Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: hobi

Search: Search took 0.00 seconds.

  1. Replies
    4
    Views
    349

    Hmm that should work. Pll5 routed to the SAI...

    Hmm that should work. Pll5 routed to the SAI clocks, and basically discarding any i2s related code after clock setup. Thank you - will give a try!
  2. Replies
    4
    Views
    349

    Routing pll5 to an output pin on teensy 4.1

    Hi all,
    I read with great attention the vga code using flexio 1/2 and dma to have a functional 8 bit vga using teensy 4.1. I try to build a tft interface for a buffer less contrôler. I need pixel...
  3. Replies
    170
    Views
    21,789

    Hi ! Thanks for the replies! Indeed pixclk...

    Hi !
    Thanks for the replies!

    Indeed pixclk needs to be generated. Looking at the code I need to route pll5 to an output pin. I think that is it.
    Timings are probably not as critical with my...
  4. Replies
    170
    Views
    21,789

    Hi there! Big thanks to jean marc and others for...

    Hi there! Big thanks to jean marc and others for this contribution.
    I have to drive a tft lcd with no frame buffer. Timings are not as strict as vga.

    Resolution is 480x 480. 8bpp is fine as I...
  5. Replies
    21
    Views
    2,837

    @miciwan This is a real great work you did...

    @miciwan
    This is a real great work you did there. Thank you for that. I actually really mean it as I am part of NXP, but in Sales.

    I also do tech stuff for myself. I intend to do a 16bit, or 18...
  6. Thread: Future Teensies!

    by hobi
    Replies
    36
    Views
    5,391

    The last thing a developer wants to do is to...

    The last thing a developer wants to do is to debug the tools... I read that the proposed SW solution works, but not very stable on 3.X versions, and not so clear about robustness using 4.x either. A...
  7. Thread: Future Teensies!

    by hobi
    Replies
    36
    Views
    5,391

    Hi there! I would definitely vote for REAL...

    Hi there!

    I would definitely vote for REAL debug capabilities, now that we have super powerful CPUs. Teensy 4.2 with 1062RT and JTAG, or SWD?

    It was really great to have that sort of debug...
  8. Replies
    23
    Views
    4,116

    Hi. I intend to drive a 16 bit LCD 480x480 ...

    Hi.

    I intend to drive a 16 bit LCD 480x480 with an Hsync/Vsync/pixel clock interface, RGB 565, using Flexio 3 on T4.1. Reason why I plan on using Flexio3 rather than the 1 and 2 flexios is I...
  9. Replies
    76
    Views
    32,133

    Well, what you really need is a iron with fine...

    Well, what you really need is a iron with fine tip , of course, but the most important thing is a GOOD flux.
    You almost do not need solder , as most of the time the PSC almost has enough....
  10. @AndyCap thank you for the Vscode tips. ...

    @AndyCap

    thank you for the Vscode tips.

    Looks there needs to be a little bit more "packaging" to get a clean version of this debugging feature. I think this definitely makes the overall system...
  11. Replies
    23
    Views
    4,116

    @Glaskows, this is what you look for I think, but...

    @Glaskows, this is what you look for I think, but in 16 bits :
    https://www.nxp.com/docs/en/application-note/AN5313.pdf
  12. Hi ! Looking at this thread, i find this really...

    Hi !
    Looking at this thread, i find this really excellent.
    Am I making a too quick assumption thinking i can get inline debug capability within Vscode/Platformio, which to my knowledge is based on...
  13. Replies
    23
    Views
    4,116

    This app note might help... ...

    This app note might help...
    https://www.nxp.com/docs/en/application-note/AN5280.pdf
  14. Replies
    23
    Views
    4,116

    Hmmm really interesting. Let’s see what we can...

    Hmmm really interesting. Let’s see what we can get out of flexio...
  15. Replies
    23
    Views
    4,116

    Hi there. The whole purpose of the tft interface...

    Hi there. The whole purpose of the tft interface is to be able to cope with slightly larger tft than 320x480. Sizes like that or smaller have built in frame buffer and the writing speed through even...
  16. Replies
    23
    Views
    4,116

    Hi. Quick question: When you say: Sadly, the...

    Hi. Quick question:
    When you say: Sadly, the parallel lcd data bus run through the GPIO B0_xx and B1_xx (for wider buses) > do you mean that there is no way to use the built in lcd contrôler due to...
  17. Ok, seems indeed that some checks are needed. I...

    Ok, seems indeed that some checks are needed. I will test with 3 async clocks, and will check for errors. Underclocking may not be the best thing. Let's see and thanks for the warning.
  18. Yep this is indeed what I understood! Thanks for...

    Yep this is indeed what I understood! Thanks for the confirmation. I can also undeclock the cpu... not sure though that this will lower the 60mhz clock...
  19. Hi Paul, Thank you for giving me a so fast...

    Hi Paul,
    Thank you for giving me a so fast answer.
    IJust to be clear, this would mean that I will get a time measure accurate @ 1clk cycle at 60Mhz... which is really more precision than what I...
  20. FreqMeasureMulti on Teensy 3.6 : precision over a few minutes?

    Good Morning,

    I would like to use a Teensy 3.2 or 3.6 to perform timings measurement of 3 digital signals.
    Those signals are expected to be digital pulses with a frequency of 1.5Khz up to 6Khz,...
  21. Replies
    516
    Views
    423,818

    Hi folks, Just wanted to be sure the simple...

    Hi folks,

    Just wanted to be sure the simple code i wrote does what it intends to do. Simple single ended ADC acquisition at 6000Hz, precisely timed, for signal processing.

    Thank you for your...
  22. Replies
    516
    Views
    423,818

    OOOps, you are right, I got confused with the...

    OOOps, you are right,

    I got confused with the naming. These are DMA interrupts, not ADC ones! Ok, very clear. Thanks for the reply!

    Olivier.
  23. Replies
    516
    Views
    423,818

    KurtE, I will have a look, but I think it will...

    KurtE,

    I will have a look, but I think it will help.

    I have one basic question. For me the dma should work fully in the background without any cpu need. Do we really need to have an adc isr ??...
  24. Replies
    516
    Views
    423,818

    Hello , I am looking to use Teensy 3.2 with...

    Hello ,

    I am looking to use Teensy 3.2 with the ADC to acquire data, to then run some signal processing. I read the thread, and trid to find relevant information with the search engine, but I...
Results 1 to 24 of 24