Only change to test in iop_dac_functions.c for x2ats testing.

src/include/drv/iop_dac_functions.c

@@ -206,6 +206,13 @@ iop_dac_write( )
                     else
                         dac_out = 0;
                 }
+                if ( ( ii == 0 ) && ( jj == 2 ) )
+                {
+                    if ( cycleNum < 100 )
+                        dac_out = limit / 20;
+                    else
+                        dac_out = 0;
+                }
 #endif
                 /// - ---- Check output values are within range of DAC \n
                 /// - --------- If overflow, clip at DAC limits and report