Hello I want to run spi test by connecting spi1 and spi3 of jetson xavier nx board. Before connecting spi1-spi3, I connected spi1’s MOSI-MISO (spi3’s MOSI-MISO) and tested with the spidev_test.c example to confirm that tx rx works well for both spi1 and spi3. (Currently jetson xavier nx board has…

@_JJANG Make below as a script, below is my test pass result. sudo ./spidev_test -D /dev/spidev2.0 -s8000000 -g512 -b32 -H -p0 -n1 -r & sleep 5 sudo ./spidev_test -D /dev/spidev0.0 -s8000000 -g512 -b32 -H -p0 -n1 -zzz -t nvidia@dhcp-10-19-107-152:~$ sh spi1.sh Disabling receive using device: …

How to set to spi slave mode

Autonomous Machines Jetson & Embedded Systems Jetson Xavier NX

ShaneCCC October 7, 2020, 5:54am 7

Have devmem2 to read those REG to confirm the setting.