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

Search:

Type: Posts; User: Frank B

Page 1 of 10 1 2 3 4

Search: Search took 0.05 seconds.

  1. Replies
    14
    Views
    205

    Yup, the working program looks like this: ...

    Yup,

    the working program looks like this:


    // For Loop test lighting the LED
    const int ledPin = 13;
    int x;

    void setup() {
  2. Haha...shipping ...

    Haha...shipping US $557.11
    Ebay sucks.. they should stop that.
  3. Replies
    14
    Views
    205

    LOL, of course, the Teensy is the problem... ...

    LOL, of course, the Teensy is the problem...

    Nope :)

    Think twice: why is x a constant in your program?
    Then, a bracket "}" is on the wrong position.

    (No worry, just yesterday I did not...
  4. Replies
    7
    Views
    161

    I measured mine (cheap but good) - it uses 0.13V...

    I measured mine (cheap but good) - it uses 0.13V
    In "diode measure" mode it uses 3.8V

    Note, the i.mx.rt uses much less than 3.3V internally. I *think* absolute max is 1.6V (only when overclocking)
  5. Replies
    18
    Views
    269

    Well, your program compiles fine for other users....

    Well, your program compiles fine for other users.

    Nope.
  6. Replies
    31
    Views
    824

    Quite possible. I saw now that the ADC uses a...

    Quite possible.

    I saw now that the ADC uses a timer that is connected to the Core-Clock:


    const int comp1 = ((float)F_BUS_ACTUAL) / (AUDIO_SAMPLE_RATE_EXACT * 4.0f) / 2.0f + 0.5f;

    So, this...
  7. Do'nt you want to add it here...

    Do'nt you want to add it here, too?
  8. Replies
    17
    Views
    351

    I wouldn't like links to Adafruit, Alieexpress...

    I wouldn't like links to Adafruit, Alieexpress etc. We don't have to do the marketing for big companies.
    But having links to user-contributed things and Tindie is OK for me.

    To make it clear: I...
  9. Thread: DMA to PLL?

    by Frank B
    Replies
    6
    Views
    98

    LOL Your're right, of course. That comes from...

    LOL

    Your're right, of course.
    That comes from too much editing...

    THANK YOU

    I stop editing code for today.
  10. Thread: DMA to PLL?

    by Frank B
    Replies
    6
    Views
    98

    I added the error checking to the sourcecode in...

    I added the error checking to the sourcecode in post#3,
    It does not show an error.
  11. Thread: DMA to PLL?

    by Frank B
    Replies
    6
    Views
    98

    @Paul, that was an fast answer :) I'll check for...

    @Paul, that was an fast answer :) I'll check for errors.
  12. Thread: DMA to PLL?

    by Frank B
    Replies
    6
    Views
    98

    yes, always post complete code: #include...

    yes, always post complete code:


    #include <DMAChannel.h>

    #define SAMPLES 128
    __attribute__((aligned(32))) static uint32_t fm_tx_buffer[SAMPLES];

    DMAChannel dma(false);
    volatile uint32_t...
  13. Thread: DMA to PLL?

    by Frank B
    Replies
    6
    Views
    98

    DMA to PLL?

    Hi,

    i can't get DMA to PLL working.. the destination is CCM_ANALOG_PLL_VIDEO_NUM (0x400D80B0)
    Is there any special reason that prevents DMA-writes (uint32_t) to this address ?

    (i need this...
  14. Replies
    99
    Views
    2,623

    Do you find it disappointing too, that several...

    Do you find it disappointing too, that several manufacturers of cars, washing-machines, and tv-sets exist?

    No, it's good. Without competition, there is no progress.
    Arduino stands still for too...
  15. Best is to buy a good Logic Analyzer.

    Best is to buy a good Logic Analyzer.
  16. Replies
    16
    Views
    219

    Yes. Un-install that. Download the Windows...

    Yes.
    Un-install that.
    Download the Windows 1.8.13 version (zip-file), install it (best is, to an new folder "c:\Arduino"), then Teensyduino.
  17. Replies
    16
    Views
    219

    There is no version 18.3 :) Just do what Paul...

    There is no version 18.3 :)
    Just do what Paul said. Download 1.8.13 from the Arduino website. No need to check any version files etc.
    That makes all unnessary complicated. Don't try to find the...
  18. Replies
    99
    Views
    2,623

    I just say, if you don't do it now, a) others...

    I just say, if you don't do it now,

    a) others will be faster
    b) the longer you wait, the harder will it be - the api will grow.
    Then,
    c) its a selling point
    d) its worth the risk :)
  19. Replies
    31
    Views
    824

    Yes, it prints a message, and switches off after...

    Yes, it prints a message, and switches off after that :)
  20. Replies
    31
    Views
    824

    It switches off, i think that's the best to...

    It switches off, i think that's the best to prevent further heating.
    Nobody knows wether it crashes again, so.. just switch off.
  21. Replies
    99
    Views
    2,623

    That's not the point. The Raspberry is old...

    That's not the point.

    The Raspberry is old tech, too. And the first Raspi was old tech, too.
    They sold 40 or 50 million.
  22. Replies
    31
    Views
    824

    Yup, and of course it's possible that the CPU...

    Yup, and of course it's possible that the CPU gets unstable at some point.
    That's why it's called OVERclocking.. NXP says more than 600MHz is too much. You don't pack 3tons on the backseat of your...
  23. Replies
    18
    Views
    269

    Which problem with the IDE? It should work out...

    Which problem with the IDE?
    It should work out of the box. Own builds will not work with Teensyduino - it checks the version, on install.
    There are no problems.

    Something is wrong with your...
  24. Replies
    31
    Views
    824

    If the processing triggers it, the processing is...

    If the processing triggers it, the processing is the reason.. i.e. a bug in you program? SOme kind of timing problem, perhaps with interrupts.
    "pass trough" involves some processing, too. the audio...
  25. Replies
    31
    Views
    824

    If you guys tell me what chrashes (with a short...

    If you guys tell me what chrashes (with a short example program) I'll look.. at the moment i think a crash of SPI is unlikely, too..
    I remember it uses an other PLL. This thingy has seven of them...
  26. Replies
    31
    Views
    824

    Ok, I tried this: #include ...

    Ok, I tried this:


    #include <Audio.h>
    AudioInputI2S i2s1; //xy=115,136
    AudioOutputSPDIF3 spdif3_1; //xy=369,136
    AudioConnection patchCord1(i2s1, 0,...
  27. Replies
    186
    Views
    10,840

    Hi Paul do you have some time next week to...

    Hi Paul

    do you have some time next week to merge some PRs?
  28. Replies
    31
    Views
    824

    If it locks up, it might be a bus hardfault. Can...

    If it locks up, it might be a bus hardfault.
    Can you post a short program that locks up?
    My private core version shows such things.
  29. Replies
    31
    Views
    824

    Which SPDIF output do you use?

    Which SPDIF output do you use?
  30. Replies
    31
    Views
    592

    I still think BASIC is ideal for beginners. And...

    I still think BASIC is ideal for beginners.
    And I don't like Python.

    But if I had to choose between nothing or Python, I'd choose Python..
  31. Replies
    31
    Views
    824

    Sounds reasonable. The bus clock changes.

    Sounds reasonable. The bus clock changes.
  32. Replies
    5
    Views
    112

    No, thank YOU for posting it.

    No, thank YOU for posting it.
  33. Replies
    5
    Views
    112

    I think so, too....

    I think so, too.
    https://github.com/PaulStoffregen/Audio/pull/378/commits/dc9b15b5d8625d3b08327b744c185ae968f969ef
  34. Replies
    31
    Views
    824

    Audio uses its own PLL.. hm. interesting......

    Audio uses its own PLL.. hm. interesting... wonder what the reason for the glitches is.
  35. Replies
    99
    Views
    2,623

    Maybe you don't need to overclock it all the...

    Maybe you don't need to overclock it all the time? You can adjust the speed at runtime.
    Sorry, wrong thread here.
  36. Replies
    16
    Views
    278

    @ bvernham...

    @ bvernham your Screenshot shows you are compiling for a Arduino Due? That's *NOT* a Teensy.
  37. Replies
    99
    Views
    2,623

    You can try to overclock the T4 - with a good...

    You can try to overclock the T4 - with a good cooling, it can do more than 600MHZ - but at some point it will become unstable.
  38. Replies
    31
    Views
    824

    extern "C" uint32_t set_arm_clock(uint32_t...

    extern "C" uint32_t set_arm_clock(uint32_t frequency);

    void setup() {
    [...]
    set_arm_clock( 912000000 );
    [...]
    }


    ...you will notice, it shuts down due to "Temperature panic" after a some...
  39. Replies
    99
    Views
    2,623

    Interesting. How large are these buffers, and how...

    Interesting. How large are these buffers, and how many?
  40. Replies
    5
    Views
    112

    The question is, how to fix that. Fix the...

    The question is, how to fix that.
    Fix the documentation only?
    +fix the names in the sourcecode, but with the current behaviour?

    Or fix the bug - that would mean to break old things.
  41. Replies
    99
    Views
    2,623

    I'm not sure where this GPIO comes from.. its...

    I'm not sure where this GPIO comes from.. its noted as a feature of the PIO statemachine. No mention of GPIO.
    I don't know if that counts as software, and it says nothing about jitter. But I know...
  42. Replies
    7
    Views
    161

    At least, Amazon makes it easy to return parts...

    At least, Amazon makes it easy to return parts...
  43. Replies
    7
    Views
    161

    I've tested your sketch.. can't confirm this. ...

    I've tested your sketch.. can't confirm this.

    Not good.


    Your ohmmeter.. which voltage does it use for measuring Ohm?
  44. Replies
    99
    Views
    2,623

    ..and here is audio:...

    ..and here is audio:
    https://github.com/raspberrypi/pico-extras
  45. Replies
    99
    Views
    2,623

    ..with "TeensyPie" ;) Here is the bootrom:...

    ..with "TeensyPie" ;)

    Here is the bootrom: https://github.com/raspberrypi/pico-bootrom

    They have an impressive list of examples already: https://github.com/raspberrypi/pico-examples
  46. Replies
    99
    Views
    2,623

    I ordered two, to see the SWD and other things.

    I ordered two, to see the SWD and other things.
  47. Replies
    99
    Views
    2,623

    I see no encyption, too, but that does not mean...

    I see no encyption, too, but that does not mean that they can't add it in a future revision.
    And maybe there are MCUs with encryption in the pipeline (or already available?), for industrial use....
  48. Replies
    99
    Views
    2,623

    "3 PIN I2S" means no MCLK, and data in one...

    "3 PIN I2S" means no MCLK, and data in one direction..i guess.
  49. Replies
    99
    Views
    2,623

    If their marketing will be as good as for Respber...

    If their marketing will be as good as for Respber Pi #1,
    it will not just be a SAMD killer, it probably will be a Arduino killer.. the pushiment for standstill.
    The API looks very good and easy...
  50. Replies
    99
    Views
    2,623

    Yup, was about to write the same :) The PIO is...

    Yup, was about to write the same :)
    The PIO is quite interesting.
    But at the end of the day it's just a replacement for real devices - and there are only two PIOs.
Results 1 to 50 of 500
Page 1 of 10 1 2 3 4