I'm currently working on an audio frontend, using the ADAU1452 and the AD1939. The AD1939 is connected to the master control port of the ADAU1452.
The AD1939 should be configured during startup with the "startup boot" control block.
I generated the XML configuration file like explained in an older forum question (https://ez.analog.com/dsp/sigmadsp/f/q-a/65869/adau1452-master-control-port).
I used following control port properties:
- SPI Mode 3
- Target Bitrate: 10kHz
- Sub-Address Bytes: 1
- Command Length: 1
- Write Instruction: 8
Unfortunately the properties page doesn't look like the old one, so I'm not entirely sure that the settings are right.
For a first test I used a "sine tone" control block and connected it to output 0/1.
I checkt the output signal with an oscilloscope, but couldn't get a signal. Checking the I2S and SPI signals showed that they are present.
I'm not sure if the configuration of the ADAU1452 or the AD1939 is wrong or if I made a mistake in the hardware design.
Could you offer a software example for the ADAU1452 controlling the AD1939 to compare with my configuration?
Thank you very much