1 files changed, 52 insertions, 0 deletions
diff --git a/graph/graph.h b/graph/graph.h
new file mode 100644
index 00000000..d0ebd2c2
--- /dev/null
+++ b/graph/graph.h
@@ -0,0 +1,52 @@
+#ifndef GRAPH_H
+#define GRAPH_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/*
+ * Description: does draw axis arrows and grid
+ *
+ * param:
+ *		- x0, y0, x1, y1:	location of arrows
+ *		- gridX, gridY:		grid size in X and Y direction
+ *		- color:			color of arrows
+ *
+ * return: none
+ */
+void graphDrawSystem(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t gridX, uint16_t gridY, uint16_t color);
+
+/*
+ * Description: does draw coordinates into graph as dots
+ *
+ * param:
+ *		- coord:		two dimensionl array containing X and Y coordinates
+ *		- entries:		amount of coordinates passed (sizeof(coord)/sizeof(coord[0])
+ *		- radius:		size of the dots
+ *		- color:		color of the dots
+ *
+ * return: none
+ */
+void graphDrawDots(int coord[][2], uint16_t entries, uint16_t radius, uint16_t color);
+
+/*
+ * Description: does draw coordinates into graph connected by lines
+ *
+ * param:
+ *		- coord:		two dimensional array containing X and Y coordinates
+ *		- entries:		amount of coordinates passed (sizeof(coord)/sizeof(coord[0])
+ *		- radius:		if not 0, graphDrawDots() gets invoked
+ *		- lineColor:	color of the lines
+ *		- dotColor:		color of dots, if radius != 0
+ *
+ * return: none
+ */	
+void graphDrawNet(int coord[][2], uint16_t entries, uint16_t radius, uint16_t lineColor, uint16_t dotColor);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif