the_midi_masterpiece

A bunch of stuff related to the Adafruit Neotrellis M4. Buttons.h contains classes for using the buttons in different ways. Accel.h helps to interface with the onboard accelerometer.

Buttons

For all the buttons, turning on sends a CC message with value 127, turning off sends a CC message with value 0.

Latch

A single button that changes state once per press.

Arguments of begin():

• Adafruit_NeoTrellisM4 *x: Neotrellis object

• long int on_color: Color to be shown while button is in on state

• long int off_color: Color to be shown while button is in off state

• byte location: Which physical button on the neotrellis this is

• byte message: CC message corresponding to button

• bool start_state: Should the button start in on or off state

Toggle

A single button who's state is on as long as it is pressed and turns off when released.

Arguments of begin():

• Adafruit_NeoTrellisM4 *x: Neotrellis object

• long int on_color: Color to be shown while button is in on state

• long int off_color: Color to be shown while button is in off state

• byte location: Which physical button on the neotrellis this is

• byte message: CC message corresponding to button

Knob

TODO: explain this (implementation will probibly still change)

MultiCC

Use various buttons to send a CC message where the value corresponds to the pressed button.

Arguments of begin():

• Adafruit_NeoTrellisM4 *x: Neotrellis object

• long int *colors: Array of colors for all the buttons

• byte *locations: Array of locations of all the buttons

• byte message: CC message

• byte *presets: Array of values of all the buttons

• byte len: How many buttons there are

Binary

Multiple buttons encoding a binary value.

Arguments of begin():

• Adafruit_NeoTrellisM4 *x: Neotrellis object

• long int *colors: Array of colors for all the buttons

• byte *locations: Array of locations of all the buttons (TODO: check if order is MSB to LSB or vice versa)

• byte len: How many buttons there are

Accel

TODO: explain this

Examples

basicSynth

Basic midi synth. The 8X4 grid is split into a 5X4 and a 3X4 section. Color of pressed keys change over time.

crazyPitches

Controller for this pedalboard running on a mod duo https://pedalboards.moddevices.com//pedalboards/5d87a9bb2564d46f5ae27d19

gameOfLife

Conway's gae of life. TODO: make this also do something musical

pedalBoard

Controller for this pedalboard running on a mod duo https://pedalboards.moddevices.com//pedalboards/5d87a86d2564d46f59dbecef

sequencer1

Step sequencer. It cycles through 8 steps and each step can play 12 notes