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USBi protocol

Question asked by esmil on Jun 18, 2018

I've written a standard USB "soundcard" for a microcontroller that I'm planning to use on an amplifier board with an Analog Devices DSP, and I thought it would be neat if I could program the DSP over the same USB port.

 

I see you've opensourced the sigma-tcp code, so it seems like you don't mind independent implementations of programmers for your DSPs that can talk to SigmaStudio, but I can't seem to find any documentation on the USBi protocol.

 

As far as I can tell it simply sends some vendor-specific requests to endpoint 0 on the device, that probably maps directly to SPI and/or I2C transactions, but it would be really nice to have a little documentation of this.

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