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USB Audio Device Class (speaker + mic) on STM32F4-Discovery

Question asked by Aggarwal.Gaurav.004 on Jun 28, 2016
Latest reply on Jun 29, 2016 by FTITI.Walid
I have looked around on ST website and the forums for getting playback and record working on STM32F4-Discovery board. I only found the playback and record example that uses the FatFs and the USB storage device.

However, I want to get the USB Audio class working where I want to use the Discovery board for both uplink and downlink, i.e., the board should like a speaker and mic to a Windows Host PC via USB. Does anyone have this working and wouldn't mind sharing some pointers? I saw a post from maggie.roxas who got the speaker portion working but I don't see anyone with Microphone working over USB.

Any pointers greatly appreciated. Thanks much.