diff options
Diffstat (limited to 'libraries/LiquidCrystal/examples')
9 files changed, 565 insertions, 20 deletions
diff --git a/libraries/LiquidCrystal/examples/Autoscroll/Autoscroll.pde b/libraries/LiquidCrystal/examples/Autoscroll/Autoscroll.pde new file mode 100644 index 0000000..bf33743 --- /dev/null +++ b/libraries/LiquidCrystal/examples/Autoscroll/Autoscroll.pde @@ -0,0 +1,70 @@ +/* + LiquidCrystal Library - Autoscroll + + 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 the use of the autoscroll() + and noAutoscroll() functions to make new text scroll or not. + + 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 columns and rows: + lcd.begin(16,2); +} + +void loop() { + // set the cursor to (0,0): + lcd.setCursor(0, 0); + // print from 0 to 9: + for (int thisChar = 0; thisChar < 10; thisChar++) { + lcd.print(thisChar); + delay(500); + } + + // set the cursor to (16,1): + lcd.setCursor(16,1); + // set the display to automatically scroll: + lcd.autoscroll(); + // print from 0 to 9: + for (int thisChar = 0; thisChar < 10; thisChar++) { + lcd.print(thisChar); + delay(500); + } + // turn off automatic scrolling + lcd.noAutoscroll(); + + // clear screen for the next loop: + lcd.clear(); +} + diff --git a/libraries/LiquidCrystal/examples/Blink/Blink.pde b/libraries/LiquidCrystal/examples/Blink/Blink.pde new file mode 100644 index 0000000..83c79b4 --- /dev/null +++ b/libraries/LiquidCrystal/examples/Blink/Blink.pde @@ -0,0 +1,58 @@ +/* + LiquidCrystal Library - Blink + + 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 makes the + cursor block blink. + + 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); + // Print a message to the LCD. + lcd.print("hello, world!"); +} + +void loop() { + // Turn off the blinking cursor: + lcd.noBlink(); + delay(3000); + // Turn on the blinking cursor: + lcd.blink(); + delay(3000); +} + + diff --git a/libraries/LiquidCrystal/examples/Cursor/Cursor.pde b/libraries/LiquidCrystal/examples/Cursor/Cursor.pde new file mode 100644 index 0000000..c0273f4 --- /dev/null +++ b/libraries/LiquidCrystal/examples/Cursor/Cursor.pde @@ -0,0 +1,58 @@ +/* + LiquidCrystal Library - Cursor + + 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 cursor() and noCursor() methods to turn + on and off 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 + * 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); + // Print a message to the LCD. + lcd.print("hello, world!"); +} + +void loop() { + // Turn off the cursor: + lcd.noCursor(); + delay(500); + // Turn on the cursor: + lcd.cursor(); + delay(500); +} + diff --git a/libraries/LiquidCrystal/examples/Display/Display.pde b/libraries/LiquidCrystal/examples/Display/Display.pde new file mode 100644 index 0000000..b430539 --- /dev/null +++ b/libraries/LiquidCrystal/examples/Display/Display.pde @@ -0,0 +1,58 @@ +/* + LiquidCrystal Library - display() and noDisplay() + + 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 + display() and noDisplay() functions to turn on and off + the display. + + 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); + // Print a message to the LCD. + lcd.print("hello, world!"); +} + +void loop() { + // Turn off the display: + lcd.noDisplay(); + delay(500); + // Turn on the display: + lcd.display(); + delay(500); +} + diff --git a/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde b/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde index 2f244d0..76cd746 100644 --- a/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde +++ b/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde @@ -1,18 +1,56 @@ +/* + LiquidCrystal Library - Hello World + + 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 shows the time. + + 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> -// LiquidCrystal display with: -// rs on pin 12 -// rw on pin 11 -// enable on pin 10 -// d4, d5, d6, d7 on pins 5, 4, 3, 2 -LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2); +// initialize the library with the numbers of the interface pins +LiquidCrystal lcd(12, 11, 5, 4, 3, 2); -void setup() -{ +void setup() { + // set up the LCD's number of rows and columns: + lcd.begin(16, 2); // Print a message to the LCD. lcd.print("hello, world!"); } -void loop() -{ +void loop() { + // set the cursor to column 0, line 1 + // (note: line 1 is the second row, since counting begins with 0): + lcd.setCursor(0, 1); + // print the number of seconds since reset: + lcd.print(millis()/1000); } + 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); + +} + diff --git a/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde b/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde index 0c4ce35..a094c24 100644 --- a/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde +++ b/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde @@ -1,19 +1,47 @@ /* - * Displays text sent over the serial port (e.g. from the Serial Monitor) on - * an attached LCD. + LiquidCrystal Library - Serial Input + + 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 displays text sent over the serial port + (e.g. from the Serial Monitor) on an attached LCD. + + 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> -// LiquidCrystal display with: -// rs on pin 12 -// rw on pin 11 -// enable on pin 10 -// d4, d5, d6, d7 on pins 5, 4, 3, 2 -LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2); +// initialize the library with the numbers of the interface pins +LiquidCrystal lcd(12, 11, 5, 4, 3, 2); -void setup() -{ +void setup(){ + // set up the LCD's number of rows and columns: + lcd.begin(16, 2); + // initialize the serial communications: Serial.begin(9600); } diff --git a/libraries/LiquidCrystal/examples/TextDirection/TextDirection.pde b/libraries/LiquidCrystal/examples/TextDirection/TextDirection.pde new file mode 100644 index 0000000..725eb0d --- /dev/null +++ b/libraries/LiquidCrystal/examples/TextDirection/TextDirection.pde @@ -0,0 +1,84 @@ + /* + 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 + * 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); + +int thisChar = 'a'; + +void setup() { + // set up the LCD's number of rows and columns: + lcd.begin(16, 2); + // turn on the cursor: + lcd.cursor(); + Serial.begin(9600); +} + +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.print(thisChar, BYTE); + // wait a second: + delay(1000); + // increment the letter: + thisChar++; +} + + + + + + + + diff --git a/libraries/LiquidCrystal/examples/setCursor/setCursor.pde b/libraries/LiquidCrystal/examples/setCursor/setCursor.pde new file mode 100644 index 0000000..edd2e77 --- /dev/null +++ b/libraries/LiquidCrystal/examples/setCursor/setCursor.pde @@ -0,0 +1,68 @@ +/* + LiquidCrystal Library - setCursor + + 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 to all the positions of the LCD using the + setCursor(0 method: + + 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> + +// these constants won't change. But you can change the size of +// your LCD using them: +const int numRows = 2; +const int numCols = 16; + +// 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(numRows, numCols); +} + +void loop() { + // loop from ASCII 'a' to ASCII 'z': + for (int thisLetter = 'a'; thisLetter <= 'z'; thisLetter++) { + // loop over the columns: + for (int thisCol = 0; thisCol < numRows; thisCol++) { + // loop over the rows: + for (int thisRow = 0; thisRow < numCols; thisRow++) { + // set the cursor position: + lcd.setCursor(thisRow,thisCol); + // print the letter: + lcd.print(thisLetter, BYTE); + delay(200); + } + } + } +} + + |