156aa79c07
Introduced new file upload protocol that doesn't use gcodes and allows upload errors to be reported back. Changed file system interface in Platform to return success/fail status of Write and Close calls to support this.
244 lines
6.9 KiB
C++
244 lines
6.9 KiB
C++
/****************************************************************************************************
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RepRapFirmware - G Codes
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This class interprets G Codes from one or more sources, and calls the functions in Move, Heat etc
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that drive the machine to do what the G Codes command.
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-----------------------------------------------------------------------------------------------------
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Version 0.1
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13 February 2013
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Adrian Bowyer
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RepRap Professional Ltd
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http://reprappro.com
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Licence: GPL
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****************************************************************************************************/
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#ifndef GCODES_H
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#define GCODES_H
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#define STACK 5
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#define GCODE_LENGTH 100 // Maximum length of internally-generated G Code string
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#define GCODE_LETTERS { 'X', 'Y', 'Z', 'E', 'F' } // The drives and feedrate in a GCode
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// Small class to hold an individual GCode and provide functions to allow it to be parsed
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class GCodeBuffer
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{
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public:
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GCodeBuffer(Platform* p, const char* id);
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void Init();
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bool Put(char c);
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bool Seen(char c);
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float GetFValue();
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int GetIValue();
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long GetLValue();
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const char* GetUnprecedentedString();
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const char* GetString();
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const char* Buffer();
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bool Finished() const;
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void SetFinished(bool f);
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const char* WritingFileDirectory() const;
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void SetWritingFileDirectory(const char* wfd);
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private:
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int CheckSum();
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Platform* platform;
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char gcodeBuffer[GCODE_LENGTH];
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const char* identity;
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int gcodePointer;
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int readPointer;
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bool inComment;
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bool finished;
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const char* writingFileDirectory;
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};
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//****************************************************************************************************
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// The GCode interpreter
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class GCodes
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{
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public:
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GCodes(Platform* p, Webserver* w);
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void Spin();
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void Init();
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void Exit();
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void Reset();
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bool RunConfigurationGCodes();
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bool ReadMove(float* m, bool& ce);
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void QueueFileToPrint(const char* fileName);
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void DeleteFile(const char* fileName);
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bool GetProbeCoordinates(int count, float& x, float& y, float& z);
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char* GetCurrentCoordinates();
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bool PrintingAFile() const;
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void Diagnostics();
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bool HaveIncomingData() const;
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bool GetAxisIsHomed(uint8_t axis) const { return axisIsHomed[axis]; }
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void SetAxisIsHomed(uint8_t axis) { axisIsHomed[axis] = true; }
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float GetExtruderPosition(uint8_t extruder) const;
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private:
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void doFilePrint(GCodeBuffer* gb);
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bool AllMovesAreFinishedAndMoveBufferIsLoaded();
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bool DoCannedCycleMove(bool ce);
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bool DoFileCannedCycles(const char* fileName);
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bool FileCannedCyclesReturn();
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bool ActOnGcode(GCodeBuffer* gb);
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bool HandleGcode(GCodeBuffer* gb);
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bool HandleMcode(GCodeBuffer* gb);
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bool HandleTcode(GCodeBuffer* gb);
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int SetUpMove(GCodeBuffer* gb);
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bool DoDwell(GCodeBuffer *gb);
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bool DoDwellTime(float dwell);
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bool DoHome(char *reply, bool& error);
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bool DoSingleZProbeAtPoint();
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bool DoSingleZProbe();
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bool SetSingleZProbeAtAPosition(GCodeBuffer *gb);
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bool DoMultipleZProbe();
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bool SetPrintZProbe(GCodeBuffer *gb, char *reply);
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bool SetOffsets(GCodeBuffer *gb);
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bool SetPositions(GCodeBuffer *gb);
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void LoadMoveBufferFromGCode(GCodeBuffer *gb, bool doingG92, bool applyLimits);
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bool NoHome() const;
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bool Push();
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bool Pop();
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bool DisableDrives();
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bool StandbyHeaters();
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void SetEthernetAddress(GCodeBuffer *gb, int mCode);
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void HandleReply(bool error, bool fromLine, const char* reply, char gMOrT, int code, bool resend);
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bool OpenFileToWrite(const char* directory, const char* fileName, GCodeBuffer *gb);
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void WriteGCodeToFile(GCodeBuffer *gb);
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bool SendConfigToLine();
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void WriteHTMLToFile(char b, GCodeBuffer *gb);
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bool OffsetAxes(GCodeBuffer *gb);
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void SetPidParameters(GCodeBuffer *gb, int heater, char reply[STRING_LENGTH]);
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void SetHeaterParameters(GCodeBuffer *gb, char reply[STRING_LENGTH]);
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int8_t Heater(int8_t head) const;
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Platform* platform;
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bool active;
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Webserver* webserver;
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float dwellTime;
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bool dwellWaiting;
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GCodeBuffer* webGCode;
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GCodeBuffer* fileGCode;
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GCodeBuffer* serialGCode;
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GCodeBuffer* cannedCycleGCode;
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bool moveAvailable;
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float moveBuffer[DRIVES+1]; // Last is feed rate
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bool checkEndStops;
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bool drivesRelative; // All except X, Y and Z
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bool axesRelative; // X, Y and Z
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bool drivesRelativeStack[STACK];
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bool axesRelativeStack[STACK];
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float feedrateStack[STACK];
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FileData fileStack[STACK];
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int8_t stackPointer;
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char gCodeLetters[DRIVES + 1]; // Extra is for F
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float lastPos[DRIVES - AXES]; // Just needed for relative moves.
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float record[DRIVES+1];
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float moveToDo[DRIVES+1];
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bool activeDrive[DRIVES+1];
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bool offSetSet;
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float distanceScale;
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FileData fileBeingPrinted;
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FileData fileToPrint;
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FileStore* fileBeingWritten;
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FileStore* configFile;
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bool doingCannedCycleFile;
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char* eofString;
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uint8_t eofStringCounter;
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uint8_t eofStringLength;
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int8_t selectedHead;
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bool homeX;
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bool homeY;
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bool homeZ;
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float gFeedRate;
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int probeCount;
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int8_t cannedCycleMoveCount;
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bool cannedCycleMoveQueued;
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bool zProbesSet;
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float longWait;
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bool limitAxes; // Don't think outside the box.
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bool axisIsHomed[3]; // these record which of the axes have been homed
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bool waitingForMoveToComplete;
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bool coolingInverted;
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float speedFactor; // speed factor, including the conversion from mm/min to mm/sec, normally 1/60
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float extrusionFactor; // extrusion factor, normally 1.0
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};
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//*****************************************************************************************************
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// Get an Int after a G Code letter
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inline int GCodeBuffer::GetIValue()
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{
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return (int)GetLValue();
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}
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inline const char* GCodeBuffer::Buffer()
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{
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return gcodeBuffer;
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}
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inline bool GCodeBuffer::Finished() const
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{
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return finished;
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}
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inline void GCodeBuffer::SetFinished(bool f)
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{
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finished = f;
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}
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inline const char* GCodeBuffer::WritingFileDirectory() const
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{
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return writingFileDirectory;
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}
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inline void GCodeBuffer::SetWritingFileDirectory(const char* wfd)
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{
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writingFileDirectory = wfd;
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}
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inline bool GCodes::PrintingAFile() const
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{
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return fileBeingPrinted.IsLive();
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}
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inline bool GCodes::HaveIncomingData() const
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{
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return fileBeingPrinted.IsLive() || webserver->GCodeAvailable() || (platform->GetLine()->Status() & byteAvailable);
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}
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inline bool GCodes::NoHome() const
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{
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return !(homeX || homeY || homeZ);
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}
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// This function takes care of the fact that the heater and head indices
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// don't match because the bed is heater 0.
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inline int8_t GCodes::Heater(int8_t head) const
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{
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return head+1;
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}
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// Run the configuration G Code file to set up the machine. Usually just called once
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// on re-boot.
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inline bool GCodes::RunConfigurationGCodes()
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{
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return !DoFileCannedCycles(platform->GetConfigFile());
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}
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#endif
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