cores
arduino_midi_library
cores | arduino_midi_library | |
---|---|---|
4 | 20 | |
497 | 1,534 | |
- | 0.4% | |
7.8 | 0.0 | |
16 days ago | 7 months ago | |
C | C++ | |
- | MIT License |
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cores
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Generating specific waveforms with the Teensy 4.1 Help
Start off here: https://github.com/PaulStoffregen/cores/blob/master/teensy4/DMAChannel.h
- Multitasking to Arduino
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Is it possible to build your own Teensy? What's the catch?
Why rewrite what's already open? https://github.com/PaulStoffregen/cores
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Is there a way to Disable Mouse and Keyboard on Teensy LC set as Keyboard/mouse/joystick?
I think "cores/usb_hid/usb.c" might be where to look. It seems that is getting included by code for the old teensy versions. https://github.com/PaulStoffregen/cores/blob/master/usb_hid/usb.c
arduino_midi_library
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Synth wars: The story of MIDI (2023)
That makes me wonder how often one runs across a synth that doesn't support running status. I'm working on a MIDI controller myself, and that's a thing I probably ought to enable if I want the lowest latency.
It seems the standard MIDI libraries that Arduino uses don't enable it by default, but it's a configuration option you can turn on, along with a note not to try to use it with USB[1].
[1] https://github.com/FortySevenEffects/arduino_midi_library/bl...
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Árduino pro mini hid
take a look here
- Arduino atmega 2560 midi out on tx1
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Ask HN: What is the most impactful thing you've ever built?
The Arduino MIDI Library [1]. Back in 2009, I learned C++ to build it and control my guitar effects pedals with custom electronics as part of my engineering degree.
[1] https://github.com/FortySevenEffects/arduino_midi_library
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Help to made a piano midi and cv controller for eurorack (see my comment below).
Your project can be broken up into a number of subprojects. For keyscanning you don't need additional hardware, just the pins from the ribbon cables going to the arduino's digital pins and ground. Since the keys are just switches (two per key, the time difference between the two switches closing giving the source of velocity), you could start with some examples from the Arduino MIDI library (https://github.com/FortySevenEffects/arduino_midi_library). To test MIDI sending you don't even need to start from the keybed just yet, and if you do, you can start with a single key. Once you've got that part figured out end to end (key press/release generates note on/off events) you can work on iterating through the matrix, CC controls etc. MIDI out can be done in different ways. With a 5 pin DIN plug you'd just need two 220 ohm resistors.
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What frequency should a timer interrupt be to receive MIDI messages?
On an Arduino compatible platform the configuration of the baud rate at the bare metal layer is taken care of by the library when you call its begin() method. Looking at the example code included with the library it appears that there are no timer interrupts or anything like that required of you in order to use it. Another thing that jumps out is that the call to read() returns a non-zero value if anything has been received that you should use to predicate whether any further attention needs to be spent on it by your code. You may know this but it wasn't apparent from the loop() { MIDI.read\`() }` example that you gave above.
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FastLED run Parallel & Simultan multiple Led Strips
As i have started to combine this with Midi Implementation from FourtySevenEffects lib, i only have done a quick test with two/three strips and did discover follwing issue(s):
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Reading MIDI stream
Using a library for the midi shield you can register two functions as callbacks. One callback for NoteOn(...) messages and one for NoteOff(...) messages. But thre is much more. In the end the source of truth should always be the docs for the library itself.
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Is it possible to build your own Teensy? What's the catch?
Click the link to github (second link in the article) and there's all the source code: https://github.com/FortySevenEffects/arduino_midi_library
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Looking for the smallest possible MIDI hardware (end purpose: momentary pitch shifting)
Here’s a library that might work.
What are some alternatives?
embassy - Modern embedded framework, using Rust and async.
Control-Surface - Arduino library for creating MIDI controllers and other MIDI devices.
avr-hal - embedded-hal abstractions for AVR microcontrollers
FastLED_examples - FastLED example code, tests, demos, etc
rtic - Real-Time Interrupt-driven Concurrency (RTIC) framework for ARM Cortex-M microcontrollers
Arduino-AppleMIDI-Library - Send and receive MIDI messages over Ethernet (rtpMIDI or AppleMIDI)
proto_activities - Using Protothreads for Synchronous Programming in C
arduino-midi-recorder - Let's build an Arduino-based MIDI recorder!
FastLED - The FastLED library for colored LED animation on Arduino. Please direct questions/requests for help to the FastLED Reddit community: http://fastled.io/r We'd like to use github "issues" just for tracking library bugs / enhancements.
midi2cv - Arduino-based MIDI to CV converter
HelloDrum-arduino-Library - This is a library for making E-Drum with arduino.
vgmtrans - VGMTrans - a tool to convert proprietary, sequenced videogame music to industry-standard formats