usbpsu
Vitis Drivers API Documentation
Functions
xusb_poll_example.c File Reference

Overview

This file implements the mass storage class poll example. 

MODIFICATION HISTORY:
Ver   Who  Date     Changes






1.5   vak  06/02/19 First release
1.5   vak  03/25/19 Fixed incorrect data_alignment pragma directive for IAR
1.8   pm  15/09/20 Fixed C++ Compilation error.
1.14  pm   21/06/23 Added support for system device-tree flow.
1.18  ka   21/08/25 Fixed GCC warnings
 



Functions


void BulkOutHandler (void *CallBackRef, u32 RequestedBytes, u32 BytesTxed)


 This function is Bulk Out Endpoint handler/Callback called by driver when data is received.  More...


 


void BulkInHandler (void *CallBackRef, u32 RequestedBytes, u32 BytesTxed)


 This function is Bulk In Endpoint handler/Callback called by driver when data is sent.  More...


 


int main (void)


 This function is the main function of the USB mass storage example.  More...


 




Function Documentation






      

        

          void BulkInHandler 
          (
          void * 
          CallBackRef, 
        

        

          
          
          u32 
          RequestedBytes, 
        

        

          
          
          u32 
          BytesTxed 
        

        

          
          )
          
        

      





This function is Bulk In Endpoint handler/Callback called by driver when data is sent. 


Parameters

  

    
CallBackRefis pointer to Usb_DevData instance. 

    
RequestedBytesis number of bytes requested to send. 

    
BytesTxedis actual number of bytes sent to Host.

  

  




Returns
None


Note
None. 











      

        

          void BulkOutHandler 
          (
          void * 
          CallBackRef, 
        

        

          
          
          u32 
          RequestedBytes, 
        

        

          
          
          u32 
          BytesTxed 
        

        

          
          )
          
        

      





This function is Bulk Out Endpoint handler/Callback called by driver when data is received. 


Parameters

  

    
CallBackRefis pointer to Usb_DevData instance. 

    
RequestedBytesis number of bytes requested for reception. 

    
BytesTxedis actual number of bytes received from Host.

  

  




Returns
None


Note
None. 











      

        

          int main 
          (
          void 
          )
          
        

      





This function is the main function of the USB mass storage example. 


Parameters

  

    
None.

  

  




Returns
    

  • XST_SUCCESS if successful,
    • 

  • XST_FAILURE if unsuccessful.
    • 





Note
None. 



References XUsbPsu_Config::BaseAddress, BulkInHandler(), BulkOutHandler(), Ch9Handler(), Usb_DevData::PrivateData, Status, UsbEnableEvent(), UsbPollHandler(), XUSBPSU_DEVTEN_CONNECTDONEEN, XUSBPSU_DEVTEN_DISCONNEVTEN, XUSBPSU_DEVTEN_EVNTOVERFLOWEN, XUSBPSU_DEVTEN_ULSTCNGEN, XUSBPSU_DEVTEN_USBRSTEN, and XUSBPSU_DEVTEN_WKUPEVTEN.