EBOLED Class Reference

Public Member Functions
synchronized void	delete ()
	EBOLED (int spi, int CD, int reset)
	EBOLED (int spi, int CD)
	EBOLED (int spi)
int	refresh ()
int	write (String msg)
int	setCursor (int row, int column)
void	setTextColor (short textColor)
void	setTextSize (short size)
void	setTextWrap (short wrap)
void	drawChar (short x, short y, short data, short color, short size)
int	clear ()
void	clearScreenBuffer ()
int	home ()
void	drawPixel (byte x, byte y, short color)
void	drawPixel (byte x, byte y)
void	drawLine (byte x0, byte y0, byte x1, byte y1, short color)
void	drawLine (byte x0, byte y0, byte x1, byte y1)
void	drawLineHorizontal (byte x, byte y, short width, short color)
void	drawLineHorizontal (byte x, byte y, short width)
void	drawLineVertical (byte x, byte y, short height, short color)
void	drawLineVertical (byte x, byte y, short height)
void	drawRectangle (byte x, byte y, short width, short height, short color)
void	drawRectangle (byte x, byte y, short width, short height)
void	drawRoundedRectangle (byte x, byte y, byte width, byte height, short radius, short color)
void	drawRectangleFilled (byte x, byte y, short width, short height, short color)
void	drawRectangleFilled (byte x, byte y, short width, short height)
void	drawTriangle (byte x0, byte y0, byte x1, byte y1, byte x2, byte y2, short color)
void	drawTriangle (byte x0, byte y0, byte x1, byte y1, byte x2, byte y2)
void	drawTriangleFilled (byte x0, byte y0, byte x1, byte y1, byte x2, byte y2, short color)
void	drawCircle (short x0, short y0, short radius, short color)
void	drawCircle (short x0, short y0, short radius)
void	drawRoundCorners (byte x0, byte y0, short radius, short cornername, short color)
void	drawCircleFilled (byte x0, byte y0, short radius, short color)
void	drawRoundedCornersFilled (byte x0, byte y0, short radius, short cornername, short delta, short color)
void	fillScreen (short color)
void	fillScreen ()
Public Member Functions inherited from LCD
synchronized void	delete ()
int	write (int x, int y, String msg)
int	write (String msg)
int	setCursor (int row, int column)
int	clear ()
int	home ()
String	name ()

Constructor & Destructor Documentation

EBOLED	(	int	spi,
		int	CD,
		int	reset
	)

EBOLED Constructor. Note that you will not have any choice as to the pins used, so they are all set to default values.

Parameters

spi	spi bus to use
CD	Command/Data select pin
reset	reset pin
address	the slave address the lcd is registered on

Member Function Documentation

int clear

(

)

Clear display

Returns

result of operation

void drawChar	(	short	x,
		short	y,
		short	data,
		short	color,
		short	size
	)

Write a single character to the screen.

Parameters

x	Axis on the horizontal scale
y	Axis on the vertical scale
data	Character to write
color	Character color
bg	Character background color
size	Size of the font

void drawCircle	(	short	x0,
		short	y0,
		short	radius,
		short	color
	)

Draw a circle to the screen buffer.

Parameters

x0	the x coordinate of the circle's center
y0	the y coordinate of the circle's center
radius	the radius of the circle
color	outline is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawCircleFilled	(	byte	x0,
		byte	y0,
		short	radius,
		short	color
	)

Draw a filled circle to the screen buffer.

Parameters

x0	the x coordinate of the circle's center
y0	the y coordinate of the circle's center
radius	the radius of the circle
color	outline is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawLine	(	byte	x0,
		byte	y0,
		byte	x1,
		byte	y1,
		short	color
	)

Draw a line to the screen buffer.

Parameters

x0	the x position of the beginning of the line
y0	the y position of the beginning of the line
x1	the x position of the end of the line
y1	the y position of the end of the line
color	line is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawLineHorizontal	(	byte	x,
		byte	y,
		short	width,
		short	color
	)

Draw a horizontal line to the screen buffer.

Parameters

x	the x position of the beginning of the line
y	the y position of the beginning of the line
width	is the horizontal length of the line
color	line is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawLineVertical	(	byte	x,
		byte	y,
		short	height,
		short	color
	)

Draw a vertical line to the screen buffer.

Parameters

x	the x position of the beginning of the line
y	the y position of the beginning of the line
width	is the vertical length of the line
color	line is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawPixel	(	byte	x,
		byte	y,
		short	color
	)

Write a single pixel to the screen buffer. Can do an specific color write or toggle (xor) a pixel.

Parameters

x	the x position of the pixel
y	the y position of the pixel
color	pixel is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawRectangle	(	byte	x,
		byte	y,
		short	width,
		short	height,
		short	color
	)

Draw a rectangle to the screen buffer.

Parameters

x	the left edge
y	the top edge
width	sets the right edge
height	bottom edge
color	outline is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawRectangleFilled	(	byte	x,
		byte	y,
		short	width,
		short	height,
		short	color
	)

Draw a filled rectangle to the screen buffer.

Parameters

x	the left edge
y	the top edge
width	sets the right edge
height	bottom edge
color	fill color is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawRoundCorners	(	byte	x0,
		byte	y0,
		short	radius,
		short	cornername,
		short	color
	)

Draw a quarter circle arc to the screen buffer.

Parameters

x0	the x coordinate of the arc's center
y0	the y coordinate of the arc's center
radius	the radius of the arc
cornername	denotes which of the 4 quarters to draw - 1,2,4,8
color	outline is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawRoundedCornersFilled	(	byte	x0,
		byte	y0,
		short	radius,
		short	cornername,
		short	delta,
		short	color
	)

Draw a quarter pie to the screen buffer.

Parameters

x0	the x coordinate of the arc's center
y0	the y coordinate of the arc's center
radius	the radius of the arc
cornername	denotes which of the 4 quarters to draw - 1,2,4,8
color	fill color is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawRoundedRectangle	(	byte	x,
		byte	y,
		byte	width,
		byte	height,
		short	radius,
		short	color
	)

Draw a rectangle with rounded corners to the screen buffer.

Parameters

x	the left edge
y	the top edge
width	sets the right edge
height	bottom edge
radius	of the rounded corners
color	outline is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawTriangle	(	byte	x0,
		byte	y0,
		byte	x1,
		byte	y1,
		byte	x2,
		byte	y2,
		short	color
	)

Draw a triangle to the screen buffer.

Parameters

x0	the x coordinate of the first corner
y0	the y coordinate of the first corner
x1	the x coordinate of the second corner
y1	the y coordinate of the second corner
x2	the x coordinate of the third corner
y2	the y coordinate of the third corner
color	outline is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void drawTriangleFilled	(	byte	x0,
		byte	y0,
		byte	x1,
		byte	y1,
		byte	x2,
		byte	y2,
		short	color
	)

Draw a filled triangle to the screen buffer.

Parameters

x0	the x coordinate of the first corner
y0	the y coordinate of the first corner
x1	the x coordinate of the second corner
y1	the y coordinate of the second corner
x2	the x coordinate of the third corner
y2	the y coordinate of the third corner
color	fill color is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void fillScreen

(

short

color

)

Fill the screen buffer with specified color.

Parameters

color

fill color is COLOR_WHITE, COLOR_BLACK or COLOR_XOR

int home

(

)

Return to coordinate 0,0

Returns

result of operation

int refresh

(

)

Draw the buffer to screen, see examples/python/make_oled_pic.py for an explanation on how the pixels are mapped to bytes.

Parameters

data	the buffer to write
bytes	the number of bytes to write

Returns

result of operation

int setCursor	(	int	row,
		int	column
	)

Set cursor to a coordinate

Parameters

y	Axis on the vertical scale. This device supports 6 rows.
x	Axis on the horizontal scale This device supports 64 columns

Returns

result of operation

void setTextColor

(

short

textColor

)

Sets a text color for a message

Parameters

textColor

Font color: COLOR_WHITE, COLOR_BLACK or COLOR_XOR

void setTextSize

(

short

size

)

Sets the size of the font

Parameters

size

Font size

void setTextWrap

(

short

wrap

)

Wraps a printed message

Parameters

wrap	True (1) or false (0)

int write

(

String

msg

)

Write a string to LCD

Parameters

msg	the std::string to write to display, note only ascii chars are supported

Returns

result of operation

Inheritance diagram for EBOLED:

Collaboration diagram for EBOLED:

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The documentation for this class was generated from the following file:

• /var/lib/jenkins/workspace/upm-doc-stable/build-33/src/lcd/EBOLED.java