USB CDC Communication-Device Waiting for second request from host for sending response for first request..

1 post / 0 new
Author
Message
#1
  • 1
  • 2
  • 3
  • 4
  • 5
Total votes: 0

I'm working using atmel studio 7.0, the code which i'm using is USB  Communication Device Class (CDC)  for ATSAMD21.  My application is to read the command  from the host to the device and perform the operation suggested by the host and send  acknowledgement back to the host from device.

 

 

 

  1.Device Waiting for second request from host for sending response for first request.

 

     

1st request ---->No acknowledgement received from device.

2nd request---->Host received  acknowledgement for 1st request .

3rd request----->Host received  acknowledgement 2nd request.

 

--->Why this issue is happening? How can i resolve this issue i'm stuck with this any help will be appreciated.