Add parameter perlim: continous sequence or one time sequence.

src/xspice/icm/xtradev/seegenerator/cfunc.mod

@@ -176,6 +176,7 @@ void cm_seegen(ARGS)  /* structure holding parms,
             *last_ctrl = ctrl;
         }
 
+        /* the double exponential current pulse function */
         if (tcurr < *last_t_value)
             out = 0;
         else
@@ -188,6 +189,12 @@ void cm_seegen(ARGS)  /* structure holding parms,
             /* set the time for the next pulse */
             *last_t_value = *last_t_value + tperiod;
             (*pulse_number)++;
+            if (*pulse_number > PORT_SIZE(out)) {
+                if (PARAM(perlim) == FALSE)
+                    *pulse_number = 1;
+                else
+                    *last_t_value = 1e12; /* stop any output */
+            }
         }
         if (*pulse_number - 1 < PORT_SIZE(out))
            OUTPUT(out[*pulse_number - 1]) = out;

src/xspice/icm/xtradev/seegenerator/ifspec.ifs

@@ -9,14 +9,14 @@ Project Flowspace
 
 AUTHORS
 
-    19 May 2025
+Holger Vogt    19 May 2025
 
 
 
 SUMMARY
 
     This file contains the interface specification file for the 
-    analog ilimit code model.
+    analog seegen code model.
 
 ===============================================================================*/
  
@@ -73,6 +73,17 @@ Vector:              no                    no
 Vector_Bounds:      -                      -
 Null_Allowed:       yes                    yes
 
+PARAMETER_TABLE:
+
+Parameter_Name:     perlim
+Description:        "pulse repetition limited"
+Data_Type:          boolean
+Default_Value:      TRUE
+Limits:             -
+Vector:             no
+Vector_Bounds:      -
+Null_Allowed:       yes
+
 STATIC_VAR_TABLE:
 
 Static_Var_Name:    last_t_value