USBUART in PSoC3

[LeYu_281131]

i found document for USBUART in PSoC3 using below address

   
   

http://www.cypress.com/?rID=42703

   
   

and i designed like attatched file to test USBUART

   
   

it works perfectly first six seconds, but after six seconds the PSoC3 couldn't exit from "while(!USBUART_1_bTxIsReady()){}"

   
   

please give me some advice to solve this problem.

   
   

thank you.

   

[LeYu_281131]

        I using the CY8CKIT-001 for this test   

[Anonymous]

Can you give some more information... How do you know that it worked for first 6 seconds.