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  1. Replies
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    @defragster sounds like you are having some fun...

    @defragster sounds like you are having some fun with the different dongles...

    Now that we have some of the Bluetooth updates pulled in, I thought I would logically rebase the code that was in the...
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    Yep - if there is a line defined like: #define...

    Yep - if there is a line defined like:

    #define printf Serial.printf

    and later you yourself do something like: Serial.printf("a");

    And assuming simple case where it does not rescan, the line...
  3. @defragster and all, I pushed up an updated...

    @defragster and all,

    I pushed up an updated version of the not very robust imxrt_size code (https://github.com/KurtE/imxrt-size)

    That put a little bailing wire on the not overly robust...
  4. You might take a look at Chapter 55 of the T4...

    You might take a look at Chapter 55 of the T4 (IMXRT reference manual). Which if you have not already done so you can download from: https://www.pjrc.com/teensy/datasheets.html

    There is an encoder...
  5. Thread: Teensy MicroMod

    by KurtE
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    That would be my guess, but again this is a beta...

    That would be my guess, but again this is a beta build for a non-announced maybe will be released product which may or may not be final....

    The only other thing we know is looking at what the...
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    Yep that was sort of what I saw earlier on, which...

    Yep that was sort of what I saw earlier on, which is why at the time I punted on it at the time...

    But I did like the transfer16(buf, retbuf, cnt) like functions.

    as one could write pretty...
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    I will try to take a look through some of the...

    I will try to take a look through some of the code for the fun of it.

    Some of the more recent changes were sort of a hack to get around some interesting features of the TCR register.

    That...
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    Note: On T3.x code we have stuff that when you...

    Note: On T3.x code we have stuff that when you call transfer with buffers, we try packing the data into words and unpack as we push the stuff onto the FIFO and pull it off ... Don't think we ever did...
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    I am guessing byte ordering. For example...

    I am guessing byte ordering.

    For example earlier when I had transfer16 with buffers, I could use it do an easy faster display driver for 16 bit colors, which worked great and did not work...
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    Paul I commented in the PR, that I also wanted to...

    Paul I commented in the PR, that I also wanted to add these (16 bit versions) earlier and we removed it from the PR, back then. And as I commented on this PR, if we do add the 16 bit extensions we...
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    Also if that does not help, then please post more...

    Also if that does not help, then please post more information. Like source code, links to libraries used, what build system you are using (Arduino? which version) ...

    Obviously if your code or...
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    @luni - Thanks, Yep I think I will too stick with...

    @luni - Thanks, Yep I think I will too stick with the easy way... With the more typing version wonder if one an do things like:
    printf("Var: %08xl", my_var);

    Would it be something like:...
  13. That would be great. Today I hacked up my...

    That would be great.

    Today I hacked up my other version using GPIO input. Still having issues with continuous DMA

    But I do have a continuous output version using ILI9341 display using some...
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    Sorry I am old dog who has not learned the new...

    Sorry I am old dog who has not learned the new trick yet ;)

    What does that mean? Yes I can and will google it,
    but does this print Hex or Decimal? Not terribly clear. Or maybe an example...
  15. Sorry I may be confused here? But the OSC clock...

    Sorry I may be confused here? But the OSC clock Is the the one that we default to using (24mhz), which is set by the setting that @manitou mentioned about turning off in order to go to 150mhz.
    ...
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    Morning all, Installed Windows 10, and built...

    Morning all,

    Installed Windows 10, and built T4.1 code ;)

    Side notes: But with simple Camera test sketch I am now working through the new warnings for Serial.printf(...)

    Fixed the first...
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    Sorry, I may not be much help here, but earlier I...

    Sorry, I may not be much help here, but earlier I did solder on cable connectors and the like on T4 and my own board and sometimes my soldering skills failed and I ended up with a short between a...
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    as for the new HALF_DUPLEX, hopefully Paul will...

    as for the new HALF_DUPLEX, hopefully Paul will pull it in for the next beta...

    Best way to setup to do half duplex to control AX12 servos. I have been doing it several different ways... Which...
  19. Thread: Teensy MicroMod

    by KurtE
    Replies
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    555

    Again if I am looking at the pin data correctly ...

    Again if I am looking at the pin data correctly
    40 2-04 are pins B0_04
    41 2-05 B0_05
    42 2-06 B0_06
    43 2-07B0_07
    44 2-08B0_09
    45 2-09 B0_09

    So that would probably imply we would have...
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    Thanks Paul, Wondering about comments in...

    Thanks Paul,

    Wondering about comments in startup.c

    // TODO: zero uninitialized EXTMEM variables
    // TODO: copy from flash to initialize EXTMEM variables
    // TODO: set up for...
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    No, the original ILI9341_t3 was done by Paul...

    No, the original ILI9341_t3 was done by Paul again starting off with Adafruit library as more or less the starting point. Several of us did some fixes and enhancements to this library.

    The...
  22. Thread: Teensy MicroMod

    by KurtE
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    555

    Looking at the GPIO pins defined in core_pins.h ...

    Looking at the GPIO pins defined in core_pins.h
    I believe pins: 0-33 match T4.1, 34-39 SDIO
    and pins 40-45 look like something different
    Pin Port-Pin
    34 3-15 SDIO? Note I converted GPIO6...
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    Glad you have it resolved. My guess is some...

    Glad you have it resolved. My guess is some displays are either not setup to return this data maybe thinking most people don't read... Or I know with some display chips they don't properly handle...
  24. Thread: Support

    by KurtE
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    Sorry I am not sure, what is going on, but my...

    Sorry I am not sure, what is going on, but my first guess would be to check any soldering, since digital pin 12 is next to a 3.3v pin, so if there is some stray solder between these two pins, then...
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    I have continued to play with the update and so...

    I have continued to play with the update and so far I think this takes care of it...

    Note: Maybe for next (after this fix) wish we had something like this in the imxrt1062_t41.ld file:
    ...
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    Good morning Paul, I tried blink with T4.1 and...

    Good morning Paul,

    I tried blink with T4.1 and as well my camera sketch run from sublimetext build and both compiled and programmed two differnt T4.1s
  27. Thread: Support

    by KurtE
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    Also might help if you mentioned a few additional...

    Also might help if you mentioned a few additional things like, did you order it direct from PJRC or from a retailer? Which Teensy?
    If it is one of the older ones like a Teensy 2 and it was...
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    Yep - it was a quick and dirty (originally from...

    Yep - it was a quick and dirty (originally from Frank :D ), that I have played with and find useful. I probably should cleaned up some. Especially how it depends on exact strings...
    Also maybe...
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    Sorry, not sure what you are asking? SPI to...

    Sorry, not sure what you are asking?

    SPI to connect to what? At least for experimenting, I will often start off with my Teensy plugged into a breadboard, and then use some form of breadboard wires...
  30. Again assuming that you are using AD_B1_03 As...

    Again assuming that you are using AD_B1_03 As your example:
    You will need to set it to mode 8... which you have the line commented out. Sometimes I might cheat a little like:

    pinMode(40,...
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    I did some hacking and my T4.1 programs now......

    I did some hacking and my T4.1 programs now... More or less reverted some of it...

    my imxrt1062_t41.ld right now looks like:

    MEMORY
    {
    ITCM (rwx): ORIGIN = 0x00000000, LENGTH = 512K
    DTCM...
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    I am trying to look at the differences in the...

    I am trying to look at the differences in the code between the two releases and wondering about why the .vectors was removed in both the .ld files as well as bootdata.c

    What I am curious about, is...
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    Well I had my code print out what it had for...

    Well I had my code print out what it had for estack and ebss and it prints:
    estack:0 ebss:2002c2c0

    But that is also true for T4 now as well... So next up to see why?

    Figured out the tool...
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    Side Note: I ran into issues yesterday or the day...

    Side Note: I ran into issues yesterday or the day before where my builds were not working before this release, but that was because I had my Cores project directory linked into the Teensyduino...
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    Paul quick update, Tried also on Ubuntu 20.04...

    Paul quick update,

    Tried also on Ubuntu 20.04 64 bit,

    Again tried T4.1 with blink (slightly edited 1000->250 as to see difference in blink. Again it programmed a T4.1 (dual PSRAM), After I...
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    Good Morning Paul, I installed the beta...

    Good Morning Paul,

    I installed the beta Windows 10 64 bit on a clean install of Arduino 1.8.13 (renamed old, and unzipped the arduino zip file...) I installed the beta....

    Then first attempt, I...
  37. Mine does, in the exact section that Paul...

    Mine does, in the exact section that Paul mentioned: 13.3.2.1 (Page 986)
  38. Sorry I am not really sure what you are asking...

    Sorry I am not really sure what you are asking and what information you are trying to understand.


    Note: I have not done much of anything with the SYSTICK code other than use results so not much...
  39. From the comment, because it made it work... ...

    From the comment, because it made it work...

    Probably trial and error. MarkT's answer if probably a good guess.
  40. I am guessing it is still based off of the stuff...

    I am guessing it is still based off of the stuff up on: https://github.com/braingram/teensy_tcm8230md

    Where I believe he has some of the pins defined as:

    // CSI_MCLK AD_B1_05
    #define ECLK_PIN...
  41. If you get a chance, would you mind posting more...

    If you get a chance, would you mind posting more of the code that shows your current setup,

    I have made some progress with the DMA code, but so far having it work cleanly is sort of a pain. So...
  42. You are welcome. Glad it is working. If you...

    You are welcome. Glad it is working.

    If you get a chance, you might try sending message or the like to aliexpress telling them this, such that hopefully they will update their listings.
  43. I am pretty sure they have wrong information on...

    I am pretty sure they have wrong information on those links... If you look at the one I included and look at the pictures, you will see the one that shows the back of one matches the one you have. ...
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    Maybe somewhere on this thread: But from the...

    Maybe somewhere on this thread: But from the thread: https://forum.pjrc.com/threads/63958-Schematic-error-in-T4-0-or-T4-1-on-SD-pins

    The SDIO pins on the schematic have the signal names reversed...
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    Yep looks like a Bug on the schematic label of...

    Yep looks like a Bug on the schematic label of pins 38 and 39 on T4.
  46. I doubt that it is an ILI9341 as they typically...

    I doubt that it is an ILI9341 as they typically have a resolution of 320x240.

    Might help to have links to the ones you purchased. There are several different displays in the size with different...
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    You are welcome. Question is what AtoD...

    You are welcome. Question is what AtoD converter? Don't a lot of them use SPI or I2C to communicate? If so their communications using DMA will likely be different than this work. Probably closer...
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    My DMA camera stuff is up at:...

    My DMA camera stuff is up at: https://github.com/KurtE/Arduino_OV767X/commits/Teensy_t4
    Note: It is a PIP (Play In Progress) As I am just doing it for the fun of it.

    The DMA version up there...
  49. I could be wrong, but I don't think this will...

    I could be wrong, but I don't think this will work. The Ubuntu window is a command line orientated setup, and I don't believe it has any graphical setup built in.

    Not sure how well it would...
  50. You are welcome, Note when I did the...

    You are welcome,

    Note when I did the USBSerial_BigBuffer (still waiting on PR), I added an extra parameter to the constructor, to limit it to minimum size USB RX/TX the instance should claim......
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