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Type: Posts; User: dlchambers

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  1. Man, that was fast. Thanks!

    Man, that was fast. Thanks!
  2. Looking for Teensyduino installer for Arduino 1.6.9

    Yeah, I know - old stuff.
    I have a legacy Teensy 3.2 project written under Arduino 1.6.9 that I need to build.
    Building under latest Arduino has new warnings and creates a different hex (mem sizes...
  3. Is it possible to detect *ANY* device being...

    Is it possible to detect *ANY* device being plugged in and get it's VID/PID?
    I plan to use USBSerial, and have it working (example worked 1st time out of the box!), but I also want to know when...
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    Teensyduino F() behavior

    The Arduino F() macro places a string literal in PROGMEM (reducing the RAM footprint)

    I'm using a Teensy 3.2, and need more RAM space, so I wrapped a number of Serial.print() strings in F().
    But...
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    I had this problem just now, and was able to...

    I had this problem just now, and was able to solve it (for me, running Win10).

    Some background that led me to my solution:
    When you install a program in Win7+ (eg. install the Arduino IDE), and...
  6. Thread: Rohs?

    by dlchambers
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    Rohs?

    Are the Teensys ROHS compliant?
  7. Teensy 3.2 gets "stuck" and won't mount COM port

    This happens to me once in a while.

    Using Teensy 3.2 as Arduino (teensyduino) on Win10.
    I'm running the USB as Serial.

    As I'm developing my program and I have a bug, sometimes the Teensy gets...
  8. Dimensions to the USB D+ and D- pads on the underside of the Teensy 3.6?

    Could you please provide these dimensions relative to eg. Pin 1 (GND), as well as the pad sizes?

    Thanks!
    -Dave
  9. Fixed! THANKS!!!!!!!

    Fixed!
    THANKS!!!!!!!
  10. For what it's worth, the Windows binary on this...

    For what it's worth, the Windows binary on this page programs it correctly:
    https://www.pjrc.com/teensy/loader_cli.html
    Haven't looked into the source yet, but it's a datapoint.
  11. No errors, the C# code seems to run perfectly...

    No errors, the C# code seems to run perfectly every time
  12. I'm finding that my .hex works perfectly when...

    I'm finding that my .hex works perfectly when written by Teensy.exe, but does not work when written by TeensySharp's 02_FirmwareDownloadConsole.
    When the hex is written by TeensySharp, the COM port...
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    No replacement needed - just pressed the pins...

    No replacement needed - just pressed the pins thru harder :)
    I just suspected you'd want to know.
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    Gold flash on Teensy 3.2 holes

    A few of my Teensy 3.2's have gold flash in the mounting holes, making it hard to insert headers:
    8963

    Seems like a manufacturing quality issue... has anyone else seen this?
  15. TeensyWatcher provides a Serial number for each...

    TeensyWatcher provides a Serial number for each Teensy (eg. 2030840 decimal).
    I see the source of this (in the .NET code) is the registry entry (via a ManagementObject)

    Follow-on questions:
    1)...
  16. @luni: That's EXACTLY what I was looking for. It...

    @luni: That's EXACTLY what I was looking for.
    It works beautifully - THANKS!!!
    Another win for the PJRC community.
  17. Seems simple enough - that's really what...

    Seems simple enough - that's really what teensy_loader_cli wraps.
    It seems that the VID/PID of 0x16C0/0x0478 is still used by for the 3.2.

    Question: How does the Windows app put the Teensy into...
  18. Program Teensy 3.2 from within my own (windows) program

    Is it possible to incorporate Teensy 3.2 programming into my custom Windows app?

    I want to distribute my own updater (a .NET application) which can determine (via USB serial talking to my...
  19. For Teensy3, does the std Arduino Wire lib use...

    For Teensy3, does the std Arduino Wire lib use i2c_t3 under the hood?
  20. Minimum I2C speed for Teensy3.2 with Teensyduino?

    What's the minimum speed supported by Wire.setClock() for a Teensy 3.2 running at the std 72 MHz?

    I have an I2C issue that I'm trying to debug and want to slow it waaaaaay down to observe things....
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    Awesome! Thanks!!!!

    Awesome! Thanks!!!!
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    No info? :(

    No info? :(
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    USB pad locations on Teensy 3.2

    Could you provide the dimensions from the outer holes to the centers of the USB pads on the underside of the Teensy 3.2 (indicated as "A" and "B" in the following pic)?

    7743

    Thanks!
    -Dave
  24. Thoughts on feasibility of self-updating from an SD card

    I'd like to make my Teensy be able to update it's program from a HEX file on an SPI-connected SD card.

    I'm using a Teensy 3.2 with an I2C wifi module and SPI SD card.

    I'd like to be able to...
  25. Thanks to all for the good info. I meant to say...

    Thanks to all for the good info. I meant to say "program" button/pin, not "reset". I am prepared to bring that pin out to my case, but of course would prefer to not have to. However, if there's even...
  26. Why is the Reset button sometimes needed but sometimes not?

    I've found that when programming a Teensy that sometimes it'll program w/o needing to press the reset button, but sometimes it won't program until you press the button.

    Two questions:
    a) Why is...
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    Part for Teensy 3.2 USB pads?

    Teensy 3.2 exposes USB signal pads on the underside (GREAT addition - thanks!!!)
    Is there a suggested header (eg. DigiKey part#) to solder onto these pads which will extend them down like the...
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    Arduino/Teensyduino String object

    There's a lot out there re: the Arduino String object, mostly people saying "it's broken, don't use it".
    I've also read posts (by Paul S and others) that say that String works in Teensyduino land.
    ...
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    Teensyduino 3.1 ADC external reference

    I'm using a Teensy 3.1 in Arduino mode.

    In core_pins.h for Teensy 3 there are these defs:

    #define DEFAULT 0
    #define INTERNAL 2
    #define INTERNAL1V2 2
    #define INTERNAL1V1 ...
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    Paul, could you kindly provide the mfr (Hirose?)...

    Paul, could you kindly provide the mfr (Hirose?) and part # for the SD connector on the board?
    (board: http://www.pjrc.com/teensy/sd_adaptor.html)
    It kinda looks like this:...
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    I have played with the Teensyduino RawHID sample....

    I have played with the Teensyduino RawHID sample. Problem with that is setting my own VID/PID values and Mfr/Prod strings.
    I'm aware of Teensy 3.x's usb_names.h, and have played with it a bunch, but...
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    Compiler for Teensy C code?

    I'm interested in playing with this: https://www.pjrc.com/teensy/rawhid.html
    What's the suggested compiler (and/or IDE) for working with Teensy C code?

    Thanks,
    -Dave
  33. Do I also need to tweak the inline TWBRemulation...

    Do I also need to tweak the inline TWBRemulation functions in Wire.h?
    They're for __MK20DX128__, which IIRC is the Teensy 3.0
  34. Is there a way to slow down the I2C datarate on a Teensy 3.0?

    I have a flaky I2C connection and I'm suspecting that it might be affected by the datarate.

    I'm running it as a Teesnyduino.

    Is there any way to slow down the I2C speed to a rate of my...
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    I have my own VID, bought & paid from USB-IF, and...

    I have my own VID, bought & paid from USB-IF, and I want to use that with a Teensy 3.0.

    This is purely a technical question, not an ethical/legal one.
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    So, how does one spec a custom VID and PID for...

    So, how does one spec a custom VID and PID for the Teensy 3.0 ?
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    Is Teensy 3.0 RoHS compliant?

    Is Teensy 3.0 RoHS compliant?
    And, if so, does it comply with 2011/65/EU (RoHS 2) directive?

    Thanks
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    What I was thinking is that it'd be super cool if...

    What I was thinking is that it'd be super cool if there were a weak function that gets called at the top of usb_init(), named eg. usb_preinit(), which would allow a program to optionally override the...
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    Answering my own question :) In boards.txt you...

    Answering my own question :)

    In boards.txt you set
    <board>.build.vid=0x1234
    <board>.build.pid=0x5678

    and that passes them as "-D" defines to the c compiler.
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    Related item: In my verbose compiler output, I...

    Related item:

    In my verbose compiler output, I see USB_VID and USB_PID defined to null (in red text):
    C:\Arduino\1.0.5\hardware\tools\avr\bin\avr-g++ -c -g -Os -Wall -fno-exceptions...
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    I only find usb_names.h in the...

    I only find usb_names.h in the hardware\teensy\cores\teensy3 dir.
    Does it not work Teensy with 2.0/2.0++ ?
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    USB Serial dead on Win7

    I've been able to do USB serial with the Teensy (2.0, 3.0) on my Win7 machine forever.
    Now it doesn't work.

    For example, using a Teensy 2.0 (as a Teensyduino) with Arduino 1.0.5, if I load the...
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    #if !defined(__MK20DX128__) #error Teensy 3.0 is...

    #if !defined(__MK20DX128__)
    #error Teensy 3.0 is required
    #endif
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    Teensy 3.0 UART datarate?

    I's seen this table:
    http://www.pjrc.com/teensy/td_uart.html
    and have read various postings that serial-over-USB can do 256k.

    My question is about the non-USB serial datarate for the Teensy 3.0....
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    __bss_end and __brkval on Teensy 3.0?

    I picked up this LCD from adafruit:
    https://www.adafruit.com/products/438

    and downloaded their Arduino lib, and opened their st7565lcd example.
    It compiles & works perfectly on a Teensy 2.0.
    ...
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    Serial stopped working

    I'm on Win7 x32.
    I have a simple Teensyduino sketch loaded that sends text to the serial port. I have the USB Mode as USB Serial.
    Serial used to work perfectly, both with Serial Monitor and term...
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    RS232 ports on the Teensy 3.0

    Questions:
    1) The Teensy 3.0 has 4 independent RS232 ports, correct?
    2) Has the Teensyduino HardwareSerial library been updated to support all 4?
    3) Can the Teensyduino 3.0 HardwareSerial library...
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