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Messages - FlorianG

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1
Discussion - EVE / Re: Long text on BT 815
« on: April 25, 2024, 02:11:05 AM »
Another solution that I am considering is to generate an image directly via the CPU with the generated text and then send it to the GPU and display it.
But currently I have a problem with my graphics library because I cannot send uncompressed images via it.
If I send the data to the bt815 memory with uncompressed data it systematically crashes and I can't figure out why. 

I use the Gameduino 3 Dazler library. 

With compressed data it works but I don't know how to compress them directly via the CPU of the teensy 4. So I always have to go through a PC to compress the images and send them to the Teensy which will send it to the graphics chip.  but this prevents me from generating images directly at the heart of teensy

2
Discussion - EVE / Re: Long text on BT 815
« on: April 24, 2024, 04:44:13 PM »
Thank you for your response but I can't.  the text is dynamic.
we can't use the 8m of external ram?

3
Discussion - EVE / Re: Long text on BT 815
« on: April 23, 2024, 02:50:58 PM »
Thank you for your reply. 
It can be long text of more than 2000 characters

4
Discussion - EVE / Re: Modularly load ASTC images
« on: April 23, 2024, 02:13:00 AM »
Hi,

I really tried a lot of different combinations and different alignments in RAM but none worked.  Can you send us an example of two different images generated separately but both loaded at the same time in memory and which would be functional on the chips.  I will also be very curious to see how did you achieve this result.  Posting them here lets us know if the problem comes from our image generation or the way we load them into memory.

5
Discussion - EVE / Long text on BT 815
« on: April 23, 2024, 02:05:43 AM »
Hi,

do you know if it is possible to display long texts with the BT 815 chip?  I use the Gameduino 3x Dazzler so it is equipped with 8 mega of external RAM.  if I display too much text it crashes because I suppose I am saturating the list of instructions.  List which is too small and remains a big limitation on these chips. 

Ps. my CPU is at teensy 4.0

6
Discussion - EVE / Re: Modularly load ASTC images
« on: September 27, 2023, 11:38:45 PM »
Thank you for your help, I will send you all this by email as soon as possible

7
Discussion - EVE / Re: Modularly load ASTC images
« on: September 17, 2023, 02:09:47 AM »
I load all the data into the flash.  I put the image data one after the other directly, then I indicate the address of the images before loading them.
And indeed the first image is displayed correctly but the following ones do not work at all and sometimes they crash the chip

8
Discussion - EVE / Modularly load ASTC images
« on: September 11, 2023, 09:57:11 PM »
Hi :),
I have a problem with astc images.
I can't put multiple ASTC images one behind the other. Is this normal, and is there a way to fix it?
My goal is to be able to modularly load ASTC images into memory.

9
Discussion - EVE / Re: BT817/818 release date?
« on: August 24, 2020, 03:57:22 PM »
Hi,

I had launched this topik and am looking forward to an answer :
http://www.brtcommunity.com/index.php?topic=92.0.

I said to myself that maybe he pushes it back to improve it but hey, I don't care too much

10
Discussion - EVE / Re: Problem with my custom BT815 circuit
« on: June 13, 2020, 05:52:16 PM »
Thank you for your answer, the pin 33 is well connected to the GND.
Sorry for the readability problem, before I didn't use the label.

11
Discussion - EVE / Re: The Christmas list for BT82X
« on: May 25, 2020, 08:16:45 AM »
Hello, do you have any news about BT 817/818 ?

12
Discussion - EVE / Problem with my custom BT815 circuit
« on: May 25, 2020, 01:14:06 AM »
Hello,

I made this circuit based on the 815 bt and it does not work,
I do not know if it is a design defect or asenblage but the code works with the VM816C50A and FT811.

Can you tell me if you see errors on my diagrams?
thank you in advance for your help.

13
Discussion - EVE / Re: The Christmas list for BT82X
« on: January 22, 2020, 11:02:01 AM »
Ho my god !!!!! https://brtchip.com/ew2020/

A BT817 and 1280*800! 8)

14
Discussion - EVE / Re: The Christmas list for BT82X
« on: January 10, 2020, 10:38:47 AM »
"Well, in theory EVE already supports 2048x2048 pixels. :-)"
Thank you for this information, I was not aware. It must be said that Bridgetek is not very clear on this subject

-------------------------------------------------------------------------------------------------------------------------------
"The clock frequency already is customizable."

Ok but when i say customizable it is with precision to 1Mhz.
So that everyone can do what they want with these needs, overclooking included.

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"I agree, although even double the amount would be nice, so 16kB and 8kB."

I think that considering the fact that it is possible today to have 1 + 256M of video memory, we can have this parameter to have 64 - 128kb

15
Discussion - EVE / Re: BT815 to HDMI or VGA
« on: November 27, 2019, 10:11:39 AM »
"Setup each one to draw 1/4 of the screen(540p). Set the front/rear porch times for each one so that each 1/4 screen is offset in the overall frame(1080p) position."

That's what I missed.

Thank you very much, I do not know when I will test it but there is a good chance that it will happen

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