#ifndef LIGHTS_H__
#define LIGHTS_H__ 1

#define TESTING_FW 1
#define PAVLINA 1	// settings for my wife's bike

#define N_LEDS 4
#define N_STATUS_LED 1
#define N_ILLUM_LED 2
#define N_LASER_LED 4

#define N_PWMLEDS 3
#define N_PWMLED_MODES 3

#define N_BUTTONS 2

/* logging.c */
#ifdef USE_LOGGING
void init_log(unsigned char mcusr);
void log_set_state(unsigned char val);
void log_flush();
void log_byte(unsigned char byte);
void log_word(uint16_t word);
#else
void inline init_log(unsigned char mcusr) { }
void inline log_set_state(unsigned char val) { }
void inline log_flush() { }
void inline log_byte(unsigned char byte) { }
void inline log_word(uint16_t word) { }
#endif

/* adc.c */
#define PWMLED_ADC_SHIFT 1 /* 1<<1 measurements per single callback */
void init_adc();
void susp_adc();
void timer_start_slow_adcs();
extern volatile unsigned char adc_is_on;

/* pwm.c */
/*
 * The real Timer/Counter 1 frequency should not be too close to the
 * A/D converter frequency (125 kHz). Note that this is not the Top
 * value of T/C 1, it is shifted by PWM_STEP_SHIFT as described in pwm.c
 */
#define PWM_MAX 0x780
extern volatile unsigned char channels_running;
#define PWM_IS_ON(n)	(channels_running & (1 << (n)))
#define TIMER1_IS_ON()	(channels_running)
void init_pwm();
void susp_pwm();
void pwm_off(unsigned char n);
void pwm_set(unsigned char n, uint16_t stride);
void pwm_timer();
void pwm_disable_if_not_needed();

/* tmr.c */
extern volatile uint16_t jiffies;
void init_tmr();
void susp_tmr();

/* pwmled.c */
void init_pwmled();
void pwmled_adc(unsigned char n, uint16_t adcval);
void pwmled_set_mode(unsigned char n, unsigned char mode);
void pwmled_set_brightness(uint16_t brightness);
#define PWMLED_BRIGHTNESS(l0_lo, l0_hi, l1, l2_lo, l2_hi) ( \
	   (uint16_t)(l0_lo) \
	| ((uint16_t)(l0_hi) << 3) \
	| ((uint16_t)(l1)    << 6) \
	| ((uint16_t)(l2_lo) << 9) \
	| ((uint16_t)(l2_hi) << 12) \
	)

/* gpio.c */
void init_gpio();
void susp_gpio();
void gpio_set(unsigned char n, unsigned char on);

/* ambient.c */
#define AMBIENT_ADC_SHIFT 0	/* 1 measurement per callback */
#define N_AMBIENT_ZONES 4
void init_ambient();
void susp_ambient();
void ambient_log_min_max();
extern volatile unsigned char ambient_zone, ambient_shadow;
void ambient_adc(uint16_t adc_val);

/* pattern.c */
typedef struct {
	unsigned char mode: 5;
	unsigned char duration_fib: 3;
} pattern_t;

#define PATTERN_END { 0, 0 }
#define D_1 1
#define D_2 2
#define D_3 3
#define D_5 4
#define D_8 5
#define D_13 6
#define D_21 7

#define PWM_PAT(L2, L1, L0)	( \
	(((L2) & 3) << 3) | \
	(((L1) & 1) << 2) | \
	(((L0) & 3)) )

void init_pattern();
void patterns_next_tick();
void led_set_pattern(unsigned char led, pattern_t *pattern);
pattern_t *number_pattern(unsigned char num, unsigned char inv);
void pattern_reload();
void pwmleds_update_mode();

/* buttons.c */
#define N_USER_PARAMS 3
void init_buttons();
void susp_buttons();
void timer_check_buttons();
void button_adc(uint16_t adcval);
unsigned char get_user_param(unsigned char param);
unsigned char buttons_wait_for_release();
unsigned char buttons_setup_in_progress();
pattern_t *buttons_setup_status0_pattern_select();
pattern_t *buttons_setup_status1_pattern_select();

/* battery.c */
void battery_adc();
void init_battery();
unsigned char battery_gauge();

/* control.c */
extern pattern_t on_pattern[];
typedef union {
	unsigned char any_flag;
	struct {
		unsigned char booting : 1;
		unsigned char braking : 1;
		unsigned char err_battery : 1;
		unsigned char err_pwmled0 : 1;
		unsigned char err_pwmled1 : 1;
		unsigned char err_pwmled2 : 1;
	};
} err_flags_t;
extern volatile err_flags_t err_flags;

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();

/* main.c */
void power_down(unsigned char err);

#endif /* !LIGHTS_H__ */