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  1. Thread: Teensy Qt

    by Frank B
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    great :) I'll test it this evening

    great :) I'll test it this evening
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    Maybe there is a way to redirect stderr, too. I...

    Maybe there is a way to redirect stderr, too. I don't know Sublime-Text.
  3. Thread: Teensy Qt

    by Frank B
    Replies
    432
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    112,007

    here are some additional settings.. just copy...

    here are some additional settings.. just copy them to the batchfile:


    rem Teensy:
    rem -------------
    set model=teensy36
    rem set model=teensy35
    rem set model=teensy31
    rem set model=teensyLC
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    How does it print the warnings/errors? In a new...

    How does it print the warnings/errors? In a new window, or coloured?
    They are printed to stderr by the builder, and the ATOM-Plugin opens a nice window with these messages only.

    15374
  5. Thread: Teensy Qt

    by Frank B
    Replies
    432
    Views
    112,007

    Oh, i always use RawHid :) @darcy, have you got...

    Oh, i always use RawHid :)
    @darcy, have you got it working?
  6. You need a Teensy 3.x - 3.5 and 3.6 have inbuilt...

    You need a Teensy 3.x - 3.5 and 3.6 have inbuilt SD-Slots, if you use the audioshield (great soundqualty), you can use Teensy 3.2 (SD-Slot on the shield). You'll need an amplifier. I'd use a 3.5 (5V...
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    @Frank: I've ordered the QRP labs „Receiver...

    @Frank: I've ordered the QRP labs „Receiver module“ and Filters just now.
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    The case looks great! Would you please publish...

    The case looks great! Would you please publish the STL? I ordered a 3D printer for my son and me, and it looks like a worthwhile project.
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    https://forum.pjrc.com/threads/52761-Teensy-4-0-(h...

    https://forum.pjrc.com/threads/52761-Teensy-4-0-(hypothetical)-pin-assignments?p=186490&viewfull=1#post186490
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    @defragster, I have not tried it, but looks good.

    @defragster, I have not tried it, but looks good.
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    Well, then you need to write your own low-level...

    Well, then you need to write your own low-level interrupt, and use the int-vector directly. the yield() issue still remains, so overwrite it.
    Take a look to the teensyduino-core, or ask me...
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    red is good as error-indicator ... in the NMIs......

    red is good as error-indicator ... in the NMIs... ;)
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    I think, It's important that they are multiple of...

    I think, It's important that they are multiple of 128 samples (one Audioblock) - have not looked at the code, but quite possible that the last block gets filled with 0 for the remaining bytes
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    ...looking at the code again.....

    ...looking at the code again.. EventResponder::runFromYield(), called in yield(), which runs in loop() disables interrupts.
    So, it may help to rewrite your loop for more consistent results:

    ...
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    some thoughts: - use always digitalWriteFast()...

    some thoughts:
    - use always digitalWriteFast()
    - use FASTRUN for pulse()


    FASTRUN void pulse(){
    digitalWriteFast(29, HIGH);
    }

    NVIC_SET_PRIORITY(IRQ_PORTB, 0); is the highest priority -...
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    Hm, have you tried it ? Maybe you can't imagine,...

    Hm, have you tried it ?
    Maybe you can't imagine, but ... the Teensy so so fast, you will not notice any gap, if you're not using delay() or other artificial waits.
    In addition, there is a small...
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    It would be easier to help if we knew what...

    It would be easier to help if we knew what hardware it was about.
    Most shields work with 3V, too. Or, use other shields. 5v is outdated technology from the past, anyway. Even 3V is near EOL. In a...
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    looks like a buffer overflow, array-index out of...

    looks like a buffer overflow, array-index out of bounds, ...something is corrupting the ram.
    Without code, impossible to say.
    Try to strip it down and remove parts, until it works.
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    Has the not working Teensy 5V when the LEDs are...

    Has the not working Teensy 5V when the LEDs are NOT plugged in?
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    Maybe, longterm, it would make sense to drop that...

    Maybe, longterm, it would make sense to drop that javacode and write a new monitor in a faster language.. This thing is a constant source of annoyance, and always has been, although Paul has greatly...
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    Sticky: Works for me, too.

    Works for me, too.
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    An thing that I found annoying often, is, that...

    An thing that I found annoying often, is, that you can't press ctrl-a, ctrl-c if the monitor is disabled. Can you patch this (later this year) , Paul? - an additional button ("copy contents to...
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    Works with WIN10, Arduino 1.8.8, TD 1.45, on a...

    Works with WIN10, Arduino 1.8.8, TD 1.45, on a I5-3570k 3.4 GHz, Arduino serial monitor, Teensy 3.2 96MHz
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    The code can overclock F_BUS to 128MHz, too, so...

    The code can overclock F_BUS to 128MHz, too, so in some cases this will give a good speed-improvement too (I'm not 100% sure, but not in the GPIO-case , I think)
    This needs a special setting.
    Good...
  25. That's the reason why, in cases like this, ...

    That's the reason why, in cases like this, photos are way better..
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    Others who are interested might want to look...

    Others who are interested might want to look here, for example: https://github.com/PaulStoffregen/Audio/blob/master/output_dac.cpp
  27. I'm not that good with hardware/electronics, too,...

    I'm not that good with hardware/electronics, too, but I've used the unl2803 many (>10??) years ago for a small motor, so yes, I think it can handle a fan.

    On the other hand, It would be easier to...
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    you're right, transmit_previous_timeout gets...

    you're right, transmit_previous_timeout gets never reset to 0
    would be good to fix that and do a pullrequest @ github
    ...
  29. who would have thought that? :rolleyes: you...

    who would have thought that? :rolleyes:

    you have a pretty exact timing with the first byte received. you know the bitrate and protocol (8N1?) - it's doable to substract the time needed for the...
  30. Hm, is this signal needed ? You'll get the data...

    Hm, is this signal needed ? You'll get the data over the serial interface anyway, and you need serial to do settings.

    Maybe the signal isn't just there, and is constant low at the moment, until...
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    I'd remove the boards.txt 256MHz changes. This...

    I'd remove the boards.txt 256MHz changes. This will lead to many questions as long the audiolib throws errors when compiling.
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    soerena: i'm using this...

    soerena: i'm using this here:https://forum.pjrc.com/threads/46168-posted-Commodore-C64-Emulation-on-a-Teensy-3-6-Microcontroller
    without buzzing - so, it works (with ili9341 display (spi) ), and it...
  33. I think, I had the board with display ready for...

    I think, I had the board with display ready for the c64, before there was VGA.
    I just made a second board afterwards. I never tried to operate both (VGA + SPI Display) at the same time.
    There are...
  34. Platform.txt for Arduino 1.8.8

    Platform.txt for Arduino 1.8.8
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    There are PRs for bugfixes which are not merged....

    There are PRs for bugfixes which are not merged.

    https://github.com/PaulStoffregen/cores/pull/288 (Teensy LC register allocation problem)
    - and - ...
  36. Wow, awsome.. I really like your emulators!

    Wow, awsome.. I really like your emulators!
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    To test something like this, it is good to use...

    To test something like this, it is good to use tested software - like the audio library :-)
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    New reference manual for 1050, 30 NOV 2018: ...

    New reference manual for 1050, 30 NOV 2018:
    ...
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    Sometimes I open then generated symbol table to...

    Sometimes I open then generated symbol table to look for some addresses of variables. It is handy to filter for .bss and sort the output.
    I added the the following line to platform.txt, which only...
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    @Paul, can you rename Midi and Audio USB settings...

    @Paul, can you rename Midi and Audio USB settings in the menu to USBMidi and USBAudio? It might be a bit misleading as it is now, for beginners
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    Have you set the AudioMemory? Please post the...

    Have you set the AudioMemory? Please post the sourcecode.
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    something is wrong.. perhaps sleep a night and...

    something is wrong.. perhaps sleep a night and try it again. :)
    sorry, I don't know what the problem is now. Ausserdem läuft dr who im TV.
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    hm. then, connect only buttons?.. ;-)

    hm. then, connect only buttons?.. ;-)
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    Nö,bei mir nicht. Hast auf "Auf Standard...

    Nö,bei mir nicht. Hast auf "Auf Standard zurücksetzen" geklickt? Hast du das neue Programm überhaupt auf den Teensy übertragen?
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    Yes, sometimes blind copy&paste without trying to...

    Yes, sometimes blind copy&paste without trying to understand what it does, does not help..

    first, try this:


    void setup() {
    // same as Windows default
    Joystick.Z(512);
    Joystick.X(512);...
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    Your one-liner does a read, a and/or/eor and a...

    Your one-liner does a read, a and/or/eor and a write. So it is 3 operations (plus loading the adress).
    There are more specialized registers, for examplefor setting or clearing bits that don't need...
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    David, the last picture you have posted is...

    David, the last picture you have posted is OneWire bus, not I2C. Dont try to add more resistors to 5v.
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    i'd remove the onboard levelshifters.

    i'd remove the onboard levelshifters.
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    yes. the current is not high, it might survive...

    yes. the current is not high, it might survive that(??) but I don't know how to get that working - additional levelshifters? that would mean 3v-5v-3v.
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    if the linked schematic is correct, there are 10k...

    if the linked schematic is correct, there are 10k resistors to 5v.
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