usbpsu
Xilinx SDK Drivers API Documentation
xusb_freertos_audio.c File Reference

Overview

This file implements the ISO IN and ISO OUT data transfer.

It transfers and receives audio data on High or Super Speed bus based on connection.

requirement zcu102 board in usb device mode, connected with host using USB 3.0 cable

Following other files require to run this example o xusb_ch9.c, xusb_ch9.h o xusb_freertos_ch9_audio.c, xusb_freerots_ch9_audio.h o xusb_freertos_class_audio.c, xusb_freertos_class_audio.h

o on success example will be detected as audio device o use aplay/arecord for play or record audio

MODIFICATION HISTORY:
Ver   Who  Date     Changes

1.0 rb 26/03/18 First release
 

Functions

void SetupInterruptSystem (struct XUsbPsu *InstancePtr, u16 UsbIntrId)
 This function setups the interrupt system such that interrupts can occur. More...
 
int main (void)
 This function is the main function of the USB audio example. More...
 

Function Documentation

◆ main()

int main ( void  )

This function is the main function of the USB audio example.

Parameters
None
Returns
  • XST_SUCCESS if successful,
  • XST_FAILURE if unsuccessful.
Note
None.

◆ SetupInterruptSystem()

void SetupInterruptSystem ( struct XUsbPsu InstancePtr,
u16  UsbIntrId 
)

This function setups the interrupt system such that interrupts can occur.

This function is application specific since the actual system may or may not have an interrupt controller. The USB controller could be directly connected to a processor without an interrupt controller. The user should modify this function to fit the application.

Parameters
InstPtris a pointer to the XUsb instance.
UsbIntrIdis the interrupt ID of the USB controller
Returns
None
Note
None.

References XUsbPsu_EnableIntr(), and XUsbPsu_IntrHandler().