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How to use STM32F446re Nucleo USB AUDIO out

Question asked by tarou urashima on Nov 20, 2017

We are considering receiving HOST data at USBaudioOUT at STM32F446re Nucleo. The environment is STM32cubeMX. We made the API: USBD_AUDIO_DataOut from the default sample code of cubeMX, and output data from STM 32 every 1 ms. However, audio input is not recognized from HOST. How can I input USBaudio?