4 static void cont_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
7 static void btn_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
8 static void indicator_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
77 static void cont_observer_cb(lv_observer_t * observer, lv_subject_t * subject)  in cont_observer_cb()  argument
79     int32_t prev_v = lv_subject_get_previous_int(subject);  in cont_observer_cb()
80     int32_t cur_v = lv_subject_get_int(subject);  in cont_observer_cb()
173 static void btn_observer_cb(lv_observer_t * observer, lv_subject_t * subject)  in btn_observer_cb()  argument
175     int32_t prev_v = lv_subject_get_previous_int(subject);  in btn_observer_cb()
176     int32_t cur_v = lv_subject_get_int(subject);  in btn_observer_cb()
185 static void indicator_observer_cb(lv_observer_t * observer, lv_subject_t * subject)  in indicator_observer_cb()  argument
187     int32_t cur_v = lv_subject_get_int(subject);  in indicator_observer_cb()