmware);

                        if (!File.Exists(iapFile))
                        {
                            return(new CodeResult(MessageType.Error, $"Failed to find IAP file {iapFile}"));
                        }

                        firmwareFile = await FilePath.ToPhysicalAsync(firmwareFile, FileDirectory.Firmware);

                        if (!File.Exists(firmwareFile))
                        {
                            return(new CodeResult(MessageType.Error, $"Failed to find firmware file {firmwareFile}"));
                        }

                        using FileStream iapStream      = new FileStream(iapFile, FileMode.Open, FileAccess.Read);
                        using FileStream firmwareStream = new FileStream(firmwareFile, FileMode.Open, FileAccess.Read);
                        await SPI.Interface.UpdateFirmware(iapStream, firmwareStream);

                        return(new CodeResult());
                    }
                    throw new OperationCanceledException();
                }
                break;

            // Request resend of line
            case 998:
                throw new NotSupportedException();

            // Reset controller - unconditional and interpreteted immediately when read
            case 999:
                if (code.Parameters.Count == 0)
                {
                    await SPI.Interface.Reset();

                    return(new CodeResult());
                }
                break;
            }
            return(null);
        }