Search found 73 matches

by yes2i2s
Tue Apr 10, 2018 9:30 am
Forum: Development Tools and Programming
Topic: S/PDIF IN - multi channel dev board
Replies: 8
Views: 4697

Re: S/PDIF IN - multi channel dev board

Decided to try this instead, use a DPDT mini switch and a DIR9001 chip with following modes, in case anyone finds this useful: I will test this tonight with the eval boards for each. Mode 1: Ground DIR9001 reset pin Ground GND pin of xmos PLL to boot it's clocks Connect RCA socket to XMOS SPDIF out ...
by yes2i2s
Mon Apr 09, 2018 10:30 am
Forum: Development Tools and Programming
Topic: S/PDIF IN - multi channel dev board
Replies: 8
Views: 4697

Re: S/PDIF IN - multi channel dev board

I see I am quoting the same app ref you guys already mention, sorry!

So yes I have the USB firmware, and the SPDIF app note, it's just fusing the two somehow.
by yes2i2s
Mon Apr 09, 2018 10:22 am
Forum: Development Tools and Programming
Topic: S/PDIF IN - multi channel dev board
Replies: 8
Views: 4697

Re: S/PDIF IN - multi channel dev board

This basically does exactly what is needed, but I am under the impression that it puts USB audio out of the equation. http://www.xmos.com/jp/download/private/AN00231%3A-SPDIF-Receive-to-I2S-output-using-Asynchronous-Sample-Rate-Conversion%281.0.1rc1%29.pdf If I can do this but not loose USB input ca...
by yes2i2s
Mon Apr 09, 2018 8:55 am
Forum: XMOS Devices
Topic: XE216-512-TQ128 HID Play, Stop Volume...
Replies: 7
Views: 11442

Re: XE216-512-TQ128 HID Play, Stop Volume...

Okay so I am using the XMOS dev board, but designing my own PCB based on that reference design, so pin wise I can use any available I/O's I can't say I actually know any more. From the documentation, it gave the impression that the media controls are already configured, you just need to set the HID_...
by yes2i2s
Fri Apr 06, 2018 2:56 pm
Forum: Development Tools and Programming
Topic: S/PDIF IN - multi channel dev board
Replies: 8
Views: 4697

Re: S/PDIF IN - multi channel dev board

Is this achievable with the ASRC? Basically it must have been expected that you'd use the existing clock system on the board, as it was placed on the PCB without any PLL on the SPDIF in. Can the USB audio and SPDIF (with ASRC) adhere to the MCLK already on the board, be both software mixed on chip, ...
by yes2i2s
Fri Apr 06, 2018 9:16 am
Forum: XMOS Devices
Topic: XE216-512-TQ128 HID Play, Stop Volume...
Replies: 7
Views: 11442

Re: XE216-512-TQ128 HID Play, Stop Volume...

Thanks for the links and information.

So for:

0 Play/Pause
1 Scan Next Track
2 Scan Prev Track
3 Volume Up
4 Volume Down
5 Mute

I need 6 push buttons, I could edit that code and add buttons, but how do I assign them to the said bit functions of those HID controls?

Thanks!
by yes2i2s
Fri Apr 06, 2018 9:13 am
Forum: Development Tools and Programming
Topic: S/PDIF IN - multi channel dev board
Replies: 8
Views: 4697

Re: S/PDIF on multi channel dev board

Thank you very much. I can see the principles of how this could work, I just need directions / examples on implementing it as I am not a thoroughbred xmos software dev, more of an Altium designer that reworks firmware to suit :) Would another option be to have these two inputs always 'mixed'. So you...
by yes2i2s
Thu Apr 05, 2018 6:45 am
Forum: Development Tools and Programming
Topic: Is this cut-down okay?
Replies: 8
Views: 16030

Re: Is this cut-down okay?

Coincidentally I am using these in the design elsewhere already, will they suffice for filtering on the USB lines also?

https://www.digikey.co.uk/product-detai ... -ND/806753
by yes2i2s
Thu Apr 05, 2018 6:17 am
Forum: XMOS Devices
Topic: XE216-512-TQ128 HID Play, Stop Volume...
Replies: 7
Views: 11442

Re: XE216-512-TQ128 HID Play, Stop Volume...

But nowhere can I find which pins on the XE216-512-TQ128 these bit's will be mapped to, and what electrical state they need to be in to activate. Or are these mappings not even present? Basically in this product I want an available SPDIF input (I made another thread for that one), and host media pla...
by yes2i2s
Thu Apr 05, 2018 6:13 am
Forum: XMOS Devices
Topic: XE216-512-TQ128 HID Play, Stop Volume...
Replies: 7
Views: 11442

Re: XE216-512-TQ128 HID Play, Stop Volume...

I read that the following is required to tell the firmware that you want this functionality: This functionality is enabled by setting the HID_CONTROLS define to 1. Setting to 0 disables this feature. When turned on the following items are enabled: 1. HID descriptors are enabled in the Configuration ...