Recent Content by sgygax

  1. sgygax
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    How can I use tone() instruction on UDOO

    Dear all tone() is not supported. If I compile a Sketch with tone() I get error message: - error: 'tone' was not declared in the scope There is...
    Post by: sgygax, Nov 6, 2017 in forum: Arduino IDE
  2. sgygax
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    M4 gpio jitter

    But less often jitter... Also when I stop xserver I have less often jitter...
    Post by: sgygax, Oct 26, 2016 in forum: UDOO NEO
  3. sgygax
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    M4 gpio jitter

    When I Shutdown Linux it's still the same output jitter...
    Post by: sgygax, Oct 26, 2016 in forum: UDOO NEO
  4. sgygax
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    M4 gpio jitter

    Andrea, thank you for testing with oscilloscope! Please, do me a favor and change "Persist Time" in the oscilloscope to 30 seconds (or better...
    Post by: sgygax, Oct 26, 2016 in forum: UDOO NEO
  5. sgygax
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    M4 gpio jitter

    When I disable the timer GPT I have no more output jitter! But Linux does not work any more. GPT_CR&=(~(1U<<0)); Any comments on this?
    Post by: sgygax, Oct 8, 2016 in forum: UDOO NEO
  6. sgygax
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    M4 gpio jitter

    It's now running from I-TCM and still the same...
    Post by: sgygax, Oct 8, 2016 in forum: UDOO NEO
  7. sgygax
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    M4 how to use TCM ram

    Thank you!
    Post by: sgygax, Oct 8, 2016 in forum: UDOO NEO
  8. sgygax
    Thread

    M4 how to use TCM ram

    Hi Is there a way to use tcm ram from a sketch? Thank you for helping me!
    Thread by: sgygax, Oct 7, 2016, 2 replies, in forum: UDOO NEO
  9. sgygax
    Post

    M4 gpio jitter

    See the sketch with IOMUX configuration: #include <mqx.h> void setup() { // iomuxc #define GPIO4_SPEED (3U<<6) /* 0..3 = 50mhz, 100mhz,...
    Post by: sgygax, Oct 5, 2016 in forum: UDOO NEO
  10. sgygax
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    M4 gpio jitter

    Thank you, I've already tried this. It's still the same.
    Post by: sgygax, Oct 5, 2016 in forum: UDOO NEO
  11. sgygax
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    M4 gpio jitter

    Thank you! Good idea, is it possibel to do that in a sketch?
    Post by: sgygax, Oct 4, 2016 in forum: UDOO NEO
  12. sgygax
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    M4 gpio jitter

    If we solve this "udoo neo" comes par with Beaglebone concerning Realtime...
    Post by: sgygax, Oct 4, 2016 in forum: UDOO NEO
  13. sgygax
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    M4 gpio jitter

    Thank you for the code... My delay() can be unstable, I don't care about that. What I'm pointig out is the time between _int_disbale() and...
    Post by: sgygax, Oct 4, 2016 in forum: UDOO NEO
  14. sgygax
    Post

    M4 gpio jitter

    I disable interrupt to do my output for a defined time...
    Post by: sgygax, Oct 4, 2016 in forum: UDOO NEO