18 gboolean halfsecond_active;
19 gboolean centisecond_active;
22 void lcd_set_pixel(gint x, gint y, gboolean state);
23 void lcd_clear_display(void);
24 void lcd_update_display(void);
26 void enable_centisecond_timer(void);
27 void disable_centisecond_timer(void);
29 void enable_halfsecond_timer(void);
30 void disable_halfsecond_timer(void);