Hebrew support for oled(ssd1306)

Using Arduino Displays
1

Hello,
Does anybody knows how can I add hebrew support for the oled screen?

Thanks

2

Be Hazlacha!
Chag Sameach.

3

Hi

I put together unifont codes 0x0000 ... 0x007f and 0x0580 ... 0x05ff into one u8glib font (u8g_font_unicode_0_11.c). This font can be set with the command "u8g.setFont()". The font itself can be pasted directly into the .ino file.

The result of

u8g.drawStr(&u8g, 0, 20, "ALEF:\xd0 BET:\xd1");

can be seen in the attached png file.

Oliver

unicode_5d0.png

u8g_font_unifont_0_11.c (10.5 KB)

4

Well thank you and Chag Sameach :slight_smile:
My display uses I2C and for some reason my display cannot use hardware I2C pins, so I modified adafruit's library so I can use software I2C and that worked.

Does you library support software I2C ?
thank you.

5

U8glib only supports HW SPI (Google Code Archive - Long-term storage for Google Code Project Hosting.).

Why can't you use HW SPI?

Oliver

6

I've bought this display from ebay:http://www.ebay.com/itm/0-96-I2C-IIC-SPI-Serial-128X64-OLED-LCD-LED-Display-Module-for-Arduino-blue-/281232746437?pt=LH_DefaultDomain_0&hash=item417ac727c5

And I can't use it with SPI.

7

Oh, my mistake. Replace SPI by I2C.
U8glib supports SPI but also Hardware I2C for this controller. In fact, this display should be supported by U8glib. See also the gallery page: Google Code Archive - Long-term storage for Google Code Project Hosting. and the related discussion here: Problem with SSD1306 LCD and U8glib - Displays - Arduino Forum.

However Software I2C is not supported by U8glib, so my question should be: What is the reason that you can not use Hardware I2C?

Oliver

8

Well I don't know,it's just doesn't work :~

9

Itai_g10:
Well I don't know,it's just doesn't work :~

Did you try U8glib? What is your Arduino board? How did you wire the OLED?

Oliver

10

I bought this arduino board from ebay :http://www.ebay.com/itm/130905365831?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649

Yes,I've tried u8glib.
The wiring that I've tried is:
Oled-Arduino:
GND -> GND
VCC -> VCC
SDA -> A4(the analog 4th pin)
SCL -> A5(the analog 5th pin)

Thanks.

11

Looks correct, which U8glib constructor did you use?
This display requires this constructor:

U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NO_ACK);

Oliver

12

I will try it later,because my display is already soldered into my project.
Thank you

13

olikraus:
Hi

I put together unifont codes 0x0000 ... 0x007f and 0x0580 ... 0x05ff into one u8glib font (u8g_font_unicode_0_11.c). This font can be set with the command "u8g.setFont()". The font itself can be pasted directly into the .ino file.

The result of

u8g.drawStr(&u8g, 0, 20, "ALEF:\xd0 BET:\xd1");

can be seen in the attached png file.

Oliver

Can you please give instructions on how to use the font?
If I paste it into the ino project it does not compile complaing about u8g.h

If I put it in utils directory it does not know the file:
"error: 'u8g_font_unifont_0_11' was not declared in this scope
Error compiling."

What am i missing here?

14

Hi

Copy the content of the above attached file (without the include statement) to your .ino file. Use u8g_font_unifont_0_11 as argument for the u8g.setFont() command.

Oliver

15

olikraus:
Hi

Copy the content of the above attached file (without the include statement) to your .ino file. Use u8g_font_unifont_0_11 as argument for the u8g.setFont() command.

Oliver

Sorry for the noob question but just to refine.

download file (xx.c)
add to ino (so its now a second file in the ino)
remove the "#include "u8g.h"" text
compile?

(I am not at home, so i cannot test this right now),
Does the scenario look correct?

Update::
This does not work,. if I remove the include it gives out many more errrors

Can you please attach a working ino?

16

Just copy the array (Ctrl-C) to the same .ino file. There should be only one .ino file. Of course it will work with two files also, but this would be more complicated.

Oliver

17

SUCCESS!!!!

18