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-   -   XMOS-based Asynchronous USB to I2S interface (https://www.diyaudio.com/forums/digital-line-level/188902-xmos-based-asynchronous-usb-i2s-interface.html)

Lorien 19th September 2020 03:56 PM

Quote:

I've also upgraded firmware and didn't notice anything strange on linux and windows.
Thank you for confirmation!
Quote:

Lorien, what is the best way to detect DSD signal on waveio's pins, in order to switch dac mode? Can I use LED pins for that?
I'm working on it but for now I'm trying to make the LEDs to display the sample rate in a 'stable' form. After it's finish I'll make WaveIO to output a signal for DSD / DoP mode!
Actual firmware does not show you when DSD / DoP is enabled (for now)!
What signals do you need and on what voltage level should be active (High/Low)?

ljufa 19th September 2020 04:46 PM

Great! High 3.3 or 5v will be ok. Anything will work actually as I'm using gpio. If you don't have physical pins available combination of multiple pins is also fine.

Lorien 20th September 2020 05:41 PM

I cannot send 5V signals out of XMOS processor since the I/O buffers are working with 3.3V.

Quote:

If you don't have physical pins available combination of multiple pins is also fine
We'll see how it goes! I was considering the same option since all the 1-bit signals are "taken" by the PCM LEDs (and those aren't all!) so combination of pins is a fastest solution to this problem.
I'll announce here when a beta firmware is available for testing!
L


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