arduino stuffs
Diffstat (limited to 'libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino')
| -rw-r--r-- | libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino b/libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino new file mode 100644 index 0000000..c78abb9 --- /dev/null +++ b/libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino @@ -0,0 +1,147 @@ +/* + LiquidCrystal Library - Custom Characters + + Demonstrates how to add custom characters on an 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 "I <heart> Arduino!" and a little dancing man + to the 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 + * LCD R/W pin to ground + * 10K potentiometer: + * ends to +5V and ground + * wiper to LCD VO pin (pin 3) + * 10K poterntiometer on pin A0 + + created 21 Mar 2011 + by Tom Igoe + modified 11 Nov 2013 + by Scott Fitzgerald + modified 7 Nov 2016 + by Arturo Guadalupi + + Based on Adafruit's example at + https://github.com/adafruit/SPI_VFD/blob/master/examples/createChar/createChar.pde + + This example code is in the public domain. + http://www.arduino.cc/en/Tutorial/LiquidCrystalCustomCharacter + + Also useful: + http://icontexto.com/charactercreator/ + +*/ + +// include the library code: +#include <LiquidCrystal.h> + +// initialize the library by associating any needed LCD interface pin +// with the arduino pin number it is connected to +const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2; +LiquidCrystal lcd(rs, en, d4, d5, d6, d7); + +// make some custom characters: +byte heart[8] = { + 0b00000, + 0b01010, + 0b11111, + 0b11111, + 0b11111, + 0b01110, + 0b00100, + 0b00000 +}; + +byte smiley[8] = { + 0b00000, + 0b00000, + 0b01010, + 0b00000, + 0b00000, + 0b10001, + 0b01110, + 0b00000 +}; + +byte frownie[8] = { + 0b00000, + 0b00000, + 0b01010, + 0b00000, + 0b00000, + 0b00000, + 0b01110, + 0b10001 +}; + +byte armsDown[8] = { + 0b00100, + 0b01010, + 0b00100, + 0b00100, + 0b01110, + 0b10101, + 0b00100, + 0b01010 +}; + +byte armsUp[8] = { + 0b00100, + 0b01010, + 0b00100, + 0b10101, + 0b01110, + 0b00100, + 0b00100, + 0b01010 +}; + +void setup() { + // initialize LCD and set up the number of columns and rows: + lcd.begin(16, 2); + + // create a new character + lcd.createChar(0, heart); + // create a new character + lcd.createChar(1, smiley); + // create a new character + lcd.createChar(2, frownie); + // create a new character + lcd.createChar(3, armsDown); + // create a new character + lcd.createChar(4, armsUp); + + // set the cursor to the top left + lcd.setCursor(0, 0); + + // Print a message to the lcd. + lcd.print("I "); + lcd.write(byte(0)); // when calling lcd.write() '0' must be cast as a byte + lcd.print(" Arduino! "); + lcd.write((byte)1); + +} + +void loop() { + // read the potentiometer on A0: + int sensorReading = analogRead(A0); + // map the result to 200 - 1000: + int delayTime = map(sensorReading, 0, 1023, 200, 1000); + // set the cursor to the bottom row, 5th position: + lcd.setCursor(4, 1); + // draw the little man, arms down: + lcd.write(3); + delay(delayTime); + lcd.setCursor(4, 1); + // draw him arms up: + lcd.write(4); + delay(delayTime); +} |