#include <modm/driver/display/hd44780.hpp>

Inheritance diagram for modm::Hd44780< DATA, RW, RS, E >:

Public Types
enum	Command { ClearDisplay = 0b00000001, ResetCursor = 0b00000010, IncrementCursor = 0b00000110, DecrementCursor = 0b00000100, DisableDisplay = 0b00001000, EnableDisplay = 0b00001100, DisableCursor = 0b00001000, EnableCursor = 0b00001010, DisableCursorBlink = 0b00001000, EnableCursorBlink = 0b00001001, ShiftCursorLeft = 0b00010000, ShiftCursorRight = 0b00010100 }

Public Member Functions
	Hd44780 (uint8_t width, uint8_t height)
	Constructor.

void	initialize ()

virtual void	writeRaw (char c)

virtual void	setCursor (uint8_t column, uint8_t line)

void	execute (Command command)

void	clear ()

void	writeCGRAM (uint8_t character, const uint8_t *cg)

IOStream &	ascii ()
	set the output mode to ASCII style for integer types

IOStream &	bin ()
	set the output mode to binary style for integer types

IOStream &	endl ()

IOStream &	flush ()

IOStream &	get (char &c)
	Reads one character and returns it if available. Otherwise, returns IOStream::eof.

IOStream &	get (char *s, size_t n)

template<size_t N>
IOStream &	get (char (&s)[N])

IOStream &	hex ()
	set the output mode to hexadecimal style for integer types

IOStream &	operator<< (const bool &v)

IOStream &	operator<< (const char &v)

IOStream &	operator<< (const uint8_t &v)

IOStream &	operator<< (const int16_t &v)

IOStream &	operator<< (const uint16_t &v)

IOStream &	operator<< (const int32_t &v)

IOStream &	operator<< (const uint32_t &v)

IOStream &	operator<< (const int64_t &v)

IOStream &	operator<< (const uint64_t &v)

IOStream &	operator<< (const int &v)

IOStream &	operator<< (const unsigned int &v)

IOStream &	operator<< (const float &v)

IOStream &	operator<< (const double &v)

IOStream &	operator<< (const char *s)

IOStream &	operator<< (const std::string_view sv)

IOStream &	operator<< (const void *p)
	write the hex value of a pointer

template<class Ret , class... Args>
IOStream &	operator<< (Ret (*pointer)(Args...))
	Write the hex value of any function pointer.

IOStream &	operator<< (IOStream &(*format)(IOStream &))

IOStream &	printf (const char *fmt,...)))

IOStream &	vprintf (const char *fmt, va_list vlist)))

void	write (char c)

Static Public Attributes
static constexpr char	eof = -1

Protected Typedefs
using	driver = Hd44780Base< DATA, RW, RS, E >

Protected Member Functions
void	writeBin (uint8_t value)

void	writeDouble (const double &value)

void	writeFloat (float value)

void	writeHex (uint8_t value)

void	writeInteger (int16_t value)

void	writeInteger (uint16_t value)

void	writeInteger (int32_t value)

void	writeInteger (uint32_t value)

void	writeInteger (int64_t value)

void	writeInteger (uint64_t value)

template<typename T >
void	writeIntegerMode (const T v)

void	writePointer (const void *value)

Protected Attributes
uint8_t	column

uint8_t	line

uint8_t	lineCount

uint8_t	lineWidth

Writer	writer

Detailed Description

template<typename DATA, typename RW, typename RS, typename E>
class modm::Hd44780< DATA, RW, RS, E >

Driver for HD44780 compatible displays

This driver supports only one controller, with any configuration up to 80 characters (most common: 8x1, 16x2, 20x4). You can choose to use a 4bit bus or a 8bit bus, simply by providing one with the propriate width.

Template Parameters

DATA	A 8bit or 4bit Port.
RW	Read/Write-Select Pin
RS	Command/Data-Select Pin
E	Enable Pin

See also: http://en.wikipedia.org/wiki/HD44780_Character_LCD

Author: Fabian Greif; Niklas Hauser

Member Enumeration Documentation

enum modm::CharacterDisplay::Command

inherited

Enum Values	Documentation
ClearDisplay	Clear the display content.
ResetCursor	Set cursor to position (0,0)
IncrementCursor	Increments address upon write.
DecrementCursor	Decrements address upon write.
DisableDisplay	Disable display.
EnableDisplay	Enable display.
DisableCursor	Disable cursor.
EnableCursor	Enable cursor.
DisableCursorBlink	Disable blinking cursor.
EnableCursorBlink	Enable blinking cursor.
ShiftCursorLeft	Shift cursor left.
ShiftCursorRight	Shift cursor right.

Member Function Documentation

IOStream & modm::IOStream::get	(	char *	s,
		size_t	n
	)

inherited

reads characters into NULL delimited c string in contrast to the standard implementation, this does not care about newline characters in the input

template<typename DATA , typename RW , typename RS , typename E >

void modm::Hd44780< DATA, RW, RS, E >::initialize ( )

Initialize the display

The display needs some time to initialize after startup. You have to wait at least 50 ms after startup before calling this method.

template<typename DATA , typename RW , typename RS , typename E >

virtual void modm::Hd44780< DATA, RW, RS, E >::setCursor	(	uint8_t	column,
		uint8_t	line
	)

virtual

Set cursor to specified position

Parameters

column	horizontal position
line	vertical position

Implements modm::CharacterDisplay.

void modm::CharacterDisplay::write ( char c )

inherited

Write a character

This method provides an automatic wrap-round if the output reaches the end of the current line or a newline character is detected.

Use writeRaw() if this behavior is not wanted.

template<typename DATA , typename RW , typename RS , typename E >

void modm::Hd44780< DATA, RW, RS, E >::writeCGRAM	(	uint8_t	character,
		const uint8_t *	cg
	)

Write bitmap to display for use as user defined character. cg must be uint8_t[8].

template<typename DATA , typename RW , typename RS , typename E >

virtual void modm::Hd44780< DATA, RW, RS, E >::writeRaw ( char c )

virtual

Write a raw character at cursor position

Unlike write() no further processing will occur.

See also: write()

Implements modm::CharacterDisplay.

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

hd44780.hpp

Public Types

Public Member Functions

Static Public Attributes

Protected Typedefs

Protected Member Functions

Protected Attributes

Detailed Description

template<typename DATA, typename RW, typename RS, typename E> class modm::Hd44780< DATA, RW, RS, E >

Member Enumeration Documentation

Member Function Documentation

template<typename DATA, typename RW, typename RS, typename E>
class modm::Hd44780< DATA, RW, RS, E >