SPI demo doesn't work

Which Khadas SBC do you use?

VIM3 Pro

Which system do you use? Android, Ubuntu, OOWOW or others?


Which version of system do you use? Khadas official images, self built images, or others?


Please describe your issue below:

I followed the doc of SPI to run demo code. But the output seems to be empty, when I open the output file, the content is with ^@^@^@^@.

Post a console log of your issue below:


Hello @JJ1997

@ivan.li will help you there.

Hello @ivan.li, do you have any information about this issue? Thanks in advance.

It really is as you described it, and I’ll take some time tomorrow to sort it out