Problem identification USB CDC Device

[vlr]

Posted on October 13, 2015 at 15:15

Hi, I'm using STM32f407 for a USB project. I use CDC class (STM32_USB_Device_Library) for implementing USB device on my OLIMEX EVAL board.

When I connect my board to PC, it appear as VCP, as shown in the figure attached (1). It's correct? My

usbd_desc.c

and

usbd_cdc.c

  are attached. Are correct? I don't have implemented

usbd_cdc_interface.c,

it's a problem for the configuration of device?

Thanks for your help.

#cdc #vcp #device #stm32f407 #usb

[Amel NASRI]

Posted on October 15, 2015 at 18:07

Hi ragazzi.valerio,

For STM32F4, the USB library to be used is STM32_USB-Host-Device_Lib_V2.1.0 (http://www.st.com/web/en/catalog/tools/PF257882).I suggest you use the example STM32_USB-Host-Device_Lib_V2.1.0\Project\USB_Device_Examples\VCP.-Mayla-

[vlr]

Posted on October 16, 2015 at 11:25

Thanks

for

your answer

Mayala,

but

in that example

the

communication

is via

uart

,

but

I want

to communicate

exclusively

via USB

.

There is something wrong

in my

reasoning

?

Thank you :)