SPI LCD control library for ST7565 Controller http://www.ladyada.net/learn/lcd/st7565.html. More...

#include <ST7565_SPI_LCD.h>

Inherits GraphicsDisplay.

Public Types
enum	LCDType
	LCD panel format. More...
Public Member Functions
	ST7565 (PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, LCDType type, const char *name="LCD")
	Create a ST7565 object connected to SPI1.
virtual int	width ()
	Get the width of the screen in pixel.
virtual int	height ()
	Get the height of the screen in pixel.
virtual void	pixel (int x, int y, int colour)
	Draw a pixel at x,y black or white.
void	circle (int x, int y, int r, int colour)
	Draw a circle.
void	fillcircle (int x, int y, int r, int colour)
	Draw a filled circle.
void	line (int x0, int y0, int x1, int y1, int colour)
	Draw a 1 pixel line.
void	rect (int x0, int y0, int x1, int y1, int colour)
	Draw a rect.
void	fillrect (int x0, int y0, int x1, int y1, int colour)
	Draw a filled rect.
void	set_contrast (unsigned int o)
	set the contrast level
unsigned int	get_contrast (void)
	read the contrast level
void	invert (unsigned int o)
	Invert the screen.
virtual void	cls (void)
	Clear the screen.
void	setmode (int mode)
	Set the drawing mode.
virtual int	columns (void)
	Calculate the max number of columns.
virtual int	rows (void)
	calculate the max number of rows
virtual void	character (int x, int y, int c)
	Draw a character on given position out of the active font to the LCD.
virtual void	locate (int x, int y)
	Setup cursor position.
void	set_auto_up (unsigned int up)
	Setup auto update of screen.
unsigned int	get_auto_up (void)
	Get status of the auto update function.
void	set_font (unsigned char *f)
	Select the font to use.
void	print_bm (Bitmap bm, int x, int y)
	Print bitmap to buffer.
int	putc (int c)
	Write a character to the LCD.
int	printf (const char *format,...)
	Write a formated string to the LCD.
virtual bool	claim (FILE *stream)
	Redirect output from a stream (stoud, sterr) to display.
Protected Types
enum
	Draw color. More...
enum
	Draw mode NORMAl XOR set pixel by xor the screen. More...
Protected Attributes
SPI *	_spi_p
	Vars.

Detailed Description

SPI LCD control library for ST7565 Controller http://www.ladyada.net/learn/lcd/st7565.html.

AD-12864-SPI http://www.aitendo.com/product/1622 AQM12848A http://akizukidenshi.com/catalog/g/gK-07007/

 #include "mbed.h"

 #if 1
 //           mosi, sck, reset, a0, ncs
 ST7565   lcd(dp2, dp6, dp10, dp4, dp9, ST7565::AD12864SPI);
 #else
 SPI      spi_lcd(dp2, dp1, dp6); // mosi, miso, sck
 //           spi, reset, a0, ncs
 ST7565   lcd(spi_lcd, dp10, dp4, dp9, ST7565::AD12864SPI);
 #endif

 int main() {
   lcd.cls();
   lcd.set_contrast(0x06);
   lcd.printf("123456789012345678901234567890\r\n");
   lcd.rect(10,10,100,50,BLACK);
   lcd.circle(10,10,10,BLACK);
   lcd.fillcircle(50,40,10,BLACK);
   lcd.line(0,0,110,60,BLACK);
   while(1){;}
 }

Definition at line 75 of file ST7565_SPI_LCD.h.

Member Enumeration Documentation

anonymous enum [protected]

Draw color.

Definition at line 306 of file ST7565_SPI_LCD.h.

anonymous enum [protected]

Draw mode NORMAl XOR set pixel by xor the screen.

Definition at line 312 of file ST7565_SPI_LCD.h.

enum LCDType

LCD panel format.

Definition at line 80 of file ST7565_SPI_LCD.h.

Constructor & Destructor Documentation

ST7565	(	PinName	mosi,
		PinName	sck,
		PinName	reset,
		PinName	a0,
		PinName	ncs,
		LCDType	type,
		const char *	name = `"LCD"`
	)

Create a ST7565 object connected to SPI1.

Definition at line 50 of file ST7565_SPI_LCD.cpp.

Member Function Documentation

void character	(	int	x,
		int	y,
		int	c
	)		`[virtual]`

Draw a character on given position out of the active font to the LCD.

Parameters:

x	x-position of char (top left)
y	y-position
c	char to print

Implements TextDisplay.

Definition at line 576 of file ST7565_SPI_LCD.cpp.

void circle	(	int	x,
		int	y,
		int	r,
		int	colour
	)

Draw a circle.

Parameters:

x0,y0	center
r	radius
color	- 1 set pixel, 0 erase pixel

Definition at line 411 of file ST7565_SPI_LCD.cpp.

bool claim ( FILE * stream ) [virtual, inherited]

Redirect output from a stream (stoud, sterr) to display.

Parameters:

stream stream that shall be redirected to the TextDisplay

Definition at line 65 of file TextDisplay.cpp.

void cls ( void ) [virtual]

Clear the screen.

Reimplemented from TextDisplay.

Definition at line 289 of file ST7565_SPI_LCD.cpp.

int columns ( void ) [virtual]

Calculate the max number of columns.

Depends on actual font size

Returns:: max column

Implements TextDisplay.

Definition at line 534 of file ST7565_SPI_LCD.cpp.

void fillcircle	(	int	x,
		int	y,
		int	r,
		int	colour
	)

Draw a filled circle.

Parameters:

x0,y0	center
r	radius
color	- 1 set pixel, 0 erase pixel

Use circle with different radius, Can miss some pixels

Definition at line 508 of file ST7565_SPI_LCD.cpp.

void fillrect	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		int	colour
	)

Draw a filled rect.

Parameters:

x0,y0	top left corner
x1,y1	down right corner
color	- 1 set pixel, 0 erase pixel

Definition at line 387 of file ST7565_SPI_LCD.cpp.

unsigned int get_auto_up ( void )

Get status of the auto update function.

Returns:: if auto update is on

Definition at line 637 of file ST7565_SPI_LCD.cpp.

unsigned int get_contrast ( void )

read the contrast level

Definition at line 138 of file ST7565_SPI_LCD.cpp.

int height ( ) [virtual]

Get the height of the screen in pixel.

Returns:: height of screen in pixel

Definition at line 115 of file ST7565_SPI_LCD.cpp.

void invert ( unsigned int o )

Invert the screen.

Parameters:

o	= 0 normal, 1 invert

Definition at line 121 of file ST7565_SPI_LCD.cpp.

void line	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		int	colour
	)

Draw a 1 pixel line.

Parameters:

x0,y0	start point
x1,y1	stop point
color	- 1 set pixel, 0 erase pixel

Definition at line 295 of file ST7565_SPI_LCD.cpp.

void locate	(	int	x,
		int	y
	)		`[virtual]`

Setup cursor position.

Parameters:

x	x-position (top left)
y	y-position

Reimplemented from TextDisplay.

Definition at line 528 of file ST7565_SPI_LCD.cpp.

void pixel	(	int	x,
		int	y,
		int	colour
	)		`[virtual]`

Draw a pixel at x,y black or white.

Parameters:

x	horizontal position
y	vertical position
color	- 1 set pixel, 0 erase pixel

Definition at line 198 of file ST7565_SPI_LCD.cpp.

void print_bm	(	Bitmap	bm,
		int	x,
		int	y
	)

Print bitmap to buffer.

Parameters:

bm	Bitmap in flash
x	x start
y	y start

Definition at line 642 of file ST7565_SPI_LCD.cpp.

int printf	(	const char *	format,
			...
	)

Write a formated string to the LCD.

Parameters:

format A printf-style format string, followed by the variables to use in formating the string.

int putc ( int c )

Write a character to the LCD.

Parameters:

c	The character to write to the display

void rect	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		int	colour
	)

Draw a rect.

Parameters:

x0,y0	top left corner
x1,y1	down right corner
color	- 1 set pixel, 0 erase pixel

Definition at line 360 of file ST7565_SPI_LCD.cpp.

int rows ( void ) [virtual]

calculate the max number of rows

Returns:: max rows depends on actual font size

Implements TextDisplay.

Definition at line 539 of file ST7565_SPI_LCD.cpp.

void set_auto_up ( unsigned int up )

Setup auto update of screen.

Parameters:

up	1 = on , 0 = off

if switched off the program has to call copy_to_lcd() to update screen from framebuffer

Definition at line 628 of file ST7565_SPI_LCD.cpp.

void set_contrast ( unsigned int o )

set the contrast level

Definition at line 130 of file ST7565_SPI_LCD.cpp.

void set_font ( unsigned char * f )

Select the font to use.

Parameters:

f	pointer to font array

font array can created with GLCD Font Creator from http://www.mikroe.com you have to add 4 parameter at the beginning of the font array to use:

the number of byte / char
the vertial size in pixel
the horizontal size in pixel
the number of byte per vertical line you also have to change the array to char[]

Definition at line 623 of file ST7565_SPI_LCD.cpp.

void setmode ( int mode )

Set the drawing mode.

Parameters:

mode	NORMAl or XOR

Definition at line 523 of file ST7565_SPI_LCD.cpp.

int width ( ) [virtual]

Get the width of the screen in pixel.

Returns:: width of screen in pixel

Definition at line 109 of file ST7565_SPI_LCD.cpp.

Field Documentation

SPI* _spi_p [protected]

Vars.

Definition at line 315 of file ST7565_SPI_LCD.h.

Type:	Library
Created:	21 Sep 2014
Imports:	55
Forks:	0
Commits:	24
Dependents:	2
Dependencies:	0
Followers:	3

ST7565 Class Reference

Public Types

Public Member Functions

Protected Types

Protected Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation

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ST7565 Class Reference

Public Types

Public Member Functions

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Protected Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation

Repository toolbox

Repository details

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