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调试can的时候,用自己编译生成的rootfs.tar.bz2,调试成功,用官网的ubuntu调试结果如下:
root@linaro-ubuntu-desktop:~# dmesg | grep can
vcan: Virtual CAN interface driver
flexcan netdevice driver
flexcan imx6q-flexcan.0: device registered (reg_base=c0a50000, irq=142)
can: controller area network core (rev 20090105 abi 8)
can: raw protocol (rev 20090105)
can: broadcast manager protocol (rev 20090105 t)
flexcan imx6q-flexcan.0: writing ctrl=0x0e312005
root@linaro-ubuntu-desktop:~# ifconfig can0 up
root@linaro-ubuntu-desktop:~# ifconfig can0
can0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
UP RUNNING NOARP MTU:16 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:10
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:142
root@linaro-ubuntu-desktop:~# cantest can0 1F334455#1122334455667788
No command 'cantest' found, did you mean:
Command 'cpantest' from package 'libtest-reporter-perl' (universe)
Command 'captest' from package 'libcap-ng-utils' (universe)
cantest: command not found
root@linaro-ubuntu-desktop:~#
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