+void init_battery();
+unsigned char battery_gauge();
+
+/* control.c */
+extern pattern_t on_pattern[];
+extern volatile unsigned char braking;
+
+void init_control();
+void brake_on();
+void brake_off();
+void toggle_dim_mode();
+void set_panic_mode();
+pattern_t *pwmled_pattern_select();
+pattern_t *status_led_pattern_select();
+pattern_t *illumination_led_pattern_select();
+pattern_t *laser_pattern_select();
+void pwmled_select_brightness();