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  1. Thanks Kurt - didn't come across that one during...

    Thanks Kurt - didn't come across that one during the search - that processing sketch looks interesting,

    EDIT: Processing at least at know a bit. Just tried the processing sketch after modifying...
  2. @KurtE You might want to check Adafruit OV7670...

    @KurtE
    You might want to check Adafruit OV7670 driver - has some good stuff on framesize, FPS etc on changing values: https://github.com/adafruit/Adafruit_OV7670/tree/master/src
  3. Nope it was me - I had PWDN and RET reversed. ...

    Nope it was me - I had PWDN and RET reversed. Once I fixed it all works as originally posted :) Dumb mistake on my part.

    BTW: went back to my arducam stuff to try and get the bmp sent to there...
  4. Interesting just copied your version and loaded...

    Interesting just copied your version and loaded it up and got nothing until I added the reset to LOW? Strange....
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    According to the product page posted it is...

    According to the product page posted it is backward compatible with the BNO080 (??). You could try and use the sparkfun BNO080/085 library as well...
  6. Ok after spending most of the day wiring and...

    Ok after spending most of the day wiring and rewiring finally got it working I think:

    OV7670 Camera Test 3 Compiled on Oct 27 2020 20:36:31
    buff1 at 0x70096000 buff2 at 0x70000000
    Camera...
  7. Tried with and without- going to try again though...

    Tried with and without- going to try again though - 2.2k if i remember your note
  8. Just hooked up sda, scl, 3.3v and GND and ran...

    Just hooked up sda, scl, 3.3v and GND and ran scanner and got no i2c devices found. THought it s 0x21 as well
  9. Ok just want to check I2C address but when I run...

    Ok just want to check I2C address but when I run I2c scanner it doesnt see the camera?
  10. @KurtE - looks like you answered my question :) ...

    @KurtE - looks like you answered my question :)

    Looks like I have a connection problem:

    OV7670 Camera Test 3 Compiled on Oct 27 2020 13:45:22
    buff1 at 0x70096000 buff2 at 0x70000000
    Camera...
  11. Afternoon all Ok using posts by @mborgerson...

    Afternoon all

    Ok using posts by @mborgerson and hooked up the OV7670 to the T4.1. Looks like I am getting responses on the serial monitor but not sure what to used to view the image on the PC?
    ...
  12. @KurtE Think what you are looking for is in...

    @KurtE

    Think what you are looking for is in section 6 of the Implementation Guide on Image Scaling!
  13. Not sure if you all have seen the OV7670...

    Not sure if you all have seen the OV7670 Implementation Guide: http://web.mit.edu/6.111/www/f2015/tools/OV7670app.pdf, Datasheet - http://web.mit.edu/6.111/www/f2016/tools/OV7670_2006.pdf,
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    @luni Yep that answers my question including...

    @luni

    Yep that answers my question including my unasked question about what is a chunk - thanks for explanation!
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    @luni Ok think you need to give me another...

    @luni

    Ok think you need to give me another lesson here. Using your printInfo function which boils down to basically:

    size_t total, totalUser, totalFree;
    int nrBlocks;
    ...
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    There does seem to be some functions in smalloc.c...

    There does seem to be some functions in smalloc.c that seem to do it: see post #40
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    Just checked for the T4.1 that I am testing with....

    Just checked for the T4.1 that I am testing with. Both TyCommander and IDE are both showing the same COM port number for the T4.1. Even checked with Triple Serial example.
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    @KurtE In smalloc.c did notice these functions:...

    @KurtE
    In smalloc.c did notice these functions:

    /* Use these when you use just default smalloc_curr_pool pool */

    vovoid sm_free(void *);

    void *sm_realloc(void *, size_t);
    void...
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    Since I don't really play with malloc much I...

    Since I don't really play with malloc much I copied and example for malloc and converted for extram_malloc:

    #include "Streaming.h"
    #define cout Serial

    void setup() {
    while(!Serial)
    ;
    ...
  20. When using an Audio Shield with addition flash...

    When using an Audio Shield with addition flash you are actually using the flash chip in SPI (normal) mode. Which means you are using the normal SPI interface to access the chip.

    When using the...
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    Just updated the core on a Win 10 x64 confirmed...

    Just updated the core on a Win 10 x64 confirmed all 3 ports seen and printxx working :)
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    With that said just tried Triple_Serial_test and...

    With that said just tried Triple_Serial_test and only seeing 1 Serial port in Windows 10 with T4.1 and t4.0
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    Confirmed. Working again

    Confirmed. Working again
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    Think maybe the Oct 23rd or 24th commit was...

    Think maybe the Oct 23rd or 24th commit was 1.54b2 just looking at the how long ago the commits were made?
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    Just for a check I did downloaded and install the...

    Just for a check I did downloaded and install the latest core over 1.54b2 and am seeing the same thing for both the T4.0 and the T4.1 - Serial.printxx not printing to SerMon. T3.6 still works though.
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    @KurtE is the expert here but I think why the...

    @KurtE is the expert here but I think why the speed up for 1 32-bit word transfer or 16-bit (my guess) is small if you are doing alot of transfers like for a display it may add up to a greater...
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    Smile - glad its not just me that makes "silly...

    Smile - glad its not just me that makes "silly mistakes" - feel better now.
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    Looking at the SPI.h looks like you still have...

    Looking at the SPI.h looks like you still have some 1052 defines (line 1139 or so not sure still needed unless for posterity :) );

    Don't really use ethernet much but looking at the lib looks like...
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    Not problem glad to help. This is deja vu. Seem...

    Not problem glad to help. This is deja vu. Seem to remember you working on the map() function a couple of years ago as well.

    If there is anything else you need checked let me know.
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    You are correct Michael. When I was looking at...

    You are correct Michael. When I was looking at the c++ man pages it showed C99 and a tab for C++11.
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    Ok - here is a side by side comparison. looks...

    Ok - here is a side by side comparison. looks like its working both in forward and reversed ! ....



    Range 0-20 to 4-0 Range 0-20 to 0-4
    x map map1 map(+1) map(round) Rosetta x ...
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    Thanks Paul - will check that next. Out of...

    Thanks Paul - will check that next. Out of curiosity I was looking for a mathematical approach to map and found something on rosetta code for a map function: https://rosettacode.org/wiki/Map_range....
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    Was looking that over this morning and planned on...

    Was looking that over this morning and planned on testing. That cmaglie sketch helps. I changed it to read:


    // This is the original map() function in Arduino Core
    long map1(long x, long...
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    I agree with you on how something simple can get...

    I agree with you on how something simple can get overly complicated. Always subscribed to the KISS principal :)
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    Was just playing with the different types and...

    Was just playing with the different types and added results to my previous posts. Looking at inttypes.h appears there are a few more variants for PRIxxxx usage as well:



    Which i think is...
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    @luni - thanks for the lesson. Learning...

    @luni - thanks for the lesson. Learning something new now. Never realized those things were defined in inttypes.h. I have seen something similar in some .h files though.

    EDIT: did a google...
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    Seeing exactly the same thing using Ubuntu 18.04,...

    Seeing exactly the same thing using Ubuntu 18.04, the screenshot matches exactly.


    Think will need to convert many many %u %x %d to %lu %lx %ld Will be sort of a pain! Ran across an instance of...
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    Same here - all seems to be working. Ran with...

    Same here - all seems to be working. Ran with OpenGL, EigenTest, check42 psram test with no problem.
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    Been uploading and reuploading graphicstest9488...

    Been uploading and reuploading graphicstest9488 on a T4.1 with 8mb PSRAM with upload or compile issues with the change in post #27. Same results with Demosauce. Both times used SPI1 for the test.
    ...
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    Morning all Going to add to the confusion this...

    Morning all
    Going to add to the confusion this morning. I retested BLINK on a T4.1 with compile options from smallest to fastest with the even stranger result that at all compile options BLINK...
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    Just joined the fun here. Loaded a clean copy of...

    Just joined the fun here. Loaded a clean copy of Arduino 1.8.13 along with 1.54-beta1 and am seeing the same issues on a Windows 10 64 bit as @KurtE and @degragster while loading Blink.ino. As a...
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    Wow - was just going to start reading up on HAB...

    Wow - was just going to start reading up on HAB to play around with it but looks like its solved - really is great news. Looking forward to see what you did to get it working ?
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    Sticky: I didn't try running it manualy but I did try and...

    I didn't try running it manualy but I did try and just press the button on the T4,1 just in case but didn't load - probably got impatient and didn't wait long enough.

    Agree - Paul probably needs...
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    Sticky: @KurtE - I am using 1.8.13 aarch64 version -...

    @KurtE - I am using 1.8.13 aarch64 version - arduino-1.8.13-linuxaarch64

    If i turn on verbose mode I didn't notice anything strange, looks like it compiled without error. Also as I mentioned when...
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    Sticky: Just checked and /tmp has drwxrwxrwt 15 root...

    Just checked and /tmp has

    drwxrwxrwt 15 root root 4096 Oct 14 19:05 tmp

    If I compile Blink for the Uno I don;t get the error?
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    Sticky: Good Morning all Running into a something while...

    Good Morning all
    Running into a something while trying to get a sketch to load to a brand new toy I got recently and something out of my normal wheel house. So here goes.

    I picked up a PI4 with...
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    Ok hooked up a T4.1 with 1 PSRAM chip and ran the...

    Ok hooked up a T4.1 with 1 PSRAM chip and ran the three example programs:
    Simple.ino

    f1 address: 0x20000de8, value: 3.141593
    f2 address: 0x20000e90, value: 1.414214
    t2 address: 0x20000e0c,...
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    Indeed - very cool - have to give it a try soon! ...

    Indeed - very cool - have to give it a try soon! Nice find :)
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    A while ago @KurtE and I and others worked on...

    A while ago @KurtE and I and others worked on getting a RPI Kedei display working with the T3x-T4. You might want to give the library we developed for that a try:...
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    Sorry for the delay in responding but been busy...

    Sorry for the delay in responding but been busy with a few other projects.

    Was trying to figure out where the problem was but no luck. Probably best that you switch to the BNO055, as you said...
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