VXi VT1422A Manual De Usuario

         return;
     }

 rst_inst();     /* Resets the instrument and sends a device clear */

 reads_instrument_id();  /* Reads instrument software revision */

 /* close the device session */
 hpe1422_close(addr); 
} 

/****************************************************************************/
void rst_inst(void)
 /* Function to set the interface timeout period, resets the instrument, */
 /* waits for completion of reset and sends a device clear to enable */
 /* the instrument to receive a new command */
{
    ViInt32 result;

 /* set timeout to allow completion of reset */
 errStatus = hpe1422_timeOut(addr, 5000);
 check(addr, errStatus);
    
 /* reset the instrument */
 errStatus = hpe1422_reset(addr);
 check(addr, errStatus);

 /* wait for completion of *RST */
 errStatus = hpe1422_cmdInt32_Q(addr,"*OPC?",&result);
 check(addr, errStatus);

 /* send a device clear to enable new commands to be sent to the instrument */
 errStatus = hpe1422_dcl(addr);
 check(addr, errStatus);

 /* enables automatic error checking after each driver call */
 errStatus = hpe1422_errorQueryDetect( addr, VI_TRUE);

}

/****************************************************************************/
void reads_instrument_id(void)
 /* Function uses a hpe1422__revision_query to read the software revision */
 /* string. */
{
 ViChar  driver_rev[256];
 ViChar  instr_rev[256];

     /* Query the instrument for its firmware revision */
 errStatus = hpe1422_revision_query(addr,  driver_rev, instr_rev);

     /* Print the results */
 printf("The instrument driver's revision is %s\n", driver_rev);
 printf("The instrument's firmware revision is %s\n", instr_rev);
}

/****************************************************************************/
/****************************************************************************/
        /* error checking routine */
void check (ViSession addr, ViStatus errStatus)
{
 ViInt32 err_code;
 ViChar err_message[256];