X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/blast.git/blobdiff_plain/48f48e6a26a54751ecd0ab90b10ab972cc5e89cd..HEAD:/FunctionalInterface.cpp?ds=inline

diff --git a/FunctionalInterface.cpp b/FunctionalInterface.cpp
index 145b86a..3a225c7 100644
--- a/FunctionalInterface.cpp
+++ b/FunctionalInterface.cpp
@@ -5,7 +5,6 @@
 #include "FunctionalBlock.h"
 #include "GroupBlock.h"
 
-
 FunctionalInterface::FunctionalInterface(AbstractBlock* _owner, ReferenceInterface *_reference) throw(Exception) : ConnectedInterface(_owner) {
 
   if (_owner == NULL) throw(Exception(BLOCK_NULL));
@@ -17,10 +16,14 @@ FunctionalInterface::FunctionalInterface(AbstractBlock* _owner, ReferenceInterfa
   reference = _reference;
 
   name = reference->getName();
-  width = reference->getWidth();
+  type = reference->getType();
+  endianess = reference->getEndianess();
+  width = reference->getWidthString();
   direction = reference->getDirection();
   purpose = reference->getPurpose();  
-  connectedFrom = NULL;  
+  connectedFrom = NULL;
+  clkIfaceName = reference->getClockIfaceString();
+  clkIfaceType = reference->getClockIfaceType();
 }
 
 bool FunctionalInterface::isFunctionalInterface() {
@@ -81,7 +84,12 @@ AbstractInterface *FunctionalInterface::clone() {
   return inter;
 }
 
-bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
+bool FunctionalInterface::canConnectTo(AbstractInterface *iface, bool testClock) {
+  static QString fctName = "FunctionalInterface::canConnectTo()";
+#ifdef DEBUG_FCTNAME
+  cout << "call to " << qPrintable(fctName) << endl;
+#endif
+
 
   /* NOTE :
      necessary conditions :
@@ -89,7 +97,7 @@ bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
         - iface type must be functional or group interface
         - iface->connectedFrom must be NULL
 
-     valid cases:
+     valid "normal" cases:
      1 - iface is owned by a block (group or func) that is within the same group as the block that own this
         1.1 - this is output and iface is input
         1.2 - both are inout
@@ -98,31 +106,71 @@ bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
         2.2 - both are inout
      3 - this is owned by a source block and iface is owned by the top group
 
+     + if testClock is true, must test if both ifaces are in the same clock domain. Note that a group interface
+     has always
+     special case : clk/reset from clkrstgen can connect to stimuli clk/reset
+
   */
+  bool ok = false;
+
   if (direction == Input) return false;
   if (iface->isReferenceInterface()) return false;
   ConnectedInterface* connIface = AI_TO_CON(iface);
   if (connIface->getConnectedFrom() != NULL) return false;
+
+  // special case, NB: never tests clocks
+  if ((getOwner()->getName().startsWith("clkrstgen")) && (iface->getOwner()->isStimuliBlock())) {
+    if ((direction == Output) && (iface->getDirection() == Input)) {
+      if ((purpose == AbstractInterface::Clock) && (iface->getPurpose() == AbstractInterface::Clock)) return true;
+      else if ((purpose == AbstractInterface::Reset) && (iface->getPurpose() == AbstractInterface::Reset)) return true;
+    }
+  }
+
   // first case: interface of blocks within the same group
   if (getOwner()->getParent() == iface->getOwner()->getParent()) {
 
-    if ((direction == Output) && (iface->getDirection() == Input)) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut)) return true;
+
+
+    if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;
   }
   // second case: iface = interface of the group that contains owner of this
   else if (getOwner()->getParent() == iface->getOwner()) {
-    if ((direction == Output) && (iface->getDirection() == Output)) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut)) return true;
+    if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;
   }
-  else if ((getOwner()->isSourceBlock()) && (iface->getOwner()->isTopGroupBlock())) {
-    if ((direction == Output) && (iface->getDirection() == Input)) return true;
+  else if ((getOwner()->isStimuliBlock()) && (iface->getOwner()->isTopGroupBlock())) {
+    if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;
   }
 
+  if (ok) {
+    if (testClock) {
+      int dom1 = -1,dom2 = -2;
+      try {
+        dom1 = getClockDomain();
+        dom2 = iface->getClockDomain();
+      }
+      catch(Exception e) {
+        cerr << qPrintable(fctName) << " - " << qPrintable(e.getMessage()) << endl;
+        return false;
+      }
+      if (dom1 != dom2) {
+        cout << "cannot connect interface that are in different clock domains" << endl;
+        return false;
+      }
+    }
+    return true;
+  }
   return false;
 
 }
 
-bool FunctionalInterface::canConnectFrom(AbstractInterface *iface) {
+bool FunctionalInterface::canConnectFrom(AbstractInterface *iface, bool testClock) {
+
+  static QString fctName = "FunctionalInterface::canConnectFrom()";
+#ifdef DEBUG_FCTNAME
+  cout << "call to " << qPrintable(fctName) << endl;
+#endif
 
   /* NOTE :
      necessary conditions :
@@ -137,24 +185,99 @@ bool FunctionalInterface::canConnectFrom(AbstractInterface *iface) {
      2 - iface is owned by the parent group of the block that owns this
         2.1 - this is an input, iface is an input of the group
         2.2 - both are inout
+
+     special case : clk/reset of stimuli can connect from clk/reset of clkrstgen
   */
+  bool ok = false;
+
   if (direction == Output) return false;
   if (iface->isReferenceInterface()) return false;
   if (connectedFrom != NULL) return false;
 
-  if (getOwner()->getParent() == iface->getOwner()->getParent()) {
+  // special case, NB: never tests clock
+  if ((iface->getOwner()->getName().startsWith("clkrstgen")) && (getOwner()->isStimuliBlock())) {
+    if ((direction == Input) && (iface->getDirection() == Output)) {
+      if ((purpose == AbstractInterface::Clock) && (iface->getPurpose() == AbstractInterface::Clock)) return true;
+      else if ((purpose == AbstractInterface::Reset) && (iface->getPurpose() == AbstractInterface::Reset)) return true;
+    }
+  }
 
-    if ((direction == Input) && (iface->getDirection() == Output)) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut)) return true;
+  if (getOwner()->getParent() == iface->getOwner()->getParent()) {    
+    if ((direction == Input) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;
   }
   else if (getOwner()->getParent() == iface->getOwner()) {
-    if ((direction == Input) && (iface->getDirection() == Input)) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut)) return true;
+    if ((direction == Input) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;
+  }
+
+  if (ok) {
+    if (testClock) {
+      int dom1 = -1,dom2 = -2;
+      try {
+        dom1 = getClockDomain();
+        dom2 = iface->getClockDomain();
+      }
+      catch(Exception e) {
+        cerr << qPrintable(e.getMessage()) << endl;
+        return false;
+      }
+      if (dom1 != dom2) {
+        cout << "cannot connect interfaces that are in different clock domains" << endl;
+        return false;
+      }
+    }
+    return true;
   }
 
   return false;
 }
 
+int FunctionalInterface::getClockDomain() throw(Exception) {
+
+  int idClock = -1;
+
+  FunctionalInterface* iface = NULL;
+  if (clkIfaceType == ClockName) {
+    iface = AI_TO_FUN(getClockIface());
+  }
+  else if ((direction == Input) && (purpose == Clock)) {
+    iface = this;
+  }
+
+  if ( iface != NULL) {
+
+    // if iface is a functional interface, it is connected to clkrstgen_X (in top group) or to ext_clk_X (in subgroup)
+    ConnectedInterface* connFrom = iface->getConnectedFrom();
+    if (connFrom == NULL) throw(Exception(IFACE_INVALID_CLKFREQ,this));
+
+    if (connFrom->getOwner()->isFunctionalBlock()) {
+      QString domName = connFrom->getOwner()->getName();
+      domName.remove(0,10);
+      cout << "conn from clkrstgen: searching for clkdomain in " << qPrintable(domName) << endl;
+
+      bool ok = true;
+      idClock = domName.toInt(&ok);
+      cout << "id clock = " << idClock << endl;
+      if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));
+    }
+    else if (connFrom->getOwner()->isGroupBlock()) {
+      QString domName = connFrom->getName();
+      domName.remove(0,8);
+      cout << "conn from group: searching for clkdomain in " << qPrintable(domName) << endl;
+
+      bool ok = true;
+      idClock = domName.toInt(&ok);
+      if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));
+    }
+    else {
+      cout << "abnormal case while searching for clkdomain" << endl;
+    }
+  }
+
+  return idClock;
+}
+
 
 void FunctionalInterface::connectionsValidation(QStack<AbstractInterface *> *interfacetoValidate, QList<AbstractInterface *> *validatedInterfaces) throw(Exception) {