class to drive the ERM19264 UC1609 LCD More...

#include <ERM19264_UC1609_LCD_RDL.hpp>

Inheritance diagram for ERM19264_UC1609:

[legend]

Classes
struct	UC1609_Delays_t
	Struct to hold delay values used in driver. More...

Public Types
enum	LCD_rotate_command_e : uint8_t { UC1609_ROTATION_FLIP_TWO = 0x06 , UC1609_ROTATION_NORMAL = 0x04 , UC1609_ROTATION_FLIP_ONE = 0x02 , UC1609_ROTATION_FLIP_THREE = 0x00 }
	enum to hold LCD Rotate command constants More...

Public Types inherited from bicolor_graphics
enum	displayBC_rotate_e : uint8_t { BC_Degrees_0 = 0 , BC_Degrees_90 = 1 , BC_Degrees_180 = 2 , BC_Degrees_270 = 3 }

enum	pixel_color_e : uint8_t { WHITE = 0 , BLACK = 1 , INVERSE = 2 }

Public Types inherited from Print
enum	BaseNum : uint8_t { RDL_DEC = 10 , RDL_HEX = 16 , RDL_OCT = 8 , RDL_BIN = 2 }

Public Member Functions
	ERM19264_UC1609 (int16_t lcdwidth, int16_t lcdheight, int8_t rst, int8_t cd, int8_t cs, int8_t sclk, int8_t din)
	init the LCD class object

	ERM19264_UC1609 (int16_t lcdwidth, int16_t lcdheight, int8_t rst, int8_t cd)
	init the LCD class object

virtual void	drawPixel (int16_t x, int16_t y, uint8_t colour) override
	Draws a Pixel to the screen , overrides the graphics library.

rdlib::Return_Codes_e	LCDupdate (void)
	updates the buffer i.e. writes it to the screen

rdlib::Return_Codes_e	LCDclearBuffer (void)
	clears the buffer memory i.e. does NOT write to the screen

void	LCDBuffer (int16_t x, int16_t y, uint8_t w, uint8_t h, std::span< uint8_t > data)
	Draw a data array to the screen.

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

void	LCDBitmap (int16_t x, int16_t y, uint8_t w, uint8_t h, const std::span< const uint8_t > data)
	Draw a bitmap into the screen.

rdlib::Return_Codes_e	LCDbegin (uint8_t AddressSet, uint8_t VbiasPot, int device, int channel, int speed, int flags, int gpioDev)
	begin Method initialise LCD Sets pinmodes and SPI setup HW SPI

rdlib::Return_Codes_e	LCDbegin (uint8_t AddressSet, uint8_t VbiasPot, int gpioDev)
	begin Method initialise LCD for software SPI

void	LCDinit (void)
	Called from LCDbegin carries out Power on sequence and register init Can be used to reset LCD to default values.

void	LCDEnable (uint8_t on)
	Turns On Display.

void	LCDFillScreen (uint8_t pixel)
	Fill the screen NOT the buffer with a datapattern.

void	LCDFillPage (uint8_t page_num, uint8_t pixels)
	Fill the chosen page at page_num with a datapattern.

rdlib::Return_Codes_e	LCDrotate (LCD_rotate_command_e rotatevalue)
	Rotates the display by sending commands to display.

void	LCDinvert (uint8_t on)
	invert the display

void	LCDallpixelsOn (uint8_t bits)
	turns on all Pixels

void	LCDscroll (uint8_t bits)
	Scroll the displayed image up by SL rows.

void	LCDReset (void)
	Resets LCD in a four wire setup called at start and should also be called in a controlled power down setting.

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

rdlib::Return_Codes_e	LCDSPIoff (void)
	End SPI operations.

bool	LCDIssleeping (void)
	LCD Is Sleeping?

uint16_t	LCD_HighFreqDelayGet (void)
	Freq delay used in SW SPI getter, uS delay used in CustomshiftOut method.

void	LCD_HighFreqDelaySet (uint16_t)
	Freq delay used in SW SPI setter, uS delay used in CustomshiftOut method.

Public Member Functions inherited from bicolor_graphics
	bicolor_graphics (int16_t w, int16_t h)
	init the Display Graphics class object

rdlib::Return_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.

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).

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

rdlib::Return_Codes_e	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	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	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 where (x0,y0) are center coordinates an r is circle 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	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.

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 of 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	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, bool useTriangleSplit=true)
	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.

rdlib::Return_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.

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.

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

void	setRotation (displayBC_rotate_e m)
	Sets the _rotation of the display.

displayBC_rotate_e	getRotation ()
	Gets the _rotation of the display.

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)

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

rdlib::Return_Codes_e	writeChar (int16_t x, int16_t y, char value)
	Write 1 character on display.

rdlib::Return_Codes_e	writeCharString (int16_t x, int16_t y, char *text)
	Write Text character array on Display.

void	setTextWrap (bool w)
	turn on or off screen wrap of the text

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

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

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

rdlib::Return_Codes_e	setFont (display_Font_name_e)
	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 error flag by setting it to zero

virtual size_t	write (const uint8_t *buffer, size_t size)
	define in the sub class

size_t	write (const char *str)
	Writes a string to the output.

size_t	write (const char *buffer, size_t size)
	Writes a buffer of a specified size to the output.

virtual int	availableForWrite ()
	define in the sub class

size_t	print (const char[])
	print an array

size_t	print (char)
	print an character

size_t	print (int, int=RDL_DEC)
	print an integer of base number system

size_t	print (unsigned int, int=RDL_DEC)
	print an unsigned integer of base number system

size_t	print (long, int=RDL_DEC)
	print an long integer of base number system

size_t	print (unsigned long, int=RDL_DEC)
	print an unsigned long integer of base number system

size_t	print (double, int=2)
	print an double

size_t	print (const std::string &)
	print an C++ string object

size_t	println (const char[])
	Prints a character array followed by a newline.

size_t	println (char)
	print an character followed by new line

size_t	println (int, int=RDL_DEC)
	print an integer of base number system followed by new line

size_t	println (unsigned int, int=RDL_DEC)
	print an unsigned integer of base number system followed by new line

size_t	println (long, int=RDL_DEC)
	print an long integer of base number system followed by new line

size_t	println (unsigned long, int=RDL_DEC)
	print an unsigned long integer of base number system followed by new line

size_t	println (double, int=2)
	print an double

size_t	println (void)
	Goto to new line.

size_t	println (const std::string &s)
	print an C++ string object followed by new line

template<typename T >
size_t	print (const std::vector< T > &v, int format=defaultFormat< T >())
	Print a vector of any type.

template<typename T >
size_t	println (const std::vector< T > &vec, int format=defaultFormat< T >())
	Print a vector of elements followed by a newline.

template<typename T , size_t N>
size_t	print (const std::array< T, N > &arr, int format=defaultFormat< T >())
	Print a std::array of any type.

template<typename T , size_t N>
size_t	println (const std::array< T, N > &arr, int format=defaultFormat< T >())
	Print a std::array of elements followed by a newline.

Private Member Functions
void	sendData (uint8_t data)
	Send data byte with SPI to UC1609.

void	sendCommand (uint8_t command, uint8_t value)
	Sends a command to the display.

int8_t	GetCommMode (void)
	Checks if software SPI is on.

void	SoftwareSPIShiftOut (uint8_t val)
	used in software SPI mode to shift out data

Private Attributes
int8_t	_Display_CS

int8_t	_Display_DC

int8_t	_Display_RST

int8_t	_Display_SCLK

int8_t	_Display_SDATA

int	_DeviceNumGpioChip = 0

int	_GpioHandle = 0

int16_t	_LCD_WIDTH = 192

int16_t	_LCD_HEIGHT = 64

int8_t	_LCD_PAGE_NUM = (_LCD_HEIGHT/8)

std::span< uint8_t >	_LCDbufferScreen

bool	_sleep = true

uint8_t	_VbiasPOT = 0x49

uint8_t	_AddressCtrl = 0x02

int	_spiHandle = 0

int	_spiDev = 0

int	_spiChan = 0

int	_spiBaud = 50000

int	_spiFlags = 0

int8_t	_LCD_mode = 2

uint16_t	_LCD_HighFreqDelay = 0

Static Private Attributes
static constexpr uint8_t	UC1609_SYSTEM_RESET = 0xE2

static constexpr uint8_t	UC1609_POWER_CONTROL = 0x28

static constexpr uint8_t	UC1609_PC_SET = 0x06

static constexpr uint8_t	UC1609_ADDRESS_CONTROL = 0x88

static constexpr uint8_t	UC1609_ADDRESS_SET = 0x02

static constexpr uint8_t	UC1609_SET_PAGEADD = 0xB0

static constexpr uint8_t	UC1609_SET_COLADD_LSB = 0x00

static constexpr uint8_t	UC1609_SET_COLADD_MSB = 0x10

static constexpr uint8_t	UC1609_TEMP_COMP_REG = 0x27

static constexpr uint8_t	UC1609_TEMP_COMP_SET = 0x00

static constexpr uint8_t	UC1609_FRAMERATE_REG = 0xA0

static constexpr uint8_t	UC1609_FRAMERATE_SET = 0x01

static constexpr uint8_t	UC1609_BIAS_RATIO = 0xE8

static constexpr uint8_t	UC1609_BIAS_RATIO_SET = 0x03

static constexpr uint8_t	UC1609_GN_PM = 0x81

static constexpr uint8_t	UC1609_DEFAULT_GN_PM = 0x49

static constexpr uint8_t	UC1609_LCD_CONTROL = 0xC0

static constexpr uint8_t	UC1609_DISPLAY_ON = 0xAE

static constexpr uint8_t	UC1609_ALL_PIXEL_ON = 0xA4

static constexpr uint8_t	UC1609_INVERSE_DISPLAY = 0xA6

static constexpr uint8_t	UC1609_SCROLL = 0x40

Additional Inherited Members
Protected Member Functions inherited from Print
void	setWriteError (int err=0)

Protected Attributes inherited from bicolor_graphics
displayBC_rotate_e	_display_rotate = BC_Degrees_0

const int16_t	WIDTH

const int16_t	HEIGHT

int16_t	_width

int16_t	_height

int16_t	_cursor_x

int16_t	_cursor_y

float	_arcAngleMax = 360.0f

int	_arcAngleOffset = 0

bool	_textwrap = true

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

uint8_t	_Font_X_Size = 0x08

uint8_t	_Font_Y_Size = 0x08

uint8_t	_FontOffset = 0x20

uint8_t	_FontNumChars = 0x5F

Detailed Description

class to drive the ERM19264 UC1609 LCD

Member Enumeration Documentation

◆ LCD_rotate_command_e

enum ERM19264_UC1609::LCD_rotate_command_e : uint8_t

enum to hold LCD Rotate command constants

Note: two methods to rotate screen , use rotate command or rotate buffer

Enumerator
UC1609_ROTATION_FLIP_TWO	mirror image Rotation LCD command
UC1609_ROTATION_NORMAL	Normal Rotation LCD command
UC1609_ROTATION_FLIP_ONE	180 degree Rotation LCD command
UC1609_ROTATION_FLIP_THREE	mirror image Rotation LCD command

Constructor & Destructor Documentation

◆ ERM19264_UC1609() [1/2]

ERM19264_UC1609::ERM19264_UC1609	(	int16_t	lcdwidth,
		int16_t	lcdheight,
		int8_t	rst,
		int8_t	cd,
		int8_t	cs,
		int8_t	sclk,
		int8_t	din
	)

init the LCD class object

Parameters

lcdwidth	width of LCD in pixels
lcdheight	height of LCD in pixels
rst	GPIO reset
cd	GPIO data or command
cs	GPIO Chip select
sclk	GPIO SPI Clock
din	GPIO MOSI

Note: Software SPI version (mode 3) , sub class of bicolor_graphics

◆ ERM19264_UC1609() [2/2]

ERM19264_UC1609::ERM19264_UC1609	(	int16_t	lcdwidth,
		int16_t	lcdheight,
		int8_t	rst,
		int8_t	cd
	)

init the LCD class object

Parameters

lcdwidth	width of LCD in pixels
lcdheight	height of LCD in pixels
rst	GPIO reset
cd	GPIO data or command

Note: Hardware SPI version (mode 2), sub class of bicolor_graphics

Member Function Documentation

◆ drawPixel()

void ERM19264_UC1609::drawPixel	(	int16_t	x,
		int16_t	y,
		uint8_t	colour
	)

overridevirtual

Draws a Pixel to the screen , overrides the graphics library.

Parameters

x	x co-ord of pixel
y	y co-ord of pixel
colour	colour of pixel

Implements bicolor_graphics.

◆ GetCommMode()

int8_t ERM19264_UC1609::GetCommMode ( void )

private

Checks if software SPI is on.

Returns: 2 if hardware SPi on , 3 for software spi

◆ LCD_HighFreqDelayGet()

uint16_t ERM19264_UC1609::LCD_HighFreqDelayGet ( void )

Freq delay used in SW SPI getter, uS delay used in CustomshiftOut method.

Returns: _LCD_HighFreqDelay

◆ LCD_HighFreqDelaySet()

void ERM19264_UC1609::LCD_HighFreqDelaySet ( uint16_t CommDelay )

Freq delay used in SW SPI setter, uS delay used in CustomshiftOut method.

Parameters

CommDelay uS GPIO delay used in software SPI

◆ LCDallpixelsOn()

void ERM19264_UC1609::LCDallpixelsOn ( uint8_t bits )

turns on all Pixels

Parameters

bits	Set DC[1] to force all SEG drivers to output ON signals 1 all on , 0 all off

◆ LCDbegin() [1/2]

rdlib::Return_Codes_e ERM19264_UC1609::LCDbegin	(	uint8_t	AddressSet,
		uint8_t	VbiasPOT,
		int	device,
		int	channel,
		int	speed,
		int	flags,
		int	gpioDev
	)

begin Method initialise LCD Sets pinmodes and SPI setup HW SPI

Parameters

AddressSet	AC [2:0] registers for RAM addr ctrl. default=2 range 0-7
VbiasPOT	contrast default = 0x49 , range 0x00 to 0xFE
device	A SPI device, >= 0.
channel	A SPI channel, >= 0.
speed	The speed of serial communication in bits per second.
flags	The flags may be used to modify the default behaviour. Set to 0(mode 0) for this device.
gpioDev	The device number of a gpiochip.

Returns

a rdlib::Return_Codes_e code

◆ LCDbegin() [2/2]

rdlib::Return_Codes_e ERM19264_UC1609::LCDbegin	(	uint8_t	AddressSet,
		uint8_t	VbiasPOT,
		int	gpioDev
	)

begin Method initialise LCD for software SPI

Parameters

AddressSet	AC [2:0] registers for RAM addr ctrl. default=2 range 0-7
VbiasPOT	contrast default = 0x49 , range 0x00 to 0xFE
gpioDev	The device number of a gpiochip.

Returns

a rdlib::Return_Codes_e code

◆ LCDBitmap()

void ERM19264_UC1609::LCDBitmap	(	int16_t	x,
		int16_t	y,
		uint8_t	w,
		uint8_t	h,
		const std::span< const uint8_t >	data
	)

Draw a bitmap into the screen.

Parameters

x	offset 0-192
y	offset 0-64
w	width 0-192
h	height 0-64
data	pointer to the bitmap

◆ LCDBuffer()

void ERM19264_UC1609::LCDBuffer	(	int16_t	x,
		int16_t	y,
		uint8_t	w,
		uint8_t	h,
		std::span< uint8_t >	data
	)

Draw a data array to the screen.

Parameters

x	offset 0-192
y	offset 0-64
w	width 0-192
h	height 0-64
data	span to the data array

Note: Called by LCDupdate internally to write buffer to screen , can be called standalone as well

◆ LCDclearBuffer()

rdlib::Return_Codes_e ERM19264_UC1609::LCDclearBuffer ( void )

clears the buffer memory i.e. does NOT write to the screen

Returns

Success
BufferEmpty is buffer empty object

◆ LCDEnable()

void ERM19264_UC1609::LCDEnable ( uint8_t bits )

Turns On Display.

Parameters

bits	1 display on , 0 display off

◆ LCDFillPage()

void ERM19264_UC1609::LCDFillPage	(	uint8_t	page_num,
		uint8_t	dataPattern
	)

Fill the chosen page at page_num with a datapattern.

Parameters

page_num	the page number 0-7
dataPattern	can be set to 0 to FF

◆ LCDFillScreen()

void ERM19264_UC1609::LCDFillScreen ( uint8_t dataPattern )

Fill the screen NOT the buffer with a datapattern.

Parameters

dataPattern can be set to zero to clear screen (not buffer) range 0x00 to 0ff

◆ LCDinvert()

void ERM19264_UC1609::LCDinvert ( uint8_t bits )

invert the display

Parameters

bits	1 invert , 0 normal

◆ LCDIssleeping()

bool ERM19264_UC1609::LCDIssleeping ( void )

LCD Is Sleeping?

Returns: bool value of _sleep if true LCD is off and in sleep mode

◆ LCDrotate()

rdlib::Return_Codes_e ERM19264_UC1609::LCDrotate ( LCD_rotate_command_e rotatevalue )

Rotates the display by sending commands to display.

Parameters

rotatevalue 4 possible values 000 010 100 110 (defined)

Set LC[2:1] for COM (row) mirror (MY), SEG (column) mirror (MX).

Note: If Mx is changed the buffer must BE updated see examples.

Returns

Success
GenericError if value not found in enum

◆ LCDscroll()

void ERM19264_UC1609::LCDscroll ( uint8_t bits )

Scroll the displayed image up by SL rows.

The valid SL value is between 0 (for no scrolling) and (64). Setting SL outside of this range causes undefined effect on the displayed image.

Parameters

bits	0-64 line number y-axis

◆ LCDSetBufferPtr()

rdlib::Return_Codes_e ERM19264_UC1609::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 span to buffer data

Returns

Will return rdlib::Return_Codes_e enum

◆ LCDSPIoff()

rdlib::Return_Codes_e ERM19264_UC1609::LCDSPIoff ( void )

End SPI operations.

Returns

◆ LCDupdate()

rdlib::Return_Codes_e ERM19264_UC1609::LCDupdate ( void )

updates the buffer i.e. writes it to the screen

Returns

Success
BufferEmpty if buffer is empty object

◆ sendCommand()

void ERM19264_UC1609::sendCommand	(	uint8_t	command,
		uint8_t	value
	)

private

Sends a command to the display.

Parameters

command	Command to send
value	the values to change

Note: command and value will be combined with OR

◆ sendData()

void ERM19264_UC1609::sendData ( uint8_t dataByte )

private

Send data byte with SPI to UC1609.

Parameters

dataByte byte the data byte to send

◆ SoftwareSPIShiftOut()

void ERM19264_UC1609::SoftwareSPIShiftOut ( uint8_t value )

private

used in software SPI mode to shift out data

Parameters

value the byte to go out

if using high freq MCU the uS can be changed by LCDHighFreqDelaySet function, zero by default

Member Data Documentation

◆ _AddressCtrl

uint8_t ERM19264_UC1609::_AddressCtrl = 0x02

private

Set AC [2:0] Program registers for RAM address control. 0x00 to 0x07

◆ _DeviceNumGpioChip

int ERM19264_UC1609::_DeviceNumGpioChip = 0

private

The device number of a gpiochip ls /dev/gpio

◆ _Display_CS

int8_t ERM19264_UC1609::_Display_CS

private

GPIO Chip select line

◆ _Display_DC

int8_t ERM19264_UC1609::_Display_DC

private

GPIO Data or command line

◆ _Display_RST

int8_t ERM19264_UC1609::_Display_RST

private

GPIO Reset line

◆ _Display_SCLK

int8_t ERM19264_UC1609::_Display_SCLK

private

GPIO Clock Line Software SPI only

◆ _Display_SDATA

int8_t ERM19264_UC1609::_Display_SDATA

private

GPIO MOSI Line Software SPI only

◆ _GpioHandle

int ERM19264_UC1609::_GpioHandle = 0

private

This holds a handle to a gpiochip device opened by lgGpiochipOpen

◆ _LCD_HEIGHT

int16_t ERM19264_UC1609::_LCD_HEIGHT = 64

private

Height of screen in pixels

◆ _LCD_HighFreqDelay

uint16_t ERM19264_UC1609::_LCD_HighFreqDelay = 0

private

uS delay used in software SPI , option.

◆ _LCD_mode

int8_t ERM19264_UC1609::_LCD_mode = 2

private

2 = HW SPI 3 = SW SPI, other numbers reserved for future use

◆ _LCD_PAGE_NUM

int8_t ERM19264_UC1609::_LCD_PAGE_NUM = (_LCD_HEIGHT/8)

private

Number of 8 bit screen pages

◆ _LCD_WIDTH

int16_t ERM19264_UC1609::_LCD_WIDTH = 192

private

Width of screen in pixels

◆ _LCDbufferScreen

std::span<uint8_t> ERM19264_UC1609::_LCDbufferScreen

private

span to the screen buffer data

◆ _sleep

bool ERM19264_UC1609::_sleep = true

private

False = awake/ON , true = sleep/OFF

◆ _spiBaud

int ERM19264_UC1609::_spiBaud = 50000

private

The speed of serial communication in bits per second.

◆ _spiChan

int ERM19264_UC1609::_spiChan = 0

private

A SPI channel, >= 0.

◆ _spiDev

int ERM19264_UC1609::_spiDev = 0

private

A SPI device, >= 0.

◆ _spiFlags

int ERM19264_UC1609::_spiFlags = 0

private

The flags 2 LSB defines SPI mode

◆ _spiHandle

int ERM19264_UC1609::_spiHandle = 0

private

Hold a handle for the SPI device on the channel.

◆ _VbiasPOT

uint8_t ERM19264_UC1609::_VbiasPOT = 0x49

private

Contrast default 0x49 datasheet 00-FE

◆ UC1609_ADDRESS_CONTROL

constexpr uint8_t ERM19264_UC1609::UC1609_ADDRESS_CONTROL = 0x88

staticconstexprprivate

set RAM address control

◆ UC1609_ADDRESS_SET

constexpr uint8_t ERM19264_UC1609::UC1609_ADDRESS_SET = 0x02

staticconstexprprivate

Set AC [2:0] Program registers for RAM address control.

◆ UC1609_ALL_PIXEL_ON

constexpr uint8_t ERM19264_UC1609::UC1609_ALL_PIXEL_ON = 0xA4

staticconstexprprivate

sets on all Pixels on

◆ UC1609_BIAS_RATIO

constexpr uint8_t ERM19264_UC1609::UC1609_BIAS_RATIO = 0xE8

staticconstexprprivate

Bias Ratio. The ratio between V-LCD and V-D .

◆ UC1609_BIAS_RATIO_SET

constexpr uint8_t ERM19264_UC1609::UC1609_BIAS_RATIO_SET = 0x03

staticconstexprprivate

Set BR[1:0] = 11 (set to 9 default, 11b = 9)

◆ UC1609_DEFAULT_GN_PM

constexpr uint8_t ERM19264_UC1609::UC1609_DEFAULT_GN_PM = 0x49

staticconstexprprivate

default only used if user does not specify Vbias

◆ UC1609_DISPLAY_ON

constexpr uint8_t ERM19264_UC1609::UC1609_DISPLAY_ON = 0xAE

staticconstexprprivate

enables display

◆ UC1609_FRAMERATE_REG

constexpr uint8_t ERM19264_UC1609::UC1609_FRAMERATE_REG = 0xA0

staticconstexprprivate

Frame rate register

◆ UC1609_FRAMERATE_SET

constexpr uint8_t ERM19264_UC1609::UC1609_FRAMERATE_SET = 0x01

staticconstexprprivate

Set Frame Rate LC [4:3] 01b: 95 fps

◆ UC1609_GN_PM

constexpr uint8_t ERM19264_UC1609::UC1609_GN_PM = 0x81

staticconstexprprivate

Set V BIAS Potentiometer to fine tune V-D and V-LCD (double-byte command)

◆ UC1609_INVERSE_DISPLAY

constexpr uint8_t ERM19264_UC1609::UC1609_INVERSE_DISPLAY = 0xA6

staticconstexprprivate

inverts display

◆ UC1609_LCD_CONTROL

constexpr uint8_t ERM19264_UC1609::UC1609_LCD_CONTROL = 0xC0

staticconstexprprivate

Rotate map control

◆ UC1609_PC_SET

constexpr uint8_t ERM19264_UC1609::UC1609_PC_SET = 0x06

staticconstexprprivate

PC[2:0] 110, Internal V LCD (7x charge pump) + 10b: 1.4mA

◆ UC1609_POWER_CONTROL

constexpr uint8_t ERM19264_UC1609::UC1609_POWER_CONTROL = 0x28

staticconstexprprivate

Power control Address

◆ UC1609_SCROLL

constexpr uint8_t ERM19264_UC1609::UC1609_SCROLL = 0x40

staticconstexprprivate

scrolls , Set the scroll line number. 0-64

◆ UC1609_SET_COLADD_LSB

constexpr uint8_t ERM19264_UC1609::UC1609_SET_COLADD_LSB = 0x00

staticconstexprprivate

Column Address Set CA [3:0]

◆ UC1609_SET_COLADD_MSB

constexpr uint8_t ERM19264_UC1609::UC1609_SET_COLADD_MSB = 0x10

staticconstexprprivate

Column Address Set CA [7:4]

◆ UC1609_SET_PAGEADD

constexpr uint8_t ERM19264_UC1609::UC1609_SET_PAGEADD = 0xB0

staticconstexprprivate

Page address Set PA[3:0]

◆ UC1609_SYSTEM_RESET

constexpr uint8_t ERM19264_UC1609::UC1609_SYSTEM_RESET = 0xE2

staticconstexprprivate

System Reset

◆ UC1609_TEMP_COMP_REG

constexpr uint8_t ERM19264_UC1609::UC1609_TEMP_COMP_REG = 0x27

staticconstexprprivate

Temperature Compensation Register

◆ UC1609_TEMP_COMP_SET

constexpr uint8_t ERM19264_UC1609::UC1609_TEMP_COMP_SET = 0x00

staticconstexprprivate

TC[1:0] = 00b= -0.00%/ C

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

Classes

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ LCD_rotate_command_e

Constructor & Destructor Documentation

◆ ERM19264_UC1609() [1/2]

◆ ERM19264_UC1609() [2/2]

Member Function Documentation

◆ drawPixel()

◆ GetCommMode()

◆ LCD_HighFreqDelayGet()

◆ LCD_HighFreqDelaySet()

◆ LCDallpixelsOn()

◆ LCDbegin() [1/2]

◆ LCDbegin() [2/2]

◆ LCDBitmap()

◆ LCDBuffer()

◆ LCDclearBuffer()

◆ LCDEnable()

◆ LCDFillPage()

◆ LCDFillScreen()

◆ LCDinvert()

◆ LCDIssleeping()

◆ LCDrotate()

◆ LCDscroll()

◆ LCDSetBufferPtr()

◆ LCDSPIoff()

◆ LCDupdate()

◆ sendCommand()

◆ sendData()

◆ SoftwareSPIShiftOut()

Member Data Documentation

◆ _AddressCtrl

◆ _DeviceNumGpioChip

◆ _Display_CS

◆ _Display_DC

◆ _Display_RST

◆ _Display_SCLK

◆ _Display_SDATA

◆ _GpioHandle

◆ _LCD_HEIGHT

◆ _LCD_HighFreqDelay

◆ _LCD_mode

◆ _LCD_PAGE_NUM

◆ _LCD_WIDTH

◆ _LCDbufferScreen

◆ _sleep

◆ _spiBaud

◆ _spiChan

◆ _spiDev

◆ _spiFlags

◆ _spiHandle

◆ _VbiasPOT

◆ UC1609_ADDRESS_CONTROL

◆ UC1609_ADDRESS_SET

◆ UC1609_ALL_PIXEL_ON

◆ UC1609_BIAS_RATIO

◆ UC1609_BIAS_RATIO_SET

◆ UC1609_DEFAULT_GN_PM

◆ UC1609_DISPLAY_ON

◆ UC1609_FRAMERATE_REG

◆ UC1609_FRAMERATE_SET

◆ UC1609_GN_PM

◆ UC1609_INVERSE_DISPLAY

◆ UC1609_LCD_CONTROL

◆ UC1609_PC_SET

◆ UC1609_POWER_CONTROL

◆ UC1609_SCROLL

◆ UC1609_SET_COLADD_LSB

◆ UC1609_SET_COLADD_MSB

◆ UC1609_SET_PAGEADD

◆ UC1609_SYSTEM_RESET

◆ UC1609_TEMP_COMP_REG

◆ UC1609_TEMP_COMP_SET