Restructuring, refactoring.

include/render_functions.h

@@ -0,0 +1,11 @@
+#ifndef WORDCLOCK_FUNCTIONS_H
+#define WORDCLOCK_FUNCTIONS_H
+
+#include <Arduino.h>
+
+int show_string_on_clock(String message, uint32_t color);
+String split(String s, char parser, int index);
+String time_to_string(uint8_t hours, uint8_t minutes);
+void draw_minute_indicator(uint8_t minutes, uint32_t color);
+
+#endif  /* WORDCLOCK_FUNCTIONS_H */