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Hosting a USB -> RS232 on STM32

Question asked by ellis.andrew.001 on Jul 9, 2015
Latest reply on Jul 9, 2015 by ellis.andrew.001

I have a project where I need to host a CDC on an STM32F microcontroller.
The usarts are in use hence the need for the CDC.

I have found library code from STs cube in
which configures the USB to host a CDC. The problem I have is making my application talk to the device.
Obviously when a USB to serial adapter is connected to a windows PC, a COMx
interface is created which can then be connected to by an application.
What I'm not clear on is how I would make the firmware in my STM32 talk to
the CDC so that serial data can be passed to a connected serial device.
I have spent a lot of time searching for examples on this issue, but have not found any.

Can someone give me some hints on how to connect to the CDC device