void led_set_pattern(unsigned char led, pattern_t *pattern);
pattern_t *number_pattern(unsigned char num);
/* buttons.c */
#define MAX_USER_PARAMS 3
void init_buttons();
void led_set_pattern(unsigned char led, pattern_t *pattern);
pattern_t *number_pattern(unsigned char num);
/* buttons.c */
#define MAX_USER_PARAMS 3
void init_buttons();