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  1. Note: I did not add any and so far have not...

    Note: I did not add any and so far have not appeared to run into issues. Maybe I will throw on a QWIIC device to have it's resistors added
  2. Thanks, Actually both sets were in comment...

    Thanks,

    Actually both sets were in comment blocks, but different. The one you used just happened to be the ones I had setup earlier so worked.

    Have not done anything since posting... Changing...
  3. Warning the files show two different hook ups. ...

    Warning the files show two different hook ups. The wrong one in OV7670_MB

    const int PinCamVsync = 34; //
    const int PinCamHref = 16; //
    const int PinCamPpclk = 35; //
    const int...
  4. Thanks, the sketch compiles and I am getting some...

    Thanks, the sketch compiles and I am getting some debug information :D
    Pin numbers matched I think the ones I used.



    OV7670 Camera Test 3 Compiled on Oct 27 2020 10:23:50
    cam clock 12.00...
  5. I hope people don't mind that I always take a few...

    I hope people don't mind that I always take a few diversions ;)

    I prefer not having to code like:

    CSI_CSICR3 = (1 << 15) | // clear the frame counter
    (1 << 12);// Enable...
  6. Yes - But for the most part it is geared toward...

    Yes - But for the most part it is geared toward VGA, QVGA... as shown in table 2-2.

    It sort of eludes toward other scaling. But the part that may be of interest may be the start/stop settings...
  7. Thanks, Will be taking look. Yep I did find...

    Thanks,

    Will be taking look. Yep I did find it does not build but should have all of the pieces to adapt some of the other code to.

    Should be fun! Assuming it works well, may have to make...
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    Sounds good. My guess is that DMA from EXTMEM...

    Sounds good. My guess is that DMA from EXTMEM should also be 32 byte aligned as well? Note: Currently I don't think malloc is 32 byte aligned either.

    Which is why in some of our display drivers...
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    Currently I find out how much PSRAM is installed...

    Currently I find out how much PSRAM is installed with:
    #ifdef ARDUINO_TEENSY41
    extern "C" {
    extern uint8_t external_psram_size;
    }
    #endif
    and now to retrieve how much was allocated by EXTMEM...
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    It is working now on T4.1 For simple Serial. I...

    It is working now on T4.1 For simple Serial.

    I also tried out my USBToSerialMulti sketch - Wonder if we should add something like this to examples:
    Serial -> Serial1
    SerialUSB1 -> Serial2...
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    I am now doing a comparison of the two...

    I am now doing a comparison of the two directories

    It sees these files are different:
    22205
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    I can confirm I see the same thing after sync. ...

    I can confirm I see the same thing after sync.

    I updated my install to use the cores

    C:\arduino-1.8.13\hardware\teensy\avr\cores>ren teensy4 teensy4_release
    ...
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    Hi Paul, Good news, will Sync up. Glad there...

    Hi Paul,

    Good news, will Sync up. Glad there is some memory allocate functions for external memory. I also wish we had one for the area of memory many may have on their machine in the ITCM,...
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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...
  16. @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...
  17. 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...
  18. Thread: Teensy MicroMod

    by KurtE
    Replies
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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:...
  26. 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...
  28. 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...
  32. Thread: Teensy MicroMod

    by KurtE
    Replies
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    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...
  35. Thread: Teensy MicroMod

    by KurtE
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    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...
  37. 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
  40. Thread: Support

    by KurtE
    Replies
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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...
  43. 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...
  50. Mine does, in the exact section that Paul...

    Mine does, in the exact section that Paul mentioned: 13.3.2.1 (Page 986)
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