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  1. 44.1khz native but supports any common sample...

    44.1khz native but supports any common sample rate for wav files.
  2. Thanks. Yeah SPI but on the ILI9341. The display...

    Thanks. Yeah SPI but on the ILI9341. The display is just a font grid so caching characters instead of pixels is lightweight with the exception of a few graphical elements like VU meters and o-scope....
  3. Very very close to within the limits of the...

    Very very close to within the limits of the Teensy. No external ram- turned out to be too slow to be useful in this application.
    PCB just houses Teensy, DAC, I2C 8bit GPIO expander for the buttons,...
  4. Dirtywave M8 - 8 track Portable synthesizer, sampler, and sequencer

    https://www.youtube.com/watch?v=5_642b0ibro

    Powered by the Teensy 4.0 the M8 is a portable handheld tracker style sequencer featuring 8 stereo tracks with full MIDI support. Instruments can be...
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    Modify the waveforms.py and lookup_tables.py...

    Modify the waveforms.py and lookup_tables.py python scripts included with braids to run at 44.1khz and rerun the script to generate the waveforms and lookup table for "resources.cc"
  6. Okay I figured it out... I think. Some of the...

    Okay I figured it out... I think.

    Some of the cards I have seem to give occasional lame read speeds regardless of how it's formatted and how many bytes are read when it's not perfectly sequential-...
  7. Teensy 4.0 Inconsistent SDIO SD read times

    I am working on a rather large Teensy 4.0 project (it's a portable music tracker / sequencer that will be open source) and hit a minor snag with reading across multiple files.
    Occasionally and...
  8. usbMidi Realtime messages without a callback function

    Currently usbMidi Realtime messages (sync, sequencer start/stop, etc) can only be parsed by the usbMidi class by utilizing a callback function.
    For those of us who do not want or cannot use...
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    Thanks. Yeah, seems to work fine there. Suspect...

    Thanks. Yeah, seems to work fine there. Suspect it's the build process (though it's almost identical) or the version of GCC ARM. :( Unfortunately the Arduino IDE is pretty tedious for large projects....
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    Yeah it looks like some sort of compiler issue....

    Yeah it looks like some sort of compiler issue. If I just declare the rxBuffer in TwoWire as volatile, that also fixes the issue without needing the if statement- it effectively does nothing anyway.
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    Wire Library rxBuffer overflow

    Hello! I think I may have found a bug in Wire.cpp, though it could be a mistake on my end- after debugging and a slight modification to Wire.cpp it seems to fix the issue.

    I am using a large...
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