New input block chirp for identifications purposes

CodeGen/Common/common_dev/sweep.c

@@ -0,0 +1,62 @@
+/*
+COPYRIGHT (C) 2022  Roberto Bucher ([email protected])
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+*/
+
+#include <pyblock.h>
+#include <math.h>
+
+double get_run_time(void);
+
+static void init(python_block *block)
+{
+  double * realPar = block->realPar;
+  int * intPar    = block->intPar; 
+}
+
+static void inout(python_block *block)
+{
+  double * realPar = block->realPar;
+  int * intPar    = block->intPar;
+  double *y = block->y[0];
+  double t;
+  double k = realPar[0];
+
+  t = get_run_time();
+  y[0] = sin(k*t*t);  
+}
+
+static void end(python_block *block)
+{
+   double *y = block->y[0];
+
+   y[0] = 0.0;
+}
+
+void sweep(int flag, python_block *block)
+{
+  if (flag==CG_OUT){          /* get input */
+    inout(block);
+  }
+  else if (flag==CG_END){     /* termination */ 
+    end(block);
+  }
+  else if (flag ==CG_INIT){    /* initialisation */
+    init(block);
+  }
+}
+
+