AH::MAX7219_Base Class Reference

A base class for classes that control MAX7219 LED drivers. More...

#include <MAX7219_Base.hpp>

Inheritance diagram for AH::MAX7219_Base:

Collaboration diagram for AH::MAX7219_Base:

Public Member Functions
	MAX7219_Base (pin_t loadPin)
	Create a MAX7219_Base object. More...
void	init ()
	Initialize the Arduino pins, SPI, and the MAX7219. More...
void	clear ()
	Turn off all LEDs. More...
void	send (uint8_t digit, uint8_t value)
	Send the value to the given digit. More...
void	sendRaw (uint8_t opcode, uint8_t value)
	Send a raw opcode and value to the MAX7219. More...
void	setIntensity (uint8_t intensity)
	Set the intensity of the LEDs. More...

Static Public Attributes
static constexpr uint8_t	DECODEMODE = 9
static constexpr uint8_t	INTENSITY = 10
static constexpr uint8_t	SCANLIMIT = 11
static constexpr uint8_t	SHUTDOWN = 12
static constexpr uint8_t	DISPLAYTEST = 15

Private Attributes
pin_t	loadPin
SPISettings	settings = {SPI_MAX_SPEED, MSBFIRST, SPI_MODE0}

Detailed Description

A base class for classes that control MAX7219 LED drivers.

The SPI interface is used.

Todo:

Wiring diagram for SPI connection.

Definition at line 23 of file MAX7219_Base.hpp.

Constructor & Destructor Documentation

MAX7219_Base()

AH::MAX7219_Base::MAX7219_Base ( pin_t  loadPin )

inline

Create a MAX7219_Base object.

Parameters

loadPin

The pin connected to the load pin (C̄S̄) of the MAX7219.

Definition at line 31 of file MAX7219_Base.hpp.

Member Function Documentation

init()

void AH::MAX7219_Base::init ( )

inline

Initialize the Arduino pins, SPI, and the MAX7219.

Todo:

Rename to update.

Definition at line 43 of file MAX7219_Base.hpp.

clear()

void AH::MAX7219_Base::clear ( )

inline

Turn off all LEDs.

Definition at line 58 of file MAX7219_Base.hpp.

send()

void AH::MAX7219_Base::send ( uint8_t  digit, uint8_t  value  )

inline

Send the value to the given digit.

Parameters

digit	The digit or row to set [0, 7].
value	The value to set the row to.

Definition at line 71 of file MAX7219_Base.hpp.

sendRaw()

void AH::MAX7219_Base::sendRaw ( uint8_t  opcode, uint8_t  value  )

inline

Send a raw opcode and value to the MAX7219.

Parameters

opcode	The opcode to send.
value	The value to send.

Definition at line 83 of file MAX7219_Base.hpp.

setIntensity()

void AH::MAX7219_Base::setIntensity ( uint8_t  intensity )

inline

Set the intensity of the LEDs.

Parameters

intensity

The intensity [0, 15].

Definition at line 98 of file MAX7219_Base.hpp.

Member Data Documentation

DECODEMODE

constexpr uint8_t AH::MAX7219_Base::DECODEMODE = 9

staticconstexpr

Definition at line 33 of file MAX7219_Base.hpp.

INTENSITY

constexpr uint8_t AH::MAX7219_Base::INTENSITY = 10

staticconstexpr

Definition at line 34 of file MAX7219_Base.hpp.

SCANLIMIT

constexpr uint8_t AH::MAX7219_Base::SCANLIMIT = 11

staticconstexpr

Definition at line 35 of file MAX7219_Base.hpp.

SHUTDOWN

constexpr uint8_t AH::MAX7219_Base::SHUTDOWN = 12

staticconstexpr

Definition at line 36 of file MAX7219_Base.hpp.

DISPLAYTEST

constexpr uint8_t AH::MAX7219_Base::DISPLAYTEST = 15

staticconstexpr

Definition at line 37 of file MAX7219_Base.hpp.

loadPin

pin_t AH::MAX7219_Base::loadPin

private

Definition at line 103 of file MAX7219_Base.hpp.

settings

SPISettings AH::MAX7219_Base::settings = {SPI_MAX_SPEED, MSBFIRST, SPI_MODE0}

private

Definition at line 104 of file MAX7219_Base.hpp.

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

• MAX7219_Base.hpp