3. Install usb Driver

Take driver installation under Windows 10 system as an example.

Step1

Double click to run CviUsbDownloadInstallDriver.exe and select Next until installation is complete

_images/安装usb驱001.png

Fig. 3.1 execute CviUsbDownloadInstallDriver.exe

After the driver installation is complete, the CviDownload tool can be used to flash the firmware. For specific burning steps, please refer to the “cviDownloadTool” section in the “Production Burning User Guide”

Step2

Find a board that has been flashed with u-boot. After entering u-boot, type “cvi_utask vid 0x3346 pid 0x1000” to set the cv18xx board as a device connected to the computer. Open “Device Manager” on the computer, and if a device named “CviUsbDownload” appears under “libusb-win32 devices,” it indicates that the installation is normal.

_images/安装usb驱002.png

Fig. 3.2 Verify if the driver installation is correct

Note

Please refrain from reinstalling the drivers repeatedly.