diff options
author | David A. Mellis <d.mellis@arduino.cc> | 2009-08-15 14:48:42 +0000 |
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committer | David A. Mellis <d.mellis@arduino.cc> | 2009-08-15 14:48:42 +0000 |
commit | 50f77c7210a490d8fee28348fcda811ca0bdf615 (patch) | |
tree | c5ed76441bcdd7c51b6bf07d7b0ba16444dbaee6 /libraries/LiquidCrystal/examples/Scroll/Scroll.pde | |
parent | 159051b8f814edb7474912ad6d04058d34f2d173 (diff) | |
parent | 79b7ecdd92973f4aa67a6bcaa8bd12a10e5b5133 (diff) |
Moving the processing-5503 branch (used for Arduino 0017) into the trunk.
Diffstat (limited to 'libraries/LiquidCrystal/examples/Scroll/Scroll.pde')
-rw-r--r-- | libraries/LiquidCrystal/examples/Scroll/Scroll.pde | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/libraries/LiquidCrystal/examples/Scroll/Scroll.pde b/libraries/LiquidCrystal/examples/Scroll/Scroll.pde new file mode 100644 index 0000000..9276553 --- /dev/null +++ b/libraries/LiquidCrystal/examples/Scroll/Scroll.pde @@ -0,0 +1,83 @@ +/* + LiquidCrystal Library - scrollDisplayLeft() and scrollDisplayRight() + + Demonstrates the use a 16x2 LCD display. The LiquidCrystal + library works with all LCD displays that are compatible with the + Hitachi HD44780 driver. There are many of them out there, and you + can usually tell them by the 16-pin interface. + + This sketch prints "Hello World!" to the LCD and uses the + scrollDisplayLeft() and scrollDisplayRight() methods to scroll + the text. + + The circuit: + * LCD RS pin to digital pin 12 + * LCD Enable pin to digital pin 11 + * LCD D4 pin to digital pin 5 + * LCD D5 pin to digital pin 4 + * LCD D6 pin to digital pin 3 + * LCD D7 pin to digital pin 2 + * 10K resistor: + * ends to +5V and ground + * wiper to LCD VO pin (pin 3) + + Library originally added 18 Apr 2008 + by David A. Mellis + library modified 5 Jul 2009 + 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 + */ + +// include the library code: +#include <LiquidCrystal.h> + +// initialize the library with the numbers of the interface pins +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); + // 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); + +} + |