// start with default settings
  *upp_setup = UPP_USERPARAMS;

/*
 * -----Channel A (Transmitter) Parameters Settings
 */
  upp_setup->params.A.direction = upp_dir_xmit;		// direction of uPP channel
  upp_setup->params.A.clock_div = upp_clock_div;	// clock divider (transmit mode only, 1-16)
  upp_setup->params.A.data_rate = 1;				// data rate (1-2)
  upp_setup->params.A.width 	= 16;				// data width (in bits, 8-16)
  
  upp_setup->params.A.format	 	= upp_format_rjze;      // data format (8 < width < 16 only)
  upp_setup->params.A.xmit_thresh 	= upp_thresh_64; 		// transmit threshold (transmit only)
  upp_setup->params.A.drive_idle	= TRUE;  				// drive value from IVR while idle (else hi-z)
  upp_setup->params.A.idle_value 	= 0xAAAA;				//value for IVR
  
   // signal enable
   upp_setup->params.A.en_start	= TRUE;    		// enable start signal
   upp_setup->params.A.en_enable= TRUE;   		// enable enable signal
   upp_setup->params.A.en_wait  =  TRUE;     	// enable wait signal
  
   // signal polarity
   upp_setup->params.A.inv_start	= FALSE;   	// invert start signal
   upp_setup->params.A.inv_enable	= TRUE;  	// invert enable signal
   upp_setup->params.A.inv_wait		= FALSE;    // invert wait signal
   upp_setup->params.A.inv_clock	= TRUE;//FALSE;   	// invert clock signal
   
   // interrupt generation (async mode only)
   upp_setup->params.A.gen_eow		= TRUE;     // generate end of window (EOW) events
   upp_setup->params.A.gen_eol		= TRUE;     // generate end of line (EOL) events
   upp_setup->params.A.gen_uor		= TRUE;     // generate underflow/overflow (UOR) events
   upp_setup->params.A.gen_err		= TRUE;     // generate internal error (ERR) events
   upp_setup->params.A.gen_dpe		= TRUE;     // generate DMA programming error (DPE) events
   
   // interrupt dispatch (async mode only)
    upp_setup->params.A.fxn_eow	=	NULL;    									// function pointer for EOW user-callback (optional; called if != NULL)
    upp_setup->params.A.fxn_eol	= (upp_CbFxn)LOCAL_upp_complete_EOLTransmit;    // function pointer for EOL user-callback (optional; called if != NULL)
    upp_setup->params.A.fxn_uor	=	(upp_CbFxn)LOCAL_upp_Error_Tx;     // function pointer for UOR user-callback (optional; called if != NULL)
    upp_setup->params.A.fxn_err =	(upp_CbFxn)LOCAL_upp_Error_Tx;     // function pointer for ERR user-callback (optional; called if != NULL)
    upp_setup->params.A.fxn_dpe =	(upp_CbFxn)LOCAL_upp_Error_Tx;     // function pointer for DPE user-callback (optional; called if != NULL)
 
//////////////////////////////////////////////////////

 /*
  * -----Channel B (Receiver) Parameters Settings
  */
  	upp_setup->params.B.direction = upp_dir_rcv;		// direction of uPP channel
  	upp_setup->params.B.clock_div = 0;					// clock divider (transmit mode only, 1-16)
  	upp_setup->params.B.data_rate = 1;					// data rate (1-2)
 	upp_setup->params.B.width 	= 16;					// data width (in bits, 8-16)
 	


	// signal enable
   upp_setup->params.B.en_start	= FALSE;    		// enable start signal
   upp_setup->params.B.en_enable= TRUE;   			// enable enable signal
   upp_setup->params.B.en_wait  = TRUE;     		// enable wait signal
  
	// signal polarity
   upp_setup->params.B.inv_start	= FALSE;   	// invert start signal
   upp_setup->params.B.inv_enable	= FALSE;  	// invert enable signal
   upp_setup->params.B.inv_wait		= FALSE;    // invert wait signal
   upp_setup->params.B.inv_clock	= TRUE;   	// invert clock signal

  // interrupt dispatch (async mode only)
    upp_setup->params.B.fxn_eow	= NULL;//(upp_CbFxn)LOCAL_upp_complete_cb;;    // function pointer for EOW user-callback (optional; called if != NULL)
    upp_setup->params.B.fxn_eol	= (upp_CbFxn)LOCAL_upp_complete_EOL;    // function pointer for EOL user-callback (optional; called if != NULL)
    upp_setup->params.B.fxn_uor	=	(upp_CbFxn)LOCAL_upp_Error_Rx;     // function pointer for UOR user-callback (optional; called if != NULL)
    upp_setup->params.B.fxn_err =	(upp_CbFxn)LOCAL_upp_Error_Rx;     // function pointer for ERR user-callback (optional; called if != NULL)
    upp_setup->params.B.fxn_dpe =	(upp_CbFxn)LOCAL_upp_Error_Rx;     // function pointer for DPE user-callback (optional; called if != NULL)         
            
    upp_setup->params.channels = 2;