1 files changed, 32 insertions, 0 deletions
diff --git a/instructables/cube8/cube.h b/instructables/cube8/cube.h
new file mode 100644
index 0000000..6eb4a2d
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+++ b/instructables/cube8/cube.h
@@ -0,0 +1,32 @@
+#ifndef CUBE_H
+#define CUBE_H
+
+// Some of the functions are created to be portable
+// These functions will work on cubes of different sizes by
+// changing this constant
+#define CUBE_SIZE 8
+#define CUBE_BYTES 64
+
+// If you change this to anything greather than 8, you also have
+// change how the cube buffer works and probably all the functions
+// in draw.c
+
+// Cube buffer
+// Data from this array is loaded onto the cube for each duty cycle
+volatile unsigned char cube[CUBE_SIZE][CUBE_SIZE];
+
+// Framebuffer
+// Animations that take a lot of time to compute are temporarily
+// stored to this array, then loaded into cube[8][8] when the image
+// is ready to be displayed
+volatile unsigned char fb[CUBE_SIZE][CUBE_SIZE];
+
+// Some effects can render on different axis
+// for example send pixels along an axis
+// for better readability, we use the following predefined constants
+#define AXIS_X 0x78
+#define AXIS_Y 0x79
+#define AXIS_Z 0x7a
+
+#endif
+