72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/*
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TextDirection.ino
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2013 Copyright (c) Seeed Technology Inc. All right reserved.
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Author:Loovee
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2013-9-18
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Grove - Serial LCD RGB Backlight demo.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <Wire.h>
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#include "rgb_lcd.h"
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rgb_lcd lcd;
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int thisChar = 'a';
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void setup()
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{
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// set up the LCD's number of columns and rows:
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lcd.begin(16, 2);
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// turn on the cursor:
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lcd.cursor();
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}
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void loop()
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{
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// reverse directions at 'm':
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if (thisChar == 'm')
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{
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// go right for the next letter
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lcd.rightToLeft();
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}
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// reverse again at 's':
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if (thisChar == 's')
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{
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// go left for the next letter
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lcd.leftToRight();
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}
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// reset at 'z':
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if (thisChar > 'z')
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{
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// go to (0,0):
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lcd.home();
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// start again at 0
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thisChar = 'a';
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}
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// print the character
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lcd.write(thisChar);
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// wait a second:
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delay(1000);
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// increment the letter:
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thisChar++;
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}
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/*********************************************************************************************************
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END FILE
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*********************************************************************************************************/ |