15 gboolean halfsecond_active;
16 gboolean centisecond_active;
19 void lcd_set_pixel(gint x, gint y, gboolean state);
20 void lcd_clear_display(void);
22 void enable_centisecond_timer(void);
23 void disable_centisecond_timer(void);
25 void enable_halfsecond_timer(void);
26 void disable_halfsecond_timer(void);