Using the I2S interface

[georgiy.lutsenko]

Hello

I have a custom board where I need to use the I2S interface, namely I2S0 [193, 195, 197, 199].
I’m interested in activating this interface
Also, are there any examples of using this interface (activation and configuration) from Nvidia in C/C++?

[ShaneCCC]

You can use jetson-io to configure the I2S pins.
Suppose should be able find some relative topic by search in forum.

Thanks

[georgiy.lutsenko]

I have a problem with my jetson-io. I don’t have the “Configure 40-pin expansion connector” option, I only see the csi connector setting.

[ShaneCCC]

Looks like your Nano is emmc version that don’t support configure 40 pins by jetson-io. You may need to modify the device tree manually.

[georgiy.lutsenko]

I just installed the SD card module and ran the command:

sudo /opt/nvidia/jetson-io/jetson-io.py

but the program started and immediately closed

[ShaneCCC]

Try below

Not able to run jetson-io.py

Ok I ran a pdb trace on the jetson-io script in the official r32.3.1 image (not via SDK Manager) and found that a silent error that wasn’t getting printed relating to the No DTB found for NVIDIA Jetson Nano Developer Kit! error illustrated in the second part of the troubleshooting guide. To raise this error, just run python 3 in the /opt/nvidia/jetson-io and try to import the board file there from Jetson import board. Running board.Board() will raise the error. So basically if you are running s…