DT Instant Interrupts

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  1. - 11th February 2008, 06:25 #1
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    krohtech
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    Thanks again Darrel,

    I just fully tested the SPWM_INT running 16 channels @ 100Hz 0-100 resolution. I tested each channel with a 7 amp led cluster (Agilight Brightstrip see below) of typical sign led strips powered through a MOSFET. This worked great. I am able to dim all the way down to 1% without any flicker and smoothly fade up to 100% with no flicker or noticeable stair stepping effect. This is smoother than when I used the older multi SPWM program.

    I really appreciate you help

    http://www.agilight.com/brightstrip/index.htm
    Best Regards,

    Kurt A. Kroh
    KrohTech

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  2. - 11th February 2008, 09:07 #2
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    Great Testimonial Kurt!

    Mind if I use it on my website?
    <br>
    DT
  3. - 11th February 2008, 18:37 #3
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    Quote Originally Posted by Darrel Taylor View Post
    Great Testimonial Kurt!

    Mind if I use it on my website?
    <br>
    Darrel,

    Feel free to use my testimonial in any way you see fit.
    Best Regards,

    Kurt A. Kroh
    KrohTech

    “Goodbye and thanks for all the fish”
  4. - 11th February 2008, 21:21 #4
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    Thanks Kurt!

    Ioannis,

    I've mentioned it a couple times here in the forum, but I just spent about an hour trying to find them, and failed.

    I really should write some more pages for the website.

    Anyone got a Cloning Machine? I need another Me.
    DT
  5. - 13th February 2008, 23:14 #5
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    Hay Darrel,

    In the DT_INTS-14 (SPWM_INT - Multiple Software PWM) It says:

    Code:
    DutyVars   VAR BYTE[3]              ; DutyCycle Variables
  DutyVar1 VAR DutyVars[0]          ; group them in an array for easy access
  DutyVar2 VAR DutyVars[1]          ; with FOR loops etc.
  DutyVar3 VAR DutyVars[2]
    I do not know how to use arrays or how it can benefit in loops. The way I am doing it now is very cumbersome and code intensive. I have searched the forum and RTFM but I can't get my head around how this concept. Can anyone point me in the correct direction.
    Best Regards,

    Kurt A. Kroh
    KrohTech

    “Goodbye and thanks for all the fish”
  6. - 13th February 2008, 23:23 #6
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    Default Simple example ...

    If you wanted to set all LED's to the same brightness, you could ...
    Code:
    LoopCount  VAR BYTE

FOR LoopCount = 0 to 15         ; 16 channels
    DutyVars(LoopCount) = 50    ; 50% (0-100)
NEXT LoopCount
    <br>
    DT
  7. - 13th February 2008, 23:50 #7
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    Quote Originally Posted by Darrel Taylor View Post
    If you wanted to set all LED's to the same brightness, you could ...
    Code:
    LoopCount  VAR BYTE

FOR LoopCount = 0 to 15         ; 16 channels
    DutyVars(LoopCount) = 50    ; 50% (0-100)
NEXT LoopCount
    <br>
    Hi Darrel,
    could you please explain DutyVars(LoopCount) = 50 ; 50% (0-100), I understand the counter loop but do not understand the operation here. Thank You
    JS
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