 char _sbuf[256];
 char _sbuf2[64];
 
-uint16_t now = 0;
-uint16_t checkpoint;
+millis_t now = 0;
+millis_t checkpoint;
+
+typedef enum {
+  OK,
+  ERROR,
+  ERROR_SYNC_TIMEOUT,
+};
 
 typedef enum {
   SCREEN_WATCH,

  }


  uint16_t t = millis();
  now += t - checkpoint;
  checkpoint = t;
}


#define SLEEP_TIME_MS       (250)


SSD1331 oled = SSD1331(cs, dc, mosi, sclk);

char *test_menu[] = {"hello", "world", "here be", "dragons", NULL};
