Could you please tell which version of FX3 SDK are you referring to? Is it version 1.3.3?
I am attaching the cyfxuacdscr.c file for your reference.
In the High-Speed device descriptor CyFxUsb20DeviceDscr[ ], Maxpacket size for EP0 is 0x40.
In the Super-Speed device descriptor CyFxUsb30DeviceDscr[ ], Maxpacket size for EP0 field is set to 0x09. This is according to the UVC 3.1 Spec ( Table 9-11. Standard Device Descriptor). Maxpacket size for EP0 in 3.0 is 2^9=512 bytes
In the Endpoint descriptor for ISO streaming Audio data of CyFxUsbHSConfigDscr[ ], Transaction size is 96 bytes per frame and bInterval is 0x03.
You can write a WAV file into SPI flash by choosing SPI Flash in the Program option of Control Center.
cyfxuacdscr.txt.zip 3.3 K