#ifndef NL_BOARD_H
#define NL_BOARD_H

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

/* GPIO numbers are identical to enum tls_io_name of the W600 SDK (PA_00 = 0, PB_00 = 16). */
#define NL_PB(n)    ((uint8_t)(16u + (n)))
#define NL_PIN_NONE 0xFFu

typedef enum { NL_CH_R = 0, NL_CH_G, NL_CH_B, NL_CH_CW, NL_CH_WW, NL_CH_COUNT } nl_channel_t;
typedef enum { NL_DRV_PWM = 0, NL_DRV_SM2135EH } nl_led_driver_t;

typedef struct {
    int8_t  pwm_ch;     /* PWM unit channel 0..4, -1 = channel not populated */
    uint8_t pin;        /* NL_PB(x) or NL_PIN_NONE */
    bool    active_low; /* LED lights up while the pin is low */
    bool    antiphase;  /* inverted PWM output, shifts the pulse (e27_cw cold white) */
} nl_pwm_chan_t;

typedef struct {
    const char     *id;
    const char     *name;
    nl_led_driver_t driver;
    bool            has_rgb;
    uint16_t        ct_min;      /* Kelvin, warmest */
    uint16_t        ct_max;      /* Kelvin, coldest */
    uint32_t        pwm_freq_hz; /* PWM boards */
    nl_pwm_chan_t   pwm[NL_CH_COUNT];
    uint8_t         sm_clk_pin;  /* SM2135EH boards */
    uint8_t         sm_dat_pin;
    uint8_t         sm_current;  /* (rgb_code << 4) | wy_code, see SM2135EH datasheet */
} nl_board_t;

extern const nl_board_t nl_boards[];
extern const size_t nl_boards_count;

const nl_board_t *nl_board_find(const char *id);

/* Board selected at build time via NINLIGHT_DEVICE_ID. */
const nl_board_t *nl_board_get(void);

/* Slots, die eine Lampe im DMX-Universe belegt: Dimmer + R,G,B,CW,WW bzw. Dimmer + CW,WW.
 * Steht hier, damit API, Uebernahme-Schicht und Doku dieselbe Zahl benutzen. */
uint8_t nl_board_dmx_slots(const nl_board_t *b);

#endif