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Redeem is the Replicape Daemon that accepts G-codes and turns them into coordinates on your 3D-printer. It's similar to Marlin and Teacup, only it's taylor made for Replicape and it's written in Python.

Software features:

  • Accelleration with corner speed prediction.
  • Printer settings loaded from file
  • Controllable via OctoPrint, ethernet, USB, Manga Screen (Toggle on 4.3" LCD).

Redeem documentation on the wiki

Installation:

Complete Debian based eMMC flasher image

Most users should probably use the Kamikaze CNC image, it is a complete BeagleBone eMMC flasher image that comes with Redeem.

Debain package

If you have a different Debian distro, you can use the .deb packages form the thing-printer feed:

wget -O - http://kamikaze.thing-printer.com/apt/public.gpg | apt-key add -
echo "deb [arch=armhf] http://kamikaze.thing-printer.com/apt ./" >> /etc/apt/sources.list
apt-get update
apt-get install redeem

Installation from source

Requirements

These instructions assumes you have a kernel with a cape manager, meaning kernel > 4.

Installation

You can clone this repository directly on your BBB:

ssh [email protected]
cd /usr/src  
git clone https://[email protected]/intelligentagent/redeem.git

For Debian, install swig, python-smbus:
apt-get install swig python-smbus

Compile the native path planner module:

cd /usr/src/redeem/
python setup.py install  
mkdir /etc/redeem
cp configs/* /etc/redeem
cp data/* /etc/redeem

Device tree overlay

Get and compile the device tree overlay.
For Kernel 4.1, see the instructions for the new cape overlay repository

Disable HDMI with sound (will load HDMI without sound):

For post uboot v2014.07/v2014.10/v2015.01 images nano /boot/uEnv.txt

Change this line:
#cape_disable=capemgr.disable_partno=BB-BONELT-HDMI to cape_disable=capemgr.disable_partno=BB-BONELT-HDMI

Reboot

After a reboot, you should see a the cape firmware load:
dmesg | grep -i replic

Enable the redeem service:

Change startup script location

If you have the Debian package based version installed along side, you have to change the startup script from /usr/bin to /usr/local/bin:

nano /lib/systemd/system/redeem.service
systemctl daemon-reload
systemctl restart redeem

If you do not have the file "/lib/systemd/system/redeem.service" instlled: First modify the redeem.service file to update redeem 'binary' location. Since the software was sintalled form source, it is added to /usr/local nano /usr/src/redeem/systemd/redeem.service

Edit line ExecStart=/usr/bin/redeem to ExecStart=/usr/local/bin/redeem

Copy redeem systemd startup script into place, enable it for startup on boot and start it now.

cp /usr/src/redeem/systemd/redeem.service /lib/systemd/system/redeem.service  
systemctl enable redeem.service  
systemctl start redeem.service

Development:

Try to be PEP8 compliant: http://legacy.python.org/dev/peps/pep-0008/

Locating files

Do an "updatedb" and then "locate Redeem.py". It should give you the location. Please note that if you install from source, the files will have a different location than if you install from a deb package. /usr/lib vs. /usr/local/lib/.

Making firmware changes

As for the firmware files (the code that runs on PRUSS), they are moved to /tmp during compilation, but should reside in a sub directory from Redeem.py before compilation. A recompile of the firmware can be triggered by touching /et/redeem/local.cfg

Contributors

Elias Bakken Mathieu Monney Daryl Bond

Install Redeem on Debian 8.3 (WIP)

  • Disable universal cape manager nano /boot/uEnv.txt delete cape_universal=enable
  • Download and install Replicape firmware git clone https://github.com/eliasbakken/bb.org-overlays cd bb.org-overlays/ ./dtc-overlay.sh ./install.sh
  • Manual installation of redeem from feed
  • Disable logging to file nano /etc/redeem/local.cfg
  • Disable loading overlays nano /opt/source/adafruit-beaglebone-io-python/source/spimodule.c
  • Install socat
  • Install octoprint
  • Install python-octoprint-redeem