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KevinOConnor
2022-06-20 16:47:58 +00:00
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Measuring_Resonances.html
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@@ -1598,20 +1598,20 @@ from the printer frame. Failing to ensure that can create a ground loop in
the system that may damage the electronics.</p>
<h3 id="software-installation">Software installation<a class="headerlink" href="#software-installation" title="Permanent link">&para;</a></h3>
<p>Note that resonance measurements and shaper auto-calibration require additional
software dependencies not installed by default. First, you will have to run on
your Raspberry Pi the following command:</p>
software dependencies not installed by default. First, run on your Raspberry Pi
the following commands:</p>
<div class="highlight"><pre><span></span><code>sudo apt update
sudo apt install python3-numpy python3-matplotlib libatlas-base-dev
</code></pre></div>
<p>Next, in order to install NumPy in the Klipper environment, run the command:</p>
<div class="highlight"><pre><span></span><code>~/klippy-env/bin/pip install -v numpy
</code></pre></div>
<p>to install <code>numpy</code> package. Note that, depending on the performance of the
CPU, it may take <em>a lot</em> of time, up to 10-20 minutes. Be patient and wait
for the completion of the installation. On some occasions, if the board has
too little RAM, the installation may fail and you will need to enable swap.</p>
<p>Next, run the following commands to install the additional dependencies:</p>
<div class="highlight"><pre><span></span><code>sudo apt update
sudo apt install python3-numpy python3-matplotlib
</code></pre></div>
<p>Note that, depending on the performance of the CPU, it may take <em>a lot</em>
of time, up to 10-20 minutes. Be patient and wait for the completion of
the installation. On some occasions, if the board has too little RAM
the installation may fail and you will need to enable swap.</p>
<p>Afterwards, check and follow the instructions in the
<a href="RPi_microcontroller.html">RPi Microcontroller document</a> to setup the
"linux mcu" on the Raspberry Pi.</p>
@@ -1632,7 +1632,9 @@ probe_points:
<p>It is advised to start with 1 probe point, in the middle of the print bed,
slightly above it.</p>
<p>For the MPU-9250:</p>
<p>For the MPU-9250, make sure the Linux I2C driver is enabled and the baud rate is
set to 400000 (see <a href="RPi_microcontroller.html#optional-enabling-i2c">Enabling I2C</a>
section for more details). Then, add the following to the printer.cfg:</p>
<div class="highlight"><pre><span></span><code>[mcu rpi]
serial: /tmp/klipper_host_mcu