led_driver.h

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#ifndef LED_DRIVER_H
#define LED_DRIVER_H
 
#include <stdint.h>
#include <stdbool.h>
 
 
typedef enum {
    DISP_BAR = 0,
    DISP_POINT = 1
} knob_disp_t;
 
 
typedef enum {
    SCALE_LEFT = 0, // 0-32 bar grows from the left
    SCALE_CENTER = 1  // -15 - +16, bar grows from the middle LED (0)
} knob_scale_t;
 
 
void led_init(void);
 
 
void led_update(void);
 
 
void led_refresh(void);
 
 
void led_clear(void);
 
 
void led_brightness(uint8_t brightness);
 
 
uint8_t led_get_brightness(void);
 
 
void knob_led(uint8_t channel, uint8_t knob, int8_t value);
 
 
void knob_step(uint8_t channel, uint8_t knob, int8_t delta);
 
 
void knob_disp(uint8_t channel, uint8_t knob, knob_disp_t mode);
 
 
void knob_scale(uint8_t channel, uint8_t knob, knob_scale_t mode);
 
 
int8_t knob_get(uint8_t channel, uint8_t knob);
 
 
knob_disp_t knob_get_disp(uint8_t channel, uint8_t knob);
 
 
knob_scale_t knob_get_scale(uint8_t channel, uint8_t knob);
 
 
void knob_raw(uint8_t channel, uint8_t knob, uint32_t bits);
 
 
#define knob_inc(channel, knob) knob_step((channel), (knob), +1)
#define knob_dec(channel, knob) knob_step((channel), (knob), -1)
 
 
void button_led(uint8_t channel, uint8_t button, bool on);
 
 
bool button_get(uint8_t channel, uint8_t button);
 
 
void button_mask(uint8_t channel, uint16_t mask);
 
 
typedef enum {
    ANIM_NONE = 0, ANIM_LOAD, ANIM_SWEEP, ANIM_BREATHE_KEEP, ANIM_BREATHE_ALL
} anim_t;
 
 
void anim_stop(void);
 
 
void anim_claim(anim_t a);
 
 
void anim_loading(int8_t knob);
 
void anim_sweep(uint8_t channel, uint8_t knob);
 
 
void anim_breathe(uint8_t mode);
 
 
void led_debug(bool on);
 
 
void led_print_config(void);
 
#endif