From 2187e4445f68d12708e344fb5b2ffd617cfb5553 Mon Sep 17 00:00:00 2001
From: Peter Poetzi <peter.poetzi@gmail.com>
Date: Sun, 18 Aug 2024 21:22:37 +0200
Subject: [PATCH] add float32 view

---
 changevaluesdialog.ui |  6 +++---
 modbustablemodel.cpp  | 15 +++++++++++++++
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/changevaluesdialog.ui b/changevaluesdialog.ui
index 9028d40..5005e73 100644
--- a/changevaluesdialog.ui
+++ b/changevaluesdialog.ui
@@ -32,7 +32,7 @@
      <item row="2" column="0">
       <widget class="QLabel" name="labelFirstRegister">
        <property name="text">
-        <string>First reister:</string>
+        <string>First register:</string>
        </property>
        <property name="buddy">
         <cstring>spinBoxFirstRegister</cstring>
@@ -42,7 +42,7 @@
      <item row="2" column="1">
       <widget class="QSpinBox" name="spinBoxFirstRegister">
        <property name="maximum">
-        <number>9999</number>
+        <number>65535</number>
        </property>
       </widget>
      </item>
@@ -59,7 +59,7 @@
      <item row="3" column="1">
       <widget class="QSpinBox" name="spinBoxCount">
        <property name="maximum">
-        <number>9999</number>
+        <number>65535</number>
        </property>
       </widget>
      </item>
diff --git a/modbustablemodel.cpp b/modbustablemodel.cpp
index 8ea7b79..838c1f0 100644
--- a/modbustablemodel.cpp
+++ b/modbustablemodel.cpp
@@ -6,6 +6,7 @@ enum {
     ColumnHex,
     ColumnBinary,
     ColumnAscii,
+    ColumnFloat32,
     ColumnCount
 };
 }
@@ -54,6 +55,17 @@ QVariant ModbusTableModel::data(const QModelIndex &index, int role) const
     Q_ASSERT(index.row() < values.size());
 
     const auto &value = values[index.row()];
+    const bool hasNext = index.row() < values.size()-1;
+
+    union {
+        float valueAsFloat32;
+        quint16 arr [2];
+    };
+    if(hasNext){
+        arr[1]=value;
+        arr[0]=values[index.row()+1];
+    }
+
 
     switch (role)
     {
@@ -64,6 +76,7 @@ QVariant ModbusTableModel::data(const QModelIndex &index, int role) const
         case ColumnHex:     return QString::number(value, 16).rightJustified(4, '0').insert(2, ' ');
         case ColumnBinary:  return QString::number(value, 2) .rightJustified(16, '0').insert(8, ' ');
         case ColumnAscii:   return QString{QChar{(value&0xFF00)>>8}} + QChar{value&0x00FF};
+        case ColumnFloat32: return hasNext ? QString::number(valueAsFloat32,'f'): "";
         }
         __builtin_unreachable();
         break;
@@ -74,6 +87,7 @@ QVariant ModbusTableModel::data(const QModelIndex &index, int role) const
         case ColumnHex:
         case ColumnBinary:
         case ColumnAscii:
+        case ColumnFloat32:
             return value;
         }
         __builtin_unreachable();
@@ -101,6 +115,7 @@ QVariant ModbusTableModel::headerData(int section, Qt::Orientation orientation,
             case ColumnHex:     return tr("Hex");
             case ColumnBinary:  return tr("Binary");
             case ColumnAscii:   return tr("Ascii");
+            case ColumnFloat32: return tr("Float32");
             }
             __builtin_unreachable();
             break;