Adafruit_Microbit_Matrix Class Reference

#include <Adafruit_Microbit.h>

Inheritance diagram for Adafruit_Microbit_Matrix:

Public Member Functions
boolean	begin (void)
	Initialized the 5x5 matrix and scanning IRQ. More...
void	drawPixel (int16_t x, int16_t y, uint16_t color)
	Draw a single pixel/LED on the 5x5 matrix. More...
void	fillScreen (uint16_t color)
	Fill the 5x5 matrix with an LED 'color'. More...
void	clear (void)
	Clear the 5x5 matrix.
void	rowHandler (void)
	Matrix object function called by IRQ handler for each row This is not optimized at all but its not so bad either!
void	show (const uint8_t bitmap[])
	Display a 5-byte bitmap on the 5x5 LED matrix. More...
void	scrollText (char *string, uint8_t stepdelay=150)
	Scroll display a string on the 5x5 LED matrix. More...
void	print (char *string)
	Display a string on the 5x5 LED matrix. More...
void	print (int32_t i)
	Display a signed number on the 5x5 LED matrix. More...
void	print (int i)
	Display a signed number on the 5x5 LED matrix. More...
void	print (double f, int precision=3)
	Display a floating point number on the 5x5 LED matrix. More...

Static Public Attributes
static const uint8_t	EMPTYHEART [5]
	an empty heart icon More...
static const uint8_t	HEART [5]
	full heart icon More...
static const uint8_t	NO [5]
	X icon. More...
static const uint8_t	YES [5]
	Check icon. More...
static const uint8_t	MICROBIT_SMILE [5]
	smile icon More...

Detailed Description

Class to create Adafruit_GFX interface for 5x5 matrix of micro:bit

Member Function Documentation

begin()

boolean Adafruit_Microbit_Matrix::begin

(

void

)

Initialized the 5x5 matrix and scanning IRQ.

Returns

True

drawPixel()

void Adafruit_Microbit_Matrix::drawPixel	(	int16_t	x,
		int16_t	y,
		uint16_t	color
	)

Draw a single pixel/LED on the 5x5 matrix.

Parameters

x	0 to 4 column
y	0 to 4 row
color	1 for LEDs on, 0 for off

fillScreen()

void Adafruit_Microbit_Matrix::fillScreen

(

uint16_t

color

)

Fill the 5x5 matrix with an LED 'color'.

Parameters

color

1 for LEDs on, 0 for off

show()

void Adafruit_Microbit_Matrix::show

(

const uint8_t

bitmap[]

)

Display a 5-byte bitmap on the 5x5 LED matrix.

Parameters

bitmap

5 byte bitmap

scrollText()

void Adafruit_Microbit_Matrix::scrollText	(	char *	string,
		uint8_t	stepdelay = 150
	)

Scroll display a string on the 5x5 LED matrix.

Parameters

string	Null-terminated ascii string
stepdelay	Milliseconds per scroll step

print() [1/4]

void Adafruit_Microbit_Matrix::print

(

char *

string

)

Display a string on the 5x5 LED matrix.

Parameters

string

Null-terminated ascii string

print() [2/4]

void Adafruit_Microbit_Matrix::print

(

int32_t

i

)

Display a signed number on the 5x5 LED matrix.

Parameters

i

The value

print() [3/4]

void Adafruit_Microbit_Matrix::print

(

int

i

)

Display a signed number on the 5x5 LED matrix.

Parameters

i

The value

print() [4/4]

void Adafruit_Microbit_Matrix::print	(	double	f,
		int	precision = 3
	)

Display a floating point number on the 5x5 LED matrix.

Parameters

f	The floating point value
precision	Digits after decimal

Member Data Documentation

EMPTYHEART

const uint8_t Adafruit_Microbit_Matrix::EMPTYHEART

static

Initial value:

= {
    B01010, B10101, B10001, B01010, B00100,
}

an empty heart icon

HEART

const uint8_t Adafruit_Microbit_Matrix::HEART

static

Initial value:

= {
    B01010, B11111, B11111, B01110, B00100,
}

full heart icon

NO

const uint8_t Adafruit_Microbit_Matrix::NO

static

Initial value:

= {
    B10001, B01010, B00100, B01010, B10001,
}

X icon.

YES

const uint8_t Adafruit_Microbit_Matrix::YES

static

Initial value:

= {
    B00000, B00001, B00010, B10100, B01000,
}

Check icon.

MICROBIT_SMILE

const uint8_t Adafruit_Microbit_Matrix::MICROBIT_SMILE

static

Initial value:

= {
    B00000, B01010, B00000, B10001, B01110,
}

smile icon

Preset smile image for LED matrix.

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

• Adafruit_Microbit.h
• Adafruit_Microbit.cpp