Arduino Toolkit - arduinoioaddons.ExampleLCD.LCD

: arduinoioaddons.LCDAddon.LCD

Basic Example octave addon for LCD

Allows basic manipulation of an LCD as a illustration of using the addon functionality.

Example

Assuming the arduino has been programmed with the lcd addon:

 a = arduino();
 lcd = addon(a, "examplelcd/lcd", "d8", "d9", "d4", "d5", "d6", "d7")
 clearLCD(lcd);
 printLCD(lcd, "Hello");
 # go to next line
 gotoLCD(lcd, 0, 1);
 printLCD(lcd, "World");
 

See also: addon.

Properties

Pins - the pins allocated the LCD display.

Methods

: lcd = LCD(arObj, rs, enable, d0, d1, d2, d3)

Constructor to create LCD device

Inputs

arObj - the arduino parent object

rs - the pin to use for the rs line.

enable - the pin to use for the enable line.

d0 - the pin to use for the d0 line.

d1 - the pin to use for the d1 line.

d2 - the pin to use for the d2 line.

d3 - the pin to use for the d3 line.

Outputs

lcd - created LCD object

: freeLCD()

Free the LCD

Should be called before discarding the LCD

Inputs

None.

Outputs

None.

: clearLCD()

Clear the LCD display and set the cursor position to the home position.

Inputs

None.

Outputs

None.

: printLCD(text)

Display text on LCD starting at the current cursor position.

Inputs

text - text to display on LCD

Outputs

None.

: gotoLCD(col, row)

Set the cursor position to row, col

Inputs

col - 0 indexed LCD column to position to.

row - 0 indexed LCD row to position to.

Outputs

None.