sama5d36 can0 can1 测试

１　删除/bin/ip

       保留/sbin/ip

２　ip link set can0 type can bitrate 125000

       ip link set can1 type can bitrate  125000

3    ifconfig can0 up

      ifconfig can1 up

4   ip link show

$2: can0: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UNKNOWN mode DEFAULT group default qlen 10
link/can
$3: can1: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UNKNOWN mode DEFAULT group default qlen 10
link/can

5 can0-----can1 loop测试

e.g. 5A1#11.2233.44556677.88 / 123#DEADBEEF / 5AA# / 123##1 / 213##311
1F334455#1122334455667788 / 123#R for remote transmission request.

# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88
# cansend can1 5A1#11.2233.44556677.88

6 

# candump can0
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88
can0 5A1 [8] 11 22 33 44 55 66 77 88