Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: gimpo

Search: Search took 0.00 seconds.

  1. Replies
    27
    Views
    3,814

    No news about resetting the Teensy 3.x via...

    No news about resetting the Teensy 3.x via software?

    My Teensy 3.2 is equipped with a TFT screen. My idea is to propose to the user a menu option that allows to reprogram the Teensy.
    When user...
  2. Replies
    27
    Views
    3,814

    Very interesting. That would be a "game changer"...

    Very interesting. That would be a "game changer" for me and my needs.
  3. Replies
    27
    Views
    3,814

    You're inspiring bad ideas in my mind... :D What...

    You're inspiring bad ideas in my mind... :D
    What if I connect that pad to an output pin of Teensy itself? What happens with an instruction like "digitalWrite(LOW)" executed on that pin???
  4. Replies
    27
    Views
    3,814

    Pressing the button always unlock the lock? For...

    Pressing the button always unlock the lock? For this reason is necessary to force the complete erasure of the flash? To prevent malicious reading of the uploaded code, yes?



    It happens at the...
  5. Replies
    27
    Views
    3,814

    Thanks Paul and defragster for the answers. ...

    Thanks Paul and defragster for the answers.


    Definitely it is.
    Take in account that a lot of people (like me) come from previous experiences with Arduino. This can lead to some misunderstandings...
  6. Replies
    27
    Views
    3,814

    I revamp this thread to ask confirmation about...

    I revamp this thread to ask confirmation about the intended worklow for setting the security byte on the flash RAM of my Teensy 3.2.

    As I understand, the typical steps would be the following:

    ...
  7. Replies
    2
    Views
    60

    Thanks Paul for the detailed answer. Now is up...

    Thanks Paul for the detailed answer.
    Now is up to me to take a decision... probably the best thing is to buy a second-hand PC with fresher software version (unfortunately, the space on my desk is...
  8. Replies
    2
    Views
    60

    version `GLIBC_2.15' not found

    At my little laboratory I use a paleoarcheogical 32-bit PC with Ubuntu 10, marked with "by Ramses II" (I use it to drive my CNC-mill because it has an old parallel interface).

    It works well with...
  9. Nice! Keep us informed. If you want, I could...

    Nice!
    Keep us informed.

    If you want, I could send you a cheap 1.54" 240x240 TFT with all the wiring ready to plug and test.
  10. As many TFT, mine also keep in graphic memory the...

    As many TFT, mine also keep in graphic memory the contents of the previous running program.
    When the sketch started again correctly, I saw the previous contents of the screen for a fraction of...
  11. My test sketch (the one at the top of this...

    My test sketch (the one at the top of this thread) doesn't work even with with the latest 1.4.7 adafruit GFX version.
    As before, I had to downgrade the lib back to version 1.3.6 to make it working...
  12. Same result as above with "speedtest.ino". I...

    Same result as above with "speedtest.ino".

    I have also upgraded to GFX lib versione 1.4.7 (yes, another recent upgrade) and restarted the IDE. Again the same problem as above.
    All I see of...
  13. The sketch "graphictest.ino" doesn't work...

    The sketch "graphictest.ino" doesn't work properly:

    1. the black background color is turned to white
    2. the screen is translated down for around 3/4 of the screen height, and translated left for...
  14. Just a moment...

    Just a moment...
  15. Here the datasheet.

    Here the datasheet.
  16. No, is this 240x240 pixels from Aliexpress:...

    No, is this 240x240 pixels from Aliexpress:...
  17. New adafruit GFX 1.4.x libs doesn't work for me

    Hi everybody,

    my Teensy 3.2 was working like a charm if using the "old" libs by adafruit with an 1.54" TFT display:

    GFX version = 1.3.6
    ST77xx version = 1.2.7

    (See my simple test sketch...
  18. Replies
    5
    Views
    1,106

    Ok. Thanks for the answer So the "risk" occurs...

    Ok. Thanks for the answer
    So the "risk" occurs only when the the USB connector and the external 3.3V supply line are both plugged at the same time.
  19. Replies
    5
    Views
    1,106

    (Thread resurrection :D) I plan to power a...

    (Thread resurrection :D)
    I plan to power a Teensy 3.2 by using the 3v3 pin too.

    Question:
    do I need to cut the "VUSB trace" if reprogramming Teensy with the USB cable and the supply line (going...
  20. UPDATE The pin 11 in the wiring image is...

    UPDATE

    The pin 11 in the wiring image is wrongly named. It should be "MOSI", not "MISO".
    Here below the right wiring:
    15606
  21. Replies
    20
    Views
    4,123

    So, I'm not the only one seeing it! :D Anyway, a...

    So, I'm not the only one seeing it! :D
    Anyway, a minor bug.
  22. Replies
    10
    Views
    460

    clever :cool:

    clever :cool:
  23. Replies
    10
    Views
    460

    What comes to my mind is that, maybe, different...

    What comes to my mind is that, maybe, different instances of the Adafruit_ST7735 classes share the same CS variable. But I didn't find any trace of this in the adafruit libs... :(

    Could you post...
  24. About 1.54" TFT 240x240 pixel with ST7789 and 22 pin connector

    Here my little contribution, hope it helps. :cool:

    I bought a cheap 1.54 inch TFT display. Despite all my doubts I was able to make it working by using the standard Adafruit libs on my Teensy 3.2...
  25. How you made the 1.54" working? Can you post how...

    How you made the 1.54" working?
    Can you post how you initilized the TFT by using the ST7789 libs by Adafruit?

    For now, all I've got is a black screen on my 22 pins TFT purchased on Aliexpress....
  26. Replies
    10
    Views
    460

    Not sure, just guessing: "Any digital pin can...

    Not sure, just guessing:

    "Any digital pin can be used for a SS (slave select) signal. The SPI library does not control the SS signals, because devices differ on when this is used, whether it is...
  27. Replies
    0
    Views
    164

    About Teensy 3.2 and 1.44" TFT display

    Just my little contribution here. I hope it help somebody.

    Prologue

    Before today, I was my using 1.44" TFT display from Aliexpress on my Arduino and (very) old Adarfruit libraries with success:...
  28. Replies
    20
    Views
    4,123

    It works very well for me, but... again that...

    It works very well for me, but... again that noising java exception when starting the Arduino IDE for the first time (i.e. after running TeensyduinoInstall.linux64).
    The graphic is messed at the...
  29. Replies
    15
    Views
    1,794

    I've followed this steps on Ubuntu 16.04 1....

    I've followed this steps on Ubuntu 16.04

    1. downloaded and unzipped an Arduino 1.8.8 IDE
    2. created a "portable" directory in the IDE installation directory
    3. tested the IDE with some examples...
  30. Thanks a lot Paul for the detailed information....

    Thanks a lot Paul for the detailed information. That was exactly the kind of info I was looking for! :cool:
  31. Newbie question about serial pins on teensy 3.2

    Hallo everyone,

    I have a good knowledge about Arduino (namely the Arduino Pro Mini - 3.3 V), now I'm approaching with a lot of curiosity to the Teensy world.

    Talking about the Arduino Pro Mini,...
Results 1 to 31 of 31