Library for the EADOG LCD displays from electronic assembly. More...

#include <EADOG.h>

Public Member Functions
	EADOG (PinName mosi, PinName sck, PinName reset, PinName a0, PinName cs, uint8_t type)
	create a EADOG object connected to SPI
void	pixel (int x, int y, uint8_t colour)
	draw a pixel in buffer at x, y black or white
void	point (int x, int y, uint8_t colour)
	draw a single point
void	line (int x0, int y0, int x1, int y1, uint8_t colour)
	draw a 1 pixel line
void	rectangle (int x0, int y0, int x1, int y1, uint8_t colour)
	draw a rect
void	fillrect (int x0, int y0, int x1, int y1, uint8_t colour)
	draw a filled rect
void	roundrect (int x0, int y0, int x1, int y1, int rnd, uint8_t colour)
	draw a rounded rect
void	fillrrect (int x0, int y0, int x1, int y1, int rnd, uint8_t colour)
	draw a filled rounded rect
void	circle (int x, int y, int r, uint8_t colour)
	draw a circle
void	fillcircle (int x, int y, int r, uint8_t colour)
	draw a filled circle
void	update ()
	update copy display buffer to lcd
void	display (uint8_t display)
	display functions
void	display (uint8_t display, uint8_t value)
	display functions
void	cls ()
	clear the screen
void	character (uint8_t x, uint8_t y, uint8_t c)
	draw a character on given position out of the active font to the LCD
void	locate (uint8_t x, uint8_t y)
	set top left position of char/printf
void	font (uint8_t *f)
	select the font to use
void	bitmap (Bitmap bm, int x, int y)
	print bitmap to buffer
Protected Member Functions
virtual int	_putc (int value)
	stream class, put a char on the screen
virtual int	_getc ()
	stream class, dummy
void	init ()
	init the DOGM132 LCD controller
void	write_data (uint8_t data)
	write data to the LCD controller
void	write_command (uint8_t command)
	Write a command the LCD controller.

Detailed Description

Library for the EADOG LCD displays from electronic assembly.

Example for EA DOGM132x-5 with STM32F401RE Nucleo

 // display test for EA DOGM132x-5 with STM32F401RE Nucleo
 // sstaub(c)2016

 #include "mbed.h"
 #include "EADOG.h"
 #include "Small_7.h"
 #include "Fonts/ArialR12x14.h"

 // DOGM132x-5 Wide Range
 // Pins for STM32F401RE Nucleo

 // DOG Pin   Purpose   ST Pin
 // 40        CS        PB_6(D10)
 // 39        Reset     PC_7(D9)
 // 38        A0        PA_9(D8)
 // 37        SCK       PA_5(D13, SCK)
 // 36        MOSI      PA_7(D11, MOSI)
 // 35        VDD       3.3V
 // 34        VDD2      3.3V
 // 33        VSS       GND
 // 32        VOUT      1uF -> GND
 // 31        CAP3P     1uF -> CAP1N
 // 30        CAP1N     1uF -> CAP1P
 // 29        CAP1P
 // 28        CAP2P     1uF -> CAP2N
 // 27        CAP2N
 // 26        VSS       GND
 // 25        V4        1uF -> GND
 // 24        V3        1uF -> GND
 // 23        V2        1uF -> GND
 // 22        V1        1uF -> GND
 // 21        V0        1uF -> GND
 

 EADOG lcd(PA_7, PA_5, PC_7, PA_9, PB_6, DOGM132); // MOSI, SCK, Reset, A0, CS
 
 int main() {
   // create logo
   lcd.update(MANUAL);
   lcd.rectangle(0, 0, 131, 31, 1);
   lcd.fillrect(2, 2, 4, 4, 1);
   lcd.fillrect(2, 27, 4, 29, 1);
   lcd.fillrect(61, 2, 63, 4, 1);
   lcd.fillrect(61, 27, 63, 29, 1);
   lcd.line(65, 0, 65, 31, 1);
   lcd.circle(33, 15, 10, 1);
   lcd.circle(33, 15, 6, 1);
   lcd.fillcircle(33, 15, 3, 1);
   lcd.update();
   lcd.update(AUTO);
   // create description text
   lcd.locate(70, 1);
   lcd.font((unsigned char*)ArialR12x14);
   lcd.printf("mbed");
   lcd.locate(70, 13);
   lcd.font((unsigned char*)Small_7);
   lcd.printf("EA");
   lcd.locate(70, 22);
   lcd.printf("DOGM132x-5");

   wait(1);
   lcd.display(CONTRAST, 16); // contrast low
   wait(1);
   lcd.display(CONTRAST, 40); // contrast high
   wait(1);
   lcd.display(CONTRAST);     // contrast default
   wait(1);
   lcd.display(OFF);          // display off
   wait(1);
   lcd.display(ON);           // display on
   wait(1);
   lcd.display(SLEEP);        // display sleep
   wait(1);
   lcd.display(ON);           // display wake up

   while(1) {                 // main loop
     lcd.display(INVERT);     // display inverted
     lcd.display(BOTTOM);     // display normal orientation
     wait(2);
     lcd.display(DEFAULT);    // display 
     lcd.display(TOPVIEW);    // display rotated
     wait(2);    
     }
   }

Definition at line 150 of file EADOG.h.

Constructor & Destructor Documentation

EADOG	(	PinName	mosi,
		PinName	sck,
		PinName	reset,
		PinName	a0,
		PinName	cs,
		uint8_t	type
	)

create a EADOG object connected to SPI

Parameters:

mosi	pinname
sck	pinname
reset	pinname
a0	pinname
cs	pinname

Definition at line 20 of file EADOG.cpp.

Member Function Documentation

int _getc ( ) [protected, virtual]

stream class, dummy

Definition at line 406 of file EADOG.cpp.

int _putc ( int value ) [protected, virtual]

stream class, put a char on the screen

Parameters:

value char to print

Returns:: printed char

Definition at line 391 of file EADOG.cpp.

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

print bitmap to buffer

Parameters:

bm	Bitmap in flash
x	x start
y	y start

Definition at line 454 of file EADOG.cpp.

void character	(	uint8_t	x,
		uint8_t	y,
		uint8_t	c
	)

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

Definition at line 410 of file EADOG.cpp.

void circle	(	int	x,
		int	y,
		int	r,
		uint8_t	colour
	)

draw a circle

Parameters:

x0,y0	center
r	radius
colour	1 set pixel, 0 erase pixel

Definition at line 356 of file EADOG.cpp.

void cls ( )

clear the screen

Definition at line 254 of file EADOG.cpp.

void display	(	uint8_t	display,
		uint8_t	value
	)

display functions

Parameters:

display	CONTRAST set display contrast with value,
value	sets display contrast 0 - 63, default 31

Definition at line 88 of file EADOG.cpp.

void display ( uint8_t display )

display functions

Parameters:

display	ON switch display on, or wake up from sleep
display	OFF set display off
display	SLEEP set display off and to sleep mode
display	BOTTOM (default) set display orientation 0°
display	TOPVIEW draw display oriention to 180°
display	INVERT invert the pixels
display	DEFAULT normal pixel display
display	CONTRAST set display contrast to default

Definition at line 43 of file EADOG.cpp.

void fillcircle	(	int	x,
		int	y,
		int	r,
		uint8_t	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 pixel

Definition at line 370 of file EADOG.cpp.

void fillrect	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint8_t	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 298 of file EADOG.cpp.

void fillrrect	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		int	rnd,
		uint8_t	colour
	)

draw a filled rounded rect

Parameters:

x0,y0	top left corner
x1,y1	down right corner
rnd	radius of the rounding
color	1 set pixel, 0 erase pixel

Definition at line 333 of file EADOG.cpp.

void font ( uint8_t * 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[]
```
 lcd.font((unsigned char*)Small_7);
```

Definition at line 450 of file EADOG.cpp.

void init ( ) [protected]

init the DOGM132 LCD controller

Definition at line 114 of file EADOG.cpp.

void line	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint8_t	colour
	)

draw a 1 pixel line

Parameters:

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

Definition at line 272 of file EADOG.cpp.

void locate	(	uint8_t	x,
		uint8_t	y
	)

set top left position of char/printf

Parameters:

x	x-position
y	y-position

Definition at line 386 of file EADOG.cpp.

void pixel	(	int	x,
		int	y,
		uint8_t	colour
	)

draw a pixel in buffer at x, y black or white

Parameters:

x	horizontal position
y	vertical position
colour	1 set pixel, 0 erase pixel there is no update, it writes the pixel only in the buffer

Definition at line 260 of file EADOG.cpp.

void point	(	int	x,
		int	y,
		uint8_t	colour
	)

draw a single point

Parameters:

x	horizontal position
y	vertical position
colour	1 set pixel, 0 erase pixel

Definition at line 266 of file EADOG.cpp.

void rectangle	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint8_t	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 287 of file EADOG.cpp.

void roundrect	(	int	x0,
		int	y0,
		int	x1,
		int	y1,
		int	rnd,
		uint8_t	colour
	)

draw a rounded rect

Parameters:

x0,y0	top left corner
x1,y1	down right corner
rnd	radius of the rounding
color	1 set pixel, 0 erase pixel

Definition at line 309 of file EADOG.cpp.

void update ( )

update copy display buffer to lcd

Parameters:

AUTO	set update mode to auto, default
MANUELL	the update function must manually set update() copy display buffer to lcd

Definition at line 162 of file EADOG.cpp.

void write_command ( uint8_t command ) [protected]

Write a command the LCD controller.

Parameters:

cmd	command to be written

Definition at line 98 of file EADOG.cpp.

void write_data ( uint8_t data ) [protected]

write data to the LCD controller

Parameters:

dat	data written to LCD controller

Definition at line 106 of file EADOG.cpp.

Type:	Library
Created:	22 Sep 2016
Imports:	16
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	1
Followers:	4

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