Linux kernel driver for UniSwarm UDT1CR CAN Debugger Tool

Usage

Automatic installation dkms and rules udev:

Clone repository on your local machine:

sudo apt install dkms can-utils
git clone https://github.com/UniSwarm/udt1_linux_driver.git
cd udt1_linux_driver
sudo make run_auto

Plug your UDT on USB port, can0 appear.

candump can0

DKMS method:

sudo make dkms

if UEFI Secure Boot is actived follow instruction:

• Configuring Secure Boot :

  • Ok and enter new pasword
  • reboot

• Perform MOK management :

  • select "Enroll MOK"
  • select "Continue" -> "Ok" -> enter password
  • reboot

Installation rules udev:

sudo make udev_install

To remove all installed files:

sudo make remove_all

Classic method

sudo make modules_install run

if there are error :

make clean
sudo make modules_install run

After that, you can simply connect the debugger to PC with USB B.

Basic SocketCAN usage

To start SocketCAN interface:

sudo ip link set can0 type can bitrate 500000
sudo ip link set can0 up

Install tools:

sudo apt install can-utils

To send CAN frame:

cansend can0 001#DEADBEEF
cansend can0 1000001#DEADBEEF

To dump CAN frames:

candump can0

Supported bus settings

The tool works internally with 80Mhz clock. Following bus speed are supported by default:

• 20 Kbps
• 33.3 Kbps
• 50 Kbps
• 80 Kbps
• 83.3 Kbps
• 100 Kbps
• 125 Kbps
• 150 Kbps
• 175 Kbps
• 200 Kbps
• 225 Kbps
• 250 Kbps
• 275 Kbps
• 300 Kbps
• 500 Kbps
• 625 Kbps
• 800 Kbps
• 1000 Kbps

Note: Bittiming parameters are hardcoded inside device. Only speed can be configured using iproute2 utils.