bring up can, readme

This commit is contained in:
Jakob Meier 2020-11-25 09:19:51 +01:00
parent 9d092edda4
commit 81ae5ea167

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@ -186,11 +186,27 @@ systemctl status example
````
More detailed information about the used q7s commands can be found in the Q7S user manual.
### Update file in rootfs
### Bringing up CAN
````
writeprotect 0 0 0 # qspi0 nom unlock (see also Q7S user manual)
ip link set can0 down
ip link set can0 type can loopback off
ip link set can0 up type can bitrate 1000000
````
Following command sends 8 bytes to device with id 99 (for petalinux)
````
cansend can0 -i99 99 88 77 11 33 11 22 99
````
For Q7S use this:
````
cansend can0 5A1#11.22.33.44.55.66.77.88
````
Turn loopback mode on:
````
ip link set can0 type can bitrate 1000000 loopback on
````
Reading data from CAN:
````
candump can0
````
### Setting up UNIX environment for real-time functionalities