MIN_FREQ and DEFAULT_FREQ Ignored in USB Audio

Sub forums for various specialist XMOS applications. e.g. USB audio, motor control and robotics.
tbjr6
Member
Posts: 13
Joined: Sun May 20, 2018 2:41 pm

MIN_FREQ and DEFAULT_FREQ Ignored in USB Audio

Post by tbjr6 »

Hi.

I am trying to do UAC2 to i2s, which is working fine for the most part. I have included the following in my customdefines.h:

Code: Select all

#define MAX_FREQ            (192000)
#define MIN_FREQ            (192000)
#define DEFAULT_FREQ        (192000)
The max frequency changes properly, but when I change the minimum frequency and default frequency nothing changes. I do want this card rate-locked to 192K, but it seems that no matter what I set the values to it comes up the same in Windows. I have also tried changing the device PID each compile just to make sure Windows wasn't reusing config data. This is a custom board based on the Multichannel audio reference design
Screenshot 2021-04-11 110942.jpg
It shows like this no matter what these values are set to
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tbjr6
Member
Posts: 13
Joined: Sun May 20, 2018 2:41 pm

Post by tbjr6 »

I take it no one has encountered this or is willing to test on their hardware