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Trill_SC

Trill UGens for SuperCollider on the Bela

Trill Project Links

How to Install

To install the Trill UGens you'll need to do a bit of work at the command line.

  1. First copy the Trill_SC repository over to your Bela using the provided update.sh script.
your.pc> ./update push -n

You can alternatively use scp

your.pc> scp -r Trill_SC root@192.168.7.2:
  1. SSH into your Bela (make sure it's connected to your PC)
your.pc> ssh root@192.168.7.2
  1. Make a symbolic link inside the SuperCollider extensions directory to the UGen files. *nice to know: on Linux the extensions directory is ~/.local/share/SuperCollider/Extensions
bela> ln -s ~/Trill_SC/ext/Trill ~/.local/share/SuperCollider/Extensions
  1. (Not required) Make symbolic links to all the example projects.
bela> ln -s ~/Trill_SC/BelaProjects/* ~/Bela/projects/

Troubleshooting

Trill Not Detected

Errors like these:

Unexpected or no response.
No valid device connected.
1
Unable to identify device

and

Failed to prepare Trill data collection
Failure to read Byte Stream

Check your I2C devices on the Bela:

root@bela:~# i2cdetect -r 1
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-1 using read byte commands.
I will probe address range 0x03-0x77.
Continue? [Y/n] y
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- 18 -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

This indicates an I2C device on address 0x18

root@bela:~# i2cdetect -r 1
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-1 using read byte commands.
I will probe address range 0x03-0x77.
Continue? [Y/n] Y
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- 38 -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

This indicates an I2C device on address 0x38