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    Yeah, the error messages showed I was using all...

    Yeah, the error messages showed I was using all teensy stuff. Hence my post here. My thought was that it was some flavor of version-itus and maybe it was a well known thing. That and I've been...
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    I think I got it. They have to have the files...

    I think I got it. They have to have the files ordered in some perfect sequence or it'll not work. I stumbled on the correct sequence and now at least it runs. Although the fonts are bigger than I...
  3. Where do you get a cable that can connect the...

    Where do you get a cable that can connect the two?

    -jim lee
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    Possibly version issue with Adafruit GFX?

    Tried to roll in some fonts for my Adafruit screen I'm getting this : Applications/Arduino.app/Contents/Java/hardware/teensy/avr/libraries/Adafruit_GFX/Fonts/FreeSans12pt7b.h:1:7: error: 'uint8_t'...
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    That is EXACTLY what I was looking for. THANK...

    That is EXACTLY what I was looking for.

    THANK YOU!!

    -jim lee
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    BASIC BASIC waveform out.

    I just have a piezo buzzer on pin 24 (Teensy 3.2) and I would like to generate tones. PWM with a frequency.

    what's the call to start and stop a waveform like that?

    Thank you!

    -jim lee
  7. Thread: Teensy 2.0?

    by jim lee
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    Thanks for the spect, that'll help a lot. ! I was...

    Thanks for the spect, that'll help a lot. ! I was mostly wondering if it programmed just like "everything else".

    -jim lee
  8. Thread: Teensy 2.0?

    by jim lee
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    I already use 3.2s like jellybeans. I just liked...

    I already use 3.2s like jellybeans. I just liked the 2.0 because is was a little bit smaller and about $4 cheaper. I figured it may be good for putting it into things that didn't need a lot of...
  9. Thread: Teensy 2.0?

    by jim lee
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    Teensy 2.0?

    I just ran across the Teensy 2.0

    I actually like the look of the thing (Its tiny) for using as a controller. Is it like all the other Teensy, Feather & Arduino things that I can run Arduino code...
  10. Thread: I2C question..

    by jim lee
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    There IS a jumper I need to cut Straight from...

    There IS a jumper I need to cut

    Straight from my little picture card here..

    Cut to seperate VIN fromVUSB, if
    using a battery charger or external
    power for USB Device mode.

    I'll try that.
  11. Thread: I2C question..

    by jim lee
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    Maybe I should start a new thread? Its all...

    Maybe I should start a new thread? Its all related though..

    Same project: Moisture sensor as note above. Water pump, Motor Driver board and a Buck converter from 12V battery to 5V logic.
    ...
  12. Thread: I2C question..

    by jim lee
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    Well I'm running this : Adafruit moisture sensor...

    Well I'm running this : Adafruit moisture sensor And it looks like its working fine. Well, if I fire it up with the line power 120AC->12DC->5DC->Teensy, everything seems to be happy. Sometimes, when...
  13. Thread: I2C question..

    by jim lee
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    I2C question..

    Does the I2C NOT work when only running on USB? (Teensy 3.2)

    Wait! I think I figured out what was going on. Other circuits were drying to draw too much power.

    A better question would be, is...
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    .jpg decoder code?

    I can't seem to search on .jpg or library without getting nearly everything out there. Those terms are too common.

    So I ask you humans..

    Decoding .jpg and other common image files. What are the...
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    I have a brand new mac. There's over 50 of the...

    I have a brand new mac. There's over 50 of the buggers in there. Bunch of Feathers too. Its only seen maybe one teensy and one feather. I blame the Arduino IDE. Not that I have any data about it, I...
  16. Thread: String issue..

    by jim lee
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    The routine in question strips out un-dialable...

    The routine in question strips out un-dialable characters from a phone number string. So the resulting string is always shorter than the inputted one. All the strings either come from the user input...
  17. Thread: String issue..

    by jim lee
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    The bug it long dead. I just added a dynamic...

    The bug it long dead. I just added a dynamic buffer to the code that was calling it with the quoted string. It was just a surprise to me that it was optimized into a crash. I hate it when something...
  18. Thread: String issue..

    by jim lee
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    Interesting. I recompiled this same program for...

    Interesting. I recompiled this same program for an Adafruit Feather and it worked fine.

    Is there some compiler option that's allowing this on a Feather and not on a Teensy3.2?

    -jim lee
  19. Thread: String issue..

    by jim lee
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    Bleh! What a pain. I have to add a bunch of code...

    Bleh! What a pain. I have to add a bunch of code to undo this error caused by compiler optimization.

    Thanks for the info guys!

    -jim lee
  20. Thread: String issue..

    by jim lee
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    In the old "c" days was it put on the stack?...

    In the old "c" days was it put on the stack? Seeing as it was defined in a function call.

    -jim lee
  21. Thread: String issue..

    by jim lee
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    I thought that it would only put things in read...

    I thought that it would only put things in read only memory if you did.. F("some stuff").

    I see those warnings. Thousands of them. I've been ignoring them for years. First time I've been bit by...
  22. Thread: String issue..

    by jim lee
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    String issue..

    Ran into an issue in my code where I (assume) I have a c string allocated on my stack but the instant I write to it everything crashes.

    Simple sketch to show this..



    int led = 13;

    void...
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    Well, I think I just ran out of RAM on my Teensy...

    Well, I think I just ran out of RAM on my Teensy 3.2. Is this new machine it ready for some monkey bashing?

    I'm working on a litlOS (Multiple sketch swapping) and building a cellphone as a demo....
  24. I think Adafruit's "Adafruit_SSD1352" is out of sync with pjrc's Adafruit_SPITFT.

    Setup a new system with new libraries & everything. These two seem to be not getting along at the moment.



    Arduino: 1.8.8 (Mac OS X), TD: 1.45, Board: "Teensy 3.2 / 3.1, Serial, 72 MHz, Faster,...
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    Thanks for that! Its exactly the kind of thing...

    Thanks for that! Its exactly the kind of thing I've been looking for.

    So I tried the one one github https://github.com/yoonghm/MTP and it wouldn't compile. The original that was listed actually...
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    remote disk using teensy 3.2?

    I have a project I'm working on and it has a SD card in there with lots of goodies. The problem is, in order to update the files on that SD card I have to open up the case of the hardware and fish it...
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    Yeah, but for how long? In a past life.. I...

    Yeah, but for how long?

    In a past life.. I used to make engine controls for drag racing boats. Early on in the development process, I'd bolted a known working "Launch controller" into a test boat...
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    I broke two of the 3.2s by hooking power into...

    I broke two of the 3.2s by hooking power into vbus instead of the vcc in. It would work fine for awhile, leading me to think everything was ok. Then it would just die.

    -jim lee
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    Yes, I've been running my old copy, the current...

    Yes, I've been running my old copy, the current Teensy copy, and now the new version with changes. Seems to all run the same on my Teensy.

    Interesting issue on all the versions though. if you set...
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    Adafruit_VS1053_Library

    I find that there is a copy of "Adafruit_VS1053_Library" in the teensy folder hidden away in the Arduino stuff. How different is this than the original? I have to do some testing and I'd like to know...
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    One board with 25 or sliced into 25 boards? ...

    One board with 25 or sliced into 25 boards?

    -jim lee
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    Teensy 6 packs?

    I find myself running through a lot of teensy 3.2s. I now have a lot of pinout cards as well as a good stock of un-used single row header pins. I'd really like to grab a few Teensys in a pack with no...
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    So it was switching over to Serial 1 then...

    So it was switching over to Serial 1 then lowering the baud rate to 9600. Then it seems everyhting works.

    THANK YOU!!

    -jim lee
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    Serial1 ?! Well that's good to know. Thanks for...

    Serial1 ?! Well that's good to know. Thanks for that!

    We'll see if that helps.

    -jim lee
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    Well they are both set at 115200, I triple...

    Well they are both set at 115200, I triple checked the wiring and they are according to the diagrams online.

    teensy TX P1 -> Feather RX P20
    teensy RX P0 <- Feather TX P21

    Each one works as per...
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    FONA Feather to teensy 3.2?

    The plan is to drive a touchscreen with a Teensy 3.2. Then, use the same Teensy as a master to a FONA Feather. I have most of my software working on both ends. I can send and receive text messages...
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    I can attest that a teensy 3.2 can drive 150 NP...

    I can attest that a teensy 3.2 can drive 150 NP strip. No problem so far.

    That's what's on the front of my truck. :)

    I'll shut up now, sorry to drag this off topic.

    -jim lee
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    Ha ha! Sorry, late to the party. I'm fine with...

    Ha ha! Sorry, late to the party. I'm fine with the LED. The 5V thing, is it the chip on the teensy that allows this? Or is it hardware you put with the chip?

    And the big question.. Will this new...
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    I read through a bunch of this. I can't use all...

    I read through a bunch of this. I can't use all the things the 3.2 already has by a long shot. I do love the SPI bus, analog is good. 5V tolerant ports is really a nice feature. And the other common...
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    A new teensy? Small size is good. I love the...

    A new teensy? Small size is good. I love the 3.2s. I'd really love a whopping upsize in RAM though!

    Since you have one on the drawing board as it were..

    P.S. Thanks for making these things.
    ...
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    Thanks for the "pop it out of auto trick". I was...

    Thanks for the "pop it out of auto trick". I was in the same boat this AM and that "fixed" it.

    -jim lee
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    Thanks guys! It looks like everything works now....

    Thanks guys! It looks like everything works now. Got power into the correct pin and cut the trace.


    https://youtu.be/JWgQ5aM2B5M

    -jim lee
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    Its a 3.2, They are all on the same ground, the...

    Its a 3.2, They are all on the same ground, the trace is not cut. I'd like to program it with the USB while its running on the 5V line from the power supply. I just looked at the diagram and there is...
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    Running on 5V Power..

    Obviously I've made a mistake in my wiring somewhere. I have power coming off of a 5V switching, regulated power supply. All I've hooked to the processor is the data line of a string of neoPixels....
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    Yes! Thank you!! -jim lee

    Yes!

    Thank you!!

    -jim lee
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    It looked like I was just overrunning the output...

    It looked like I was just overrunning the output buffer. I was doing something like a stack crawl by having a serial output in each function both in and out. It would work if I had a better...
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    Analog in speed

    I have teensy3.2s. I've been looking around but am having a tough time finding how fast I can make analog reads. Is there a spec. for this? I hear the talk about doing sound sampling, I'd just like...
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    Debugging with the serial port, issues..

    I put Serial.println("bla bla"); lines all over in my code trying to trace my program flow. I'm seeing them get skipped over. Is this a known issue? If so is there a way to force them to block 'till...
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    Files files files.. SD card questions.

    I'm beginning work on something kinda' like a micro database library. Hence, I have to get up to speed with what is available to me working with SD cards. Up 'till now I've happily used the stuff...
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    Ok, never mind. I wrote a bunch of test cases and...

    Ok, never mind. I wrote a bunch of test cases and it seems to work great. Was all worried for nothing I guess.

    -jim lee
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