aboutsummaryrefslogtreecommitdiff
path: root/libraries/LiquidCrystal
diff options
context:
space:
mode:
authorDavid A. Mellis <d.mellis@arduino.cc>2009-07-13 02:33:02 +0000
committerDavid A. Mellis <d.mellis@arduino.cc>2009-07-13 02:33:02 +0000
commitf30af5e28868811d802edc2d874ce832652512f0 (patch)
tree6f19491b31bf6774d4a426b406392a6dea35dc3f /libraries/LiquidCrystal
parentb63012069f6a239de812ed37b8a4a4141791b864 (diff)
Adding Tom's examples for the new LiquidCrystal library.
Diffstat (limited to 'libraries/LiquidCrystal')
-rw-r--r--libraries/LiquidCrystal/examples/Blink/Blink.pde56
-rw-r--r--libraries/LiquidCrystal/examples/Cursor/Cursor.pde55
-rw-r--r--libraries/LiquidCrystal/examples/Display/Display.pde55
-rw-r--r--libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde53
-rw-r--r--libraries/LiquidCrystal/examples/IncrementDecrement/IncrementDecrement.pde67
-rw-r--r--libraries/LiquidCrystal/examples/Scroll/Scroll.pde65
-rw-r--r--libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde60
-rw-r--r--libraries/LiquidCrystal/examples/Shift/Shift.pde82
-rw-r--r--libraries/LiquidCrystal/examples/setCursor/setCursor.pde66
9 files changed, 559 insertions, 0 deletions
diff --git a/libraries/LiquidCrystal/examples/Blink/Blink.pde b/libraries/LiquidCrystal/examples/Blink/Blink.pde
new file mode 100644
index 0000000..f189fd9
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/Blink/Blink.pde
@@ -0,0 +1,56 @@
+/*
+ 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
+
+ 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(2, 16);
+ // Print a message to the LCD.
+ lcd.print("hello, world!");
+}
+
+void loop() {
+ // Turn off the display:
+ lcd.noBlink();
+ delay(500);
+ // Turn on the display:
+ lcd.blink();
+ delay(500);
+}
+
+
diff --git a/libraries/LiquidCrystal/examples/Cursor/Cursor.pde b/libraries/LiquidCrystal/examples/Cursor/Cursor.pde
new file mode 100644
index 0000000..e28c719
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/Cursor/Cursor.pde
@@ -0,0 +1,55 @@
+/*
+ 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
+
+ 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(2, 16);
+ // Print a message to the LCD.
+ lcd.print("hello, world!");
+}
+
+void loop() {
+ // Turn off the display:
+ lcd.noCursor();
+ delay(500);
+ // Turn on the display:
+ 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..2ccf1cb
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/Display/Display.pde
@@ -0,0 +1,55 @@
+/*
+ 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
+
+ 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(2, 16);
+ // 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
new file mode 100644
index 0000000..9909349
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde
@@ -0,0 +1,53 @@
+/*
+ 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
+
+ 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(2, 16);
+ // Print a message to the LCD.
+ lcd.print("hello, world!");
+}
+
+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/IncrementDecrement/IncrementDecrement.pde b/libraries/LiquidCrystal/examples/IncrementDecrement/IncrementDecrement.pde
new file mode 100644
index 0000000..32ce4dc
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/IncrementDecrement/IncrementDecrement.pde
@@ -0,0 +1,67 @@
+/*
+ LiquidCrystal Library - Increment/Decrement
+
+ 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 shiftIncrement()
+ and shifDecrement() functions.
+
+ 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
+
+ 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(2, 16);
+}
+
+void loop() {
+ // set the cursor to (0,0):
+ lcd.setCursor(0, 0);
+ // set the display to left justify:
+ lcd.shiftDecrement();
+ // print from 0 to 9:
+ for (int thisChar = 0; thisChar < 10; thisChar++) {
+ lcd.print(thisChar);
+ delay(500);
+ }
+ // set the cursor to (16,0):
+ lcd.setCursor(16,1);
+ // set the display to left justify:
+ lcd.shiftIncrement();
+ // print from 0 to 9:
+ for (int thisChar = 0; thisChar < 10; thisChar++) {
+ lcd.print(thisChar);
+ delay(500);
+ }
+
+ // clear screen for the next loop:
+ lcd.clear();
+}
+
diff --git a/libraries/LiquidCrystal/examples/Scroll/Scroll.pde b/libraries/LiquidCrystal/examples/Scroll/Scroll.pde
new file mode 100644
index 0000000..4556a38
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/Scroll/Scroll.pde
@@ -0,0 +1,65 @@
+/*
+ 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
+
+ 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(2, 16);
+ lcd.setCursor(0,7);
+ // Print a message to the LCD.
+ lcd.print("hello, world!");
+}
+
+void loop() {
+ // scroll 27 positions (display length + string length) to the left:
+ for (int positionCounter = 0; positionCounter < 27; positionCounter++) {
+ // scroll one position left:
+ lcd.scrollDisplayLeft();
+ // wait a bit:
+ delay(200);
+ }
+
+ // scroll 27 positions (display length + string length) to the right:
+ for (int positionCounter = 0; positionCounter < 27; positionCounter++) {
+ // scroll one position right:
+ lcd.scrollDisplayRight();
+ // wait a bit:
+ delay(200);
+ }
+}
+
diff --git a/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde b/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde
new file mode 100644
index 0000000..559ec59
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde
@@ -0,0 +1,60 @@
+/*
+ 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
+
+ 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(2, 16);
+ // initialize the serial communications:
+ Serial.begin(9600);
+}
+
+void loop()
+{
+ // when characters arrive over the serial port...
+ if (Serial.available()) {
+ // wait a bit for the entire message to arrive
+ delay(100);
+ // clear the screen
+ lcd.clear();
+ // read all the available characters
+ while (Serial.available() > 0) {
+ // display each character to the LCD
+ lcd.write(Serial.read());
+ }
+ }
+}
diff --git a/libraries/LiquidCrystal/examples/Shift/Shift.pde b/libraries/LiquidCrystal/examples/Shift/Shift.pde
new file mode 100644
index 0000000..0326c51
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/Shift/Shift.pde
@@ -0,0 +1,82 @@
+ /*
+ LiquidCrystal Library - Shift
+
+ 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 shiftLeft() and shiftRight()
+ 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
+
+ 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(2, 16);
+ // 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.shiftRight();
+ }
+ // reverse again at 's':
+ if (thisChar == 's') {
+ // go left for the next letter
+ lcd.shiftLeft();
+ }
+ // 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..01e599e
--- /dev/null
+++ b/libraries/LiquidCrystal/examples/setCursor/setCursor.pde
@@ -0,0 +1,66 @@
+/*
+ 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
+
+ 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);
+ }
+ }
+ }
+}
+
+