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    Thanks! And again, thank you! Finding that it...

    Thanks! And again, thank you! Finding that it worked on your machine kinda' tipped the scales on getting this figured out.

    -jim lee
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    GOT IT! If you DON'T initialize the Adafruit...

    GOT IT!

    If you DON'T initialize the Adafruit ILI9341 screen. Even though your not using the screen. It subtilely messes up the SD card function. Init the screen drivers, and everything's fine.
    ...
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    Upgrading to Teensyduino 1.52 didn't help. The...

    Upgrading to Teensyduino 1.52 didn't help. The other change I did was to use ILI9341_t3.h instead of the usual library. I'll have to swap that back and see if it changes anything. If its a scope...
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    THANK YOU for testing this! Both SD cards are...

    THANK YOU for testing this!

    Both SD cards are mounted on Adafruit #1947 Cap Touchscreen shields.

    My arduino is 1.8.12
    My teensyduino is 1.51
    I've tried 3 different cards all were in use by...
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    I've now tried the supplied Teensy readwrite...

    I've now tried the supplied Teensy readwrite example on two different sets of proven hardware, and the results look to be the same.

    -jim lee
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    I tried the supplied Teensy readwrite example and...

    I tried the supplied Teensy readwrite example and it behaves the same way. First time through it can't create the file. Subsequent times it can create it, but not write to it.

    -jim lee
  7. Pretty cool! I never would, have thought that...

    Pretty cool! I never would, have thought that would be possible. But it makes my head hurt just thinking about it.

    -jim lee
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    Teensy 3.2 SD print issues.

    Few odd issues.

    A) I can't seem to be able to create a new file. This is intermittent. Sometimes the new file is created.
    B) I can't write to an empty file using print(). This is NOT...
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    Ok I feel dumb. Those are not OLEDs at all....

    Ok I feel dumb. Those are not OLEDs at all. Should have looked closer first.

    -jim lee
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    If those are OLEDs, the'll be toast pretty quick...

    If those are OLEDs, the'll be toast pretty quick unless you have some sort of screen saver written in there. Something that lets them sit blank for all that time no one is bothering with them. I...
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    That is incredibly cool! Why not just add a...

    That is incredibly cool!

    Why not just add a passel of Teensys? Then you can bust up the coding making it easier to write and faster to respond, and you end up with more pins that you'd ever need....
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    [queued] Teensy 3.2 cellphone blog.

    20016

    I have my cellphone at a stopping place. (Moslty working, I'm tired) Wrote up a BLOG on developing the software for it.
    Home made Cellphone BLOG

    Enjoy.


    -jim lee
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    Quantum physics! Nothing exists without an...

    Quantum physics! Nothing exists without an observer. :D

    -jim lee
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    I can not believe the frame rate your getting...

    I can not believe the frame rate your getting for drawing anything to that screen. My ILI9341 takes seconds per frame. It drives me nuts! Who is this kurt and his ILI9341 library?

    -jim lee
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    After a day of hacking on my teensy stuff I quit...

    After a day of hacking on my teensy stuff I quit the teensyduino and it took the entire mac down. Power off, everything.

    I don't know if it'll help, but here's the stuff apple wanted as a report....
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    Well, your guesses are at least putting me on the...

    Well, your guesses are at least putting me on the right paths. Thank you! The loader didn't come with the installer. So, I thought it was no longer needed with this new fancy stuff. I went back and...
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    Ok, I pulled ILI9341_t3 stuff out for now. Went...

    Ok, I pulled ILI9341_t3 stuff out for now. Went back to the original one from Adafruit. Got everything to compile again. But now there's no teensy loader? Is this not included with this new...
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    Well, here it is. Looks like teensyduino has a...

    Well, here it is. Looks like teensyduino has a private copy of Adafruit_GFX.h


    Multiple libraries were found for...
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    AH! Got it. Teensyduino has the teensy stuff in...

    AH! Got it. Teensyduino has the teensy stuff in it. Then new IDE from Arduino does not. I'd forgot to check to make sure I was compiling for a teensy. So I guess it wasn't looking for teensy library...
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    Back out of the saddle.. #include...

    Back out of the saddle..


    #include <Adafruit_GFX.h>
    #include <ILI9341_t3.h>


    void setup() {

    }
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    Cool thanks! Back in the saddle! -jim lee

    Cool thanks! Back in the saddle!


    -jim lee
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    Thanks for answering guys. I've a Mac 10.13.6...

    Thanks for answering guys.

    I've a Mac 10.13.6 I did the Catalina install. As for as I could tell it just put a new IDE on my drive called Teensyduino. I'm kinda' asssuming this is all I need and...
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    Guys, can someone give me a quick. What is...

    Guys, can someone give me a quick. What is teesnyduino explanation?

    Is it a replacement for the IDE? Do I still need the original Arduino IDE? From my ignorant user's point of view, everything has...
  24. Update to above.. D-loaded fresh arduino and...

    Update to above..

    D-loaded fresh arduino and the new teensyduino. Mac OS 10.13.6

    Same result.


    Multiple libraries were found for...
  25. Same thing. I can't compile this library. To...

    Same thing. I can't compile this library. To update is the easiest thing to do just to grab a new teensyduino?


    #include <Adafruit_GFX.h>
    #include <ILI9341_t3.h>


    void setup() {

    }
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    19593 Hahah! Yeah. My Ma used to read those to...

    19593

    Hahah! Yeah. My Ma used to read those to me when I was but a we tot. Mmmm! Soup, grilled cheese sandwich and a chapter of Whinny the Pooh. Those were the days!

    The code's already on...
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    @grease_lighting Mine turned into pretty much a...

    @grease_lighting Mine turned into pretty much a complete OS for Arduino kind of processors. (Mainly teensys) Multi sketch swapping, simple threading, a fancy file system, screen drawing, icons.. The...
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    I hear you on writing one's own is easier to...

    I hear you on writing one's own is easier to understand than wrapping your head around someone elses's ideas. Probably why so many of us end up writing our own.

    Good luck with it! It'll be...
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    Guys really, I think you nailed it on the head...

    Guys really, I think you nailed it on the head that the receive is not up to the job. I just wanted to confirm that the Serial.flush() was doing what I thought it was doing, blocking 'till it's all...
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    Well sure. In one end I'm sending a bunch of...

    Well sure. In one end I'm sending a bunch of stuff. In the other end of the hose I'm seeing what comes out. If the hose is connected to the monitor on the development computer, I get what I expect....
  31. On my cellphone, I had to do complete screen...

    On my cellphone, I had to do complete screen rewrites and some those would take over a couple seconds. Looked horrible. So I just, between refreshes, turned off the backlight, then brought it back up...
  32. And, I'd miss MOSI & MISO. I always see them as...

    And, I'd miss MOSI & MISO. I always see them as these two Asian helpers..

    Weird I know.

    -jim lee
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    Serial1 output & flushing.

    I'm having issues that I suspect may be my Serial1 is getting stopped before its sent out all of its data. I sent the output to the monitor and I get it all, send it to Serial1 and I get 63 bytes.
    ...
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    Starting place? I have one I've written from...

    Starting place? I have one I've written from scratch. It runs on a few Adafruit screens at the moment. But, it may be a little too rough for outsider's use. You are welcome to have a look.
    ...
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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...
  37. 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
  41. 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
  42. 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...
  43. 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...
  44. 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.
  45. 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.
    ...
  46. 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...
  47. 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...
  50. 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...
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