Hi there, i'm working on the STM32MP157-dk1 development board. I want to communicate with a fingerprint sensor using uart protocol, i found in the web that i have to open a file, i want to know, which file i have to open in the dev folder.

STM32MP157-dk1, UART, file to open, fingerprint sensor

This topic has been closed for replies.

Associate III

I think you should change the serial port state that will correspond in the device tree

KDariAuthor

Associate

thank you very much, we used pinctrl, and rebuilded the kernel STM1 that was dissabled now appeared thank you.

Sign up