#include <C12832.h>

Inherits GraphicsDisplay.

Public Member Functions
	C12832 (PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char *name="LCD")
	Create a C12832 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	copy_to_lcd (void)
	Copy display buffer to LCD.
void	set_contrast (unsigned int o)
	Set the orienation of the screen.
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	rows (void)
	Calculate the max number of columns.
virtual int	_putc (int value)
	Put a char on the screen.
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.
virtual bool	claim (FILE *stream)
	Redirect output from a stream (stoud, sterr) to display.
Data Fields
SPI	_spi
	Vars.
Protected Member Functions
void	hline (int x0, int x1, int y, int colour)
	Draw a horizontal line.
void	vline (int y0, int y1, int x, int colour)
	Draw a vertical line.
void	lcd_reset ()
	Init the C12832 LCD controller.
void	wr_dat (unsigned char value)
	Write data to the LCD controller.
void	wr_cmd (unsigned char value)
	Write a command the LCD controller.

Detailed Description

The C12832 class.

Definition at line 59 of file C12832.h.

Constructor & Destructor Documentation

C12832	(	PinName	mosi,
		PinName	sck,
		PinName	reset,
		PinName	a0,
		PinName	ncs,
		const char *	name = `"LCD"`
	)

Create a C12832 object connected to SPI1.

Definition at line 31 of file C12832.cpp.

Member Function Documentation

int _putc ( int value ) [virtual]

Put a char on the screen.

Parameters:

value char to print

Returns:: printed char

Reimplemented from TextDisplay.

Definition at line 470 of file C12832.cpp.

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 485 of file C12832.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 324 of file C12832.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 peripherals/C12832/TextDisplay.cpp.

void cls ( void ) [virtual]

Clear the screen.

Reimplemented from TextDisplay.

Definition at line 204 of file C12832.cpp.

void copy_to_lcd ( void )

Copy display buffer to LCD.

Definition at line 158 of file C12832.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 432 of file C12832.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 299 of file C12832.cpp.

unsigned int get_auto_up ( void )

Get status of the auto update function.

Returns:: if auto update is on

Definition at line 538 of file C12832.cpp.

unsigned int get_contrast ( void )

Read the contrast level.

Definition at line 68 of file C12832.cpp.

int height ( ) [virtual]

Get the height of the screen in pixel.

Returns:: height of screen in pixel

Definition at line 47 of file C12832.cpp.

void hline	(	int	x0,
		int	x1,
		int	y,
		int	colour
	)		`[protected]`

Draw a horizontal line.

Parameters:

x0	horizontal start
x1	horizontal stop
y	vertical position
color	- 1 set pixel, 0 erase pixel

void invert ( unsigned int o )

Invert the screen.

Parameters:

o	= 0 normal, 1 invert

Definition at line 54 of file C12832.cpp.

void lcd_reset ( ) [protected]

Init the C12832 LCD controller.

Definition at line 96 of file C12832.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 211 of file C12832.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 448 of file C12832.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 140 of file C12832.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 543 of file C12832.cpp.

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 281 of file C12832.cpp.

int rows ( void ) [virtual]

Calculate the max number of columns.

Depends on actual font size

Returns:: max column

Implements TextDisplay.

Definition at line 463 of file C12832.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 532 of file C12832.cpp.

void set_contrast ( unsigned int o )

Set the orienation of the screen.

Definition at line 61 of file C12832.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 527 of file C12832.cpp.

void setmode ( int mode )

Set the drawing mode.

Parameters:

mode	NORMAl or XOR

Definition at line 443 of file C12832.cpp.

void vline	(	int	y0,
		int	y1,
		int	x,
		int	colour
	)		`[protected]`

Draw a vertical line.

Parameters:

x	horizontal position
y0	vertical start
y1	vertical stop
color	- 1 set pixel, 0 erase pixel

int width ( ) [virtual]

Get the width of the screen in pixel.

Returns:: width of screen in pixel

Definition at line 41 of file C12832.cpp.

void wr_cmd ( unsigned char value ) [protected]

Write a command the LCD controller.

Parameters:

cmd,: command to be written

Definition at line 76 of file C12832.cpp.

void wr_dat ( unsigned char value ) [protected]

Write data to the LCD controller.

Parameters:

dat	data written to LCD controller

Definition at line 86 of file C12832.cpp.

Field Documentation

SPI _spi

Vars.

Definition at line 227 of file C12832.h.

Type:	Program
Mbed OS support:	Mbed OS
Created:	29 Mar 2018
Imports:	22
Forks:	0
Commits:	5
Dependents:	0
Dependencies:	0
Followers:	6

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C12832 Class Reference

Public Member Functions

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Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation

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Important changes to repositories hosted on mbed.com

C12832 Class Reference

Public Member Functions

Data Fields

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation

Repository toolbox

Repository details

Important Information for this Arm website

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