Can't find device when the Vendor ID and Product ID are correct.

[VoLinhTruc]

I get the error when flash program to CH551. I check the device's Vendor ID and Product ID that are matched in the source file But I don't know why I still get the error.

I try to use makefile to make a new release but make tell me the error.

I have no experiment with makefile, so if possible, please update a new release.

[ole00]

The software is trying to use libusb-1.0 library to communicate over USB. You many want to install Zadig drivers (https://zadig.akeo.ie/) first. The compilation error is a bit cryptic - could you check which compiler you use? Try: cc --version