Added button read commands to example code lcd.cpp

dehavenm · May 30, 2019 · ace4ee2 · ace4ee2
1 parent 3b0170b
commit ace4ee2
Showing 1 changed file with 35 additions and 1 deletion.
diff --git a/example/lcd.cpp b/example/lcd.cpp
@@ -18,7 +18,7 @@ int main() {
 
   lcd.home();
 
-  lcd.setBacklight(BLUE);
+  lcd.setBacklight(WHITE);
 
   lcd.cursor();
 
@@ -27,6 +27,40 @@ int main() {
 
   lcd.print("Hello, world!\nJetson Xavier");
 
+  uint8_t button_data;
+
+  while (true) //press Ctrl-C to exit
+  {
+    //read button data
+    button_data = lcd.readButtons();
+
+    if (button_data) {
+    lcd.clearDisplay();
+    lcd.setCursor(0,0);
+    if (button_data & BUTTON_UP) {
+      lcd.print("UP ");
+      lcd.setBacklight(RED);
+    }
+    if (button_data & BUTTON_DOWN) {
+      lcd.print("DOWN ");
+      lcd.setBacklight(YELLOW);
+    }
+    if (button_data & BUTTON_LEFT) {
+      lcd.print("LEFT ");
+      lcd.setBacklight(GREEN);
+    }
+    if (button_data & BUTTON_RIGHT) {
+      lcd.print("RIGHT ");
+      lcd.setBacklight(TEAL);
+    }
+    if (button_data & BUTTON_SELECT) {
+      lcd.print("SELECT ");
+      lcd.setBacklight(VIOLET);
+    }
+    }
+
+  }
+
 
 
   return 0;