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arduino-cli/libraries/Grove_LCD_RGB_Backlight/examples/Scroll/Scroll.ino

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+/*
+  Hello World.ino
+  2013 Copyright (c) Seeed Technology Inc.  All right reserved.
+
+  Author:Loovee
+  2013-9-18
+
+  Grove - Serial LCD RGB Backlight demo.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <Wire.h>
+#include "rgb_lcd.h"
+
+rgb_lcd lcd;
+
+void setup() {
+    // set up the LCD's number of columns and rows:
+    lcd.begin(16, 2);
+    // Print a message to the LCD.
+    lcd.print("hello, world!");
+    delay(1000);
+}
+
+void loop() {
+    // scroll 13 positions (string length) to the left
+    // to move it offscreen left:
+    for (int positionCounter = 0; positionCounter < 13; positionCounter++) {
+        // scroll one position left:
+        lcd.scrollDisplayLeft();
+        // wait a bit:
+        delay(150);
+    }
+
+    // scroll 29 positions (string length + display length) to the right
+    // to move it offscreen right:
+    for (int positionCounter = 0; positionCounter < 29; positionCounter++) {
+        // scroll one position right:
+        lcd.scrollDisplayRight();
+        // wait a bit:
+        delay(150);
+    }
+
+    // scroll 16 positions (display length + string length) to the left
+    // to move it back to center:
+    for (int positionCounter = 0; positionCounter < 16; positionCounter++) {
+        // scroll one position left:
+        lcd.scrollDisplayLeft();
+        // wait a bit:
+        delay(150);
+    }
+
+    // delay at the end of the full loop:
+    delay(1000);
+
+}
+
+/*********************************************************************************************************
+  END FILE
+*********************************************************************************************************/