LF: support read LF config

ui/mainwindow.cpp

@@ -1251,7 +1251,7 @@ void MainWindow::onLFfreqConfChanged(int value, bool isCustomized)
 
     if(isCustomized)
         ui->LF_Conf_freqOtherButton->setChecked(true);
-    ui->LF_Conf_freqLabel->setText(QString("Actural Freq: %1kHz").arg(12000.0 / (value + 1.0), 0, 'f', 3));
+    ui->LF_Conf_freqLabel->setText(QString("Actural Freq: %1kHz").arg(LF::divisor2Freq(value), 0, 'f', 3));
     ui->LF_Conf_freqDivisorBox->setValue(value);
     ui->LF_Conf_freqSlider->setValue(value);
 
@@ -1334,3 +1334,8 @@ void MainWindow::contextMenuEvent(QContextMenuEvent *event)
 {
     contextMenu->exec(event->globalPos());
 }
+
+void MainWindow::on_LF_Conf_getButton_clicked()
+{
+    lf->getConfig();
+}

ui/mainwindow.h

@@ -197,6 +197,8 @@ private slots:
 
     void on_LF_Op_sniffButton_clicked();
 
+    void on_LF_Conf_getButton_clicked();
+
 private:
     Ui::MainWindow* ui;
     QButtonGroup* MFCardTypeBtnGroup;

ui/mainwindow.ui

@@ -136,7 +136,7 @@
        </sizepolicy>
       </property>
       <property name="currentIndex">
-       <number>0</number>
+       <number>1</number>
       </property>
       <widget class="QWidget" name="mifareTab">
        <attribute name="title">
@@ -1442,10 +1442,14 @@ You might need a modified LF antenna if the freq is not 125k/134k.</string>
               </widget>
              </item>
              <item row="4" column="1">
-              <widget class="QSpinBox" name="LF_Conf_skipsBox"/>
+              <widget class="QSpinBox" name="LF_Conf_skipsBox">
+               <property name="maximum">
+                <number>65535</number>
+               </property>
+              </widget>
              </item>
              <item row="0" column="1">
-              <widget class="QSpinBox" name="LF_Conf_bitRateBox">
+              <widget class="QSpinBox" name="LF_Conf_bitPerSampleBox">
                <property name="minimum">
                 <number>1</number>
                </property>
@@ -1689,7 +1693,7 @@ On Iceman/RRG repo, press the button on PM3 to stop measuring</string>
          <item>
           <widget class="QLabel" name="label_27">
            <property name="text">
-            <string>Sniff low frequency signal wit LF field OFF.
+            <string>Sniff low frequency signal with LF field OFF.
 Use this to get raw data from a reader 
 or the communication between a tag and a reader.</string>
            </property>