#include <indev/lv_indev.h>

typedef enum {
  CMD_DISPLAY_UPDATE,
  CMD_SAVE_DATA,
  CMD_LOAD_DATA,
  CMD_REFRESH_DISPLAY,
  CMD_SYSTEM_STATUS,
} cmd_type_t;

typedef struct {
  cmd_type_t type;
  uint32_t id;
  void* data;
  size_t len;
  QueueHandle_t reply_to;  // NULL if one-way
} async_cmd_t;

extern QueueHandle_t command_queue;

typedef struct {
  uint16_t x, y;
  lv_indev_state_t state;  // LV_INDEV_STATE_PR/REL
  uint32_t timestamp;
  uint8_t gesture;         // TAP, SWIPE, LONG_PRESS
} touch_event_t;

extern QueueHandle_t touch_queue;

extern EventGroupHandle_t system_event_group;