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 #define LED_UNCONFIG (0x01)
 #define LED_CONFIGURED (0x02)
 
 void main()
 {	
  /* Initialization Code: */
  CYGlobalIntEnable; 	
  USBUART_1_Start(0,USBUART_1_3V_OPERATION);	
  /* Main Loop: */
  for(;;) 
  {
   // Wait until ready and reset 
   Control_Reg_1_Write(LED_UNCONFIG) ; // for PSoC3 DVK LED
   while(!USBUART_1_bGetConfiguration());
   USBUART_1_CDC_Init();
 
   // Loop until reset
   Control_Reg_1_Write(LED_CONFIGURED) ; // for PSoC3 DVK LED
   while(USBUART_1_bGetConfiguration()) {	
    Count =USBUART_1_bGetRxCount();
    if(Count!=0) {
     USBUART_1_ReadAll(Buffer);
     USBUART_1_Write(Buffer, Count);
     while(!USBUART_1_bTxIsReady()){
      if (!USBUART_1_bGetConfiguration()) break;	
     }/* Wait for Tx to finish */ 
    }
   }
  }
 }