Separated Qt and WiringPi code in blink thread

source/CMakeLists.txt

@@ -15,6 +15,8 @@ add_executable(${PROJECT_NAME}
     mainwindow.cpp
     mainwindow.h
     mainwindow.ui
+	led.cpp
+	led.h
 	blinkthread.cpp
     blinkthread.h
     distancethread.cpp

source/blinkthread.cpp

@@ -1,22 +1,21 @@
 #include "blinkthread.h"
-#include <wiringPi.h>
+#include "led.h"
 
-BlinkThread::BlinkThread()
+BlinkThread::BlinkThread(unsigned int pin)
+	: m_led(pin)
 {
-    wiringPiSetup();
-    pinMode(m_blinkPin, OUTPUT);
 }
 
 void BlinkThread::run()
 {
     while (true)
     {
-        digitalWrite(m_blinkPin, HIGH);
+       	m_led.on(); 
         emit ledOn();
-        delay(500);
+        msleep(500);
 
-        digitalWrite(m_blinkPin, LOW);
+		m_led.off();
         emit ledOff();
-        delay(500);
+        msleep(500);
     }
 }

source/blinkthread.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "led.h"
 #include <QThread>
 
 class BlinkThread : public QThread
@@ -7,10 +8,11 @@ class BlinkThread : public QThread
     Q_OBJECT
 
 private:
-    const int m_blinkPin = 15;
+	Led m_led;
 
 public:
-    BlinkThread();
+	BlinkThread() = delete;
+	BlinkThread(unsigned int pin);
 
 protected:
     void run() override;

source/led.cpp

@@ -0,0 +1,22 @@
+#include "led.h"
+#include <wiringPi.h>
+
+#include <iostream>
+
+Led::Led(unsigned int pin)
+	: m_pin(pin)
+{
+	wiringPiSetup();
+	pinMode(m_pin, OUTPUT);
+}
+
+void Led::on() const
+{
+	digitalWrite(m_pin, HIGH);
+}
+
+void Led::off() const
+{
+	digitalWrite(m_pin, LOW);
+}
+

source/led.h

@@ -0,0 +1,15 @@
+#pragma once
+
+class Led
+{
+private:
+	unsigned int m_pin = 0;
+
+public:
+	Led(unsigned int pin);
+
+	void on() const;
+	void off() const;
+};
+
+

source/mainwindow.cpp

@@ -14,7 +14,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->progressBar->setFormat("%v cm");
     ui->progressBar->setValue(0);
 
-    BlinkThread *blinkThread = new BlinkThread();
+    BlinkThread *blinkThread = new BlinkThread(15);
     connect(blinkThread, &BlinkThread::ledOn, this, &MainWindow::ledOn);
     connect(blinkThread, &BlinkThread::ledOff, this, &MainWindow::ledOff);
     blinkThread->start();