174 lines
4 KiB
C++
174 lines
4 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_LETTERS { 'X', 'Y', 'Z', 'E', 'F' } // The drives and feedrate in a GCode
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// Small class to hold an individual GCode
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class GCodeBuffer
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{
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public:
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GCodeBuffer(Platform* p, 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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char* GetString();
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char* Buffer();
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bool Finished();
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void SetFinished(bool f);
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private:
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Platform* platform;
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char gcodeBuffer[GCODE_LENGTH];
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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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};
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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 RunConfigurationGCodes();
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bool ReadMove(float* m, bool& ce);
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bool ReadHeat(float* h);
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void QueueFileToPrint(char* fileName);
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bool GetProbeCoordinates(int count, float& x, float& y, float& z);
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bool PrintingAFile();
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void Diagnostics();
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private:
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bool AllMovesAreFinishedAndMoveBufferIsLoaded();
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bool ActOnGcode(GCodeBuffer* gb);
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bool SetUpMove(GCodeBuffer* gb);
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bool DoDwell(GCodeBuffer *gb);
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bool DoHome();
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bool DoSingleZProbe();
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bool DoMultipleZProbe();
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bool SetOffsets(GCodeBuffer *gb);
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bool SetPositions(GCodeBuffer *gb);
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void LoadMoveBufferFromGCode(GCodeBuffer *gb);
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bool NoHome();
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bool Push();
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bool Pop();
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int8_t Heater(int8_t head);
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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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// bool webGCodeFinished;
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// bool fileGCodeFinished;
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bool moveAvailable;
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bool heatAvailable;
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float moveBuffer[DRIVES+1]; // Last is feedrate
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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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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 distanceScale;
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FileStore* fileBeingPrinted;
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FileStore* fileToPrint;
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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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bool homeXQueued;
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bool homeYQueued;
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bool homeZQueued;
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float gFeedRate;
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int probeCount;
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int8_t probeMoveCount;
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bool probeMoveQueued;
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float bedZs[NUMBER_OF_PROBE_POINTS];
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bool zProbesSet;
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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 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()
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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 bool GCodes::PrintingAFile()
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{
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return fileBeingPrinted != NULL;
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}
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inline bool GCodes::NoHome()
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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)
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{
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return head+1;
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}
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#endif
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