CANbus Module

On this page PCIe card functionality is shown. Both Bluetooth and WiFi operations are tested using dual band Intel AC 3160 wireless card. Mini PCI Express slot must provide PCIe and USB signals to support all the features.

Input: None
Output: Device driver is available

root@imx8mq-voipac:~# ip addr show dev can0
3: can0: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UP group default qlen 10
    link/can
root@imx8mq-voipac:~# ip link set can0 type can bitrate 500000
root@imx8mq-voipac:~# ip link set can0 up
root@imx8mq-voipac:~# cansend can0 01a#01020304
interface = can0, family = 29, ty[  434.135862] NOHZ: local_softirq_pending 08
pe = 3, proto = 1
root@imx8mq-voipac:~#
to receive 
root@imx8mq-voipac:~# candump can0

Input: Connect a pair of iMX6 TinyRex Development boards and a couple of dedicated CAN evaluation modules
Output: Boards communicate between each other. Sent messages are received successfully

Board 1 (receiver) commands and outputs:

root@imx6-tinyrexpro:~# ip link set can0 type can bitrate 1000000
root@imx6-tinyrexpro:~# ip link set can0 up
flexcan 2090000.flexcan can0: writing ctrl=0x01232054
root@imx6-tinyrexpro:~# candump can0 &
[1] 833
root@imx6-tinyrexpro:~#   can0  123   [4]  DE AD BE EF

Board 2 (transmitter and receiver) commands and outputs:

root@imx6-tinyrexpro:~# ip link set can0 type can bitrate 1000000
root@imx6-tinyrexpro:~# ip link set can0 up
flexcan 2090000.flexcan can0: writing ctrl=0x01232054
root@imx6-tinyrexpro:~# candump can0 &
[1] 847
root@imx6-tinyrexpro:~# cansend can0 123#DEADBEEF
root@imx6-tinyrexpro:~#   can0  123   [4]  DE AD BE EF