libraries/Arduino_H7_Video: Update examples.

Handle begin() failing.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Author: iabdalkader

libraries/Arduino_H7_Video/examples/ArduinoLogo/ArduinoLogo.ino

@@ -22,12 +22,23 @@ Arduino_H7_Video Display(800, 480, GigaDisplayShield);
 
 Image img_arduinologo(ENCODING_RGB16, (uint8_t *) texture_raw, 300, 300);
 
+void error() {
+    while (true) {
+        digitalWrite(LEDR, LOW);
+        delay(500);
+        digitalWrite(LEDR, HIGH);
+        delay(500);
+    }
+}
+
 void setup() {
-  Display.begin();
+  if (Display.begin()) {
+      error();
+  }
 
   Display.beginDraw();
   Display.image(img_arduinologo, (Display.width() - img_arduinologo.width())/2, (Display.height() - img_arduinologo.height())/2);
   Display.endDraw();
 }
 
-void loop() { }
+void loop() { }

libraries/Arduino_H7_Video/examples/ArduinoLogoDrawing/ArduinoLogoDrawing.ino

@@ -11,9 +11,20 @@
 Arduino_H7_Video Display(800, 480, GigaDisplayShield);
 //Arduino_H7_Video Display(1024, 768, USBCVideo);
 
+void error() {
+    while (true) {
+        digitalWrite(LEDR, LOW);
+        delay(500);
+        digitalWrite(LEDR, HIGH);
+        delay(500);
+    }
+}
+
 void setup() {
-  Display.begin();
-  
+  if (Display.begin()) {
+      error();
+  }
+
   Display.beginDraw();
   Display.background(255, 255, 255);
   Display.clear();
@@ -34,4 +45,4 @@ void setup() {
   Display.endDraw();
 }
 
-void loop() { }
+void loop() { }

libraries/Arduino_H7_Video/examples/LVGLDemo/LVGLDemo.ino

@@ -28,10 +28,22 @@ static void set_slider_val(void * bar, int32_t val) {
   lv_bar_set_value((lv_obj_t *)bar, val, LV_ANIM_ON);
 }
 
+void error() {
+    while (true) {
+        digitalWrite(LEDR, LOW);
+        delay(500);
+        digitalWrite(LEDR, HIGH);
+        delay(500);
+    }
+}
+
 void setup() {
   Serial.begin(115200);
 
-  Display.begin();
+  if (Display.begin()) {
+      error();
+  }
+
   TouchDetector.begin();
 
   /* Create a container with grid 2x2 */
@@ -140,4 +152,4 @@ void setup() {
 void loop() { 
   /* Feed LVGL engine */
   lv_timer_handler();
-}
+}