/// <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);
}
/// <summary> /// Retrieves file information from the given filename /// </summary> /// <returns>File info</returns> public override Task <ParsedFileInfo> Execute() => InfoParser.Parse(FileName);
/// <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"));
}
}
}
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 = Settings.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:
if (await SPI.Interface.Flush(code))
{
if (code.Parameter('P', 0) == 0)
{
// M21 (P0) will always work because it's always mounted
return(new CodeResult());
}
throw new NotSupportedException();
}
throw new OperationCanceledException();
// 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(Program.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(Program.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[1..]));
