init
This commit is contained in:
Patrick Valk
@@ -0,0 +1,15 @@
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# Arduino-USB
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This is a personal driver/controller i wrote for lcdproc to controll a 4x40 hd44780 display through usb.
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I will post the driver module to lcdproc soon.
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It works by sending serial commands to the arduino, and is based on the works of the original `hd44780` driver in lcdproc by Benjamin Tse <blt@Comports.com>.
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## Tested on
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* Arduino nano.
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## Dependency
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I moddified the original `LiquidCrystal` from Arduino LLC to work with 4x40 hd44780 displays, this means adding a second enable line.
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This library is included in this repository.
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@@ -0,0 +1,24 @@
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= Liquid Crystal Library for Arduino =
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This library allows an Arduino board to control LiquidCrystal displays (LCDs) based on the Hitachi HD44780 (or a compatible) chipset, which is found on most text-based LCDs.
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For more information about this library please visit us at
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http://www.arduino.cc/en/Reference/LiquidCrystal
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== License ==
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Copyright (c) Arduino LLC. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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@@ -0,0 +1,74 @@
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/*
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LiquidCrystal Library - Autoscroll
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Demonstrates the use a 16x2 LCD display. The LiquidCrystal
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library works with all LCD displays that are compatible with the
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Hitachi HD44780 driver. There are many of them out there, and you
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can usually tell them by the 16-pin interface.
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This sketch demonstrates the use of the autoscroll()
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and noAutoscroll() functions to make new text scroll or not.
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The circuit:
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* LCD RS pin to digital pin 12
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* LCD Enable pin to digital pin 11
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* LCD D4 pin to digital pin 5
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* LCD D5 pin to digital pin 4
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* LCD D6 pin to digital pin 3
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* LCD D7 pin to digital pin 2
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* LCD R/W pin to ground
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* 10K resistor:
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* ends to +5V and ground
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* wiper to LCD VO pin (pin 3)
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Library originally added 18 Apr 2008
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by David A. Mellis
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library modified 5 Jul 2009
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by Limor Fried (http://www.ladyada.net)
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example added 9 Jul 2009
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by Tom Igoe
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modified 22 Nov 2010
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by Tom Igoe
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This example code is in the public domain.
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http://www.arduino.cc/en/Tutorial/LiquidCrystalAutoscroll
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*/
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// include the library code:
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#include <LiquidCrystal.h>
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// initialize the library with the numbers of the interface pins
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LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
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void setup() {
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// set up the LCD's number of columns and rows:
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lcd.begin(16, 2);
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}
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void loop() {
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// set the cursor to (0,0):
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lcd.setCursor(0, 0);
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// print from 0 to 9:
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for (int thisChar = 0; thisChar < 10; thisChar++) {
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lcd.print(thisChar);
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delay(500);
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}
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// set the cursor to (16,1):
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lcd.setCursor(16, 1);
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// set the display to automatically scroll:
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lcd.autoscroll();
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// print from 0 to 9:
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for (int thisChar = 0; thisChar < 10; thisChar++) {
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lcd.print(thisChar);
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delay(500);
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}
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// turn off automatic scrolling
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lcd.noAutoscroll();
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// clear screen for the next loop:
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lcd.clear();
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}
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@@ -0,0 +1,61 @@
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/*
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LiquidCrystal Library - Blink
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Demonstrates the use a 16x2 LCD display. The LiquidCrystal
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library works with all LCD displays that are compatible with the
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Hitachi HD44780 driver. There are many of them out there, and you
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can usually tell them by the 16-pin interface.
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This sketch prints "Hello World!" to the LCD and makes the
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cursor block blink.
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The circuit:
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* LCD RS pin to digital pin 12
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* LCD Enable pin to digital pin 11
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* LCD D4 pin to digital pin 5
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* LCD D5 pin to digital pin 4
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* LCD D6 pin to digital pin 3
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* LCD D7 pin to digital pin 2
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* LCD R/W pin to ground
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* 10K resistor:
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* ends to +5V and ground
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* wiper to LCD VO pin (pin 3)
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Library originally added 18 Apr 2008
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by David A. Mellis
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library modified 5 Jul 2009
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by Limor Fried (http://www.ladyada.net)
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example added 9 Jul 2009
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by Tom Igoe
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modified 22 Nov 2010
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by Tom Igoe
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This example code is in the public domain.
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http://www.arduino.cc/en/Tutorial/LiquidCrystalBlink
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*/
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// include the library code:
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#include <LiquidCrystal.h>
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// initialize the library with the numbers of the interface pins
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LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
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void setup() {
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// set up the LCD's number of columns and rows:
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lcd.begin(16, 2);
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// Print a message to the LCD.
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lcd.print("hello, world!");
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}
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void loop() {
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// Turn off the blinking cursor:
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lcd.noBlink();
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delay(3000);
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// Turn on the blinking cursor:
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lcd.blink();
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delay(3000);
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}
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@@ -0,0 +1,61 @@
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/*
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LiquidCrystal Library - Cursor
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Demonstrates the use a 16x2 LCD display. The LiquidCrystal
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library works with all LCD displays that are compatible with the
|
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Hitachi HD44780 driver. There are many of them out there, and you
|
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can usually tell them by the 16-pin interface.
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||||
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This sketch prints "Hello World!" to the LCD and
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uses the cursor() and noCursor() methods to turn
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on and off the cursor.
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The circuit:
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* LCD RS pin to digital pin 12
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* LCD Enable pin to digital pin 11
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* LCD D4 pin to digital pin 5
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* LCD D5 pin to digital pin 4
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* LCD D6 pin to digital pin 3
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* LCD D7 pin to digital pin 2
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* LCD R/W pin to ground
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* 10K resistor:
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* ends to +5V and ground
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* wiper to LCD VO pin (pin 3)
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||||
Library originally added 18 Apr 2008
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||||
by David A. Mellis
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library modified 5 Jul 2009
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||||
by Limor Fried (http://www.ladyada.net)
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example added 9 Jul 2009
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||||
by Tom Igoe
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modified 22 Nov 2010
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||||
by Tom Igoe
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||||
|
||||
This example code is in the public domain.
|
||||
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||||
http://www.arduino.cc/en/Tutorial/LiquidCrystalCursor
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*/
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// include the library code:
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#include <LiquidCrystal.h>
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// initialize the library with the numbers of the interface pins
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LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
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void setup() {
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// set up the LCD's number of columns and rows:
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lcd.begin(16, 2);
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// Print a message to the LCD.
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lcd.print("hello, world!");
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}
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void loop() {
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// Turn off the cursor:
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lcd.noCursor();
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delay(500);
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// Turn on the cursor:
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lcd.cursor();
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delay(500);
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}
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@@ -0,0 +1,140 @@
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/*
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LiquidCrystal Library - Custom Characters
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||||
Demonstrates how to add custom characters on an LCD display.
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The LiquidCrystal library works with all LCD displays that are
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compatible with the Hitachi HD44780 driver. There are many of
|
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them out there, and you can usually tell them by the 16-pin interface.
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This sketch prints "I <heart> Arduino!" and a little dancing man
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to the LCD.
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The circuit:
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* LCD RS pin to digital pin 12
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* LCD Enable pin to digital pin 11
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* LCD D4 pin to digital pin 5
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* LCD D5 pin to digital pin 4
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* LCD D6 pin to digital pin 3
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* LCD D7 pin to digital pin 2
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* LCD R/W pin to ground
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* 10K potentiometer:
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* ends to +5V and ground
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* wiper to LCD VO pin (pin 3)
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* 10K poterntiometer on pin A0
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||||
created 21 Mar 2011
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by Tom Igoe
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modified 11 Nov 2013
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by Scott Fitzgerald
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||||
Based on Adafruit's example at
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https://github.com/adafruit/SPI_VFD/blob/master/examples/createChar/createChar.pde
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||||
This example code is in the public domain.
|
||||
http://www.arduino.cc/en/Tutorial/LiquidCrystal
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||||
Also useful:
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||||
http://icontexto.com/charactercreator/
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||||
*/
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||||
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||||
// include the library code:
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#include <LiquidCrystal.h>
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||||
// initialize the library with the numbers of the interface pins
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LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
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// make some custom characters:
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byte heart[8] = {
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0b00000,
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0b01010,
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0b11111,
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0b11111,
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0b11111,
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0b01110,
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0b00100,
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0b00000
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};
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||||
byte smiley[8] = {
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0b00000,
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0b00000,
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0b01010,
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0b00000,
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||||
0b00000,
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||||
0b10001,
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0b01110,
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0b00000
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};
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||||
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||||
byte frownie[8] = {
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0b00000,
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0b00000,
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0b01010,
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0b00000,
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0b00000,
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0b00000,
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||||
0b01110,
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||||
0b10001
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||||
};
|
||||
|
||||
byte armsDown[8] = {
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0b00100,
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0b01010,
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0b00100,
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0b00100,
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0b01110,
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0b10101,
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0b00100,
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0b01010
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};
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||||
byte armsUp[8] = {
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0b00100,
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0b01010,
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0b00100,
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0b10101,
|
||||
0b01110,
|
||||
0b00100,
|
||||
0b00100,
|
||||
0b01010
|
||||
};
|
||||
|
||||
void setup() {
|
||||
// initialize LCD and set up the number of columns and rows:
|
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lcd.begin(16, 2);
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|
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// create a new character
|
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lcd.createChar(0, heart);
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// create a new character
|
||||
lcd.createChar(1, smiley);
|
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// create a new character
|
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lcd.createChar(2, frownie);
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// create a new character
|
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lcd.createChar(3, armsDown);
|
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// create a new character
|
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lcd.createChar(4, armsUp);
|
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|
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// Print a message to the lcd.
|
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lcd.print("I ");
|
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lcd.write(byte(0)); // when calling lcd.write() '0' must be cast as a byte
|
||||
lcd.print(" Arduino! ");
|
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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);
|
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// draw the little man, arms down:
|
||||
lcd.write(3);
|
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delay(delayTime);
|
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lcd.setCursor(4, 1);
|
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// draw him arms up:
|
||||
lcd.write(4);
|
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delay(delayTime);
|
||||
}
|
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@@ -0,0 +1,61 @@
|
||||
/*
|
||||
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
|
||||
* 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://www.arduino.cc/en/Tutorial/LiquidCrystalDisplay
|
||||
|
||||
*/
|
||||
|
||||
// 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);
|
||||
// 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);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,60 @@
|
||||
/*
|
||||
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
|
||||
* LCD R/W pin to ground
|
||||
* LCD VSS pin to ground
|
||||
* LCD VCC pin to 5V
|
||||
* 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://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);
|
||||
// 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);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,86 @@
|
||||
/*
|
||||
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
|
||||
* 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://www.arduino.cc/en/Tutorial/LiquidCrystalScroll
|
||||
|
||||
*/
|
||||
|
||||
// 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);
|
||||
// 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);
|
||||
|
||||
}
|
||||
|
||||
@@ -0,0 +1,65 @@
|
||||
/*
|
||||
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
|
||||
* 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://www.arduino.cc/en/Tutorial/LiquidCrystalSerial
|
||||
*/
|
||||
|
||||
// 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);
|
||||
// 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());
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -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://www.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++;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,72 @@
|
||||
/*
|
||||
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() 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
|
||||
* 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://www.arduino.cc/en/Tutorial/LiquidCrystalSetCursor
|
||||
|
||||
*/
|
||||
|
||||
// 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 columns and rows:
|
||||
lcd.begin(numCols, numRows);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// loop from ASCII 'a' to ASCII 'z':
|
||||
for (int thisLetter = 'a'; thisLetter <= 'z'; thisLetter++) {
|
||||
// loop over the columns:
|
||||
for (int thisRow = 0; thisRow < numRows; thisRow++) {
|
||||
// loop over the rows:
|
||||
for (int thisCol = 0; thisCol < numCols; thisCol++) {
|
||||
// set the cursor position:
|
||||
lcd.setCursor(thisCol, thisRow);
|
||||
// print the letter:
|
||||
lcd.write(thisLetter);
|
||||
delay(200);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,38 @@
|
||||
#######################################
|
||||
# Syntax Coloring Map For LiquidCrystal
|
||||
#######################################
|
||||
|
||||
#######################################
|
||||
# Datatypes (KEYWORD1)
|
||||
#######################################
|
||||
|
||||
LiquidCrystal KEYWORD1 LiquidCrystal
|
||||
|
||||
#######################################
|
||||
# Methods and Functions (KEYWORD2)
|
||||
#######################################
|
||||
|
||||
begin KEYWORD2
|
||||
clear KEYWORD2
|
||||
home KEYWORD2
|
||||
print KEYWORD2
|
||||
setCursor KEYWORD2
|
||||
cursor KEYWORD2
|
||||
noCursor KEYWORD2
|
||||
blink KEYWORD2
|
||||
noBlink KEYWORD2
|
||||
display KEYWORD2
|
||||
noDisplay KEYWORD2
|
||||
autoscroll KEYWORD2
|
||||
noAutoscroll KEYWORD2
|
||||
leftToRight KEYWORD2
|
||||
rightToLeft KEYWORD2
|
||||
scrollDisplayLeft KEYWORD2
|
||||
scrollDisplayRight KEYWORD2
|
||||
createChar KEYWORD2
|
||||
setRowOffsets KEYWORD2
|
||||
|
||||
#######################################
|
||||
# Constants (LITERAL1)
|
||||
#######################################
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
name=LiquidCrystal
|
||||
version=1.0.2
|
||||
author=Arduino, Adafruit
|
||||
maintainer=Arduino <info@arduino.cc>
|
||||
sentence=Allows communication with alphanumerical liquid crystal displays (LCDs). For all Arduino boards.
|
||||
paragraph=This library allows an Arduino board to control LiquidCrystal displays (LCDs) based on the Hitachi HD44780 (or a compatible) chipset, which is found on most text-based LCDs. The library works with in either 4 or 8 bit mode (i.e. using 4 or 8 data lines in addition to the rs, enable, and, optionally, the rw control lines).
|
||||
category=Display
|
||||
url=http://www.arduino.cc/en/Reference/LiquidCrystal
|
||||
architectures=*
|
||||
@@ -0,0 +1,551 @@
|
||||
#include "LiquidCrystal.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include "Arduino.h"
|
||||
|
||||
// When the display powers up, it is configured as follows:
|
||||
//
|
||||
// 1. Display clear
|
||||
// 2. Function set:
|
||||
// DL = 1; 8-bit interface data
|
||||
// N = 0; 1-line display
|
||||
// F = 0; 5x8 dot character font
|
||||
// 3. Display on/off control:
|
||||
// D = 0; Display off
|
||||
// C = 0; Cursor off
|
||||
// B = 0; Blinking off
|
||||
// 4. Entry mode set:
|
||||
// I/D = 1; Increment by 1
|
||||
// S = 0; No shift
|
||||
//
|
||||
// Note, however, that resetting the Arduino doesn't reset the LCD, so we
|
||||
// can't assume that its in that state when a sketch starts (and the
|
||||
// LiquidCrystal constructor is called).
|
||||
|
||||
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
|
||||
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
|
||||
{
|
||||
init(0, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
|
||||
}
|
||||
|
||||
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
|
||||
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
|
||||
{
|
||||
init(0, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7);
|
||||
}
|
||||
|
||||
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
|
||||
{
|
||||
init(1, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
|
||||
}
|
||||
|
||||
// Custom initializer
|
||||
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable1, uint8_t enable2,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
|
||||
{
|
||||
_enable_pin1 = enable1;
|
||||
_enable_pin2 = enable2;
|
||||
_d = 0;
|
||||
init(1, rs, rw, enable1, d0, d1, d2, d3, 0, 0, 0, 0);
|
||||
}
|
||||
|
||||
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
|
||||
{
|
||||
init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
|
||||
}
|
||||
|
||||
void LiquidCrystal::setController(int i)
|
||||
{
|
||||
if (i >= 1)
|
||||
_enable_pin = _enable_pin2;
|
||||
else
|
||||
_enable_pin = _enable_pin1;
|
||||
}
|
||||
|
||||
void LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
|
||||
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
|
||||
{
|
||||
_rs_pin = rs;
|
||||
_rw_pin = rw;
|
||||
_enable_pin = enable;
|
||||
|
||||
_data_pins[0] = d0;
|
||||
_data_pins[1] = d1;
|
||||
_data_pins[2] = d2;
|
||||
_data_pins[3] = d3;
|
||||
_data_pins[4] = d4;
|
||||
_data_pins[5] = d5;
|
||||
_data_pins[6] = d6;
|
||||
_data_pins[7] = d7;
|
||||
|
||||
if (fourbitmode)
|
||||
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
|
||||
else
|
||||
_displayfunction = LCD_8BITMODE | LCD_1LINE | LCD_5x8DOTS;
|
||||
|
||||
begin(16, 1);
|
||||
}
|
||||
|
||||
void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
|
||||
_numlines = lines;
|
||||
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
begin(cols, lines, dotsize);
|
||||
setController(1);
|
||||
begin(cols, lines, dotsize);
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
if (lines > 1) {
|
||||
_displayfunction |= LCD_2LINE;
|
||||
}
|
||||
|
||||
setRowOffsets(0x00, 0x40, 0x00 + cols, 0x40 + cols);
|
||||
|
||||
// for some 1 line displays you can select a 10 pixel high font
|
||||
if ((dotsize != LCD_5x8DOTS) && (lines == 1)) {
|
||||
_displayfunction |= LCD_5x10DOTS;
|
||||
}
|
||||
|
||||
pinMode(_rs_pin, OUTPUT);
|
||||
// we can save 1 pin by not using RW. Indicate by passing 255 instead of pin#
|
||||
if (_rw_pin != 255) {
|
||||
pinMode(_rw_pin, OUTPUT);
|
||||
}
|
||||
pinMode(_enable_pin, OUTPUT);
|
||||
|
||||
// Do these once, instead of every time a character is drawn for speed reasons.
|
||||
for (int i=0; i<((_displayfunction & LCD_8BITMODE) ? 8 : 4); ++i)
|
||||
{
|
||||
pinMode(_data_pins[i], OUTPUT);
|
||||
}
|
||||
|
||||
// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
|
||||
// according to datasheet, we need at least 40ms after power rises above 2.7V
|
||||
// before sending commands. Arduino can turn on way before 4.5V so we'll wait 50
|
||||
delayMicroseconds(50000);
|
||||
// Now we pull both RS and R/W low to begin commands
|
||||
digitalWrite(_rs_pin, LOW);
|
||||
digitalWrite(_enable_pin, LOW);
|
||||
if (_rw_pin != 255) {
|
||||
digitalWrite(_rw_pin, LOW);
|
||||
}
|
||||
|
||||
//put the LCD into 4 bit or 8 bit mode
|
||||
if (! (_displayfunction & LCD_8BITMODE)) {
|
||||
// this is according to the hitachi HD44780 datasheet
|
||||
// figure 24, pg 46
|
||||
|
||||
// we start in 8bit mode, try to set 4 bit mode
|
||||
write4bits(0x03);
|
||||
delayMicroseconds(4500); // wait min 4.1ms
|
||||
|
||||
// second try
|
||||
write4bits(0x03);
|
||||
delayMicroseconds(4500); // wait min 4.1ms
|
||||
|
||||
// third go!
|
||||
write4bits(0x03);
|
||||
delayMicroseconds(150);
|
||||
|
||||
// finally, set to 4-bit interface
|
||||
write4bits(0x02);
|
||||
} else {
|
||||
// this is according to the hitachi HD44780 datasheet
|
||||
// page 45 figure 23
|
||||
|
||||
// Send function set command sequence
|
||||
command(LCD_FUNCTIONSET | _displayfunction);
|
||||
delayMicroseconds(4500); // wait more than 4.1ms
|
||||
|
||||
// second try
|
||||
command(LCD_FUNCTIONSET | _displayfunction);
|
||||
delayMicroseconds(150);
|
||||
|
||||
// third go
|
||||
command(LCD_FUNCTIONSET | _displayfunction);
|
||||
}
|
||||
|
||||
// finally, set # lines, font size, etc.
|
||||
command(LCD_FUNCTIONSET | _displayfunction);
|
||||
|
||||
// turn the display on with no cursor or blinking default
|
||||
_displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF;
|
||||
display();
|
||||
|
||||
// clear it off
|
||||
clear();
|
||||
|
||||
// Initialize to default text direction (for romance languages)
|
||||
_displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT;
|
||||
// set the entry mode
|
||||
command(LCD_ENTRYMODESET | _displaymode);
|
||||
|
||||
}
|
||||
|
||||
void LiquidCrystal::setRowOffsets(int row0, int row1, int row2, int row3)
|
||||
{
|
||||
_row_offsets[0] = row0;
|
||||
_row_offsets[1] = row1;
|
||||
_row_offsets[2] = row2;
|
||||
_row_offsets[3] = row3;
|
||||
}
|
||||
|
||||
/********** high level commands, for the user! */
|
||||
void LiquidCrystal::clear()
|
||||
{
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
clear();
|
||||
setController(1);
|
||||
clear();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
command(LCD_CLEARDISPLAY); // clear display, set cursor position to zero
|
||||
delayMicroseconds(2000); // this command takes a long time!
|
||||
}
|
||||
|
||||
void LiquidCrystal::home()
|
||||
{
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
home();
|
||||
setController(1);
|
||||
home();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
command(LCD_RETURNHOME); // set cursor position to zero
|
||||
delayMicroseconds(2000); // this command takes a long time!
|
||||
}
|
||||
|
||||
void LiquidCrystal::setCursor(uint8_t col, uint8_t row)
|
||||
{
|
||||
if (row >= 2)
|
||||
{
|
||||
_enable_pin = _enable_pin1;
|
||||
row -= 2;
|
||||
}
|
||||
else
|
||||
_enable_pin = _enable_pin2;
|
||||
|
||||
const size_t max_lines = sizeof(_row_offsets) / sizeof(*_row_offsets);
|
||||
if ( row >= max_lines ) {
|
||||
row = max_lines - 1; // we count rows starting w/0
|
||||
}
|
||||
if ( row >= _numlines ) {
|
||||
row = _numlines - 1; // we count rows starting w/0
|
||||
}
|
||||
|
||||
command(LCD_SETDDRAMADDR | (col + _row_offsets[row]));
|
||||
}
|
||||
|
||||
// Turn the display on/off (quickly)
|
||||
void LiquidCrystal::noDisplay() {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
noDisplay();
|
||||
setController(1);
|
||||
noDisplay();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaycontrol &= ~LCD_DISPLAYON;
|
||||
command(LCD_DISPLAYCONTROL | _displaycontrol);
|
||||
}
|
||||
void LiquidCrystal::display() {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
display();
|
||||
setController(1);
|
||||
display();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaycontrol |= LCD_DISPLAYON;
|
||||
command(LCD_DISPLAYCONTROL | _displaycontrol);
|
||||
}
|
||||
|
||||
// Turns the underline cursor on/off
|
||||
void LiquidCrystal::noCursor() {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
noCursor();
|
||||
setController(1);
|
||||
noCursor();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaycontrol &= ~LCD_CURSORON;
|
||||
command(LCD_DISPLAYCONTROL | _displaycontrol);
|
||||
}
|
||||
void LiquidCrystal::cursor() {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
cursor();
|
||||
setController(1);
|
||||
cursor();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaycontrol |= LCD_CURSORON;
|
||||
command(LCD_DISPLAYCONTROL | _displaycontrol);
|
||||
}
|
||||
|
||||
// Turn on and off the blinking cursor
|
||||
void LiquidCrystal::noBlink() {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
noBlink();
|
||||
setController(1);
|
||||
noBlink();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaycontrol &= ~LCD_BLINKON;
|
||||
command(LCD_DISPLAYCONTROL | _displaycontrol);
|
||||
}
|
||||
void LiquidCrystal::blink() {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
blink();
|
||||
setController(1);
|
||||
blink();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaycontrol |= LCD_BLINKON;
|
||||
command(LCD_DISPLAYCONTROL | _displaycontrol);
|
||||
}
|
||||
|
||||
// These commands scroll the display without changing the RAM
|
||||
void LiquidCrystal::scrollDisplayLeft(void) {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
scrollDisplayLeft();
|
||||
setController(1);
|
||||
scrollDisplayLeft();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT);
|
||||
}
|
||||
void LiquidCrystal::scrollDisplayRight(void) {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
scrollDisplayRight();
|
||||
setController(1);
|
||||
scrollDisplayRight();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT);
|
||||
}
|
||||
|
||||
// This is for text that flows Left to Right
|
||||
void LiquidCrystal::leftToRight(void) {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
leftToRight();
|
||||
setController(1);
|
||||
leftToRight();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaymode |= LCD_ENTRYLEFT;
|
||||
command(LCD_ENTRYMODESET | _displaymode);
|
||||
}
|
||||
|
||||
// This is for text that flows Right to Left
|
||||
void LiquidCrystal::rightToLeft(void) {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
rightToLeft();
|
||||
setController(1);
|
||||
rightToLeft();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaymode &= ~LCD_ENTRYLEFT;
|
||||
command(LCD_ENTRYMODESET | _displaymode);
|
||||
}
|
||||
|
||||
// This will 'right justify' text from the cursor
|
||||
void LiquidCrystal::autoscroll(void) {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
autoscroll();
|
||||
setController(1);
|
||||
autoscroll();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaymode |= LCD_ENTRYSHIFTINCREMENT;
|
||||
command(LCD_ENTRYMODESET | _displaymode);
|
||||
}
|
||||
|
||||
// This will 'left justify' text from the cursor
|
||||
void LiquidCrystal::noAutoscroll(void) {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
noAutoscroll();
|
||||
setController(1);
|
||||
noAutoscroll();
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
_displaymode &= ~LCD_ENTRYSHIFTINCREMENT;
|
||||
command(LCD_ENTRYMODESET | _displaymode);
|
||||
}
|
||||
|
||||
// Allows us to fill the first 8 CGRAM locations
|
||||
// with custom characters
|
||||
void LiquidCrystal::createChar(uint8_t location, uint8_t charmap[]) {
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
createChar(location, charmap);
|
||||
setController(1);
|
||||
createChar(location, charmap);
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
location &= 0x7; // we only have 8 locations 0-7
|
||||
command(LCD_SETCGRAMADDR | (location << 3));
|
||||
for (int i=0; i<8; i++) {
|
||||
write(charmap[i]);
|
||||
}
|
||||
}
|
||||
|
||||
/*********** mid level commands, for sending data/cmds */
|
||||
|
||||
inline void LiquidCrystal::command(uint8_t value)
|
||||
{
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
command(value);
|
||||
setController(1);
|
||||
command(value);
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
send(value, LOW);
|
||||
}
|
||||
|
||||
inline size_t LiquidCrystal::write(uint8_t value)
|
||||
{
|
||||
if (_numlines == 4 && _d == 0)
|
||||
{
|
||||
_d = 1;
|
||||
setController(0);
|
||||
write(value);
|
||||
setController(1);
|
||||
write(value);
|
||||
_d = 0;
|
||||
return;
|
||||
}
|
||||
send(value, HIGH);
|
||||
return 1; // assume sucess
|
||||
}
|
||||
|
||||
/************ low level data pushing commands **********/
|
||||
|
||||
// write either command or data, with automatic 4/8-bit selection
|
||||
void LiquidCrystal::send(uint8_t value, uint8_t mode) {
|
||||
digitalWrite(_rs_pin, mode);
|
||||
|
||||
// if there is a RW pin indicated, set it low to Write
|
||||
if (_rw_pin != 255) {
|
||||
digitalWrite(_rw_pin, LOW);
|
||||
}
|
||||
|
||||
if (_displayfunction & LCD_8BITMODE) {
|
||||
write8bits(value);
|
||||
} else {
|
||||
write4bits(value>>4);
|
||||
write4bits(value);
|
||||
}
|
||||
}
|
||||
|
||||
void LiquidCrystal::pulseEnable(void) {
|
||||
digitalWrite(_enable_pin, LOW);
|
||||
delayMicroseconds(1);
|
||||
digitalWrite(_enable_pin, HIGH);
|
||||
delayMicroseconds(1); // enable pulse must be >450ns
|
||||
digitalWrite(_enable_pin, LOW);
|
||||
delayMicroseconds(100); // commands need > 37us to settle
|
||||
}
|
||||
|
||||
void LiquidCrystal::write4bits(uint8_t value) {
|
||||
for (int i = 0; i < 4; i++) {
|
||||
digitalWrite(_data_pins[i], (value >> i) & 0x01);
|
||||
}
|
||||
|
||||
pulseEnable();
|
||||
}
|
||||
|
||||
void LiquidCrystal::write8bits(uint8_t value) {
|
||||
for (int i = 0; i < 8; i++) {
|
||||
digitalWrite(_data_pins[i], (value >> i) & 0x01);
|
||||
}
|
||||
|
||||
pulseEnable();
|
||||
}
|
||||
@@ -0,0 +1,116 @@
|
||||
#ifndef LiquidCrystal_h
|
||||
#define LiquidCrystal_h
|
||||
|
||||
#include <inttypes.h>
|
||||
#include "Print.h"
|
||||
|
||||
// commands
|
||||
#define LCD_CLEARDISPLAY 0x01
|
||||
#define LCD_RETURNHOME 0x02
|
||||
#define LCD_ENTRYMODESET 0x04
|
||||
#define LCD_DISPLAYCONTROL 0x08
|
||||
#define LCD_CURSORSHIFT 0x10
|
||||
#define LCD_FUNCTIONSET 0x20
|
||||
#define LCD_SETCGRAMADDR 0x40
|
||||
#define LCD_SETDDRAMADDR 0x80
|
||||
|
||||
// flags for display entry mode
|
||||
#define LCD_ENTRYRIGHT 0x00
|
||||
#define LCD_ENTRYLEFT 0x02
|
||||
#define LCD_ENTRYSHIFTINCREMENT 0x01
|
||||
#define LCD_ENTRYSHIFTDECREMENT 0x00
|
||||
|
||||
// flags for display on/off control
|
||||
#define LCD_DISPLAYON 0x04
|
||||
#define LCD_DISPLAYOFF 0x00
|
||||
#define LCD_CURSORON 0x02
|
||||
#define LCD_CURSOROFF 0x00
|
||||
#define LCD_BLINKON 0x01
|
||||
#define LCD_BLINKOFF 0x00
|
||||
|
||||
// flags for display/cursor shift
|
||||
#define LCD_DISPLAYMOVE 0x08
|
||||
#define LCD_CURSORMOVE 0x00
|
||||
#define LCD_MOVERIGHT 0x04
|
||||
#define LCD_MOVELEFT 0x00
|
||||
|
||||
// flags for function set
|
||||
#define LCD_8BITMODE 0x10
|
||||
#define LCD_4BITMODE 0x00
|
||||
#define LCD_2LINE 0x08
|
||||
#define LCD_1LINE 0x00
|
||||
#define LCD_5x10DOTS 0x04
|
||||
#define LCD_5x8DOTS 0x00
|
||||
|
||||
class LiquidCrystal : public Print {
|
||||
public:
|
||||
LiquidCrystal(uint8_t rs, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
|
||||
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
|
||||
LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
|
||||
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
|
||||
LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
|
||||
LiquidCrystal(uint8_t rs, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
|
||||
LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable1, uint8_t enable2,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
|
||||
|
||||
void init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
|
||||
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
|
||||
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
|
||||
|
||||
void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
|
||||
|
||||
void clear();
|
||||
void home();
|
||||
|
||||
void noDisplay();
|
||||
void display();
|
||||
void noBlink();
|
||||
void blink();
|
||||
void noCursor();
|
||||
void cursor();
|
||||
void scrollDisplayLeft();
|
||||
void scrollDisplayRight();
|
||||
void leftToRight();
|
||||
void rightToLeft();
|
||||
void autoscroll();
|
||||
void noAutoscroll();
|
||||
|
||||
void setRowOffsets(int row1, int row2, int row3, int row4);
|
||||
void createChar(uint8_t, uint8_t[]);
|
||||
void setCursor(uint8_t, uint8_t);
|
||||
virtual size_t write(uint8_t);
|
||||
void command(uint8_t);
|
||||
void setController(int i);
|
||||
|
||||
using Print::write;
|
||||
private:
|
||||
|
||||
void send(uint8_t, uint8_t);
|
||||
void write4bits(uint8_t);
|
||||
void write8bits(uint8_t);
|
||||
void pulseEnable();
|
||||
|
||||
uint8_t _rs_pin; // LOW: command. HIGH: character.
|
||||
uint8_t _rw_pin; // LOW: write to LCD. HIGH: read from LCD.
|
||||
uint8_t _enable_pin; // activated by a HIGH pulse.
|
||||
uint8_t _enable_pin1; // activated by a HIGH pulse.
|
||||
uint8_t _enable_pin2; // activated by a HIGH pulse.
|
||||
uint8_t _data_pins[8];
|
||||
|
||||
uint8_t _displayfunction;
|
||||
uint8_t _displaycontrol;
|
||||
uint8_t _displaymode;
|
||||
|
||||
uint8_t _initialized;
|
||||
|
||||
uint8_t _numlines;
|
||||
uint8_t _row_offsets[4];
|
||||
|
||||
uint8_t _d;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,163 @@
|
||||
#include <LiquidCrystal.h>
|
||||
|
||||
LiquidCrystal lcd(9, 8, 7, 6, 5, 4, 3, 2);
|
||||
|
||||
int row = 0;
|
||||
int line = 0;
|
||||
bool controller = false;
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
// set up the LCD's number of columns and rows:
|
||||
lcd.begin(40, 4);
|
||||
lcd.clear();
|
||||
lcd.home();
|
||||
}
|
||||
|
||||
#define LCDSERIALIZER_LCDI 0xFE
|
||||
|
||||
byte serial_getch() {
|
||||
int incoming;
|
||||
while (Serial.available() == 0) {
|
||||
}
|
||||
// read the incoming byte:
|
||||
incoming = Serial.read();
|
||||
//Serial.write(incoming);
|
||||
|
||||
return (incoming & 0xff);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
byte rxbyte = serial_getch(); // Fetch byte
|
||||
|
||||
if (rxbyte == LCDSERIALIZER_LCDI) // If LCD instruction
|
||||
{
|
||||
//Serial.write("[CMD]");
|
||||
|
||||
rxbyte = serial_getch(); // Fetch byte
|
||||
|
||||
if (rxbyte == 0x01)
|
||||
{
|
||||
Serial.println("Clear screen");
|
||||
}
|
||||
else if (rxbyte == 0x0c)
|
||||
{
|
||||
Serial.println("Restore the display (with cursor hidden)");
|
||||
}
|
||||
else if (rxbyte == 0x08)
|
||||
{
|
||||
Serial.println("Blank the display (without clearing)");
|
||||
}
|
||||
else if (rxbyte == 0x0c)
|
||||
{
|
||||
Serial.println("Make cursor invisible");
|
||||
}
|
||||
else if (rxbyte == 0x0f)
|
||||
{
|
||||
Serial.println("Turn on visible blinking-block cursor");
|
||||
}
|
||||
else if (rxbyte == 0x0e)
|
||||
{
|
||||
Serial.println("Turn on visible underline cursor");
|
||||
}
|
||||
else if (rxbyte == 0x10)
|
||||
{
|
||||
Serial.println("Move cursor one character left");
|
||||
}
|
||||
else if (rxbyte == 0x14)
|
||||
{
|
||||
Serial.println("Move cursor one character right");
|
||||
}
|
||||
else if (rxbyte == 0x15)
|
||||
{
|
||||
Serial.println("(15)Move cursor one character right");
|
||||
}
|
||||
else if (rxbyte == 0x02)
|
||||
{
|
||||
Serial.println("Home (move cursor to top/left character position)");
|
||||
}
|
||||
else if (rxbyte == 0x18)
|
||||
{
|
||||
Serial.println("Scroll display one character left (all lines)");
|
||||
}
|
||||
else if (rxbyte == 0x1e)
|
||||
{
|
||||
Serial.println("Scroll display one character right (all lines)");
|
||||
}
|
||||
else if (rxbyte == 0x20)
|
||||
{
|
||||
Serial.println("Function set (4-bit interface, 1 line, 5*7 Pixels)");
|
||||
}
|
||||
else if (rxbyte == 0x28)
|
||||
{
|
||||
Serial.println("Function set (4-bit interface, 2 lines, 5*7 Pixels)");
|
||||
}
|
||||
else if (rxbyte == 0x30)
|
||||
{
|
||||
Serial.println("Function set (8-bit interface, 1 line, 5*7 Pixels)");
|
||||
}
|
||||
else if (rxbyte == 0x38)
|
||||
{
|
||||
Serial.println("Function set (8-bit interface, 2 lines, 5*7 Pixels)");
|
||||
}
|
||||
else if (rxbyte == 0x80) // set ddram address command.
|
||||
{
|
||||
serial_getch(); // instruction
|
||||
row = serial_getch();
|
||||
serial_getch(); // instruction
|
||||
line = serial_getch();
|
||||
|
||||
lcd.setCursor(line, row);
|
||||
|
||||
Serial.println("Set Cursor to " + String(row) + "," + String(line));
|
||||
|
||||
return;
|
||||
}
|
||||
else if (rxbyte & 0x40) // set cgram address, cgram is custom character ram.
|
||||
{
|
||||
Serial.println("Set pointer in character-generator RAM (CG RAM address)");
|
||||
Serial.println("[");
|
||||
|
||||
lcd.setController(0);
|
||||
lcd.command(rxbyte);
|
||||
lcd.setController(1);
|
||||
lcd.command(rxbyte);
|
||||
|
||||
// get custom char
|
||||
for (int i = 0; i < 8; i++)
|
||||
{
|
||||
rxbyte = serial_getch(); // Fetch byte
|
||||
|
||||
String thisString = String(rxbyte, HEX);
|
||||
Serial.println(thisString);
|
||||
|
||||
lcd.setController(0);
|
||||
lcd.write(rxbyte);
|
||||
lcd.setController(1);
|
||||
lcd.write(rxbyte);
|
||||
}
|
||||
|
||||
Serial.println("]");
|
||||
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
// print byte.
|
||||
String thisString = String(rxbyte, HEX);
|
||||
Serial.println("UNKNOWN " + thisString);
|
||||
}
|
||||
|
||||
lcd.command(rxbyte);
|
||||
}
|
||||
else
|
||||
{
|
||||
// print byte.
|
||||
//String thisString = String(rxbyte, HEX);
|
||||
//Serial.println(thisString);
|
||||
//Serial.println("position " + String(row) + " " + String(line));
|
||||
|
||||
lcd.write(rxbyte);
|
||||
// line++;
|
||||
}
|
||||
}
|
||||
Binary file not shown.
Binary file not shown.
@@ -0,0 +1,153 @@
|
||||
# LCDd.conf
|
||||
#
|
||||
# This file contains the configuration for the LCDd server.
|
||||
#
|
||||
# The format is ini-file-like. It is divided into sections that start at
|
||||
# markers that look like [section]. Comments are all line-based comments,
|
||||
# and are lines that start with '#' or ';'.
|
||||
#
|
||||
# The server has a 'central' section named [server]. For the menu there is
|
||||
# a section called [menu]. Further each driver has a section which
|
||||
# defines how the driver acts.
|
||||
#
|
||||
# The drivers are activated by specifiying them in a driver= line in the
|
||||
# server section, like:
|
||||
#
|
||||
# Driver=curses
|
||||
#
|
||||
# This tells LCDd to use the curses driver.
|
||||
# The first driver that is loaded and is capable of output defines the
|
||||
# size of the display. The default driver to use is curses.
|
||||
# If -d is specified on the command line, the Driver= options in the
|
||||
# config file are ignored.
|
||||
#
|
||||
# The drivers read their own options from the respective sections.
|
||||
|
||||
|
||||
## Server section with all kinds of settings for the LCDd server ##
|
||||
[server]
|
||||
|
||||
# Tells the server to load the given drivers. Multiple lines can be given.
|
||||
# The name of the driver is exactly the same as the name of the driver
|
||||
# module that is to be loaded, including the case of the letters !
|
||||
# (That is: unless a file= option is given in the driver section)
|
||||
Driver=hd44780
|
||||
|
||||
# Tells the driver to bind to the given interface
|
||||
Bind=127.0.0.1
|
||||
|
||||
# Listen on this specified port; defaults to 13666.
|
||||
Port=13666
|
||||
|
||||
# Sets the reporting level; defaults to 2 (warnings and errors only).
|
||||
#ReportLevel=3
|
||||
|
||||
# Should we report to syslog instead of stderr ? Default: no
|
||||
#ReportToSyslog=yes
|
||||
|
||||
# Sets the default time in seconds to displays a screen.
|
||||
WaitTime=8
|
||||
|
||||
# User to run as. LCDd will drop its root priviledges,
|
||||
# if any, and run as this user instead.
|
||||
User=nobody
|
||||
|
||||
# If yes, the the serverscreen will be rotated as a usual info screen. If no,
|
||||
# it will be a background screen, only visible when no other screens are
|
||||
# active.
|
||||
ServerScreen=no
|
||||
|
||||
# The server will stay in the foreground if set to true.
|
||||
#Foreground=no
|
||||
|
||||
# Where can we find the driver modules ?
|
||||
# IMPORTANT: Make sure to change this setting to reflect your
|
||||
# specific setup! Otherwise LCDd won't be able to find
|
||||
# the driver modules and will thus not be able to
|
||||
# function properly.
|
||||
# NOTE: Always place a slash as last character !
|
||||
DriverPath=/usr/local/lib/lcdproc/
|
||||
|
||||
# The "...Key=" lines define what the server does with keypresses that
|
||||
# don't go to any client.
|
||||
# These are the defaults:
|
||||
ToggleRotateKey=Enter
|
||||
PrevScreenKey=Left
|
||||
NextScreenKey=Right
|
||||
#ScrollUpKey=Up
|
||||
#ScrollDownKey=Down
|
||||
|
||||
# If you have only 4 keys, you can choose to use this:
|
||||
#ToggleRotateKey=Enter
|
||||
#PrevScreenKey=Up
|
||||
#NextScreenKey=Down
|
||||
|
||||
# If you have only 3 keys, you can choose to use this:
|
||||
#ToggleRotateKey=Enter
|
||||
#PrevScreenKey=Up
|
||||
|
||||
|
||||
|
||||
## The menu section. The menu is an internal LCDproc client. ##
|
||||
[menu]
|
||||
# You can configure what keys the menu should use. Note that the MenuKey
|
||||
# will be reserved exclusively, the others work in shared mode.
|
||||
|
||||
# The following works excellent with 4 keys or more.
|
||||
MenuKey=Escape
|
||||
EnterKey=Enter
|
||||
UpKey=Up
|
||||
DownKey=Down
|
||||
# If you have 6 keys you may define these as well
|
||||
#LeftKey=Left
|
||||
#RightKey=Right
|
||||
|
||||
# If you have only 3 keys, you could use something like this:
|
||||
#MenuKey=Escape
|
||||
#EnterKey=Enter
|
||||
#DownKey=Down
|
||||
|
||||
|
||||
|
||||
### Driver sections are below this line, in alphabetical order ###
|
||||
## Hitachi HD44780 driver ##
|
||||
[hd44780]
|
||||
|
||||
# Port where the LPT is. Usual values are 0x278, 0x378 and 0x3BC
|
||||
#Port=0x378
|
||||
|
||||
Device=/dev/serial/by-id/usb-1a86_USB2.0-Serial-if00-port0
|
||||
|
||||
# Select what type of connection. See documentation for types.
|
||||
connectionType=lcdserializer
|
||||
#connectionType=picanlcd
|
||||
|
||||
|
||||
Speed=115200
|
||||
|
||||
RefreshDisplay=1
|
||||
|
||||
# Specifies the size of the LCD.
|
||||
# In case of multiple combined displays, this should be the total size.
|
||||
Size=40x4
|
||||
|
||||
# For multiple combined displays: how many lines does each display have.
|
||||
# Vspan=2,2 means both displays have 2 lines.
|
||||
#vspan=2,2
|
||||
|
||||
# If you have a KS0073 or an other 'almost HD44780-compatible', set this
|
||||
# flag to get into extended mode (4-line linear).
|
||||
# This flag is NOT the old obsolete Extended option.
|
||||
#ExtendedMode=yes
|
||||
|
||||
# If your display is slow and cannot keep up with the flow of data from
|
||||
# LCDd, garbage can appear on the LCDd. Set this delay factor to 2 or 4
|
||||
# to increase the delays. Default: 1.
|
||||
DelayMult=12
|
||||
|
||||
# You can reduce the inserted delays by setting this to false.
|
||||
# On fast PCs it is possible your LCD does not respond correctly.
|
||||
# Default: true.
|
||||
DelayBus=false
|
||||
|
||||
# EOF
|
||||
@@ -0,0 +1,14 @@
|
||||
# copy/git lcdproc to server
|
||||
|
||||
cd ./lcdproc
|
||||
sudo apt-get install autoconf automake make build-essential pkg-config
|
||||
sudo sh autogen.sh
|
||||
./configure --prefix=/usr/local --enable-drivers=all
|
||||
sudo make
|
||||
sudo make install
|
||||
|
||||
|
||||
# LCDd.conf driverpath= whereis lcdproc
|
||||
copy /LCDd.conf to /usr/local/etc/ # whereis LCDd.conf
|
||||
sudo LCDd
|
||||
sudo lcdproc K
|
||||
@@ -0,0 +1,148 @@
|
||||
# LCDproc client configuration file
|
||||
|
||||
## general options ##
|
||||
[lcdproc]
|
||||
# address of the LCDd server to connect to
|
||||
Server=localhost
|
||||
|
||||
# Port of the server to connect to
|
||||
Port=13666
|
||||
|
||||
# set reporting level
|
||||
ReportLevel=2
|
||||
|
||||
# report to to syslog ?
|
||||
ReportToSyslog=false
|
||||
|
||||
# run in foreground [default: false; legal: true, false]
|
||||
#Foreground=true
|
||||
|
||||
# PidFile location when running as daemon [default: /var/run/lcdproc.pid]
|
||||
#PidFile=/var/run/lcdproc.pid
|
||||
|
||||
# slow down initial announcement of modes (in 1/100s)
|
||||
#delay=2
|
||||
|
||||
# display name for the main menu [default: LCDproc HOST]
|
||||
#DisplayName=lcdproc
|
||||
|
||||
|
||||
## screen specific configuration options ##
|
||||
|
||||
[CPU]
|
||||
# Show screen
|
||||
Active=True
|
||||
OnTime=1
|
||||
OffTime=2
|
||||
ShowInvisible=false
|
||||
|
||||
|
||||
[Iface]
|
||||
# Show screen
|
||||
Active=True
|
||||
|
||||
# Show stats for Interface0
|
||||
Interface0=eth0
|
||||
# Interface alias name to display [default: <interface name>]
|
||||
Alias0=ETH0
|
||||
|
||||
# Show stats for Interface1
|
||||
#Interface1=eth1
|
||||
#Alias1=WAN
|
||||
|
||||
# Show stats for Interface2
|
||||
#Interface2=eth2
|
||||
#Alias2=MGMT
|
||||
|
||||
# for more than 3 interfaces change MAX_INTERFACES in iface.h and rebuild
|
||||
|
||||
# Units to display [default: byte; legal: byte, bit, packet]
|
||||
unit=byte
|
||||
|
||||
# add screen with transferred traffic
|
||||
#transfer=TRUE
|
||||
|
||||
|
||||
[Memory]
|
||||
# Show screen
|
||||
Active=True
|
||||
|
||||
|
||||
[Load]
|
||||
# Show screen
|
||||
Active=True
|
||||
# Min Load Avg at which the backlight will be turned off [default: 0.05]
|
||||
LowLoad=0.05
|
||||
# Max Load Avg at which the backlight will start blinking [default: 1.3]
|
||||
HighLoad=1.3
|
||||
|
||||
|
||||
[TimeDate]
|
||||
# Show screen
|
||||
Active=True
|
||||
# time format [default: %H:%M:%S; legal: see strftime(3)]
|
||||
TimeFormat="%H:%M:%S"
|
||||
# date format [default: %x; legal: see strftime(3)]
|
||||
DateFormat="%x"
|
||||
|
||||
|
||||
[About]
|
||||
# Show screen
|
||||
Active=true
|
||||
|
||||
|
||||
[SMP-CPU]
|
||||
# Show screen
|
||||
Active=true
|
||||
|
||||
|
||||
[OldTime]
|
||||
# Show screen
|
||||
Active=false
|
||||
# time format [default: %H:%M:%S; legal: see strftime(3)]
|
||||
TimeFormat="%H:%M:%S"
|
||||
# date format [default: %x; legal: see strftime(3)]
|
||||
DateFormat="%x"
|
||||
# Display the title bar in two-line mode. Note that with four lines or more
|
||||
# the title is always shown. [default: true; legal: true, false]
|
||||
#ShowTitle=false
|
||||
|
||||
|
||||
[BigClock]
|
||||
# Show screen
|
||||
Active=true
|
||||
|
||||
|
||||
[Uptime]
|
||||
# Show screen
|
||||
Active=true
|
||||
|
||||
|
||||
[Battery]
|
||||
# Show screen
|
||||
Active=false
|
||||
|
||||
|
||||
[CPUGraph]
|
||||
# Show screen
|
||||
Active=true
|
||||
|
||||
|
||||
[ProcSize]
|
||||
# Show screen
|
||||
Active=true
|
||||
|
||||
|
||||
[Disk]
|
||||
# Show screen
|
||||
Active=true
|
||||
|
||||
|
||||
[MiniClock]
|
||||
# Show screen
|
||||
Active=false
|
||||
# time format [default: %H:%M; legal: see strftime(3)]
|
||||
TimeFormat="%H:%M"
|
||||
|
||||
|
||||
# EOF
|
||||
Reference in New Issue
Block a user