Do not call those functions yourself, they are called internally.

aentinger · aentinger · commit fc7d4e486ec6 · 2022-01-26T07:40:58.000+01:00
diff --git a/src/Braccio++.h b/src/Braccio++.h
@@ -81,6 +81,7 @@ class BraccioClass
     return dev;
   }
 
+  /* Those functions MUST NOT be used by the user. */
   void lvgl_disp_flush(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p);
   void unlock_pd_semaphore_irq();
   void unlock_pd_semaphore();

Original file line number	Diff line number	Diff line change
`@@ -81,6 +81,7 @@ class BraccioClass`
`81`	`81`	`return dev;`
`82`	`82`	`}`
`83`	`83`
	`84`	`+ /* Those functions MUST NOT be used by the user. */`
`84`	`85`	`void lvgl_disp_flush(lv_disp_drv_t disp, const lv_area_t area, lv_color_t *color_p);`
`85`	`86`	`void unlock_pd_semaphore_irq();`
`86`	`87`	`void unlock_pd_semaphore();`