qt: Disable chip operations before programmer is connected and chip selected

Author: bbogush

qt/main_window.cpp

@@ -71,7 +71,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent),
         SLOT(slotFileOpen()));
     connect(ui->actionConnect, SIGNAL(triggered()), this,
         SLOT(slotProgConnect()));
-    connect(ui->actionDetect_Device, SIGNAL(triggered()), this,
+    connect(ui->actionReadId, SIGNAL(triggered()), this,
         SLOT(slotProgReadDeviceId()));
     connect(ui->actionErase, SIGNAL(triggered()), this,
         SLOT(slotProgErase()));
@@ -137,6 +137,21 @@ void MainWindow::slotFileOpen()
     file.close();
 }
 
+void MainWindow::setUiStateConnected(bool isConnected)
+{
+    ui->chipSelectComboBox->setEnabled(isConnected);
+    if (!isConnected)
+        ui->chipSelectComboBox->setCurrentIndex(CHIP_ID_NONE);
+}
+
+void MainWindow::setUiStateSelected(bool isSelected)
+{
+    ui->actionReadId->setEnabled(isSelected);
+    ui->actionErase->setEnabled(isSelected);
+    ui->actionRead->setEnabled(isSelected);
+    ui->actionWrite->setEnabled(isSelected);
+}
+
 void MainWindow::slotProgConnect()
 {
     if (!prog->isConnected())
@@ -146,11 +161,13 @@ void MainWindow::slotProgConnect()
         else
             return;
 
+        setUiStateConnected(true);
         ui->actionConnect->setText(tr("Disconnect"));
     }
     else
     {
         prog->disconnect();
+        setUiStateConnected(false);
         ui->actionConnect->setText(tr("Connect"));
         qInfo() << "Disconnected from programmer";
     }
@@ -280,13 +297,24 @@ void MainWindow::slotProgSelectCompleted(int status)
         SLOT(slotProgSelectCompleted(int)));
 
     if (!status)
+    {
+        setUiStateSelected(true);
         qInfo() << "Chip has been selected successfully";
+    }
+    else
+        setUiStateSelected(false);
 }
 
 void MainWindow::slotSelectChip(int selectedChipNum)
 {
     this->selectedChipNum = selectedChipNum;
 
+    if (selectedChipNum == CHIP_ID_NONE)
+    {
+        setUiStateSelected(false);
+        return;
+    }
+
     connect(prog, SIGNAL(selectChipCompleted(int)), this,
         SLOT(slotProgSelectCompleted(int)));
 

qt/main_window.h

@@ -33,6 +33,8 @@ class MainWindow : public QMainWindow
 
     void initBufTable();
     void resetBufTable();
+    void setUiStateConnected(bool isConnected);
+    void setUiStateSelected(bool isSelected);
 
 private slots:
     void slotProgReadDeviceIdCompleted(int status);

qt/main_window.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>570</width>
+    <width>580</width>
     <height>532</height>
    </rect>
   </property>
@@ -24,6 +24,9 @@
        <layout class="QGridLayout" name="gridLayout_3">
         <item row="2" column="1">
          <widget class="QComboBox" name="chipSelectComboBox">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
           <property name="sizePolicy">
            <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
             <horstretch>0</horstretch>
@@ -199,15 +202,15 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>570</width>
+     <width>580</width>
      <height>19</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuDevice">
     <property name="title">
      <string>Device</string>
     </property>
-    <addaction name="actionDetect_Device"/>
+    <addaction name="actionReadId"/>
     <addaction name="actionErase"/>
     <addaction name="actionRead"/>
     <addaction name="actionWrite"/>
@@ -256,7 +259,10 @@
     <bool>false</bool>
    </attribute>
   </widget>
-  <action name="actionDetect_Device">
+  <action name="actionReadId">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
    <property name="text">
     <string>Read ID</string>
    </property>
@@ -277,16 +283,25 @@
    </property>
   </action>
   <action name="actionRead">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
    <property name="text">
     <string>Read</string>
    </property>
   </action>
   <action name="actionWrite">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
    <property name="text">
     <string>Write</string>
    </property>
   </action>
   <action name="actionErase">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
    <property name="text">
     <string>Erase</string>
    </property>