This library is for the LCDs from Electronic Assembly http://www.lcd-module.de/produkte/dog.html
The library support following types:
EA DOGL128
EA DOGM128
EA DOGM132
It uses better algorithms (Bresenham) for the graphics than the other libraries.

1. "Download":https://github.com/sstaub/EADOG/archive/master.zip the Master branch from GitHub.
2. Unzip and modify the folder name to "EADOG"
3. Move the modified folder on your Library folder (On your Libraries folder inside Sketchbooks or Arduino software).

Here is an example for an EA DOGM132 display with a STM32 Nucleo STM32F401RE board.

// display test for EA DOGM132x-5 with STM32F401RE Nucleo
// sstaub(c)2017

#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

*/

Serial debug(USBTX, USBRX);
Timer t;

EADOG lcd(PA_7, PA_5, PC_7, PA_9, PB_6, DOGM132); // MOSI, SCK, Reset, A0, CS

int main() {
  t.start();
  debug.printf("create logo\n");

  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);

  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);
  debug.printf("contrast low\n");
  wait(1);
  lcd.display(CONTRAST, 40);
  debug.printf("contrast high\n");
  wait(1);
  lcd.display(CONTRAST);
  debug.printf("contrast default\n");
  wait(1);
  lcd.display(OFF);
  debug.printf("display off\n");
  wait(1);
  lcd.display(ON);
  debug.printf("display on\n");
  wait(1);
  lcd.display(SLEEP);
  debug.printf("display sleep\n");
  wait(1);
  lcd.display(ON);
  debug.printf("display wake up\n");


  while(1) {

    lcd.display(INVERT);
    lcd.display(BOTTOM);
    debug.printf("display normal\n");
    debug.printf("at time %f s\n", t.read());
    wait(2);

    lcd.display(DEFAULT);
    lcd.display(TOPVIEW);
    debug.printf("display rotate, invers\n");
    debug.printf("at time %f s\n", t.read());
    wait(2);
    }
  }

• DOGM128
• DOGM132
• DOGL128

EADOG(PinName mosi, PinName sck, PinName reset, PinName a0, PinName cs, uint8_t type)
create a EADOG object connected to SPI

void bitmap(Bitmap bm, int x, int y)
print bitmap to buffer

Parameters
bm -> Bitmap in flash
x -> x start
y -> y start

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 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

void cls()
clears the screen

void display(uint8_t display)
display functions

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

void display(uint8_t display, uint8_t value)
display functions

Parameter display
CONTRAST set diplay contrast
Parameter value
value -> set the contrast value from 0 to 63, default is 31

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

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

void fillrrect(int x0, int y0, int x1, int y1, int rnd, uint8_t colour)
draw a filled rounded rect

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

void font(uint8_t * f)
select the font to use

Parameter
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);

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

void locate(uint8_t x, uint8_t y)
set top left position of char/printf

Parameters
x -> x-position
y -> y-position

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

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

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

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

void update()
void update(uint8_t mode)
update to copy display buffer to lcd

Parameter mode
AUTO set update mode to auto, default
MANUELL the update function must manually set