void pwmled_init();
void pwmled_adc(unsigned char n, uint16_t adcval);
void pwmled_set_mode(unsigned char n, unsigned char mode);
-unsigned char pwmled_enabled(unsigned char n);
/* gpio.c */
void gpio_init();
void susp_gpio();
void gpio_set(unsigned char n, unsigned char on);
-void gpio_before_poweroff();
/* ambient.c */
void ambient_init();
/* buttons.c */
#define MAX_USER_PARAMS 3
void init_buttons();
+void susp_buttons();
void timer_check_buttons();
unsigned char get_user_param(unsigned char param);
pattern_t *status_pattern_select(unsigned char n);
+unsigned char buttons_wait_for_release();
/* battery.c */
extern volatile unsigned char battery_100mv;