#ifndef APP_H
#define APP_H

#include <stdint.h>

enum fsp_cmd_code {
  FSP_CMD_GET_GAUGE_COUNT = 1,
  FSP_CMD_SET_GAUGE       = 2,
  FSP_CMD_GET_GAUGE       = 3,
  FSP_CMD_FAIL            = 255,
};

struct fsp_get_gauge_count_req {
};

struct fsp_get_gauge_count_res {
  uint8_t count;
};

struct fsp_set_gauge_req {
  uint8_t gauge;
  uint8_t value;
};

struct fsp_set_gauge_res {
};

struct fsp_get_gauge_req {
  uint8_t gauge;
};

struct fsp_get_gauge_res {
  uint8_t gauge;
  uint8_t value;
};

struct fsp_req {
  uint8_t code;
  union {
    struct fsp_get_gauge_count_req get_gauge_count;
    struct fsp_get_gauge_req get_gauge;
    struct fsp_set_gauge_req set_gauge;
  };
};

struct fsp_res {
  uint8_t len;
  uint8_t code;
  union {
    struct fsp_get_gauge_count_res get_gauge_count;
    struct fsp_get_gauge_res get_gauge;
    struct fsp_set_gauge_res set_gauge;
  };
};

bool send_ctrl(struct fsp_res *res);

void on_gauge_data(uint8_t *data, uint8_t len);
void on_gauge_ctrl(uint8_t *data, uint8_t len);

#endif