diff --git a/src/asciireader.cpp b/src/asciireader.cpp
new file mode 100644
--- /dev/null
+++ b/src/asciireader.cpp
@@ -0,0 +1,110 @@
+/*
+  Copyright © 2016 Hasan Yavuz Özderya
+
+  This file is part of serialplot.
+
+  serialplot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  serialplot is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <QtDebug>
+
+#include "asciireader.h"
+
+AsciiReader::AsciiReader(QIODevice* device, ChannelManager* channelMan, QObject *parent) :
+    AbstractReader(device, channelMan, parent)
+{
+    paused = false;
+    sampleCount = 0;
+    // TODO: sps counter
+
+    _numOfChannels = _settingsWidget.numOfChannels();
+    connect(&_settingsWidget, &AsciiReaderSettings::numOfChannelsChanged,
+            this, &AsciiReader::numOfChannelsChanged);
+    connect(&_settingsWidget, &AsciiReaderSettings::numOfChannelsChanged,
+            [this](unsigned value){_numOfChannels = value;});
+}
+
+QWidget* AsciiReader::settingsWidget()
+{
+    return &_settingsWidget;
+}
+
+unsigned AsciiReader::numOfChannels()
+{
+    return _numOfChannels;
+}
+
+// TODO: this could be a part of AbstractReader
+void AsciiReader::enable(bool enabled)
+{
+    if (enabled)
+    {
+        QObject::connect(_device, &QIODevice::readyRead,
+                         this, &AsciiReader::onDataReady);
+    }
+    else
+    {
+        QObject::disconnect(_device, 0, this, 0);
+    }
+}
+
+void AsciiReader::pause(bool enabled)
+{
+    paused = enabled;
+}
+
+void AsciiReader::onDataReady()
+{
+    while(_device->canReadLine())
+    {
+        QByteArray line = _device->readLine();
+
+        // discard data if paused
+        if (paused)
+        {
+            return;
+        }
+
+        line = line.trimmed();
+        auto separatedValues = line.split(',');
+
+        int numReadChannels; // effective number of channels to read
+        if (separatedValues.length() >= int(_numOfChannels))
+        {
+            numReadChannels = _numOfChannels;
+        }
+        else // there is missing channel data
+        {
+            numReadChannels = separatedValues.length();
+            qWarning() << "Incoming data is missing data for some channels!";
+        }
+
+        // parse read line
+        for (int ci = 0; ci < numReadChannels; ci++)
+        {
+            bool ok;
+            double channelSample = separatedValues[ci].toDouble(&ok);
+            if (ok)
+            {
+                _channelMan->addChannelData(ci, &channelSample, 1);
+                sampleCount++;
+            }
+            else
+            {
+                qWarning() << "Data parsing error for channel: " << ci;
+            }
+        }
+        emit dataAdded();
+    }
+}