USBMSD and USBSerial Simultaneously

[boraozgen (Bora Özgen)]

Composite USB devices are not supported.

Previous discussion:

Multiple USB components

Hello. Is it possible to have multiple USB components at the same time? If yes, what do I need to change in the following program to make it work? I attempted to create a USBMSD device first, it works, and that the Linux host to which the device (a MakerDiary dev board) sees the MSD. Then I add USBSerial to the program, and neither work even when I just instantiate the USBSerial. The error I see on the serial console is: ++ MbedOS Error Info ++ Error Status: 0x80FF0144 Code: 324 Module: 25…