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A year ago this MIMXRT1170-EVK board would have made me cry. Real tears.
As it is, it puts up a heck of a fight. I mentioned some war stories several posts ago and have now progressed to trying to use the board's relatively generous SDRAM, and also write my program to the board's external flash - unlike most ARM Cortex M chips, these boys don't have embedded flash. It's external. It's cool because you can add your own flash to it in whatever size and spec you need, but it makes things complicated.
Somehow writing my previously working program to flash (rather than debug-injecting it directly into SRAM) is causing SPI send errors and is running extremely slow.
I'm trying to copy the contents to SDRAM and run it from there, which should be doable, but the flasher refuses to write my code when I configure it that way, despite it compiling and linking.
In the end I'd like to boot off of microSD which this is capable of but it's black magic.
It's fits and starts with this board. I hit walls, make a bit or even a bunch of progress, and then back to the barriers everywhere i look.
I do not like NXP's documentation.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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Take a break and some distance, get busy with something else for a while, relax a bit and you probably will find a hack or a new way to do it as you usually do.
Just breath slow.
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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I agree with Nelek
"A little time, a little trouble, your better day"
Badfinger
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I would go back to a state that really worked and try a new approach.
On Thursday I added automated testing to my cards game (replace the human player with another computer player and later add a simple AI approach). First it seemed to work ok (run > 200 games without any problem).
After one day of writing code and testing it started with ugly Sytem.StackOverFlow error always after 15 games in 32 bit (and 45 games in 64 bit version).
Tried to fix Sytem.StackOverFlow error on Friday and Saturday - but could not solve this challenge.
Then last night I went back to my backup from Thursday (automated testing without AI) and the error is gone.
Now looking for a new AI solution...
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I can go back to the state that worked, but that only works by direct injection into memory using a debug probe, which is not practical.
As far as new approaches, that's the problem. Although I've found a lead just now. The issue is getting the program to load off of flash into SDRAM, which I managed, but then it has to execute in place out of the SDRAM, which is not automatic, and the documentation on setting all this up is .. terse, plus it involves a lot of register fiddling and clock timing things. It's nothing straightforward.
Fortunately I just found an example of doing what i need which I can hopefully adapt.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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I once asked a coworker about his rubber duck (he had one on his desk) and misspelled "duck".
He laughed, I laughed, HR laughed.
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Wordle 994 3/6*
⬜🟨⬜⬜🟨
⬜⬜⬜🟩🟩
🟩🟩🟩🟩🟩
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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🟩🟨⬜⬜🟨
🟩⬜🟨🟩⬜
🟩🟩🟩🟩🟩
In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
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Wordle 994 3/6
⬛⬛⬛⬛⬛
⬛🟩🟨🟩🟨
🟩🟩🟩🟩🟩
Ok, I have had my coffee, so you can all come out now!
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Wordle 994 3/6
⬛⬛⬛⬛⬛
🟩🟨⬛⬛🟨
🟩🟩🟩🟩🟩
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Wordle 994 6/6
⬜⬜⬜🟩⬜
⬜⬜⬜🟩🟩
⬜⬜⬜🟩🟩
⬜🟨⬜🟩🟩
🟨⬜⬜🟩🟩
🟩🟩🟩🟩🟩
Just managed.
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Wordle 994 3/6*
⬛⬛⬛⬛🟨
⬛🟩⬛🟨🟨
🟩🟩🟩🟩🟩
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How do you feel about AI entering the gaming scene? I wouldn't be surprised if AI could easily outperform most human performers. Would that be a valuable advancement of the art?
Maybe this question is more relevant for your sons and grandsons than for yourself. (Or, as the date is still March 8th, your daughters and granddaughters.)
Religious freedom is the freedom to say that two plus two make five.
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I wouldn't consider either to be "AI", but two games I wrote beat me more often than not.
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trønderen wrote: I wouldn't be surprised if AI could easily outperform most human performers.
I would.
Fixed rule set and massive computers to learn chess.
I don't expect to see it bouncing around Fortnite winning matches. For one thing I doubt enough consumable video exists to learn the game. Self driving cars are becoming less self driving lately even spending massive time on the actual road, so not sure how it is going ramp up.
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So do you think AI could outperform humans in creative activity, such as music, literature and visual arts, but not in gaming?
Or do you think that gaming is a more challenging task for AI to master than creative arts?
Now that you mention chess: Stockfish has been around a lot longer than AI.
Religious freedom is the freedom to say that two plus two make five.
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trønderen wrote: Or do you think that gaming is a more challenging task for AI to master than creative arts?
Yes. It isn't a static product. It has to respond to the existing changing conditions. Which is exactly how self driving cars are supposed to work but do not.
trønderen wrote: Stockfish has been around a lot longer than AI.
Stockfish - invented in 2004.
Lisp - created in 1960. "It quickly became a favored programming language for artificial intelligence (AI) research"
Lisp (programming language) - Wikipedia[^]
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jschell wrote: For one thing I doubt enough consumable video exists to learn the game.
You underestimate the size that E-sports has grown to. Not only that, but most games have streamers going constantly that the AI could learn from. Not to mention that every gamer puts out a game guide on YouTube. Also, the game could play 24/7 and learn from in game play. I think the resources are out there, just a matter of it being able to comprehend the amount of data being thrown at it. Trying to process 30 frames per second would be a challenge. Also, games have progressed to the point where even the sounds give you an edge so acoustic spatial cognition would have to be taken into account, although maybe you could get by with just the visuals.
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Content exists. I doubt the form is consumable in a consistent manner.
You are correct that a way would need to be found for it to consume the content.
When an AI scans texts is puts a pattern to the words that it finds. How does if find the pattern that ties the game controls to the video? How does it work with keyboard controls that are not even seen in the video? What about social interactions where two players just stop somewhere to have a chat?
milo-xml wrote: Not only that, but most games have streamers going constantly that the AI could learn from. Not to mention that every gamer puts out a game guide on YouTube.
You mention that as though they are the same thing. Not to mention that you presume each source, even if similar is the same thing.
Have you watched a game play video where the gamer cut out a piece to skip over parts?
What about game play with commentary where the gamer explains why they are playing in a certain way? For example what about a player that is trying to see how fast they can get killed? Or how many times they can die?
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I haven't been into AI as much as I should be I guess. Can it process audio/subtitles? The AI I know of learns by playing and having the rules programmed in. Like AlphaGo. I also thought the success any AI is what is fed into it. Garbage in/garbage out kind of thing.
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Far as I know AI relies on volume. So the entire library of New York Times articles.
No real people vetted the content first.
And text is text. Very consumable as just that.
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Depends on what it's going to be used for.
Some games have countless NPCs you can encounter. Some game designers spend an inordinate amount of time coding in short, random conversations. I could certainly see those inconsequential conversations being moved to AI. It could add quite a bit of realism.
Would there be any payoff other than it being a neat thing? Probably not.
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dandy72 wrote: Would there be any payoff other than it being a neat thing? Probably not.
Would painter, authors and composers react similarly? "It is just a neat thing".
Religious freedom is the freedom to say that two plus two make five.
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I don't care if I'm getting fragged by some 8 year old korean kid with too much time on his hands, or teabagged by AI, it still makes not want to play when someone much higher level than me camps on my spawn points just to be a jerk.
Besides, I got sick of FPS games once Quake was released. I made a temporary exception for Overwatch.
I think AI potential in gaming has more to do with livening up NPC dialogue and maybe eventually, AI gamemastering.
I think people will try to use AI to farm for XP and stuff on games, and the game servers will probably try unsuccessfully to shut them out.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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honey the codewitch wrote: I think people will try to use AI to farm for XP and stuff on games,
You don't need AI for that... game cheats have been there since the beginning.
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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