==== USB2CAN ====
<wrap right>
{{:interfaces:usb2can.jpg?100}}
\\ \\
{{:interfaces:candev.jpg?100}}
</wrap>

===Install===

To install the driver you must build the kernel module

It can be found in

<code>
Networking Support ->
 CAN bus subsystem support ->
  CAN Device Drivers ->
   CAN USB interfaces ->
     <M> 8 devices USB2CAN interface
</code>

lsusb

<code>
Bus 001 Device 015: ID 0483:1234 STMicroelectronics USB2CAN converter
</code>

dmesg

<code>
CAN device driver interface
can0: firmware: 1.5, hardware: 1.0
usbcore: registered new interface driver usb_8dev
</code>
=== Configure ===
<code>
modprobe usb_8dev
ip link set can0 up type can bitrate 250000
ip link set can0 txqueuelen 1024
ip -s -d link show can0
</code>

===Termination===

There is no termination resistor in the USB2CAN and 120 ohms can
be placed within the female plug housing between CANH and CANL. 

=== Test ===

<code>
apt install can-utils
</code>

Host 1

<code>
candump can0
</code>

Host 2

<code>
cansend can0 123#DEADBEEF
cangen can0
</code>

=== Pinout ===

DB9 male socket

<code>
1 2 3 4 5
 6 7 8 9

STANDARD
2 CAN L
3 GND
6 GND
7 CAN H
</code>

=== Upgrade ===

Install dfu-util from source.

==dfu-util==

<code>
dfu-util -V
dfu-util 0.11-dev
</code>

==Flash==

Hold down button with a paper clip, or more easily prise
open case and press the button with a thumb  and insert
device in usb port.

When upgrading omit the device ID because the firmware is
for product id 0.

<code>
sudo dfu-util -D usb2can_1_7.dfu
</code>

==dmesg==

<code>
new full-speed USB device number 24 using dwc_otg
New USB device found, idVendor=0483, idProduct=1234, bcdDevice= 1.00
New USB device strings: Mfr=1, Product=2, SerialNumber=3
Product: USB2CAN converter
Manufacturer: edevices
SerialNumber: ED000200
usb_8dev can0: firmware: 1.7, hardware: 1.0
</code>

=== Resources ====

[[http://www.8devices.com/usb2can|Product page]]

[[https://www.8devices.com/media/products/usb2can/downloads/usb2can_user_guide.pdf|User manual]]

[[https://www.8devices.com/media/products/usb2can/downloads/usb2can_datasheet.pdf|Datasheet]]

[[https://www.8devices.com/media/products/usb2can/downloads/usb2can_schematics.pdf|Schematic]]

/*
[[https://web.archive.org/web/20160825184358/http://www.netduino.com/downloads/dfusedemo_3.0.3.zip|Windows DFU]]
*/

[[https://www.8devices.com/media/products/usb2can/downloads/usb2can_1_7.zip|Last firmware]]