 
   power_spi_enable();
   uint8_t changes = watch_tick(now);
+
+  batlog_tick(changes);
 
   Screen nextscreen = currentScreen;
 

  power_timer1_disable();
  power_timer2_disable();
  power_timer3_disable();

  now = 0;
  checkpoint = millis();
  currentScreen = SCREEN_WATCH;
}

void loop() {


    case SCREEN_WATCH:
      watch_show(changes);
      break;
  }

  uint16_t t = millis();
