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  1. Replies
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    Thanks guys, that's a relief. I never realized...

    Thanks guys, that's a relief.

    I never realized that any pin would work, that would have made some of my 3.2 efforts much easier. I was doing as your link describes with buffers ect. with great...
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    Teensy 4.0 SPI Chip Select pins

    I don't understand how the CS pins work on the T4. On T3 there was one SPI bus but many CS pins to choose from for each peripheral.

    On T4 there are three SPI buses but only one CS pin for each.
    ...
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    Noticing others comments, I found its not how...

    Noticing others comments, I found its not how long you let the window or app sit running, it's how many times you let the monitor window overflow, close it, recompile, reload, overflow. In fact I...
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    :confused: Model Name: iMac Model...

    :confused:

    Model Name: iMac
    Model Identifier: iMac14,2
    Processor Name: Intel Core i5
    Processor Speed: 3.2 GHz
    Number of Processors: 1
    Total Number of Cores: 4
    L2 Cache (per...
  5. DD4WH Got your 2019_03_17 Convolution code to...

    DD4WH

    Got your 2019_03_17 Convolution code to compile on T4 by just eliminating this code:


    #ifndef __IMXRT1062__ //mdrT4_20190820 had to define out this to compile for Teensy 4
    for...
  6. I think the order is the first one it finds...

    I think the order is the first one it finds starting with:
    Your sketch folder, you can put library .h and .c here to make sure they are the ones used.
    Sketchbook/Library/
    if not found then
    Teensy...
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    There may be some confusion about mounting a...

    There may be some confusion about mounting a microSD card holder directly on the Teensy 4 board as in the 3.5 and 3.6. The board pad pitch is 1.0 mm. MicroSD cards and their connectors are 1.1 mm...
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    Sticky: Seems funny it can recover once or twice, maybe...

    Seems funny it can recover once or twice, maybe just luck on what got clobbered. Probably good to save work and better to restart when this happens?

    Forgot to thank you and all the other...
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    Sticky: DejaVu all over again

    I know this is a stupid operator issue.. but I seem to experience it a lot;)

    MacOS 10.14.6 Arduino 1.8.9, Teensy Loader 1.47, Teensy 4, Teensy Ports/...serial(Teensy 4.0")

    Causes Arduino to...
  10. 1. I don't believe numbering the pins on the...

    1. I don't believe numbering the pins on the schematic symbol with yet another meaningless number is useful. This might be different if Teensy had numbered the cheat cards like this but they don't....
  11. Kicad is even more awesome than the Teensy (3.2)...

    Kicad is even more awesome than the Teensy (3.2)

    Example:
    17205
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    Question When updating from 1.47-Beta n to...

    Question
    When updating from 1.47-Beta n to 1.47-Beta n+1 should I apply over the exiting Arduino or a un-altered fresh copy?
  13. I think Arduino 1.8.8 helps that issue. 1.8.9...

    I think Arduino 1.8.8 helps that issue. 1.8.9 runs fine for me on 10.14.6
  14. Replies
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    Yes, same as you except on MacOS Mojave 110.14.6....

    Yes, same as you except on MacOS Mojave 110.14.6. All my ILI9341_t3 programs compile and run correctly with beta6 on T3.2, 3.5, 3.6 and none of them compile for T4.

    thanks for the help
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    Sorry, I messed up, must be the Alzheimers. ...

    Sorry, I messed up, must be the Alzheimers. Could have sworn it compiled for 4.0, so of course all my ILI9341_t3 programs don't compile now. To bad can't edit my earlier post.
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    @mjs513 Here's a snippet that shows the...

    @mjs513


    Here's a snippet that shows the error:


    #define theLCD Serial1

    void setup() {
    // put your setup code here, to run once:
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    @ defragster Not sure what your after but...

    @ defragster



    Not sure what your after but no I don't think a local WIP(work in progress?) ILI9341_t3 is used. Below shows the libraries used for T3.5. The touchscreen works fine.

    Also, I...
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    I can confirm that RSL_VNA, and a bunch of...

    I can confirm that RSL_VNA, and a bunch of ILI9341_t3.h based programs run on T3.5 (touchpoint, graphicstest, demosauce ...) and compile on 4.0
    Teensy_Convolution_SDR didn't compile on T3.6 or t4...
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    @wwatson Same issue with TimeLib.h on Teensy...

    @wwatson


    Same issue with TimeLib.h on Teensy 3.2 and Teensy 4 with 1.47-beta5. Worked on 1.46

    thanks
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    Wow, I really don't understand that callout or...

    Wow, I really don't understand that callout or the array of strings method on the Arduino PROGMEM help page, but it compiles and seems to work. I'll investigate further, thanks!
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    What is a 'section type conflict' that shows up with 1.47-beta5 only on T4

    PROGMEM const int mphTable[] = {
    0,100,90,80,75,60,
    4,1,1,1,1,1,
    5,1,1,1,1,1,
    6,1,1,1,1,1,
    7,1,1,1,1,3,
    8,1,1,2,2,5,
    9,1,1,3,4,7,
    10,1,2,4,5,9,
    11,2,4,5,7,9,
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    Was your part from early kick-starter? Might be...

    Was your part from early kick-starter? Might be solder joints. You might try a hot air gun as in this thread:

    https://forum.pjrc.com/threads/40638-Teensy-3-6-program-loader-and-I-O-glitches
    ...
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    Received two Teensy 4s on the 10th, USPS.. great...

    Received two Teensy 4s on the 10th, USPS.. great service! Coincidentally arrived on same day as Pi 4!
    So I'm testing many programs that run on 3.2, 3.5 & 3.6 and finding many little issues with...
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    X1 looks pretty far away from U1. On J2...

    X1 looks pretty far away from U1.
    On J2 connector it would be nice to have separate ground pins for LOUT and ROUT (pins 6 & 10?)
  25. Frank B, I'm no RF guy, so hopefully you'll get...

    Frank B,
    I'm no RF guy, so hopefully you'll get more knowledgable responses.

    Can't explain R1, R18 difference. From data sheet PIN diodes D2... have about .9V across them so ignoring inductors,...
  26. Frank, I'm not the greatest with GitHub either:)...

    Frank,
    I'm not the greatest with GitHub either:) , but I think the procedure is to create a new branch to add somebodies pull request to. That way you don't mess up your current stuff and if you...
  27. Wow, that fixed it. Hard to believe with that...

    Wow, that fixed it. Hard to believe with that large an overrun anything worked !

    I was going to do a pull request but I'll update to your new latest first.

    thanks
  28. Frank DD4WH Having an issue with something...

    Frank DD4WH
    Having an issue with something clobbering a global variable. Isolated it a little. Seems to happen in setup when calling calc_cplx_FIR_coeffs(...)

    Using your latest GitHub:
    after...
  29. Frank DD4WH I should have checked my statement. ...

    Frank DD4WH
    I should have checked my statement. I keep making these bad assumptions on what I'm seeing when debugging. I'll post the code when its cleaned up a little more and I have checked for ...
  30. When defined as: struct config_t{ unsigned...

    When defined as:

    struct config_t{
    unsigned long long calibration_factor;
    long calibration_constant;
    The compiler (mistakenly? )makes members:
    long
    calibration_factor
    calibration_constant
  31. Frank B, Thanks for the code tip. Wasn't sure...

    Frank B,
    Thanks for the code tip. Wasn't sure which one to use so used the _crc_ibutton_update(). Had to put #include <util/crc16.h> to make it work. Should I have copied the function or used it...
  32. Hi Franks, Thinking overnight my perspective is...

    Hi Franks,
    Thinking overnight my perspective is definitely as a first time user. I'm always loading different code into the same Teensy so expecting to have something in eeprom is a problem. ...
  33. Frank, Here's a good way to deal with the...

    Frank,

    Here's a good way to deal with the EEPROM. Main changes:
    1. Only define the structure once as global and put default values in at the definition.
    2. Added 'char...
  34. @grease_lighting Thanks for the input. For some...

    @grease_lighting Thanks for the input.
    For some reason the clock was the most sensitive, perhaps the pairs I chose for the ethernet cable used for this and power or other signals. The CS lines are...
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    On mac 10.14.2, Arduino 1.8.8, runs great, no...

    On mac 10.14.2, Arduino 1.8.8, runs great, no problems, no warnings.

    thanks
  36. How to use Audio Shield SPI and off board SPI

    FYI
    The SPI for the SD-card on the audio board running at 24MHz is intolerant of long signal lines on its bus. On a project using the Teensy 3.2, audio board and an I/O expander MCP23S08 a...
  37. Frank B Just posted the 3D case for the AVNA...

    Frank B

    Just posted the 3D case for the AVNA here.
    https://groups.io/g/AVNA1/topic/3d_printed_case/28882256?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,28882256

    It needs more knobs for...
  38. Frank, Thanks for the info. The QRP labs...

    Frank,
    Thanks for the info. The QRP labs 'Receiver module' looks like the way to go with maybe the OCXO/Si5351A Synth kit.

    I recently built Bob Larkins awesome AVNA and a nice 3D printed case to...
  39. Frank, Looks like an interesting project. FWIW...

    Frank,
    Looks like an interesting project. FWIW I have successfully compiled 2018_03_24 code with Arduino 1.8.7, Teensy Loader 1.44 using https://github.com/DD4WH/Teensy-ConvolutionSDR.

    However,...
  40. Each twisted pair should have a ground. However,...

    Each twisted pair should have a ground. However, managed to get a mcp23s08 SPI IOExpander running over a 6 foot CAT6 cable with only 3 pairs available. Tried multiple ways, best was CLK-GND,...
  41. Nice find, good reading, thanks

    Nice find, good reading, thanks
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    Paul, Installed 1.44 on 1.8.7 on MacOS10.14.1 no...

    Paul,
    Installed 1.44 on 1.8.7 on MacOS10.14.1 no problems.

    Just wanted to thank you and express my amazement at the job you do with these upgrades !

    Seems like a boiling cauldron with...
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    Thought I'd update this. So far the resoldered...

    Thought I'd update this. So far the resoldered board is still working! It hasn't seen many on/off cycles, maybe 200 max.

    Its becoming a SDR radio next so it should see some use.
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    FYI, the example code TimeTeensy3.ino and many...

    FYI, the example code TimeTeensy3.ino and many similar have a small error:


    unsigned long processSyncMessage() {
    unsigned long pctime = 0L;
    const unsigned long DEFAULT_TIME = 1357041600; //...
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    It's a little slower than I remembered. Note the...

    It's a little slower than I remembered. Note the contrast changing by the Gear number after I stop pedaling. Pressing the button includes a 3 second delay for a serial terminal connection not...
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    Peter, As noted in reply #7 above fast screen...

    Peter,
    As noted in reply #7 above fast screen refresh is not a feature but five minutes would be ideal, just refresh the whole screen. Since white to black changes don't mess thing up, you could...
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    iMac macOS 10.13.4, Arduino 1.8.5, T3.6, TL...

    iMac macOS 10.13.4, Arduino 1.8.5, T3.6, TL 1.42-beta4

    no more 64bit macOS nagging Ya!

    No problems so far with lots of Arduino terminal stuff.
  48. Regarding the Arduino IDE and Arduino libraries...

    Regarding the Arduino IDE and Arduino libraries or whatever libraries here's a tip you can thank me for years from now when you need to fix code on some old project.

    When your close to done with a...
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    While this code looks good for the described...

    While this code looks good for the described purpose I'm not sure it works like the typical quadrature decoder should. It looks like it only changes values at one sensor position and not the other. ...
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    duff, Sorry, I had to laugh looking at your...

    duff,
    Sorry, I had to laugh looking at your pictures. Looks like Wack-A-Mole! I know its not funny but sometimes stuff like this can drive you nuts !!
    I've never had that exact problem with the...
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