Difference between revisions of "DESK-XZ7-L/Peripherals/CAN"
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| − | |style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#ededed; padding:5px; color:#000000"| | + | |style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#ededed; padding:5px; color:#000000"|2024/01/23 |
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Revision as of 09:23, 26 January 2024
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| 2024/01/23 | DESK-XZ7-L-1.0.1 release | ||
Contents
Peripheral CAN[edit | edit source]
CAN is routed through the PL using the xxxxxxxxxx Vivado project.
Accessing the peripheral[edit | edit source]
Linux messages at boot time[edit | edit source]
root@bora:~# dmesg | grep -i can [ 0.545770] CAN device driver interface [ 0.752012] can: controller area network core [ 0.761010] can: raw protocol [ 0.763989] can: broadcast manager protocol [ 0.768236] can: netlink gateway - max_hops=1
Enable the interface and check status[edit | edit source]
The following commands can be issued from command line in order to send and receive CAN frames:
root@bora:~# canconfig can0 stop can0 state: STOPPED root@bora:~# canconfig can0 bitrate 500000 can0 bitrate: 500000, sample-point: 0.875 root@bora:~# canconfig can0 start can0 state: ERROR-ACTIVE root@bora:~# candump can0 & [1] 298 root@bora:~# interface = can0, family = 29, type = 3, proto = 1
Usage with can-utils[edit | edit source]
root@bora:~# cansend can0 -i 0x7ff 00 01 02 03 04 05 06 07 interface = can0, family = 29, type = 3, proto = 1 <0x7ff> [8] 00 01 02 03 04 05 06 07 <0x000> [8] ff fe fd fc fb fa f9 f8 root@bora:~# cansend can0 -i 0x7ff 00 01 02 03 04 05 06 07 interface = can0, family = 29, type = 3, proto = 1 <0x7ff> [8] 00 01 02 03 04 05 06 07 <0x000> [8] ff fe fd fc fb fa f9 f8 root@bora:~# cansend can0 -i 0x7ff 00 01 02 03 04 05 06 07 interface = can0, family = 29, type = 3, proto = 1 <0x7ff> [8] 00 01 02 03 04 05 06 07 <0x000> [8] ff fe fd fc fb fa f9 f8 root@bora:~#
