multithread 14000727-1

serialConnectionManager/ModbusMaster.cpp

@@ -186,17 +186,24 @@ QModbusDataUnit  modBusMaster::readRequest(QModbusDataUnit::RegisterType registe
     if (auto *reply =modbusDevice->sendReadRequest(QModbusDataUnit(table, startAddress, readSize), _slaveAddress))
     {
         QFuture<void> future = QtConcurrent::run([this, reply]() {
-
+            //   while(!reply->isFinished())
-
+            //     {
-
-
             //        qDebug() << "reply->isFinished() " << reply->isFinished();
-            while(!reply->isFinished())
+            //      qDebug() << "Hello from thread " << QThread::currentThread();
+            //   }
+
+            if (!freeThread)
             {
-                  qDebug() << "reply->isFinished() " << reply->isFinished();
+                if (!reply->isFinished())
-                qDebug() << "Hello from thread " << QThread::currentThread();
+                {
+                    qDebug() << "1reply->isFinished() " << reply->isFinished();
+                    connect(reply, &QModbusReply::finished, this, &modBusMaster::modbusReplyRecieved, Qt::ConnectionType::BlockingQueuedConnection);
+                    qDebug() << "2reply->isFinished() " << reply->isFinished();
                 }
-            freeThread=true;
+            }
+        });
+
+        //   freeThread=true;
         mutex.lock();
         if (freeThread)
             modBusAnswerNotReady.wakeAll();
@@ -209,8 +216,6 @@ QModbusDataUnit  modBusMaster::readRequest(QModbusDataUnit::RegisterType registe
         }
 
 
-        });
-
     }
     else
     {
@@ -218,7 +223,7 @@ QModbusDataUnit  modBusMaster::readRequest(QModbusDataUnit::RegisterType registe
 
     }
 
-     //reply->deleteLater();
+    reply->deleteLater();
 }
 bool modBusMaster::checkForError(QModbusReply *_reply)
 {
@@ -239,6 +244,20 @@ bool modBusMaster::checkForError(QModbusReply *_reply)
 
 }
 
+void modBusMaster::modbusReplyRecieved()
+{
+
+    // auto reply = qobject_cast<QModbusReply *>(sender());
+    // if (!reply)
+    //     return;
+
+    // modbusReplyFromClient = reply;
+    freeThread=true;
+
+    //  reply->deleteLater();
+
+}
+
 void modBusMaster::writeRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 writeSize)
 {
     qDebug() << " ---- setSingleCoil coilFlag writeRequest ";

serialConnectionManager/ModbusMaster.h

@@ -45,9 +45,12 @@ public:
 signals:
     void  dataFromClient(QString readedParameter);
     void  modbusConnectionState(bool state);
+private slots:
+    void modbusReplyRecieved();
 
 private:
-    QModbusReply *lastRequest;
+    QModbusReply *modbusReplyFromClient;
+   // QModbusDataUnit modbusReplyUnit;
     QModbusClient *modbusDevice = nullptr;
     QString _serialPort ;
     int _slaveAddress;
@@ -57,6 +60,7 @@ private:
     QWaitCondition modBusAnswerNotReady;
     QMutex mutex;
     bool freeThread=false;
+
 public:
     QModbusReply *reply;
 };