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Type: Posts; User: slomobile

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  1. Replies
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    Would it be sufficient for your app @cdavis2 or...

    Would it be sufficient for your app @cdavis2 or possible technically @defragster to just expand the area reserved for EEPROM at the cost of some code space? Maybe use the ESP32 way of choosing...
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    [QUOTE=luni;212966]There are always ways to do...

    [QUOTE=luni;212966]There are always ways to do things :-)

    That was awesome! Exactly what I needed, quickly, and a model for how to solve the same problem with other libraries. Thanks for...
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    I did see that! It turned out that having...

    I did see that! It turned out that having micros() elapsedMicros() and 1uS resolution from TeensyDelay was so convenient that the code practically wrote itself. If I need to go back and refactor...
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    I saw that note. Unfortunately I need every...

    I saw that note. Unfortunately I need every available channel for TeensyDelay and only 2 channels for PulsePosition. At least I can try to use TeensyDelay as a model to modify a local copy of...
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    Looks promising but both libs use ftm0 and...

    Looks promising but both libs use ftm0 and conflict. I've filed an issue against PulsePosition a while ago suggesting ability to select which ftm is used. Any guidance there, or generally how to...
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    One shot timer

    When you answer, please specify which Teensy versions your answer can apply to.

    How to immediately schedule an output pin to flip in X uS from now. X can be from 400 - 2800uS(microseconds). ...
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    Could we please see a photo of that board with...

    Could we please see a photo of that board with Teensy removed? Or really any Teensy test board with pogo pin bed of nails that contact the backside interior so that we can better visualize the end...
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    Yes, please

    This thread is now several years old but still a top Google search result on Teensy IEEE1588.
    I want it to reflect at least some level of interest.
    I would use such a library if it existed.
    My use...
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    I'd just like to put a bug in someone's ear that...

    I'd just like to put a bug in someone's ear that USB-C (or USB-C hub) functionality would be very useful for some T4 projects. I don't see CCx pin definitions or other indications that this has been...
  10. It is still untested as I'm not quite sure what I...

    It is still untested as I'm not quite sure what I am supposed to do with the makefile that alzhao provided. Thank you for taking the time to create that! I'm still googling to figure it out....
  11. Still unresolved libusb-1.0

    I am still searching. Haven't found it yet. It seems that the development package is named differently for each distro and I have yet to discover what the name is, or if it even exists for current...
  12. Attempted compile teensy_loader_cli on router

    When trying to make teensy_loader_cli I get this error.

    root@GL-AR300M:/teensy_loader_cli# make
    cc -O2 -Wall -s -DUSE_LIBUSB -o teensy_loader_cli teensy_loader_cli.c -lusb
    make: cc: Command...
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    That sounds a bit over complicated and...

    That sounds a bit over complicated and jittery(inconsistent delay from actual zero to sensed zero) to me. I would probably use the comparator referenced to ground to find every zero crossing and...
  14. Programming Teensy3.x attached to MIPS OpenWRT wireless router

    My project is to wirelessly communicate with a Neato Botvac85(link has relevant pictures only, not relevant code AFAIK) and Teensy 3.2 via GL-AR300M-Ext wireless travel router, all mounted on the...
  15. Either way is fine as long as it is done right. ...

    Either way is fine as long as it is done right. But to do it right you need to specify the exact right pins to use, offer them for sale or include them, and provide a simple means of aligning all...
  16. Thanks Paul. Don't feel rushed to update...

    Thanks Paul. Don't feel rushed to update SerialFlash on my account, I'm not in any hurry. When I asked if there was a way to "bring Xbee and SerialFlash into the fold" I was unclear. I was looking...
  17. Xbee as Print *

    So far, every com type(my term for Serial, Ethernet, SD, i2c, SPI, SD, various displays, etc.) which I tried, can be stored in a Print* except SerialFlash and Xbee. The Xbee library is different...
  18. I just realized much of the functionality of...

    I just realized much of the functionality of monitorPrint1file.ino can be summed up as
    if(Serial)Serial.print("Something, something... Dark Siiide");
    It is now stalled at :
    monitorPrint1file:33:...
  19. Print descendents, scope issue, comsManager

    Please check if I've made any major logic errors that prevent the concept from working at all. I am stuck.

    I got the idea last night that a lot of the Serial.Print messages we use to debug our...
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    Perhaps, this thread could become a list of...

    Perhaps, this thread could become a list of specific suggestions. That way, even if they remain unimplemented, the information remains here to be discovered by users.
    example:
    Due to lack of photo...
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    Well, its not as dramatic as all that. ...

    Well, its not as dramatic as all that. Interrupts are disabled and reenabled with code that looks like what I just showed you. Search the library source code for similar sections{find cli()} and...
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    I am not familiar with this software at all, but...

    I am not familiar with this software at all, but I took a quick look at https://github.com/NicoHood/Nintendo/blob/master/src/Gamecube.c and found this critical section

    // Don't want interrupts...
  23. I would pay that IF it had pogo pins to break out...

    I would pay that IF it had pogo pins to break out the bottom pads including reset, and included the mating JST pigtails.
    Without the pigtails included, it would be a hidden cost, harder to source...
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    yield atomic?

    I happened to see https://github.com/PaulStoffregen/cores/blob/master/teensy3/yield.cpp
    specifically this comment // TODO: does this need to be atomic?
    shortly before reading...
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    What do you think of a bi-color LED? Something...

    What do you think of a bi-color LED? Something like these. I haven't used this specific part, but other red/green LEDs I've used light orange when both elements are lit at the same time. This...
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    No firewall, but bitdefender free antivirus is...

    No firewall, but bitdefender free antivirus is installed. This message was generated on verify only so it shouldn't be trying to reboot the teensy anyway.

    Arduino: 1.6.9 (Windows 7), TD:...
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    Or, mount the crystal and solder on the back side.

    Or, mount the crystal and solder on the back side.
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    @KurtE almost. The whole verbose log boiled down...

    @KurtE almost. The whole verbose log boiled down to:

    Opening Teensy Loader...
    Unable find Teensy Loader. Is the Teensy Loader application running?

    Opening Teensy Loader...
    Teensy Loader...
  29. The teensy 3.2 already has 2 hardware quadrature...

    The teensy 3.2 already has 2 hardware quadrature decoders built in. The encoder library supports more. Is there some reason you want to use another chip?
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    Please note that NO code has changed from the...

    Please note that NO code has changed from the time this project compiled and worked on beta 2, through the 4 compile attempts on beta 3. Yet, identical code resulted in 4 different messages from the...
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    I frequently experience this problem reported for...

    I frequently experience this problem reported for beta 2 on teensy 3.1. It will even report "download complete" when there is no Teensy connected to the computer at all. That message needs to be...
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    In TD: 1.29-beta3 and previous beta2 I have been...

    In TD: 1.29-beta3 and previous beta2 I have been getting a lot of "Error compiling for board Teensy 3.2 / 3.1." Usually it is a syntax error in my sketch and it made a library blow up for some...
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    Linux installation documentation bug. at...

    Linux installation documentation bug.

    at http://www.pjrc.com/teensy/td_download.html#linux_issues

    Linux: By default, the teensyduino.32bit and teensyduino.64bit files will not have execute...
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    I know this is an old thread, but I was hoping to...

    I know this is an old thread, but I was hoping to use similar code interfacing with an old motor control chip with combined parallel Address/Data bus. But I also need to read from the bus and I'm...
  35. SPI clarification recent updates. Need for SPIslave library.

    I need a Teensy 3.2 as SPI master to a display, SD as logger, and several Teensy 3.2 as SPI slaves. The slave devices will keep track of fast encoders, analog and digital inputs, and output the DAC...
  36. Thread: Teensy Qt

    by slomobile
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    TyQt fits the way I like to work. I am very...

    TyQt fits the way I like to work. I am very excited first that it exists, and second that it is still in active development.
    I need to use Arduino 1.0.6 because that is the latest IDE supported by...
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    Thanks for taking a look. The percentage thing...

    Thanks for taking a look. The percentage thing isn't really a problem at all, makes complete sense after you explained it. I was just so sure that I had done everything right and had discovered a...
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    Minor UI problem with Teensy Loader 1.27-beta2 ...

    Minor UI problem with Teensy Loader 1.27-beta2 Hovering over the 3 diagonal lines at the lower right of the loader window brings up a diagonal resize arrow cursor, but clicking and dragging does not...
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    Bingo! The way to get around that is here...

    Bingo! The way to get around that is here. Just create an array with all the pin numbers that you want to use (avoid pin 13) and loop through that array instead of the pin numbers directly.

    A...
  40. Thanks, that is helpful information. I just...

    Thanks, that is helpful information. I just started reading about prioritized interrupts which I didn't know about last time I used Servo on Teensy 3.0 with quadrature encoders running at the same...
  41. PulsePosition and Servo in/out on Teensy 3.x

    Paul,
    Thank you for the PulsePosition library. It is a big help and remarkable that you were able to produce it so quickly without hands on RC experience. It seems that no one requested the most...
  42. I do not have a host shield to test, but the...

    I do not have a host shield to test, but the example code compiled for me as long as "No USB" is selected in Tools-> USB Type and the CPU speed was bumped down to 16mHz. Also, made sure each...
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    First Robotics Competition / CAN

    FRC http://www.usfirst.org/roboticsprograms/frc will be using an all new control system for 2015 competition. http://www.usfirst.org/roboticsprograms/frc/blog-2015-control-system-kop-survey

    The...
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    Definitely appreciate a clean analog section. No...

    Definitely appreciate a clean analog section. No need to bring it out to the edges. 4(Agnd,Aref,Aleft,Aright) surface mount pads on the upper interior surface make them accessible while...
  45. That message was a direct quote from the status...

    That message was a direct quote from the status window at the bottom of the Arduino IDE, not the loader. The same area that says how big your program is. Its possible that warning message may be...
  46. Well, that would explain it. When the Arduino...

    Well, that would explain it.
    When the Arduino IDE says "Please press the RESET BUTTON on your Teensy to upload your sketch. Auto-reboot only works if the Teensy is running a previous sketch."...
  47. Teensy3 reset button won't. .. unless plugged into PC usb port

    Pressing the reset button causes the current program to stop executing, but it does not restart. It stays in some weird hung state. This happens when powered by phone charger through USB connector...
  48. Encoder version 1.1 library with Arduino Micro(Leonardo)

    The library comments state that it was untested with the Leonardo. So far it appears to work fine with Arduino 1.0.4 provided you do not define ENCODER_OPTIMIZE_INTERRUPTS. If you do, as with the...
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    Massive thanks

    That is exactly what I needed.
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    Could you elaborate on what this line does? ...

    Could you elaborate on what this line does?

    NVIC_ENABLE_IRQ(IRQ_PIT_CH1); // Another step to enable PIT channel 1 interrupts
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