Electrical Engineering Asked by Radiofreak1041 on December 22, 2020
I have put a FTDI FT232RL onto a PCB to control a Microcontroller via USB. It’s working fine. When I connect the board to my Windows 10 PC, the FT232RL is recognized as USB Serial Port (COMx).
I want to customize this name. I downloaded the FTDI FT_Prog utility, in which I could change the Product Description, Manufacturer etc. I successfully wrote the changes to the EEPROM according to FT_Prog.
This website described the exact procedure to follow, which I did, but in the Device Manager the name does not change (nor after reboot). I also checked the device name on a Ubuntu 18.04 device by running ltusb, but my custom name is not showed there either.
Can someone tell me if it is even possible to change this name on the chip side, without changing any local drivers? And if it is possible, how to do it?
The OS selects a driver based on the VID and PID that it reads from the device, and it is the driver that determines what is displayed in the user interface.
In order to change it, you would need both a different PID and a modified driver. Probably not worth the effort.
Answered by Dave Tweed on December 22, 2020
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