ADAU1452 debugging problem in sigmatudio

hi

1, I want use external Key or adjustable potentiometer via Gpio to control some function. But loss Module(Gpio conditionning) of treetoolbox in sigmastudio.

2. Digital SPDIF: Input digital SPDIF TX,Only set option copy form SPDIF receiver(Red) ability have ouput in digital signal. see attached chart.

3. SPDIF input unable control form volume controls and other.

4. No SPDIF output form anlog signal at sigmadsp channels 0--1 or 16--17.

Please help to slove these problem for ADAU1452. Thank a lot.

Audio Signal Processors

adau1452

SigmaDSP Audio Processors