Closes #72 - Rename .bit file

* changed to better name reflecting composition, target and freq

src/main/scala/tapasco/activity/composers/Composer.scala

@@ -24,6 +24,7 @@
  **/
 package de.tu_darmstadt.cs.esa.tapasco.activity.composers
 import  de.tu_darmstadt.cs.esa.tapasco.base._
+import  de.tu_darmstadt.cs.esa.tapasco.dse._
 import  de.tu_darmstadt.cs.esa.tapasco.reports._
 
 /** Wrapper trait for synthesis tools: basic interface to synthesise compositions
@@ -78,6 +79,12 @@ object Composer {
     case Implementation.Vivado => new VivadoComposer()(cfg, maxThreads)
   }
 
+  /** Make a name for the Composer project. */
+  def mkProjectName(c: Composition, t: Target, f: Heuristics.Frequency): String = "%s--%s--%s".format(
+    "%s-%s".format(t.ad.name, t.pd.name),
+    c.composition map (ce => "%s_%d".format(ce.kernel.replaceAll(" ", "-"), ce.count)) mkString ("_"),
+    "%05.1f".format(f))
+
   /** Extended result with additional information as provided by the tool. **/
   final case class Result(
     result: ComposeResult,

src/main/scala/tapasco/activity/composers/VivadoComposer.scala

@@ -54,7 +54,7 @@ class VivadoComposer()(implicit cfg: Configuration, maxThreads: Option[Int]) ext
     // create Tcl script
     mkTclScript(fromTemplate = Common.commonDir.resolve("design.master.tcl.template"),
                 to           = files.tclFile,
-                projectName  = bd.id,
+                projectName  = Composer.mkProjectName(bd, target, f),
                 header       = makeHeader(bd, target, f, archFeatures, platformFeatures),
                 target       = target,
                 composition  = composition(bd, target))