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-rw-r--r--libraries/LiquidCrystal/examples/Scroll/Scroll.pde32
1 files changed, 25 insertions, 7 deletions
diff --git a/libraries/LiquidCrystal/examples/Scroll/Scroll.pde b/libraries/LiquidCrystal/examples/Scroll/Scroll.pde
index ec49244..9276553 100644
--- a/libraries/LiquidCrystal/examples/Scroll/Scroll.pde
+++ b/libraries/LiquidCrystal/examples/Scroll/Scroll.pde
@@ -27,6 +27,8 @@
by Limor Fried (http://www.ladyada.net)
example added 9 Jul 2009
by Tom Igoe
+ modified 25 July 2009
+ by David A. Mellis
http://www.arduino.cc/en/Tutorial/LiquidCrystal
*/
@@ -40,26 +42,42 @@ LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
void setup() {
// set up the LCD's number of rows and columns:
lcd.begin(16, 2);
- lcd.setCursor(0,7);
+ //lcd.setCursor(0,7);
// Print a message to the LCD.
lcd.print("hello, world!");
+ delay(1000);
}
void loop() {
- // scroll 27 positions (display length + string length) to the left:
- for (int positionCounter = 0; positionCounter < 27; positionCounter++) {
+ // 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(200);
+ delay(150);
}
- // scroll 27 positions (display length + string length) to the right:
- for (int positionCounter = 0; positionCounter < 27; positionCounter++) {
+ // 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(200);
+ 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);
+
}