eive/eive-obsw
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bring up can, readme

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Jakob Meier 2020-11-25 09:19:51 +01:00
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README.md
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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. More detailed information about the used q7s commands can be found in the Q7S user manual.
### Bringing up CAN
### Update file in rootfs
```` ````
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 ### Setting up UNIX environment for real-time functionalities