1 files changed, 65 insertions, 0 deletions
diff --git a/src/GCodes/GCodeMachineState.h b/src/GCodes/GCodeMachineState.h
new file mode 100644
index 00000000..3e60f661
--- /dev/null
+++ b/src/GCodes/GCodeMachineState.h
@@ -0,0 +1,65 @@
+/*
+ * GCodeMachineState.h
+ *
+ *  Created on: 15 Nov 2016
+ *      Author: David
+ */
+
+#ifndef SRC_GCODES_GCODEMACHINESTATE_H_
+#define SRC_GCODES_GCODEMACHINESTATE_H_
+
+#include <cstdint>
+#include "Configuration.h"
+#include "Storage/FileData.h"
+
+// Enumeration to list all the possible states that the Gcode processing machine may be in
+enum class GCodeState : uint8_t
+{
+	normal,												// not doing anything and ready to process a new GCode
+	waitingForMoveToComplete,							// doing a homing move, so we must wait for it to finish before processing another GCode
+	homing,
+	setBed1,
+	setBed2,
+	setBed3,
+	toolChange1,
+	toolChange2,
+	toolChange3,
+	pausing1,
+	pausing2,
+	resuming1,
+	resuming2,
+	resuming3,
+	flashing1,
+	flashing2,
+	stopping,
+	sleeping
+};
+
+// Class to hold the state of gcode execution for some input source
+class GCodeMachineState
+{
+public:
+	GCodeMachineState();
+
+	GCodeMachineState *previous;
+	float feedrate;
+	FileData fileState;
+	uint32_t lockedResources;
+	GCodeState state;
+	bool drivesRelative;
+	bool axesRelative;
+	bool doingFileMacro;
+
+	static GCodeMachineState *Allocate()
+	post(!result.IsLive(); result.state == GCodeState::normal);
+
+	static void Release(GCodeMachineState *ms);
+	static unsigned int GetNumAllocated() { return numAllocated; }
+	static unsigned int GetNumInUse();
+
+private:
+	static GCodeMachineState *freeList;
+	static unsigned int numAllocated;
+};
+
+#endif /* SRC_GCODES_GCODEMACHINESTATE_H_ */