Class Controls SPI comms and LCD functionality. More...

#include <nokia5110.hpp>

Inheritance diagram for NOKIA_5110:

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Collaboration diagram for NOKIA_5110:

[legend]

Public Member Functions
	NOKIA_5110 (int16_t width, int16_t height)
	init the LCD class object

virtual void	drawPixel (int16_t x, int16_t y, uint8_t color) override
	Set a single pixel in the buffer.

DisplayRet::Ret_Codes_e	LCDSPISetup (spi_inst_t *spi, uint32_t spiBaudRate, int8_t cd, int8_t rst, int8_t cs, int8_t sclk, int8_t din)
	initialise LCD pinmodes and SPI setup

void	LCDInit (bool Inverse, uint8_t Contrast, uint8_t Bias)
	Init the LCD command sequence, called from begin This sends the commands to the PCD8544 to init LCD.

DisplayRet::Ret_Codes_e	LCDSetBufferPtr (uint8_t width, uint8_t height, std::span< uint8_t > buffer)
	sets the buffer pointer to the users screen data buffer

DisplayRet::Ret_Codes_e	LCDupdate (void)
	updates the LCD i.e. writes the shared buffer to the active screen pointed to by ActiveBuffer

DisplayRet::Ret_Codes_e	LCDclearBuffer (void)
	clears the buffer of the active screen pointed to by ActiveBuffer

void	LCDBuffer (std::span< uint8_t > data)
	Draw an array to the screen.

void	LCDenableSleep (void)
	Turn on sleep mode.

void	LCDdisableSleep (void)
	Turn off sleep mode.

bool	LCDIsSleeping (void)
	LCDisSleeping.

void	LCDSPIoff (void)
	End SPI operations.

void	LCDPowerDown (void)
	Powerdown procedure for LCD see datasheet P40.

void	LCDSetContrast (uint8_t con)
	Function to set contrast passed a byte.

void	LCDfillScreen (uint8_t fill=0xFF)
	Writes the buffer (with pattern) to the LCD.

void	LCDinvertDisplay (bool inv)
	inverts color on display

void	LCDgotoXY (uint8_t x, uint8_t y)
	LCDgotoXY gotoXY routine to position cursor (x,y)

void	LCDfillBlock (uint8_t FillData=0xFF, uint8_t RowBlockNum=0)
	LCDFillBlock Clears one of the 6 row blocks(one byte height) on LCD.

Public Member Functions inherited from displaylib_graphics
	displaylib_graphics (int16_t w, int16_t h)
	init the OLED Graphics class object constructor

void	drawLine (int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint8_t color)
	draws a line from (x0,y0) to (x1,y1).

void	drawFastVLine (int16_t x, int16_t y, int16_t h, uint8_t color)
	Draws a vertical line starting at (x,y) with height h.

void	drawFastHLine (int16_t x, int16_t y, int16_t w, uint8_t color)
	Draws a horizontal line starting at (x,y) with width w.

void	drawRect (int16_t x, int16_t y, int16_t w, int16_t h, uint8_t color)
	draws rectangle at (x,y) where h is height and w is width of the rectangle.

void	fillRect (int16_t x, int16_t y, int16_t w, int16_t h, uint8_t color)
	fills a rectangle starting from coordinates (x,y) with width of w and height of h.

void	fillScreen (uint8_t color)
	Fills the whole screen with a given color.

void	drawCircle (int16_t x0, int16_t y0, int16_t r, uint8_t color)
	Draws a circle with center coordinates (centerX, centerY) and a given radius.

void	fillCircle (int16_t x0, int16_t y0, int16_t r, uint8_t color)
	fills a circle where (x0,y0) are center coordinates an r is circle radius.

void	drawTriangle (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint8_t color)
	draws a triangle of coordinates (x0,y0), (x1,y1) and (x2,y2).

void	fillTriangle (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint8_t color)
	Fills a triangle defined by the coordinates (x0, y0), (x1, y1), and (x2, y2).

void	drawRoundRect (int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint8_t color)
	draws a rectangle with rounded edges

void	fillRoundRect (int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint8_t color)
	Fills a rectangle with rounded edges.

void	setCursor (int16_t x, int16_t y)
	set the cursor position

virtual size_t	write (uint8_t)
	write method used in the print class when user calls print

DisplayRet::Ret_Codes_e	writeChar (int16_t x, int16_t y, char value)
	Write 1 character on OLED.

DisplayRet::Ret_Codes_e	writeCharString (int16_t x, int16_t y, char *text)
	Write Text character array on OLED.

void	setTextWrap (bool w)
	turn on or off screen _textwrap of the text (fonts 1-6)

void	setDrawBitmapAddr (bool mode)
	sets the data addressing mode in drawBitmap function.

DisplayRet::Ret_Codes_e	drawBitmap (int16_t x, int16_t y, std::span< const uint8_t > bitmap, int16_t w, int16_t h, uint8_t color, uint8_t bg)
	Draw a 1-bit color bitmap.

int16_t	height (void) const
	Gets the height of the display (per current _rotation)

int16_t	width (void) const
	Gets the width of the display (per current _rotation)

display_rotate_e	getRotation (void)
	Gets the _rotation of the display.

void	setRotation (display_rotate_e r)
	Sets the _rotation of the display.

void	drawLineAngle (int16_t x, int16_t y, int angle, uint8_t start, uint8_t length, int offset, uint8_t color)
	Draws a line using an angle and length as parameters. This function draws a line starting from `(x, y)`, extending in the direction specified by `angle`, with a given `length`. The function also allows applying an `offset` to the angle before computing the line’s end coordinates.

void	drawQuadrilateral (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3, uint8_t color)
	Draws a quadrilateral (four-sided polygon) by connecting four points with lines. This function draws a quadrilateral by drawing four lines between the given vertices. The lines are drawn in the order: (x0, y0) to (x1, y1), (x1, y1) to (x2, y2), (x2, y2) to (x3, y3), and finally (x3, y3) back to (x0, y0).

void	fillQuadrilateral (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3, uint8_t color)
	Fills a quadrilateral with the specified color using triangles. This function fills a quadrilateral by dividing it into triangles and filling them individually. The quadrilateral is filled by calling the `fillTriangle` function three times with appropriate vertex coordinates. The `useTriangleSplit` parameter determines whether the quadrilateral is divided into two triangles or if only one triangle is used.

DisplayRet::Ret_Codes_e	drawPolygon (int16_t x, int16_t y, uint8_t sides, int16_t diameter, float rotation, bool fill, uint8_t color)
	Draws a polygon with a specified number of sides, diameter, rotation, and color. This function draws a regular polygon by connecting points equally spaced around a circle, with each point having a distance defined by the diameter. The polygon is rotated by the given angle (in degrees) before being drawn. The number of sides is enforced to be at least 3.

void	drawArc (uint16_t cx, uint16_t cy, uint16_t radius, uint16_t thickness, float startAngle, float endAngle, uint8_t color)
	Draw an arc on the TFT display. This function draws an arc between two angles (start and end) on a circle with a given radius.

void	drawSimpleArc (int16_t cx, int16_t cy, int16_t radius, float startAngle, float endAngle, uint8_t color)
	Draw a simple arc of one pixel on the display( no offsets , thickness or maximum arc calculations) This function draws an arc between two angles (start and end) on a circle with a given radius.

void	drawEllipse (int16_t cx, int16_t cy, int16_t semiMajorAxis, int16_t semiMinorAxis, bool fill, uint8_t color)
	Draw an ellipse on the display. This function uses the midpoint ellipse algorithm to efficiently draw an ellipse centered at (cx, cy) with the given semi-major (horizontal) and semi-minor (vertical) axes.

DisplayRet::Ret_Codes_e	drawDotGrid (int16_t x, int16_t y, int16_t w, int16_t h, uint8_t DotGridGap, uint8_t color)
	Draws a grid of dots on the screen starting from the given coordinates. This function draws a grid of pixels with a specified gap between them. It checks that the provided coordinates and dimensions are within the screen bounds and adjusts them if necessary. It also validates The grid of dots gap value and defaults it to 2 if invalid.

float	getArcAngleMax () const
	Get the current maximum angle of the arc.

void	setArcAngleMax (float arcAngleMax)
	Set a new maximum angle for the arc.

int	getArcAngleOffset () const
	Get the current angle offset.

void	setArcAngleOffset (int arcAngleOffset)
	Set a new angle offset.

Public Member Functions inherited from displaylib_fonts
	displaylib_fonts ()
	init the OLED font class object constructor

DisplayRet::Ret_Codes_e	setFont (std::span< const uint8_t > font)
	SSD1306_SetFont.

void	setInvertFont (bool invertStatus)
	setInvertFont

bool	getInvertFont (void)
	getInvertFont

Public Member Functions inherited from Print
int	getWriteError ()
	gets the error flag status, zero no error

void	clearWriteError ()
	clears the errof flag by setting it to zero

size_t	write (const char *str)

virtual size_t	write (const uint8_t *buffer, size_t size)

size_t	write (const char *buffer, size_t size)

virtual int	availableForWrite ()

size_t	print (const char[])

size_t	print (char)

size_t	print (int, int=DEC)

size_t	print (unsigned int, int=DEC)

size_t	print (long, int=DEC)

size_t	print (unsigned long, int=DEC)

size_t	print (double, int=2)

size_t	print (const std::string &)

size_t	println (const char[])

size_t	println (char)

size_t	println (int, int=DEC)

size_t	println (unsigned int, int=DEC)

size_t	println (long, int=DEC)

size_t	println (unsigned long, int=DEC)

size_t	println (double, int=2)

size_t	println (void)

size_t	println (const std::string &s)

Private Member Functions
void	LCDWriteData (uint8_t data)
	Writes a byte to the PCD8544.

void	LCDWriteCommand (uint8_t command)
	Writes a command byte to the PCD8544.

Private Attributes
int8_t	_display_CS

int8_t	_display_CD

int8_t	_display_RST

int8_t	_display_SCLK

int8_t	_display_DIN

spi_inst_t *	_spiInterface

uint8_t	_contrast

uint8_t	_bias

bool	_inverse = false

bool	_sleep

int16_t	_LCD_WIDTH = 84

int16_t	_LCD_HEIGHT = 48

int8_t	_LCD_PAGE_NUM = (_LCD_HEIGHT / 8)

int16_t	_LCD_Display_size = (_LCD_WIDTH * _LCD_PAGE_NUM)

std::span< uint8_t >	_LCDbuffer

Static Private Attributes
static constexpr uint8_t	LCD_FUNCTIONSET = 0x20

static constexpr uint8_t	LCD_POWERDOWN = 0x04

static constexpr uint8_t	LCD_ENTRYMODE = 0x02

static constexpr uint8_t	LCD_EXTENDEDINSTRUCTION = 0x01

static constexpr uint8_t	LCD_DISPLAYCONTROL = 0x08

static constexpr uint8_t	LCD_DISPLAYBLANK = 0x00

static constexpr uint8_t	LCD_DISPLAYNORMAL = 0x04

static constexpr uint8_t	LCD_DISPLAYALLON = 0x01

static constexpr uint8_t	LCD_DISPLAYINVERTED = 0x05

static constexpr uint8_t	LCD_SETYADDR = 0x40

static constexpr uint8_t	LCD_SETXADDR = 0x80

static constexpr uint8_t	LCD_SETTEMP = 0x04

static constexpr uint8_t	LCD_CONTRAST = 0xB0

static constexpr uint8_t	LCD_BIAS = 0x13

Additional Inherited Members
Public Types inherited from displaylib_graphics
enum	PixelColor : uint8_t { BG_COLOR = 0 , FG_COLOR = 1 , INVERSE = 2 }
	Display Pixel colours definition. More...

enum	display_rotate_e : uint8_t { rDegrees_0 = 0 , rDegrees_90 = 1 , rDegrees_180 = 2 , rDegrees_270 = 3 }

Public Types inherited from Print
enum	BaseNum : uint8_t { DEC = 10 , HEX = 16 , OCT = 8 , BIN = 2 }

Protected Member Functions inherited from displaylib_graphics
float	sineFromDegrees (float angle)
	Computes the sine of an angle given in degrees. This function converts the input angle from degrees to radians and then calculates the sine of that angle using the standard C++ `sin` function.

float	cosineFromDegrees (float angle)
	Computes the cosine of an angle given in degrees. This function converts the input angle from degrees to radians and then calculates the cosine of that angle using the standard C++ `cos` function.

void	ellipseHelper (uint16_t cx, uint16_t cy, uint16_t x, uint16_t y, uint8_t color)

void	drawArcHelper (uint16_t cx, uint16_t cy, uint16_t radius, uint16_t thickness, float start, float end, uint8_t color)

void	drawCircleHelper (int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint8_t color)

void	fillCircleHelper (int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint8_t color)

Protected Member Functions inherited from Print
void	setWriteError (int err=1)

Protected Attributes inherited from displaylib_graphics
const int16_t	WIDTH

const int16_t	HEIGHT

display_rotate_e	_display_rotate = rDegrees_0

int16_t	_width

int16_t	_height

int16_t	_cursor_x = 0

int16_t	_cursor_y = 0

bool	_drawBitmapAddr

bool	_textwrap = true

float	_arcAngleMax = 360.0f

int	_arcAngleOffset = 0

Protected Attributes inherited from displaylib_fonts
std::span< const uint8_t >	_FontSelect = pFontDefault

uint8_t	_Font_X_Size = 0x06

uint8_t	_Font_Y_Size = 0x08

uint8_t	_FontOffset = 0x00

uint8_t	_FontNumChars = 0xFE

Detailed Description

Class Controls SPI comms and LCD functionality.

Constructor & Destructor Documentation

◆ NOKIA_5110()

NOKIA_5110::NOKIA_5110	(	int16_t	lcdwidth,
		int16_t	lcdheight
	)

init the LCD class object

Parameters

lcdwidth	width of LCD in pixels
lcdheight	height of LCD in pixels

Member Function Documentation

◆ drawPixel()

void NOKIA_5110::drawPixel	(	int16_t	x,
		int16_t	y,
		uint8_t	color
	)

overridevirtual

Set a single pixel in the buffer.

Parameters

x	x coordinate
y	y coordinate
color	Color of pixel

Implements displaylib_graphics.

◆ LCDBuffer()

void NOKIA_5110::LCDBuffer ( std::span< uint8_t > data )

Draw an array to the screen.

Parameters

data	span to the buffer array

Note: Called by LCDupdate internally to write buffer to screen

◆ LCDclearBuffer()

DisplayRet::Ret_Codes_e NOKIA_5110::LCDclearBuffer ( void )

clears the buffer of the active screen pointed to by ActiveBuffer

Returns

Success
BufferEmpty if buffer is empty object

Note: Does NOT write to the screen

◆ LCDfillBlock()

void NOKIA_5110::LCDfillBlock	(	uint8_t	FillData = `0xFF`,
		uint8_t	RowBlockNum = `0`
	)

LCDFillBlock Clears one of the 6 row blocks(one byte height) on LCD.

Parameters

FillData	data to write 0-0xFF
RowBlockNum	row block number 0-5

The pattern of data can be reversed by changing filldata i.e 0x0F will half fill a block with ones.

Note: only works in standard 84x48 rotation

◆ LCDfillScreen()

void NOKIA_5110::LCDfillScreen ( uint8_t Pattern = 0xFF )

Writes the buffer (with pattern) to the LCD.

Parameters

Pattern The pattern to send 0x00 to 0xFF

◆ LCDgotoXY()

void NOKIA_5110::LCDgotoXY	(	uint8_t	x,
		uint8_t	y
	)

LCDgotoXY gotoXY routine to position cursor (x,y)

Parameters

x	range: 0 to 83 (0 to 0x53)
y	range: 0 to 5 (6 blocks one byte each 6*8 = 48)

Note: only works in standard 84x48 rotation

◆ LCDInit()

void NOKIA_5110::LCDInit	(	bool	Inverse,
		uint8_t	Contrast,
		uint8_t	Bias
	)

Init the LCD command sequence, called from begin This sends the commands to the PCD8544 to init LCD.

Parameters

Inverse	false normal mode true display inverted
Contrast	Set LCD VOP contrast range 0xB1-BF
Bias	LCD Bias mode 1:48 0x12 to 0x14

◆ LCDinvertDisplay()

void NOKIA_5110::LCDinvertDisplay ( bool invert )

inverts color on display

Parameters

invert True = Inverted mode , False = Display control mode normal

◆ LCDIsSleeping()

bool NOKIA_5110::LCDIsSleeping ( void )

LCDisSleeping.

Returns: value of _sleep, if true LCD is in sleep mode.

◆ LCDSetBufferPtr()

DisplayRet::Ret_Codes_e NOKIA_5110::LCDSetBufferPtr	(	uint8_t	width,
		uint8_t	height,
		std::span< uint8_t >	buffer
	)

sets the buffer pointer to the users screen data buffer

Parameters

width	width of buffer in pixels
height	height of buffer in pixels
buffer	the buffer array which decays to pointer

Returns

Will return:

0. Success
2. Buffer size calculations are incorrect BufferSize = w * (h/8),
3. Not a valid pointer object.

◆ LCDSetContrast()

void NOKIA_5110::LCDSetContrast ( uint8_t contrast )

Function to set contrast passed a byte.

Parameters

contrast Set LCD VOP Contrast B0 to BF

◆ LCDSPISetup()

DisplayRet::Ret_Codes_e NOKIA_5110::LCDSPISetup	(	spi_inst_t *	spiType,
		uint32_t	spiSpeedKhz,
		int8_t	cd,
		int8_t	rst,
		int8_t	cs,
		int8_t	sclk,
		int8_t	din
	)

initialise LCD pinmodes and SPI setup

Parameters

spiType	SPi instance to initialize
spiSpeedKhz	SPI baud rate in Khz
cd	GPIO data or command
rst	GPIO reset
cs	GPIO Chip select
sclk	GPIO SPI Clock
din	GPIO MOSI

Returns: At present just success.

◆ LCDupdate()

DisplayRet::Ret_Codes_e NOKIA_5110::LCDupdate ( void )

updates the LCD i.e. writes the shared buffer to the active screen pointed to by ActiveBuffer

Returns

Success
BufferEmpty if buffer is empty object

◆ LCDWriteCommand()

void NOKIA_5110::LCDWriteCommand ( uint8_t command )

private

Writes a command byte to the PCD8544.

Parameters

command The command byte to send

◆ LCDWriteData()

void NOKIA_5110::LCDWriteData ( uint8_t dataByte )

private

Writes a byte to the PCD8544.

Parameters

dataByte byte will be sent as command or data depending on status of DC line

Member Data Documentation

◆ _bias

uint8_t NOKIA_5110::_bias

private

LCD bias

◆ _contrast

uint8_t NOKIA_5110::_contrast

private

LCD contrast

◆ _display_CD

int8_t NOKIA_5110::_display_CD

private

GPIO Data or command line

◆ _display_CS

int8_t NOKIA_5110::_display_CS

private

GPIO Chip select line

◆ _display_DIN

int8_t NOKIA_5110::_display_DIN

private

GPIO MOSI Line , Tied to SPI interface

◆ _display_RST

int8_t NOKIA_5110::_display_RST

private

GPIO Reset line

◆ _display_SCLK

int8_t NOKIA_5110::_display_SCLK

private

GPIO Clock Line , Tied to SPI interface

◆ _inverse

bool NOKIA_5110::_inverse = false

private

LCD inverted , false for off

◆ _LCD_Display_size

int16_t NOKIA_5110::_LCD_Display_size = (_LCD_WIDTH * _LCD_PAGE_NUM)

private

Size of standard display 84 * 48/6 = 504 bytes

◆ _LCD_HEIGHT

int16_t NOKIA_5110::_LCD_HEIGHT = 48

private

Height of LCD Screen in pixels

◆ _LCD_PAGE_NUM

int8_t NOKIA_5110::_LCD_PAGE_NUM = (_LCD_HEIGHT / 8)

private

Number of byte size pages LCD screen is divided into

◆ _LCD_WIDTH

int16_t NOKIA_5110::_LCD_WIDTH = 84

private

Width of LCD Screen in pixels

◆ _LCDbuffer

std::span<uint8_t> NOKIA_5110::_LCDbuffer

private

Buffer to hold screen data

◆ _sleep

bool NOKIA_5110::_sleep

private

LCD sleep mode

◆ _spiInterface

spi_inst_t* NOKIA_5110::_spiInterface

private

SPI instance spi0 or spi1

◆ LCD_BIAS

constexpr uint8_t NOKIA_5110::LCD_BIAS = 0x13

staticconstexprprivate

LCD Bias mode 1:48 0x12 to 0x14

◆ LCD_CONTRAST

constexpr uint8_t NOKIA_5110::LCD_CONTRAST = 0xB0

staticconstexprprivate

default value set LCD VOP contrast range 0xB1-BF

◆ LCD_DISPLAYALLON

constexpr uint8_t NOKIA_5110::LCD_DISPLAYALLON = 0x01

staticconstexprprivate

all pixels on

◆ LCD_DISPLAYBLANK

constexpr uint8_t NOKIA_5110::LCD_DISPLAYBLANK = 0x00

staticconstexprprivate

Blank display

◆ LCD_DISPLAYCONTROL

constexpr uint8_t NOKIA_5110::LCD_DISPLAYCONTROL = 0x08

staticconstexprprivate

Set display control

◆ LCD_DISPLAYINVERTED

constexpr uint8_t NOKIA_5110::LCD_DISPLAYINVERTED = 0x05

staticconstexprprivate

display inverted

◆ LCD_DISPLAYNORMAL

constexpr uint8_t NOKIA_5110::LCD_DISPLAYNORMAL = 0x04

staticconstexprprivate

normal mode display

◆ LCD_ENTRYMODE

constexpr uint8_t NOKIA_5110::LCD_ENTRYMODE = 0x02

staticconstexprprivate

LCD entry mode

◆ LCD_EXTENDEDINSTRUCTION

constexpr uint8_t NOKIA_5110::LCD_EXTENDEDINSTRUCTION = 0x01

staticconstexprprivate

LCD get into the EXTENDED mode when combined with Function set

◆ LCD_FUNCTIONSET

constexpr uint8_t NOKIA_5110::LCD_FUNCTIONSET = 0x20

staticconstexprprivate

LCD function set

◆ LCD_POWERDOWN

constexpr uint8_t NOKIA_5110::LCD_POWERDOWN = 0x04

staticconstexprprivate

LCD power off

◆ LCD_SETTEMP

constexpr uint8_t NOKIA_5110::LCD_SETTEMP = 0x04

staticconstexprprivate

set temperature coefficient

◆ LCD_SETXADDR

constexpr uint8_t NOKIA_5110::LCD_SETXADDR = 0x80

staticconstexprprivate

X axis address setting

◆ LCD_SETYADDR

constexpr uint8_t NOKIA_5110::LCD_SETYADDR = 0x40

staticconstexprprivate

Y axis address setting

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

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ NOKIA_5110()

Member Function Documentation

◆ drawPixel()

◆ LCDBuffer()

◆ LCDclearBuffer()

◆ LCDfillBlock()

◆ LCDfillScreen()

◆ LCDgotoXY()

◆ LCDInit()

◆ LCDinvertDisplay()

◆ LCDIsSleeping()

◆ LCDSetBufferPtr()

◆ LCDSetContrast()

◆ LCDSPISetup()

◆ LCDupdate()

◆ LCDWriteCommand()

◆ LCDWriteData()

Member Data Documentation

◆ _bias

◆ _contrast

◆ _display_CD

◆ _display_CS

◆ _display_DIN

◆ _display_RST

◆ _display_SCLK

◆ _inverse

◆ _LCD_Display_size

◆ _LCD_HEIGHT

◆ _LCD_PAGE_NUM

◆ _LCD_WIDTH

◆ _LCDbuffer

◆ _sleep

◆ _spiInterface

◆ LCD_BIAS

◆ LCD_CONTRAST

◆ LCD_DISPLAYALLON

◆ LCD_DISPLAYBLANK

◆ LCD_DISPLAYCONTROL

◆ LCD_DISPLAYINVERTED

◆ LCD_DISPLAYNORMAL

◆ LCD_ENTRYMODE

◆ LCD_EXTENDEDINSTRUCTION

◆ LCD_FUNCTIONSET

◆ LCD_POWERDOWN

◆ LCD_SETTEMP

◆ LCD_SETXADDR

◆ LCD_SETYADDR