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Diffstat (limited to 'ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/LiquidCrystal/examples/TextDirection/TextDirection.ino')
-rwxr-xr-x | ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/LiquidCrystal/examples/TextDirection/TextDirection.ino | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/LiquidCrystal/examples/TextDirection/TextDirection.ino b/ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/LiquidCrystal/examples/TextDirection/TextDirection.ino new file mode 100755 index 000000000..3bb8695b3 --- /dev/null +++ b/ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/LiquidCrystal/examples/TextDirection/TextDirection.ino @@ -0,0 +1,86 @@ +/* +LiquidCrystal Library - TextDirection + +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 demonstrates how to use leftToRight() and rightToLeft() +to move the cursor. + +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 +* LCD R/W pin to ground +* 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 22 Nov 2010 +by Tom Igoe + +This example code is in the public domain. + +http://arduino.cc/en/Tutorial/LiquidCrystalTextDirection + +*/ + +// 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); + +int thisChar = 'a'; + +void setup() { + // set up the LCD's number of columns and rows: + lcd.begin(16, 2); + // turn on the cursor: + lcd.cursor(); +} + +void loop() { + // reverse directions at 'm': + if (thisChar == 'm') { + // go right for the next letter + lcd.rightToLeft(); + } + // reverse again at 's': + if (thisChar == 's') { + // go left for the next letter + lcd.leftToRight(); + } + // reset at 'z': + if (thisChar > 'z') { + // go to (0,0): + lcd.home(); + // start again at 0 + thisChar = 'a'; + } + // print the character + lcd.write(thisChar); + // wait a second: + delay(1000); + // increment the letter: + thisChar++; +} + + + + + + + + |