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KevinOConnor 2022-06-20 16:47:58 +00:00
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21
RPi_microcontroller.html
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@ -1155,6 +1155,13 @@
Optional: Enabling SPI
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<li class="md-nav__item">
<a href="#optional-enabling-i2c" class="md-nav__link">
Optional: Enabling I2C
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@ -1315,6 +1322,13 @@
Optional: Enabling SPI
</a>
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<li class="md-nav__item">
<a href="#optional-enabling-i2c" class="md-nav__link">
Optional: Enabling I2C
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@ -1402,6 +1416,13 @@ following the instructions in
<p>Make sure the Linux SPI driver is enabled by running
<code>sudo raspi-config</code> and enabling SPI under the "Interfacing options"
menu.</p>
<h2 id="optional-enabling-i2c">Optional: Enabling I2C<a class="headerlink" href="#optional-enabling-i2c" title="Permanent link">&para;</a></h2>
<p>Make sure the Linux I2C driver is enabled by running <code>sudo raspi-config</code>
and enabling I2C under the "Interfacing options" menu.
If planning to use I2C for the MPU accelerometer, it is also required
to set the baud rate to 400000 by: adding/uncommenting
<code>dtparam=i2c_arm=on,i2c_arm_baudrate=400000</code> in <code>/boot/config.txt</code>
(or <code>/boot/firmware/config.txt</code> in some distros).</p>
<h2 id="optional-identify-the-correct-gpiochip">Optional: Identify the correct gpiochip<a class="headerlink" href="#optional-identify-the-correct-gpiochip" title="Permanent link">&para;</a></h2>
<p>On Raspberry Pi and on many clones the pins exposed on the GPIO belong
to the first gpiochip. They can therefore be used on klipper simply by