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<p>Here's the link to the page in question:</p>
<p><a href="https://elinux.org/Ti_AM33XX_PRUSSv2#PRU_to_external_peripherals" title="Ctrl+Click or tap to follow the link">https://elinux.org/Ti_AM33XX_PRUSSv2#PRU_to_external_peripherals</a></p>
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<p>This page is listed as a work in progress. There's 2 sections stubbed out related to
<strong>External to PRU</strong> and <strong>PRU to External</strong>. I'm looking for info specifically related to this. What I'm wanting to do is perform some bi-directional bit-banging on 8 GPIOs from a PRU. Thus what I need to do is to, on the fly, flip
the pinmux from <strong>Mode_5</strong> and <strong>Mode_6</strong> (as defined in the chart lower in that wiki) so that I can control when the associated GPIOs are routed to
<strong>R30</strong> or <strong>R31</strong>. Obviously the GPIOs can't be in and out at the same time, so I need to be able to control that, in real time, from the PRU.<br>
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<p>But how exactly is this done from within a PRU? I'm assuming it's possible...<br>
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<p>This would be excellent info to include below those two stubbed-out areas mentioned earlier.<br>
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<p>Regards,<br>
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<div style="font-size:13px"><font size="2" face="Arial">Chris Grey<br>
ALC/Firmware</font><font size="2" face="Arial"><br>
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