width = reference->getWidthString();\r
direction = reference->getDirection();\r
purpose = reference->getPurpose(); \r
- connectedFrom = NULL; \r
+ connectedFrom = NULL;\r
+ clkIfaceName = reference->getClockIfaceString();\r
+ clkIfaceType = reference->getClockIfaceType();\r
}\r
\r
bool FunctionalInterface::isFunctionalInterface() {\r
return inter;\r
}\r
\r
-bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {\r
+bool FunctionalInterface::canConnectTo(AbstractInterface *iface, bool testClock) {\r
+ static QString fctName = "FunctionalInterface::canConnectTo()";\r
+#ifdef DEBUG_FCTNAME\r
+ cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+\r
\r
/* NOTE :\r
necessary conditions :\r
2.2 - both are inout\r
3 - this is owned by a source block and iface is owned by the top group\r
\r
+ + if testClock is true, must test if both ifaces are in the same clock domain. Note that a group interface\r
+ has always\r
special case : clk/reset from clkrstgen can connect to stimuli clk/reset\r
\r
*/\r
+ bool ok = false;\r
+\r
if (direction == Input) return false;\r
if (iface->isReferenceInterface()) return false;\r
ConnectedInterface* connIface = AI_TO_CON(iface);\r
if (connIface->getConnectedFrom() != NULL) return false;\r
- // special case\r
+\r
+ // special case, NB: never tests clocks\r
if ((getOwner()->getName().startsWith("clkrstgen")) && (iface->getOwner()->isStimuliBlock())) {\r
if ((direction == Output) && (iface->getDirection() == Input)) {\r
if ((purpose == AbstractInterface::Clock) && (iface->getPurpose() == AbstractInterface::Clock)) return true;\r
// first case: interface of blocks within the same group\r
if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
\r
- if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) return true;\r
- if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;\r
+\r
+\r
+ if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;\r
+ if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;\r
}\r
// second case: iface = interface of the group that contains owner of this\r
else if (getOwner()->getParent() == iface->getOwner()) {\r
- if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) return true;\r
- if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;\r
+ if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;\r
+ if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;\r
}\r
else if ((getOwner()->isStimuliBlock()) && (iface->getOwner()->isTopGroupBlock())) {\r
- if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) return true;\r
+ if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;\r
}\r
\r
+ if (ok) {\r
+ if (testClock) {\r
+ int dom1 = -1,dom2 = -2;\r
+ try {\r
+ dom1 = getClockDomain();\r
+ dom2 = iface->getClockDomain();\r
+ }\r
+ catch(Exception e) {\r
+ cerr << qPrintable(fctName) << " - " << qPrintable(e.getMessage()) << endl;\r
+ return false;\r
+ }\r
+ if (dom1 != dom2) {\r
+ cout << "cannot connect interface that are in different clock domains" << endl;\r
+ return false;\r
+ }\r
+ }\r
+ return true;\r
+ }\r
return false;\r
\r
}\r
\r
-bool FunctionalInterface::canConnectFrom(AbstractInterface *iface) {\r
+bool FunctionalInterface::canConnectFrom(AbstractInterface *iface, bool testClock) {\r
+\r
+ static QString fctName = "FunctionalInterface::canConnectFrom()";\r
+#ifdef DEBUG_FCTNAME\r
+ cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
\r
/* NOTE :\r
necessary conditions :\r
\r
special case : clk/reset of stimuli can connect from clk/reset of clkrstgen\r
*/\r
+ bool ok = false;\r
+\r
if (direction == Output) return false;\r
if (iface->isReferenceInterface()) return false;\r
if (connectedFrom != NULL) return false;\r
\r
- // special case\r
+ // special case, NB: never tests clock\r
if ((iface->getOwner()->getName().startsWith("clkrstgen")) && (getOwner()->isStimuliBlock())) {\r
if ((direction == Input) && (iface->getDirection() == Output)) {\r
if ((purpose == AbstractInterface::Clock) && (iface->getPurpose() == AbstractInterface::Clock)) return true;\r
}\r
}\r
\r
- if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
-\r
- if ((direction == Input) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) return true;\r
- if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;\r
+ if (getOwner()->getParent() == iface->getOwner()->getParent()) { \r
+ if ((direction == Input) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;\r
+ if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;\r
}\r
else if (getOwner()->getParent() == iface->getOwner()) {\r
- if ((direction == Input) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) return true;\r
- if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;\r
+ if ((direction == Input) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;\r
+ if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;\r
+ }\r
+\r
+ if (ok) {\r
+ if (testClock) {\r
+ int dom1 = -1,dom2 = -2;\r
+ try {\r
+ dom1 = getClockDomain();\r
+ dom2 = iface->getClockDomain();\r
+ }\r
+ catch(Exception e) {\r
+ cerr << qPrintable(e.getMessage()) << endl;\r
+ return false;\r
+ }\r
+ if (dom1 != dom2) {\r
+ cout << "cannot connect interfaces that are in different clock domains" << endl;\r
+ return false;\r
+ }\r
+ }\r
+ return true;\r
}\r
\r
return false;\r
if (connFrom == NULL) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
\r
if (connFrom->getOwner()->isFunctionalBlock()) {\r
- QString name = connFrom->getOwner()->getName();\r
- cout << "conn from clkrstgen: searching for clkdomain in " << qPrintable(name) << endl;\r
- name.remove(0,10);\r
- bool ok;\r
- idClock = name.toInt(&ok);\r
+ QString domName = connFrom->getOwner()->getName();\r
+ domName.remove(0,10);\r
+ cout << "conn from clkrstgen: searching for clkdomain in " << qPrintable(domName) << endl;\r
+\r
+ bool ok = true;\r
+ idClock = domName.toInt(&ok);\r
+ cout << "id clock = " << idClock << endl;\r
if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
}\r
- else {\r
- QString name = connFrom->getName();\r
- cout << "conn from group: searching for clkdomain in " << qPrintable(name) << endl;\r
- name.remove(0,8);\r
- bool ok;\r
- idClock = name.toInt(&ok);\r
+ else if (connFrom->getOwner()->isGroupBlock()) {\r
+ QString domName = connFrom->getName();\r
+ domName.remove(0,8);\r
+ cout << "conn from group: searching for clkdomain in " << qPrintable(domName) << endl;\r
+\r
+ bool ok = true;\r
+ idClock = domName.toInt(&ok);\r
if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
}\r
+ else {\r
+ cout << "abnormal case while searching for clkdomain" << endl;\r
+ }\r
}\r
\r
return idClock;\r
