Diff: lvgl_f746ng.cpp

Revision:

0:cffa136e7f8f

Child:

1:a23fffad1321

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lvgl_f746ng.cpp	Tue Sep 08 05:23:58 2020 +0000
@@ -0,0 +1,64 @@
+/**
+ * @file lvgl_f746ng.cpp
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "mbed.h"
+#include "lvgl_f746ng.h"
+#include <cstdio>
+#include "../lvgl/lvgl.h"
+#include "lv_port_disp.h"
+#include "lv_port_indev.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+void lv_ticker_func(void);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+Ticker lvgl_ticker;  // mbed Ticker for lvgl
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+/* Initialize lvgl + target port specifics + mbed ticker. */
+void lvgl_f746ng_init()
+{
+    debug("lvgl_f746ng_init\r\n"); 
+    lv_init();                                  //Initialize the LittlevGL
+    lv_port_disp_init();                        //Initialize diplay 
+    lv_port_indev_init();                       //Initialize touchpad
+    lvgl_ticker.attach(callback(&lv_ticker_func), 10ms); //Attach callback to ticker
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+/* Callback function for lvgl timing. */
+void lv_ticker_func()
+{
+    //Call lv_tick_inc(x) every x milliseconds in a Timer or Task (x should be between 1 and 10). 
+    //It is required for the internal timing of LittlevGL.
+    lv_tick_inc(10); 
+    //Call lv_task_handler() periodically every few milliseconds. 
+    //It will redraw the screen if required, handle input devices etc.
+    lv_task_handler(); 
+}