Encapsulate all LVGL library calls within examples/tutorials with lvgl_lock/lvgl_unlock.

examples/tutorials/lessons/01-programming-the-braccio-display/01_creating_a_button/01_creating_a_button.ino

@@ -1,12 +1,14 @@
  #include <Braccio++.h>
 
 void customMenu() {
+  Braccio.lvgl_lock();
   lv_obj_t * btn1 = lv_btn_create(lv_scr_act());
   lv_obj_set_size(btn1, 120, 75);
   lv_obj_t * label1 = lv_label_create(btn1);
   lv_label_set_text(label1, "BTN 1");
   lv_obj_align(btn1, LV_ALIGN_CENTER, 0, 0);
   lv_obj_center(label1);
+  Braccio.lvgl_unlock();
 }
 
 void setup() {

examples/tutorials/lessons/01-programming-the-braccio-display/02_designing_the_button/02_designing_the_button.ino

@@ -9,6 +9,7 @@
 
 
 void customMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style;
   lv_style_init(&style);
   lv_style_set_bg_color(&style, lv_color_hex(COLOR_WHITE));
@@ -26,6 +27,7 @@ void customMenu() {
   lv_obj_center(label1);
 
   lv_obj_add_style(btn1, &style, 0);
+  Braccio.lvgl_unlock();
 }
 
 void setup() {

examples/tutorials/lessons/01-programming-the-braccio-display/03_creating_a_menu/03_creating_a_menu.ino

@@ -15,6 +15,7 @@ static const char * btnm_map[] = {"OPTION 1", "OPTION 2", "\n",
                                  };
 
 void customMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_LIGHT_TEAL));
@@ -33,6 +34,7 @@ void customMenu() {
 
   lv_obj_add_style(btnm1, &style_bg, 0);
   lv_obj_add_style(btnm1, &style_btn, LV_PART_ITEMS);
+  Braccio.lvgl_unlock();
 }
 
 void setup() {

examples/tutorials/lessons/01-programming-the-braccio-display/04_testing_it_out/04_testing_it_out.ino

@@ -13,7 +13,8 @@ static const char * btnm_map[] = {"OPTION 1", "OPTION 2", "OPTION 3", "\n",
                                    "OPTION 4", "OPTION 5", "\0"
                                  };
 
-void customMenu(){
+void customMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_LIGHT_TEAL));
@@ -33,6 +34,7 @@ void customMenu(){
 
   lv_obj_add_style(btnm1, &style_bg, 0);
   lv_obj_add_style(btnm1, &style_btn, LV_PART_ITEMS);
+  Braccio.lvgl_unlock();
 }
 
 void setup() {

examples/tutorials/lessons/01-programming-the-braccio-display/05_display_challenge/05_display_challenge.ino

@@ -14,6 +14,7 @@ static const char * btnm_map[] = {"BTN 1", "\n",
                                  };
 
 void customMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_BG));
@@ -33,6 +34,7 @@ void customMenu() {
 
   lv_obj_add_style(btnm1, &style_bg, 0);
   lv_obj_add_style(btnm1, &style_btn, LV_PART_ITEMS);
+  Braccio.lvgl_unlock();
 }
 
 void setup() {

examples/tutorials/lessons/02-navigatting-the-display-menu/02_handling_events_in_the_menu/02_handling_events_in_the_menu.ino

@@ -15,7 +15,8 @@ static const char * btnm_map[] = {"Option 1", "Option 2", "\n",
                                   "Option 5", "Option 6", "\0"
                                  };
 
-static void eventHandler(lv_event_t * e){
+static void eventHandler(lv_event_t * e) {
+  Braccio.lvgl_lock();
   lv_event_code_t code = lv_event_get_code(e);
   lv_obj_t * obj = lv_event_get_target(e);
   if (code == LV_EVENT_PRESSED) {
@@ -25,9 +26,11 @@ static void eventHandler(lv_event_t * e){
     LV_LOG_USER("%s was selected\n", txt);
     Serial.println(String(txt) + " was selected.");
   }
+  Braccio.lvgl_unlock();
 }
 
-void customMenu(){
+void customMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_WHITE));
@@ -57,7 +60,8 @@ void customMenu(){
   lv_btnmatrix_set_one_checked(btnm1, true);
 
   lv_obj_add_event_cb(btnm1, eventHandler, LV_EVENT_ALL, NULL);
-
+  Braccio.lvgl_unlock();
+
   Braccio.connectJoystickTo(btnm1);
 }
 

examples/tutorials/lessons/02-navigatting-the-display-menu/03_navigate_challenge_I/03_navigate_challenge_I.ino

@@ -15,7 +15,8 @@ static const char * btnm_map[] = {"Option 1", "Option 2", "\n",
                                   "Option 5", "Option 6", "\0"
                                  };
 
-static void eventHandler(lv_event_t * e){
+static void eventHandler(lv_event_t * e) {
+  Braccio.lvgl_lock();
   lv_event_code_t code = lv_event_get_code(e);
   lv_obj_t * obj = lv_event_get_target(e);
   if (code == LV_EVENT_PRESSING) {
@@ -25,9 +26,11 @@ static void eventHandler(lv_event_t * e){
     LV_LOG_USER("%s is pressed\n", txt);
     Serial.println(String(txt) + " is pressed.");
   }
+  Braccio.lvgl_unlock();
 }
 
-void customMenu(){
+void customMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_LIGHT_TEAL));
@@ -57,6 +60,7 @@ void customMenu(){
   lv_btnmatrix_set_one_checked(btnm1, true);
 
   lv_obj_add_event_cb(btnm1, eventHandler, LV_EVENT_ALL, NULL);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(btnm1);
 }

examples/tutorials/lessons/02-navigatting-the-display-menu/04_navigate_challenge_II/04_navigate_challenge_II.ino

@@ -15,7 +15,8 @@ static const char * btnm_map[] = {"Option 1", "Option 2", "\n",
                                   "Option 5", "Option 6", "\0"
                                  };
 
-static void eventHandler(lv_event_t * e){
+static void eventHandler(lv_event_t * e) {
+  Braccio.lvgl_lock();
   lv_event_code_t code = lv_event_get_code(e);
   lv_obj_t * obj = lv_event_get_target(e);
   if (code == LV_EVENT_RELEASED) {
@@ -25,9 +26,11 @@ static void eventHandler(lv_event_t * e){
     LV_LOG_USER("%s was released\n", txt);
     Serial.println(String(txt) + " was released.");
   }
+  Braccio.lvgl_unlock();
 }
 
-void customMenu(){
+void customMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_LIGHT_TEAL));
@@ -57,6 +60,7 @@ void customMenu(){
   lv_btnmatrix_set_one_checked(btnm1, true);
 
   lv_obj_add_event_cb(btnm1, eventHandler, LV_EVENT_ALL, NULL);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(btnm1);
 }

examples/tutorials/lessons/04-integration-of-previous-learnings/01_playing_with_a_joint_angle_gauge/01_playing_with_a_joint_angle_gauge.ino

@@ -23,12 +23,15 @@ lv_meter_indicator_t * indic;
 
 static void eventHandlerMeter(lv_event_t * e) {
   /* Set the meter value */
+  Braccio.lvgl_lock();
   lv_meter_set_indicator_end_value(meter, indic, (int32_t)angles[motorID - 1]);
+  Braccio.lvgl_unlock();
 }
 
 
 void meterScreen(void)
 {
+  Braccio.lvgl_lock();
   meter = lv_meter_create(lv_scr_act());
 
   lv_obj_center(meter);
@@ -52,6 +55,7 @@ void meterScreen(void)
   indic = lv_meter_add_arc(meter, scale, 10, lv_color_hex(COLOR_LIGHT_TEAL), 0);
 
   lv_obj_add_event_cb(meter, eventHandlerMeter, LV_EVENT_KEY, NULL);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(meter);
 }

examples/tutorials/lessons/04-integration-of-previous-learnings/02_selecting_the_motor_in_the_LCD_menu/02_selecting_the_motor_in_the_LCD_menu.ino

@@ -58,6 +58,7 @@ static void eventHandlerMenu(lv_event_t * e) {
 // Screens functions
 void meterScreen(void)
 {
+  Braccio.lvgl_lock();
   meter = lv_meter_create(lv_scr_act());
 
   lv_obj_center(meter);
@@ -83,11 +84,13 @@ void meterScreen(void)
   lv_obj_add_event_cb(meter, eventHandlerMeter, LV_EVENT_KEY, NULL);
 
   lv_meter_set_indicator_end_value(meter, indic, (int32_t)angles[motorID - 1]);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(meter);
 }
 
 void motorMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_WHITE));
@@ -116,6 +119,7 @@ void motorMenu() {
   lv_btnmatrix_set_one_checked(btnm, true);
 
   lv_obj_add_event_cb(btnm, eventHandlerMenu, LV_EVENT_PRESSED, NULL);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(btnm);
 }

examples/tutorials/lessons/04-integration-of-previous-learnings/03_learnings_challenge_I/03_learnings_challenge_I.ino

@@ -58,6 +58,7 @@ static void eventHandlerMenu(lv_event_t * e) {
 // Screens functions
 void meterScreen(void)
 {
+  Braccio.lvgl_lock();
   meter = lv_meter_create(lv_scr_act());
 
   lv_obj_center(meter);
@@ -83,11 +84,13 @@ void meterScreen(void)
   lv_obj_add_event_cb(meter, eventHandlerMeter, LV_EVENT_KEY, NULL);
 
   lv_meter_set_indicator_end_value(meter, indic, (int32_t)angles[motorID - 1]);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(meter);
 }
 
 void motorMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_WHITE));
@@ -116,6 +119,7 @@ void motorMenu() {
   lv_btnmatrix_set_one_checked(btnm, true);
 
   lv_obj_add_event_cb(btnm, eventHandlerMenu, LV_EVENT_PRESSED, NULL);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(btnm);
 }

examples/tutorials/lessons/04-integration-of-previous-learnings/04_learnings_challenge_II/04_learnings_challenge_II.ino

@@ -58,6 +58,7 @@ static void eventHandlerMenu(lv_event_t * e) {
 // Screens functions
 void meterScreen(void)
 {
+  Braccio.lvgl_lock();
   meter = lv_meter_create(lv_scr_act());
 
   lv_obj_center(meter);
@@ -83,11 +84,13 @@ void meterScreen(void)
   lv_obj_add_event_cb(meter, eventHandlerMeter, LV_EVENT_KEY, NULL);
 
   lv_meter_set_indicator_end_value(meter, indic, (int32_t)angles[motorID - 1]);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(meter);
 }
 
 void motorMenu() {
+  Braccio.lvgl_lock();
   static lv_style_t style_bg;
   lv_style_init(&style_bg);
   lv_style_set_bg_color(&style_bg, lv_color_hex(COLOR_WHITE));
@@ -116,6 +119,7 @@ void motorMenu() {
   lv_btnmatrix_set_one_checked(btnm, true);
 
   lv_obj_add_event_cb(btnm, eventHandlerMenu, LV_EVENT_PRESSED, NULL);
+  Braccio.lvgl_unlock();
 
   Braccio.connectJoystickTo(btnm);
 }