Adafruit_ST77xx Class Reference

Subclass of SPITFT for ST77xx displays (lots in common!) More...

#include <Adafruit_ST77xx.h>

Inheritance diagram for Adafruit_ST77xx:

Public Member Functions
	Adafruit_ST77xx (uint16_t w, uint16_t h, int8_t _CS, int8_t _DC, int8_t _MOSI, int8_t _SCLK, int8_t _RST=-1, int8_t _MISO=-1)
	Instantiate Adafruit ST77XX driver with software SPI. More...
	Adafruit_ST77xx (uint16_t w, uint16_t h, int8_t CS, int8_t RS, int8_t RST=-1)
	Instantiate Adafruit ST77XX driver with hardware SPI. More...
	Adafruit_ST77xx (uint16_t w, uint16_t h, SPIClass *spiClass, int8_t CS, int8_t RS, int8_t RST=-1)
	Instantiate Adafruit ST77XX driver with selectable hardware SPI. More...
void	setAddrWindow (uint16_t x, uint16_t y, uint16_t w, uint16_t h)
	SPI displays set an address window rectangle for blitting pixels. More...
void	setRotation (uint8_t r)
	Set origin of (0,0) and orientation of TFT display. More...
void	enableDisplay (boolean enable)
	Change whether display is on or off. More...
void	enableTearing (boolean enable)
	Change whether TE pin output is on or off. More...
void	enableSleep (boolean enable)
	Change whether sleep mode is on or off. More...

Protected Member Functions
void	begin (uint32_t freq=0)
	Initialize ST77xx chip. Connects to the ST77XX over SPI and sends initialization procedure commands. More...
void	commonInit (const uint8_t *cmdList)
	Initialization code common to all ST77XX displays. More...
void	displayInit (const uint8_t *addr)
	Companion code to the initiliazation tables. Reads and issues a series of LCD commands stored in PROGMEM byte array. More...
void	setColRowStart (int8_t col, int8_t row)
	Set origin of (0,0) of display with offsets. More...

Protected Attributes
uint8_t	_colstart = 0
	Some displays need this changed to offset.
uint8_t	_rowstart = 0
	Some displays need this changed to offset.
uint8_t	spiMode = SPI_MODE0
	Certain display needs MODE3 instead.

Detailed Description

Subclass of SPITFT for ST77xx displays (lots in common!)

Constructor & Destructor Documentation

Adafruit_ST77xx() [1/3]

Adafruit_ST77xx::Adafruit_ST77xx	(	uint16_t	w,
		uint16_t	h,
		int8_t	cs,
		int8_t	dc,
		int8_t	mosi,
		int8_t	sclk,
		int8_t	rst = -1,
		int8_t	miso = -1
	)

Instantiate Adafruit ST77XX driver with software SPI.

Parameters

w	Display width in pixels at default rotation setting (0)
h	Display height in pixels at default rotation setting (0)
cs	Chip select pin #
dc	Data/Command pin #
mosi	SPI MOSI pin #
sclk	SPI Clock pin #
rst	Reset pin # (optional, pass -1 if unused)
miso	SPI MISO pin # (optional, pass -1 if unused)

Adafruit_ST77xx() [2/3]

Adafruit_ST77xx::Adafruit_ST77xx	(	uint16_t	w,
		uint16_t	h,
		int8_t	cs,
		int8_t	dc,
		int8_t	rst = -1
	)

Instantiate Adafruit ST77XX driver with hardware SPI.

Parameters

w	Display width in pixels at default rotation setting (0)
h	Display height in pixels at default rotation setting (0)
cs	Chip select pin #
dc	Data/Command pin #
rst	Reset pin # (optional, pass -1 if unused)

Adafruit_ST77xx() [3/3]

Adafruit_ST77xx::Adafruit_ST77xx	(	uint16_t	w,
		uint16_t	h,
		SPIClass *	spiClass,
		int8_t	cs,
		int8_t	dc,
		int8_t	rst = -1
	)

Instantiate Adafruit ST77XX driver with selectable hardware SPI.

Parameters

w	Display width in pixels at default rotation setting (0)
h	Display height in pixels at default rotation setting (0)
spiClass	A pointer to an SPI device to use (e.g. &SPI1)
cs	Chip select pin #
dc	Data/Command pin #
rst	Reset pin # (optional, pass -1 if unused)

Member Function Documentation

setAddrWindow()

void Adafruit_ST77xx::setAddrWindow	(	uint16_t	x,
		uint16_t	y,
		uint16_t	w,
		uint16_t	h
	)

SPI displays set an address window rectangle for blitting pixels.

Parameters

x	Top left corner x coordinate
y	Top left corner y coordinate
w	Width of window
h	Height of window

setRotation()

void Adafruit_ST77xx::setRotation

(

uint8_t

m

)

Set origin of (0,0) and orientation of TFT display.

Parameters

m	The index for rotation, from 0-3 inclusive

enableDisplay()

void Adafruit_ST77xx::enableDisplay

(

boolean

enable

)

Change whether display is on or off.

Parameters

enable

True if you want the display ON, false OFF

enableTearing()

void Adafruit_ST77xx::enableTearing

(

boolean

enable

)

Change whether TE pin output is on or off.

Parameters

enable

True if you want the TE pin ON, false OFF

enableSleep()

void Adafruit_ST77xx::enableSleep

(

boolean

enable

)

Change whether sleep mode is on or off.

Parameters

enable

True if you want sleep mode ON, false OFF

begin()

void Adafruit_ST77xx::begin ( uint32_t  freq = 0 )

protected

Initialize ST77xx chip. Connects to the ST77XX over SPI and sends initialization procedure commands.

Parameters

freq	Desired SPI clock frequency

commonInit()

void Adafruit_ST77xx::commonInit ( const uint8_t *  cmdList )

protected

Initialization code common to all ST77XX displays.

Parameters

cmdList

Flash memory array with commands and data to send

displayInit()

void Adafruit_ST77xx::displayInit ( const uint8_t *  addr )

protected

Companion code to the initiliazation tables. Reads and issues a series of LCD commands stored in PROGMEM byte array.

Parameters

addr	Flash memory array with commands and data to send

setColRowStart()

void Adafruit_ST77xx::setColRowStart ( int8_t  col, int8_t  row  )

protected

Set origin of (0,0) of display with offsets.

Parameters

col	The offset from 0 for the column address
row	The offset from 0 for the row address

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

• Adafruit_ST77xx.h
• Adafruit_ST77xx.cpp