qt: add ReadableObsevable

src/modules/interface/qt/data/ReadableObservable.cpp

@@ -0,0 +1,15 @@
+#include "ReadableObservable.h"
+
+ReadableObservable::ReadableObservable(ReadableData *data, QObject *parent) : QObject(parent) {
+    m_readableData = data;
+    
+    m_emitTimer = new QTimer;
+}
+
+void ReadableObservable::setInterval(std::chrono::milliseconds msecs) {
+    m_emitTimer->start(msecs);
+    
+    connect(m_emitTimer, &QTimer::timeout, [=]() {
+        emit valueUpdated(m_latestValue);
+    });
+}

src/modules/interface/qt/data/ReadableObservable.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <QObject>
+#include <QTimer>
+
+#include "ReadableData.h"
+
+class ReadableObservable : public QObject {
+public:
+    ReadableObservable(ReadableData *data, QObject *parent = nullptr);
+    void setInterval(std::chrono::milliseconds msecs); // Set the emission interval
+signals:
+    void valueUpdated(tc_readable_result_t value);
+private:
+    Q_OBJECT
+    
+    ReadableData *m_readableData;
+    QTimer *m_emitTimer;
+    tc_readable_result_t m_latestValue;
+};