<p></p>
<p>I can split this into <code>spi_on_qspi.c</code> and <code>spi_on_sercom.c</code> if you want.<br>
I mostly dread now having to write doxygen for the previously internal functions <g-emoji class="g-emoji" alias="sleepy" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f62a.png">😪</g-emoji></p>

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