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

Search:

Type: Posts; User: Silverlock

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Replies
    9
    Views
    259

    I did that as well. DigiKey had the W25Q128JVSIQ...

    I did that as well. DigiKey had the W25Q128JVSIQ FLASH chip and the ESP32-WROVER-B (8MB) so I ordered both. Pried the shield off the ESP32 and removed the PSRAM chip with the aid of some solder wick...
  2. Replies
    13
    Views
    563

    I was lucky enough to start accumulating these...

    I was lucky enough to start accumulating these interlocking drawers many decades ago. (I was also lucky enough to add a whole bunch more when my father downsized his workshop.) I'd love to get even...
  3. Ahh, interesting. When DigiKey started stocking...

    Ahh, interesting. When DigiKey started stocking the Teensy 4.1 it was only a day between the entry showing up and stock being available. I'll have to remember to keep an eye on that over the next few...
  4. Replies
    2
    Views
    171

    Try this. It's a stripped down version of the...

    Try this. It's a stripped down version of the TimeTeensy3 example (yes it works with Teensy4, don't let the name throw you):


    /*
    * TimeTeensy3.ino
    * example code illustrating Time library...
  5. Replies
    4
    Views
    235

    I feel like I'm missing something obvious, but...

    I feel like I'm missing something obvious, but after a quick glance I got this:

    86400 seconds in a day.
    That's 86400000 mSecs in a day.
    unsigned long is 32 bits, with a maximum value of...
  6. What SD library are you using? SD? SdFat? Does it...

    What SD library are you using? SD? SdFat? Does it support a dateTimeCallback function? Did you set it up?
  7. Changing the optimization level can make these...

    Changing the optimization level can make these kinds of warnings pop up and disappear too, resulting in a "what the..." moment. switch() statements that set a variable in all cases followed by code...
  8. Replies
    23
    Views
    1,129

    The same: 1.53 with Arduino 1.8.13. Ran one...

    The same: 1.53 with Arduino 1.8.13.

    Ran one more test with Optimize = Faster, which is the default in the IDE. (I always use Optimize = Fast because, though I can't prove it with a simple example...
  9. Replies
    23
    Views
    1,129

    I loaded up the Test example from USBhost_t36 it...

    I loaded up the Test example from USBhost_t36 it on a T4.1 here and saw +5V on the USB host power pin as soon as I opened the Serial monitor so that the program could start and the USB host object...
  10. Replies
    23
    Views
    1,129

    I can verify that. With just a blink sketch...

    I can verify that. With just a blink sketch loaded, there was no voltage on the USB host +5 pin. Once USBHost_t36 was loaded and enabled the output that switches on USB host power, there was...
  11. Replies
    16
    Views
    2,520

    Sticky: No issues so far with ARM 32 on Raspbian Stretch,...

    No issues so far with ARM 32 on Raspbian Stretch, installed over 1.53b3.
  12. Replies
    31
    Views
    2,115

    And I'll be fairly surprised if that happens. My...

    And I'll be fairly surprised if that happens. My hunch is a marginal solder joint or a bit of flux where it oughtn't to be.
  13. Replies
    31
    Views
    2,115

    Reran the test with Optimize Fast, Optimize...

    Reran the test with Optimize Fast, Optimize Fastest and Smallest Code. All three worked. The only oddity I noticed was that under "Smallest Code" that the result line that usually reads something...
  14. Replies
    31
    Views
    2,115

    Compiled, loaded and ran...

    Compiled, loaded and ran teensy41_psram_memtest.ino w/o modifications or problems with the following setup and settings (some of which I'm sure don't matter but are included for completeness):
    ...
  15. Replies
    31
    Views
    2,115

    Linux ARM on Raspbian Stretch The installer...

    Linux ARM on Raspbian Stretch

    The installer picked up on the fact that I'd modified the udev rule file to add a symlink. And it allowed me to skip the check, which was a nice touch and...
  16. If I was doing this again with the T4.1, I'd...

    If I was doing this again with the T4.1, I'd probably rotate the battery holder 90 degrees and put it as close to the LS245 and 23017 as possible. The T4.1 ought to fit underneath it (from the...
  17. Teensy 4.0 emulation of a Z80 computer running ZCPR3.3/ZSDOS with GSX colour graphics

    Over the winter, I'd started a project to take RunCPM and extend it into a complete computer. One with a RTC, serial and parallel port, an ANSI terminal with colour GSX graphics.

    I just heard...
  18. Replies
    48
    Views
    2,842

    Using 1.53b1 with Raspbian Stretch and Arduino...

    Using 1.53b1 with Raspbian Stretch and Arduino 1.8.13; no problems so far.
  19. Replies
    2
    Views
    149

    From...

    From https://github.com/arduino/Arduino/issues/10345

    Due to a server-side issue yesterday (June 10th), the Arduino IDE failed to start due to downloading corrupt board files. The server-side issue...
  20. And I got my changes to work on the mainline code...

    And I got my changes to work on the mainline code as well. If you want to check anything, I've pushed my changes to https://github.com/mecparts/RunCPM. It's up and running on one of the spare T4.1s....
  21. No trouble at all. I'd just finished a 22km bike...

    No trouble at all. I'd just finished a 22km bike ride before sitting down at the computer so my mind is fresh even if my knees are complaining.

    And right now, grabbing a couple extra 4.1s as soon...
  22. Unfortunately, it's not that easy... I've done...

    Unfortunately, it's not that easy... I've done all this on my own "gone way out in left field" fork of RunCPM. ZCPR3.3, ZSDOS, serial and parallel port (yeah, it's me, mecparts).

    Let me start over...
  23. I think it took me about an hour of skullwork to...

    I think it took me about an hour of skullwork to get things migrated over to SdFat-beta before I got my T4.1 and plugged it in. The increase in speed is very, very noticeable.

    On the T4.0 with the...
  24. Oh right, forgot about all those internal...

    Oh right, forgot about all those internal renaming bits... One sec... dir_t became DirFat_t.

    There was also a function that went private (SD.vwd()) that was used in _sys_renamefile in...
  25. For both the T4.0 and the T4.1, I used SdFat SD;....

    For both the T4.0 and the T4.1, I used SdFat SD;. It worked on the T4.0 and I really never thought of playing with it when I switched over to the 4.1.

    In the SD.begin, I used...
  26. The solution I've come up with is to rename the...

    The solution I've come up with is to rename the SdFat-beta library from SdFat to SdFat-beta: in library.properties change name=SdFat to name=SdFat-beta, rename src/SdFat.h to src/SdFat-beta.h, and...
  27. Replies
    54
    Views
    4,280

    I'm in full agreement with that. And at one time,...

    I'm in full agreement with that. And at one time, that was the way things were done; upgrades didn't break existing functionality. But, like it or not, things are viewed differently now by a lot of...
  28. Replies
    54
    Views
    4,280

    There have been some changes in the ADC library...

    There have been some changes in the ADC library since the snapshot taken when 1.52 was put together. I noticed that at one stage the original methods were put in, but marked deprecated (so they'd...
  29. Replies
    54
    Views
    4,280

    I tried compiling your program for both a T3.6...

    I tried compiling your program for both a T3.6 and a T4.0.

    After declaring some values for readPin and readPin2, it sailed through both pinMode lines, and then errored out on setAveraging,...
  30. Replies
    797
    Views
    40,390

    That white wire should have been delivering 3.3V...

    That white wire should have been delivering 3.3V to that pin (at least it was on mine).

    To the best of my recollection, the middle row of pins across the end of the uSD socket (Vbat, 3.3V, Gnd,...
  31. Replies
    7
    Views
    202

    Speculating on a circuit and components I have no...

    Speculating on a circuit and components I have no knowledge of wouldn't help you much I'm afraid. But if that's what you think it might be, a breadboard with just the Teensy and your unnamed...
  32. Replies
    7
    Views
    202

    Well, that would have been too easy if that had...

    Well, that would have been too easy if that had been the problem.

    More dumb questions just to cover the obvious things I can think of.

    Did you forget the Wire1.begin();?

    Are you connecting...
  33. Replies
    7
    Views
    202

    I've used I2C on both the Teensy 4.0 and 4.1 with...

    I've used I2C on both the Teensy 4.0 and 4.1 with the standard Wire library included with Teensyduino. Haven't seen any hangs when endTransmission() is called. 4.7K pullups on both SDA and SCL.
    ...
  34. Replies
    10
    Views
    477

    In my experience at least, it was that. On the...

    In my experience at least, it was that. On the Teensy 4.x, when I moved the changes in my fork of SdFat over to SdFat-beta I probably had about an hour's tinkering to get it back up and running. Most...
  35. Replies
    38
    Views
    2,582

    Just as a check, in the Teensy Loader, does Help...

    Just as a check, in the Teensy Loader, does Help -> About show 1.52-beta-4 or better? I know it sounds unlikely, but there was an earlier case where someone had upgraded, but was still running an...
  36. Replies
    797
    Views
    40,390

    I think there's an extra 0 in the included part...

    I think there's an extra 0 in the included part number on OSH. The 89361-706LF is DigiKey # 609-3139-ND: https://www.digikey.com/products/en?keywords=609-3139-ND (and it's slightly cheaper!).
  37. I believe the spacing of the pins on the ethernet...

    I believe the spacing of the pins on the ethernet connector is 2mm, not 2.54mm.
  38. Replies
    37
    Views
    2,910

    My "Future Teensy" is the 4.1 beta board that...

    My "Future Teensy" is the 4.1 beta board that Canada Post assures me will be here by the end of the week.:)
  39. I haven't touched SdFatConfig.h, so that's not...

    I haven't touched SdFatConfig.h, so that's not it. Haven't run any other examples; it already works with my setup (and has for about 7 months now). And this is something that I'm actively using, day...
  40. Just as a data point, I've been using a FAT32...

    Just as a data point, I've been using a FAT32 formatted card with SdFat-beta for a while now with absolutely no problems (Teensy 4.0, SPI connection).
  41. You could try SD.begin(PIN_SPI_SS,...

    You could try
    SD.begin(PIN_SPI_SS, SD_SCK_MHZ(25)); and seeing what that does. When I started off using the abundant el cheapo uSD adapters found on eBay and Amazon, that's the fastest that I could...
  42. Replies
    38
    Views
    2,582

    No problems with Linux ARM install on Raspbian...

    No problems with Linux ARM install on Raspbian Stretch with Arduino IDE 1.8.12.

    T4.0 clock matched PC time after upload.

    Set PC date/time ahead to Dec 1 2020 14:00 MST (after DST ends) and...
  43. Replies
    797
    Views
    40,390

    This might have nothing to do with the problem...

    This might have nothing to do with the problem you're having, but it's easy enough to check (and easy to fix, as well) so I'll throw it out there.

    A while back I was having trouble with a T4.0...
  44. It looks to me like the change to rtc_set() is...

    It looks to me like the change to rtc_set() is already in there. I just forked the cores repository and opened up teensy4/rtc.c to add the change and saw some very familiar code in rtc_set().
  45. The change I made was in cores/teensy4/rtc.c, so...

    The change I made was in cores/teensy4/rtc.c, so it would already only apply to the T4s. The T3s have their own separate cores/teensy3 directory (and a completely different rtc_set() function in a...
  46. Replies
    797
    Views
    40,390

    Is CTS3 really on the unlabelled pin 26...

    Is CTS3 really on the unlabelled pin 26 (AD_B1_14)? I'd have expected pin 19 (AD_B1_00).
  47. In the Teensy 4, Teensy3Clock.set(x) only sets...

    In the Teensy 4, Teensy3Clock.set(x) only sets the RTC, not the SRTC. The SRTC is the clock that is maintained by the coin battery on Vbat. The SRTC is set by the loader. When your program starts up,...
  48. There are, somewhat confusingly, two RTCs in the...

    There are, somewhat confusingly, two RTCs in the Teensy 4.0.

    There's one called the RTC (which is what the your program is talking to when you make a Teensy3Clock.get() or .set() call) and...
  49. Thank you for checking that out. I'd hoped that...

    Thank you for checking that out. I'd hoped that the labelling on the IC side was what would turn out to be wrong.
  50. Commands were what I was thinking of too; swapped...

    Commands were what I was thinking of too; swapped data lines you likely wouldn't notice until you took the uSD card out and plugged it into something else. But commands shouldn't work at all if they...
Results 1 to 50 of 70
Page 1 of 2 1 2