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How to detect whether a port is connected to an input or output?

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Kamil Kisiel
Posts: 2
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The specifics of this are likely proprietary, but I'm curious if there's a known method to do this.
This product from ESI, https://www.esi-audio.com/products/m4uex/?fbclid=IwAR0_e0jRXIcin4u65ai-kbAK_OHey1Jsy3qipMYsXytYGJKEu3Duxo-QiPM, is able to detect whether a port is connected to a MIDI input or output automatically and switch modes. Does anyone know how this can be achieved?

 
Posted : 26/10/2018 8:28 am
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