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    Its wayland. user@penguin:~$ ls -la /dev/tty*...

    Its wayland.
    user@penguin:~$ ls -la /dev/tty*
    crw-rw-rw- 1 nobody nogroup 5, 0 Dec 31 1969 /dev/tty
    user@penguin:~$ ls -la /dev/
    total 12
    drwxr-xr-x 12 root root 620 Oct 5 18:05 ....
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    Minor correction to launching with sudo. The one...

    Minor correction to launching with sudo. The one I showed has an invalid path to the sketch. Here is one with valid path. Launching as regular user, no problem. Sudo, fails to launch.
    ...
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    The difference in lsusb seems to be that Teensy...

    The difference in lsusb seems to be that Teensy invokes the chrome usbhid driver but Uno invokes the chrome cdc-acm driver.

    I have not switched to Beta channel. Its my kid's chromebook he uses...
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    Chromebook Linux Beta Teensy Upload

    ChromeOS running on some Chromebooks now have the option to install Linux Beta, a containerized Debian. Recently, Linux Beta was given the ability to support some additional USB devices including...
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    Is it possible to grab the Arduino IDE with...

    Is it possible to grab the Arduino IDE with Teensyduino already mixed in from https://github.com/PaulStoffregen/Arduino-1.8.13-Teensyduino for Linux command line only? Unable to run X server, so no...
  6. "using a CPAP would risk putting secretions into...

    "using a CPAP would risk putting secretions into aerosol form." - KurtE
    This is certainly a concern. For any design, it might be effective to simply capture the exhaust into a disposable/washable...
  7. That is above my pay grade, but FWIW my wife is a...

    That is above my pay grade, but FWIW my wife is a lead Nuclear Medicine Technician at a cardiac clinic. So if you need access to a gamma camera, she maybe could work that out.
    Edit: And if you need...
  8. @TelephoneBill thanks for taking the project...

    @TelephoneBill thanks for taking the project manager initiative. Just brainstorming here on project #1.
    What if we flip that and start with Data Collection? At this point we do not have a profile...
  9. Other than possibly a shared power supply there...

    Other than possibly a shared power supply there isn't much inside a ventilator that you would want to share simultaneously between patients. However...

    I do very much like the idea of a diy...
  10. I am a CPAP user and my child and I have spent...

    I am a CPAP user and my child and I have spent some time on ventilators so I picked up a few things chatting up RTs Respiratory Therapists. I would like to contribute to a CPAP mod project(make...
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    Pigweed? Is this useful?

    https://pigweed.googlesource.com/
    I saw this was recently open sourced with Apache license by Google. It is a collection of microcontroller libraries. Was hoping someone smarter than me would give...
  12. Actually, TD 1.48 Beta 1 works as well. It is...

    Actually, TD 1.48 Beta 1 works as well. It is just the 1.48 release version that fails.

    Please ignore "Install script from arduino.cc fails to install launcher." Because I wanted to test it on a...
  13. Jetson Nano Teensyduino 1.48 install fails

    It was working with Arduino 1.8.9 and Teensyduino 1.47.
    Now Arduino 1.8.10 with Teensyduino 1.48 install is broken on fresh Jetson Nano dev kit SD image...
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    In relation to posts #78 and #99 in this thread,...

    In relation to posts #78 and #99 in this thread, I thought I found a bug in the Arduino CLI or possibly the builder, which I reported here
    I don't yet know the ultimate source of that bug. Because I...
  15. Workflow. Remote edit. Local code store, compile, upload.

    There will be a Teensy4, 3.x or some other arduino. We'll call it micro.
    Does what micros do. Connected by USB to SBC.

    There will be a...
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    There are easier ways to interface hardware to...

    There are easier ways to interface hardware to Android now. Check out http://remotexy.com/
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    When I had a project with similar needs I bought...

    When I had a project with similar needs I bought a few of the cheapest cell phones I could find. At that time it was ZTE Speed from boost mobile $40 each. I never activated them, don't even have...
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    Same machine as prior post, Jetson Nano, reveals...

    Same machine as prior post, Jetson Nano, reveals java exceptions when run from terminal.
    Its long, hope it helps.
    First compile failed because default arduino board was selected.
    Not shown: at...
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    . This was red. Arduino 1.8.10 TD 1.48 B1 on...

    .

    This was red. Arduino 1.8.10 TD 1.48 B1 on a Jetson Nano Ubuntu 18.04 AARCH64 first compile after install and reboot.
    Sketch was the example for XPT2046_Touchscreen. The next compile attempt...
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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...
  29. 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....
  30. 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...
  31. 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...
  33. 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...
  34. 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...
  35. 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...
  36. 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...
  37. 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:...
  38. 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...
  42. 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...
  48. 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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