11 typedef struct display_service_impl *display_service_handle_t;
12 typedef void* display_service_config_t;
14 static display_service_handle_t display_service_create(display_service_config_t *cfg){}
15 static esp_err_t display_service_set_pattern(
void *handle,
int disp_pattern,
int value){}
16 static esp_err_t display_destroy(display_service_handle_t handle){}