| Feature | Old Driver (Legacy) | New Driver (2024/25) | | :--- | :--- | :--- | | | 1 Mbps (unstable above 800k) | Stable 1 Mbps, experimental 5 Mbps (FD frames) | | Buffer Depth | 1000 frames per second | 8000+ frames per second without drop | | OS Support | Windows 7, 8, 10 (32/64bit) | Windows 11, ARM64, Linux Kernel 6.x, macOS Ventura+ | | API Library | Proprietary VCI | Unified SYSX-CAN (SocketCAN compatible) | | Timestamp Resolution | 1 ms | 100 µs (microsecond) | | Plug & Play | Required manual COM port mapping | True PnP with automatic instance numbering |
# 1. Download the new driver source from GitHub (official mirror) git clone https://github.com/chuangxintech/linux-usbcan-new.git cd linux-usbcan-new make clean make 3. Install the module sudo make install sudo depmod -a 4. Load the new driver sudo modprobe cxt_usbcan_new 5. Attach your device – it should appear as can0 ip link set can0 up type can bitrate 500000 candump can0 chuangxin tech usbcan driver new
The new driver ships with a python/cxt_usbcan.py module. Example: | Feature | Old Driver (Legacy) | New
If you see no such device , run lsusb and verify the vendor ID is 1d50 with product ID 606f (new driver version) vs 606e (old). The new driver requires the 606f firmware. New API Features for Developers If you are a software developer integrating the chuangxin tech usbcan driver new into your application, note the updated API functions (C/C++ header cxt_can_api_new.h ): Load the new driver sudo modprobe cxt_usbcan_new 5