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Display SSH1106 + SSD1306
Posted: Sat Nov 20, 2021 8:23 am
by jgu1
Hi!
I am testing some display I have, want to use one of them in a project HB100. They work in FC8 but not in FC9?
SSH1106 I2C:
I can change the bacgground color, from white to black and oppposite, but I cannot write any thing
Maybe a bug: Component macro for bacgground 0 = White and 1 = Black, both opposite ?
SSD1306 I2C:
Same?
SSD1306 SPI:
Same
Please, what am I doing wrong?
Br Jorgen
Re: Display SSH1106 + SSD1306
Posted: Sun Nov 21, 2021 8:56 pm
by jgu1
Hi Again!
More information. If I open a project from FC8 with one of these display in FC9, it work. But if I create a new project in FC9 with one of the display, they don“t work I can change the bag and foreground but not see text?
Br Jorgen.
Re: Display SSH1106 + SSD1306
Posted: Mon Nov 22, 2021 4:48 pm
by BenR
Hi Jorgen,
I've had a look and compare of the v8 and v9 component sources and in terms of the colours they seem to be identical.
I'll keep digging but I did notice this, both commands in your program are calling SetBackground.

- GLCD.jpg (46.78 KiB) Viewed 5260 times
If you do nothing with the colours and stick to the property defaults then can you see any text on the displays?
Re: Display SSH1106 + SSD1306
Posted: Mon Nov 22, 2021 7:02 pm
by jgu1
Hi Ben!
No if I not use the "set background" the display is black, no text. But I am able to invert the background when I use them, dark and black, same for all display.
As I mentoid if I open a FC8 project in FC9 I see some text. Can the issue have somthing to do with the new font possibilities i FC9?
Br Jorgen
Re: Display SSH1106 + SSD1306
Posted: Thu Nov 25, 2021 8:48 pm
by jgu1
Hi Ben!
I dare to ask any news, please
Br jorgen
Re: Display SSH1106 + SSD1306
Posted: Fri Nov 26, 2021 3:42 pm
by BenR
Hello,
I've had a look at the code and couldn't see many differences from v8 to v9 apart from the new font support. I'll have another pass through.
I've got a display here but the pins are just marked 1-7 which isn't that helpful.
I'll see if I can find a pin out for it and if not then I'll have to buy another one.
Re: Display SSH1106 + SSD1306
Posted: Fri Nov 26, 2021 6:57 pm
by jgu1
Hi Ben!
Strange

If you want, I can sent you one of each so you can test, let me hear?
Nice weekend.
Jorgen
Re: Display SSH1106 + SSD1306
Posted: Sat Jun 18, 2022 5:35 pm
by MJU20
I think it's a timing problem, even with an up to date component library
viewtopic.php?p=7143#p7143