first commit

ESP32_WAVESHARE_7x5/Graph.h

@@ -0,0 +1,49 @@
+#ifndef Graph_h
+#define Graph_h
+#include <Arduino.h>
+#include "Ecran.h"
+#include "common.h"
+
+// Max series in graph
+#define MAX_SERIES  2
+
+enum SCALE {ONE_SCALE, TWO_SCALES};
+
+enum SCALE_MODE {DYNAMIC_SCALE, FIXED_SCALE};
+
+enum CHART_TYPE {TYPE_BARCHART, TYPE_LINE, TYPE_FILL_LINE};
+
+typedef struct { 
+  CHART_TYPE chart_type;
+  uint16_t color;
+  float data[max_readings];
+  int thickness; // if not barchart mode
+  int readings;
+} Serie;
+
+typedef struct { 
+  String title;
+  String x_title;
+  String y_title;
+  SCALE_MODE auto_scale; 
+  SCALE show_2_scales;
+  float Y_Min[MAX_SERIES]; 
+  float Y_Max[MAX_SERIES];
+  int auto_scale_margin; // Sets the autoscale increment, so axis steps up in units of e.g. 3
+  int y_minor_axis;      // 5 y-axis division markers
+//Draw the Y-axis scale
+  int number_of_dashes;
+  int nb_series;
+  Serie series[MAX_SERIES];
+
+} Graph_Param;
+
+class Graph { 
+  public:
+    Graph(Ecran * ecran, Graph_Param gp);  
+    void draw(int readings, int x_pos, int y_pos, int gwidth, int gheight); //float DataArray[], int readings);
+  public:
+    Ecran * ecran;
+    Graph_Param gp;
+};
+#endif