diff --git a/api/SonoPcieDevice.cpp b/api/SonoPcieDevice.cpp
index bb3168a..b22a9dc 100644
--- a/api/SonoPcieDevice.cpp
+++ b/api/SonoPcieDevice.cpp
@@ -52,25 +52,25 @@ void SonoPcieDevice::initDmaBuffers()
   }
 }
 
-  void SonoPcieDevice::writeByte(uint32_t bar, uint8_t data, uint32_t offset)
+  void SonoPcieDevice::writeByte(uint32_t bar, uint32_t offset, uint8_t data)
   {
     uint8_t* temp = (uint8_t*)bars[bar].ptr;
     temp[offset] = data;
   }
 
-  void SonoPcieDevice::writeShort(uint32_t bar, uint16_t data, uint32_t offset)
+  void SonoPcieDevice::writeShort(uint32_t bar, uint32_t offset, uint16_t data)
   {
     uint16_t* temp = (uint16_t*)bars[bar].ptr;
     temp[offset / 2] = data;
   }
 
-  void SonoPcieDevice::writeWord(uint32_t bar, uint32_t data, uint32_t offset)
+  void SonoPcieDevice::writeWord(uint32_t bar, uint32_t offset, uint32_t data)
   {
     uint32_t* temp = (uint32_t*)bars[bar].ptr;
     temp[offset / 4] = data;
   }
 
-  void SonoPcieDevice::writeLong(uint32_t bar, uint64_t data, uint32_t offset)
+  void SonoPcieDevice::writeLong(uint32_t bar, uint32_t offset, uint64_t data)
   {
     uint64_t* temp = (uint64_t*)bars[bar].ptr;
     temp[offset / 8] = data;
diff --git a/api/SonoPcieDevice.h b/api/SonoPcieDevice.h
index f1e24a6..83b0ecf 100644
--- a/api/SonoPcieDevice.h
+++ b/api/SonoPcieDevice.h
@@ -26,10 +26,10 @@ public:
   
   void init();
 
-  void writeByte(uint32_t bar, uint8_t data, uint32_t offset);
-  void writeShort(uint32_t bar, uint16_t data, uint32_t offset);
-  void writeWord(uint32_t bar, uint32_t data, uint32_t offset);
-  void writeLong(uint32_t bar, uint64_t data, uint32_t offset);
+  void writeByte(uint32_t bar, uint32_t offset, uint8_t data);
+  void writeShort(uint32_t bar, uint32_t offset, uint16_t data);
+  void writeWord(uint32_t bar, uint32_t offset, uint32_t data);
+  void writeLong(uint32_t bar, uint32_t offset, uint64_t data);
 
   uint8_t readByte(uint32_t bar, uint32_t offset);
   uint16_t readShort(uint32_t bar, uint32_t offset);
diff --git a/app/Test/MainWindow.cpp b/app/Test/MainWindow.cpp
old mode 100644
new mode 100755
index ec12972..6904fca
--- a/app/Test/MainWindow.cpp
+++ b/app/Test/MainWindow.cpp
@@ -1,15 +1,76 @@
 #include "MainWindow.h"
 #include "ui_MainWindow.h"
 
-MainWindow::MainWindow(QWidget *parent)
+#include <QDebug>
+
+MainWindow::MainWindow(QWidget* parent)
 	: QMainWindow(parent)
 	, ui(new Ui::MainWindow)
 {
 	ui->setupUi(this);
+	sd = new SonoDevice();
+	sd->init();
+	_counter = 0;
 }
 
 MainWindow::~MainWindow()
 {
 	delete ui;
+	delete sd;
+}
+
+void MainWindow::on_pushButton_clicked()
+{
+	sd->setRamOffsetAddress(0);
+	sd->setTransferLength(1024 * 1024);
+	sd->setOptions(false);
+	sd->setMode(true);
+	sd->setTransferRate(8.4f);
+	sd->startTransfer();
+
+	_counter = sd->getCounter();
+	int buffersTransferred = 0;
+
+	while(true)
+	{
+		auto cnt = sd->getCounter();
+		if(cnt == 0)
+		{
+			continue;
+		}
+		if(_counter != cnt)
+		{
+			_counter++;
+			if(_counter == 17)
+			{
+				_counter = 1;
+			}
+			qDebug() << _counter << " --- " << cnt;
+			sd->copy(_counter - 1);
+			buffersTransferred++;
+		}
+		if(buffersTransferred == 16)
+		{
+//buffersTransferred = 0;
+//sd->startTransfer();
+			break;
+		}
+	}
+	sd->stopTransfer();
+
+	for(auto i = 0; i < 16; i++)
+	{
+		qDebug() << i << "  ----------------------------- ";
+		sd->show(i);
+	}
+}
+
+void MainWindow::on_pushButton_2_clicked()
+{
+	sd->stopTransfer();
 }
 
+void MainWindow::on_pushButton_3_clicked()
+{
+	sd->fillRam();
+}
diff --git a/app/Test/MainWindow.h b/app/Test/MainWindow.h
old mode 100644
new mode 100755
index 274dd1b..657e5ea
--- a/app/Test/MainWindow.h
+++ b/app/Test/MainWindow.h
@@ -3,8 +3,11 @@
 
 #include <QMainWindow>
 
+#include "SonoDevice.h"
+
 QT_BEGIN_NAMESPACE
-namespace Ui { class MainWindow; }
+namespace Ui { class MainWindow;
+}
 QT_END_NAMESPACE
 
 class MainWindow : public QMainWindow
@@ -12,10 +15,23 @@ class MainWindow : public QMainWindow
 	Q_OBJECT
 
 public:
-	MainWindow(QWidget *parent = nullptr);
+	MainWindow(QWidget* parent = nullptr);
 	~MainWindow();
 
+//uncrustify off
+private slots:
+//uncrustify on
+	void on_pushButton_clicked();
+
+	void on_pushButton_2_clicked();
+
+    void on_pushButton_3_clicked();
+
 private:
-	Ui::MainWindow *ui;
+	Ui::MainWindow* ui;
+
+	SonoDevice* sd;
+	int _counter;
 };
-#endif // MAINWINDOW_H
+
+#endif //MAINWINDOW_H
diff --git a/app/Test/MainWindow.ui b/app/Test/MainWindow.ui
old mode 100644
new mode 100755
index b232854..9970922
--- a/app/Test/MainWindow.ui
+++ b/app/Test/MainWindow.ui
@@ -13,8 +13,57 @@
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
-  <widget class="QWidget" name="centralwidget"/>
-  <widget class="QMenuBar" name="menubar"/>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QPushButton" name="pushButton">
+    <property name="geometry">
+     <rect>
+      <x>40</x>
+      <y>70</y>
+      <width>89</width>
+      <height>25</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Start</string>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="pushButton_2">
+    <property name="geometry">
+     <rect>
+      <x>270</x>
+      <y>190</y>
+      <width>89</width>
+      <height>25</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Stop</string>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="pushButton_3">
+    <property name="geometry">
+     <rect>
+      <x>650</x>
+      <y>120</y>
+      <width>80</width>
+      <height>23</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>PushButton</string>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>20</height>
+    </rect>
+   </property>
+  </widget>
   <widget class="QStatusBar" name="statusbar"/>
  </widget>
  <resources/>
diff --git a/app/Test/SonoConfig.h b/app/Test/SonoConfig.h
new file mode 100755
index 0000000..802edc3
--- /dev/null
+++ b/app/Test/SonoConfig.h
@@ -0,0 +1,30 @@
+#ifndef SONOADDRESS_H
+#define SONOADDRESS_H
+
+#define BAR 2
+
+#define BUFFER_NUM 20
+#define BUFFER_SIZE 4 * 1024 * 1024
+
+#define COUNTER_REG 0x00002020
+#define RAM_OFFSET_REG 0x00002024
+#define XFER_OPT_REG 0x00002028
+#define XFER_RATE_REG 0x0000202C
+#define CONTROL_REG 0x00002030
+
+#define START_COMMAND 0x00000001
+#define STOP_COMMAND 0x00000000
+
+#define COUNTER_MASK 0x0000001F
+
+#define RAM_OFFSET_MASK 0x00FFFFFF
+
+#define XFER_LEN_MASK 0x007FFFFF
+
+#define AUTO_INC_COMMAND 0x40000000
+
+#define PERF_MODE_COMMAND 0x80000000
+
+#define XFER_RATE_MASK 0x003FFFFF
+
+#endif //SONOADDRESS_H
diff --git a/app/Test/SonoDevice.cpp b/app/Test/SonoDevice.cpp
new file mode 100755
index 0000000..d8b4ebc
--- /dev/null
+++ b/app/Test/SonoDevice.cpp
@@ -0,0 +1,134 @@
+#include "SonoDevice.h"
+
+#include <QDebug>
+#include <QFile>
+
+SonoDevice::SonoDevice()
+{
+}
+
+SonoDevice::~SonoDevice()
+{
+	for(auto i = 0; i < BUFFER_NUM; i++)
+	{
+		delete[] _buffers[i];
+	}
+}
+
+void SonoDevice::init()
+{
+	_device.init();
+
+	for(auto i = 0; i < BUFFER_NUM; i++)
+	{
+		_buffers[i] = new quint8[BUFFER_SIZE];
+		memset(_buffers[i], 0, BUFFER_SIZE);
+	}
+}
+
+void SonoDevice::startTransfer()
+{
+	_device.writeWord(BAR, CONTROL_REG, START_COMMAND);
+}
+
+void SonoDevice::stopTransfer()
+{
+	_device.writeWord(BAR, CONTROL_REG, STOP_COMMAND);
+}
+
+int SonoDevice::getCounter()
+{
+	auto temp = _device.readWord(BAR, COUNTER_REG);
+
+	return temp & COUNTER_MASK;
+}
+
+void SonoDevice::setRamOffsetAddress(qint32 offset)
+{
+	auto value = offset & RAM_OFFSET_MASK;
+	_device.writeWord(BAR, RAM_OFFSET_REG, value);
+}
+
+void SonoDevice::setTransferLength(qint32 length)
+{
+	auto temp = _device.readWord(BAR, XFER_OPT_REG);
+
+	temp &= ~XFER_LEN_MASK;
+
+	temp |= (length & XFER_LEN_MASK);
+
+	_device.writeWord(BAR, XFER_OPT_REG, temp);
+}
+
+void SonoDevice::setTransferRate(float rate)
+{
+	auto value = static_cast<quint32>(rate * 1E5f) & XFER_RATE_MASK;
+	_device.writeWord(BAR, XFER_RATE_REG, value);
+}
+
+void SonoDevice::setOptions(bool performanceMode)
+{
+	auto temp = _device.readWord(BAR, XFER_OPT_REG);
+
+	if(performanceMode)
+	{
+		temp &= ~PERF_MODE_COMMAND;
+	}
+	else
+	{
+		temp |= PERF_MODE_COMMAND;
+	}
+	_device.writeWord(BAR, XFER_OPT_REG, temp);
+}
+
+void SonoDevice::setMode(bool dynamicMode)
+{
+	auto temp = _device.readWord(BAR, XFER_OPT_REG);
+
+	if(dynamicMode)
+	{
+		temp |= AUTO_INC_COMMAND;
+	}
+	else
+	{
+		temp &= ~AUTO_INC_COMMAND;
+	}
+	_device.writeWord(BAR, XFER_OPT_REG, temp);
+}
+
+void SonoDevice::copy(int i)
+{
+	auto src = _device.getBufferPtr(i);
+	auto dst = _buffers[i];
+	memcpy(dst, src, BUFFER_SIZE);
+}
+
+void SonoDevice::show(int i)
+{
+	auto tmp = _buffers[i];
+	for(auto j = 0; j < 40; j += 4)
+	{
+		quint32 res = 0;
+		res = tmp[j] | (tmp[j + 1] << 8) | (tmp[j + 2] << 16) | (tmp[j + 3] << 24);
+		qDebug() << QString::number(res, 16);
+	}
+}
+
+void SonoDevice::fillRam()
+{
+	QFile file(
+		"/home/hasis/Desktop/Hardware/pcie/PCIe_SGdma_Emulator/PCIe_SGdma_Emulator/_sram_frame_test_data/sram_frame_128x128K/sram_frame.bin");
+
+	file.open(QIODevice::ReadOnly);
+
+	auto temp = file.readAll();
+
+	qDebug() << temp.length();
+
+	file.close();
+
+	for(auto i = 0; i < temp.length(); i++)
+	{
+		_device.writeByte(1, i, temp[i]);
+	}
+}
diff --git a/app/Test/SonoDevice.h b/app/Test/SonoDevice.h
new file mode 100755
index 0000000..969f3df
--- /dev/null
+++ b/app/Test/SonoDevice.h
@@ -0,0 +1,34 @@
+#ifndef SONODEVICE_H
+#define SONODEVICE_H
+
+#include <QObject>
+
+#include "SonoPcieDevice.h"
+#include "SonoConfig.h"
+
+class SonoDevice
+{
+private:
+	quint8* _buffers[BUFFER_NUM];
+
+public:
+	SonoPcieDevice device;
+
+	SonoDevice();
+	~SonoDevice();
+
+	void init();
+	void startTransfer();
+	void stopTransfer();
+	int getCounter();
+	void setRamOffsetAddress(qint32 offset);
+	void setTransferLength(qint32 length);
+	void setTransferRate(float rate);
+	void setOptions(bool performanceMode);
+	void setMode(bool dynamicMode);
+	void copy(int i);
+	void show(int i);
+	void fillRam();
+};
+
+#endif //SONODEVICE_H
diff --git a/app/Test/Test.pro b/app/Test/Test.pro
old mode 100644
new mode 100755
index b6fdfca..8b18920
--- a/app/Test/Test.pro
+++ b/app/Test/Test.pro
@@ -16,11 +16,14 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
+    SonoDevice.cpp \
     main.cpp \
     MainWindow.cpp
 
 HEADERS += \
-    MainWindow.h
+    MainWindow.h \
+    SonoConfig.h \
+    SonoDevice.h
 
 FORMS += \
     MainWindow.ui
@@ -29,3 +32,10 @@ FORMS += \
 qnx: target.path = /tmp/$${TARGET}/bin
 else: unix:!android: target.path = /opt/$${TARGET}/bin
 !isEmpty(target.path): INSTALLS += target
+
+unix:!macx: LIBS += -L$$PWD/../../api/ -lSonoPcieDevice
+
+INCLUDEPATH += $$PWD/../../api
+DEPENDPATH += $$PWD/../../api
+
+unix:!macx: PRE_TARGETDEPS += $$PWD/../../api/libSonoPcieDevice.a
diff --git a/app/Test/main.cpp b/app/Test/main.cpp
old mode 100644
new mode 100755