diff --git a/src/com/projectara/araepm/AFE4400Thread.java b/src/com/projectara/araepm/AFE4400Thread.java
deleted file mode 100644
index 5658958..0000000
--- a/src/com/projectara/araepm/AFE4400Thread.java
+++ /dev/null
@@ -1,226 +0,0 @@
-package com.projectara.araepm;
-
-import android.hardware.I2cManager;
-import android.hardware.I2cTransaction;
-import android.util.Log;
-import java.io.IOException;
-import java.io.FileNotFoundException;
-import java.io.DataOutputStream;
-import java.io.FileOutputStream;
-
-public class AFE4400Thread extends Thread {
-
-    // The 7-bit slave address
-    private static final int address = (0x50 >> 1);
-    private static final String TAG = "araepm";
-
-    private Mlx90620Listener listener;
-    private I2cManager i2c;
-
-    private volatile boolean stopped;
-    private DataOutputStream buf = null;
-
-    private static final I2cTransaction[] setupWrites = {
-        WriteReg(0x00, 0x00, 0x00, 0x00), //AFE4400_CONTROL0
-        WriteReg(0x01, 0x00, 0x17, 0xD4), //AFE4400_LED2STC
-        WriteReg(0x02, 0x00, 0x1D, 0xAE), //AFE4400_LEDENDC
-        WriteReg(0x03, 0x00, 0x17, 0x70), //AFE4400_LED2LEDSTC
-        WriteReg(0x04, 0x00, 0x1D, 0xAF), //AFE4400_LED2LEDENDC
-        WriteReg(0x05, 0x00, 0x00, 0x00), //AFE4400_ALED2STC
-        WriteReg(0x06, 0x00, 0x06, 0x3E), //AFE4400_ALED2ENDC
-        WriteReg(0x07, 0x00, 0x08, 0x34), //AFE4400_LED1STC
-        WriteReg(0x08, 0x00, 0x0E, 0x0E), //AFE4400_LED1ENDC
-        WriteReg(0x09, 0x00, 0x07, 0xD0), //AFE4400_LED1LEDSTC
-        WriteReg(10, 0x00, 0x0E, 0x0F), //AFE4400_LED1LEDENDC
-
-        WriteReg(11, 0x00, 0x0F, 0xA0), //AFE4400_ALED1STC
-        WriteReg(12, 0x00, 0x15, 0xDE), //AFE4400_ALED1ENDC
-        WriteReg(13, 0x00, 0x00, 0x02), //AFE4400_LED2CONVST
-        WriteReg(14, 0x00, 0x07, 0xCF), //AFE4400_LED2CONVEND
-        WriteReg(15, 0x00, 0x07, 0xD2), //AFE4400_ALED2CONVST
-        WriteReg(16, 0x00, 0x0F, 0x9F), //AFE4400_ALED2CONVEND
-        WriteReg(17, 0x00, 0x0F, 0xA2), //AFE4400_LED1CONVST
-        WriteReg(18, 0x00, 0x17, 0x6F), //AFE4400_LED1CONVEND
-        WriteReg(19, 0x00, 0x17, 0x72), //AFE4400_ALED1CONVST
-        WriteReg(20, 0x00, 0x1F, 0x3F), //AFE4400_ALED1CONVEND
-
-        WriteReg(21, 0x00, 0x00, 0x00),//AFE4400_ADCRSTSTCT0
-        WriteReg(22, 0x00, 0x00, 0x00),//AFE4400_ADCRSTENDCT0
-        WriteReg(23, 0x00, 0x07, 0xD0),//AFE4400_ADCRSTSTCT1
-        WriteReg(24, 0x00, 0x07, 0xD0),//AFE4400_ADCRSTENDCT1
-        WriteReg(25, 0x00, 0x0F, 0XA0),//AFE4400_ADCRSTSTCT2
-        WriteReg(26, 0x00, 0x0F, 0XA0),//AFE4400_ADCRSTENDCT2
-        WriteReg(27, 0x00, 0x17, 0x70),//AFE4400_ADCRSTSTCT3
-        WriteReg(28, 0x00, 0x17, 0x70),//AFE4400_ADCRSTENDCT3
-        WriteReg(29, 0x00, 0x1F, 0x3F),//AFE4400_PRPCOUNT
-        WriteReg(30, 0x00, 0x01, 0x01),//AFE4400_CONTROL1
-
-        WriteReg(31, 0x00, 0x00, 0x00),//AFE4400_SPARE1
-        WriteReg(32, 0x00, 0x00, 0x00),//AFE4400_TIAGAIN
-        WriteReg(33, 0x00, 0x00, 0x0A),//AFE4400_TIA_AMB_GAIN
-        WriteReg(34, 0x01, 0x14, 0x29),//AFE4400_LEDCNTRL
-        WriteReg(35, 0x02, 0x01, 0x00),//AFE4400_CONTROL2
-        WriteReg(36, 0x00, 0x00, 0x00),//AFE4400_SPARE2
-        WriteReg(37, 0x00, 0x00, 0x00),//AFE4400_SPARE3
-        WriteReg(38, 0x00, 0x00, 0x00),//AFE4400_SPARE4
-        WriteReg(39, 0x00, 0x00, 0x00),//AFE4400_RESERVED1
-        WriteReg(40, 0x00, 0x00, 0x00),//AFE4400_RESERVED2
-        WriteReg(41, 0x00, 0x00, 0x00),//AFE4400_ALARM
-        WriteReg(42, 0x00, 0x00, 0x00),//AFE4400_LED2VAL
-
-        WriteReg(43, 0x00, 0x00, 0x00),//AFE4400_ALED2VAL
-        WriteReg(44, 0x00, 0x00, 0x00),//AFE4400_LED1VAL
-        WriteReg(45, 0x00, 0x00, 0x00),//AFE4400_ALED1VAL
-        WriteReg(46, 0x00, 0x00, 0x00),//AFE4400_LED2-ALED2VAL
-        WriteReg(47, 0x00, 0x00, 0x00),//AFE4400_LED1-ALED1VAL
-        WriteReg(48, 0x00, 0x00, 0x00),//AFE4400_DIAG
-
-        // Setup SPI_READ
-        WriteReg(0, 0x00, 0x00, 0x01),//AFE4400_DIAG
-    };
-
-    public AFE4400Thread(Mlx90620Listener listener, I2cManager i2c) {
-        this.listener = listener;
-        this.i2c = i2c;
-        this.stopped = false;
-        try {
-            this.buf = new DataOutputStream(new FileOutputStream("/sdcard/plox.dat"));
-        } catch (FileNotFoundException e) {
-            Log.e(TAG, e.toString());
-        }
-    }
-
-    @Override
-    public void run() {
-        String[] buses = i2c.getI2cBuses();
-        if (buses.length == 0) {
-            setText("no I2C buses found :(");
-            return;
-        }
-        String bus = buses[0];
-
-        int nsecs = 0;
-        while (nsecs > 0) {
-            setText("starting in " + nsecs + "...");
-            nsecs--;
-            try {
-                Thread.sleep(1000);
-            } catch (InterruptedException e) {}
-        }
-
-        I2cTransaction[] results;
-        for (I2cTransaction txn: setupWrites) {
-            try {
-                results = i2c.performTransactions(bus, address, txn);
-            } catch (IOException e) {
-                setText("transaction error: " + e);
-                return;
-            }
-        }
-
-        while (!isStopped()) {
-            results = null;
-            boolean stop = true;
-            String updateString = "";
-            byte[] data;
-            int LED1VAL;
-            int LED2VAL;
-            I2cTransaction[] txns0 = {
-                I2cTransaction.newWrite(0x01,                 // Select SPI device 1
-                                        0x2e,                 // LED2-ALED2VAL
-                                        0xff, 0xff, 0xff),    // 3 dummy bytes
-                I2cTransaction.newRead(4),
-            };
-
-            I2cTransaction[] txns1 = {
-                I2cTransaction.newWrite(0x01,                 // Select SPI device 1
-                                        0x2f,                 // LED2-ALED2VAL
-                                        0xff, 0xff, 0xff),    // 3 dummy bytes
-                I2cTransaction.newRead(4),
-            };
-
-            try {
-                if (stop) {
-                    for (I2cTransaction txn: txns0) {
-                        results = i2c.performTransactions(bus, address, txn);
-                    }
-                } else {
-                    results = i2c.performTransactions(bus, address, txns0);
-                }
-            } catch (IOException e) {
-                setText("error while reading back: " + e);
-                return;
-            }
-
-            if (stop)
-                data = results[0].data;
-            else
-                data = results[1].data;
-
-            LED1VAL = (((int)data[1]) << 16) |
-                      (((int)data[2] & 0xFF) <<  8) |
-                      (((int)data[3] & 0xFF));
-
-            try {
-                if (stop) {
-                    for (I2cTransaction txn: txns1) {
-                        results = i2c.performTransactions(bus, address, txn);
-                    }
-                } else {
-                    results = i2c.performTransactions(bus, address, txns1);
-                }
-            } catch (IOException e) {
-                setText("error while reading back: " + e);
-                return;
-            }
-
-            if (stop)
-                data = results[0].data;
-            else
-                data = results[1].data;
-
-            LED2VAL = (((int)data[1]) << 16) |
-                      (((int)data[2] & 0xFF) <<  8) |
-                      (((int)data[3] & 0xFF));
-            try {
-                this.buf.writeInt(LED1VAL);
-                this.buf.writeInt(LED2VAL);
-            } catch (IOException e) {
-                Log.e(TAG, "IOException: " + e);
-            }
-
-            updateString = String.format("%8d %8d", LED1VAL, LED2VAL);
-            setText(updateString);
-        //    try {
-        //        Thread.sleep(50);
-        //    } catch (InterruptedException e) {
-        //        Log.e(TAG, e.toString());
-        //    }
-        }
-
-        try {
-            this.buf.close();
-        } catch (IOException e) {
-            Log.e(TAG, "IOException: " + e);
-        }
-    }
-
-
-    private static I2cTransaction WriteReg(int reg, int b1, int b2, int b3) {
-        return I2cTransaction.newWrite(0x01, reg, b1, b2, b3);
-    }
-
-    // ------------------------------------------------------------
-
-    private void setText(String text) {
-        this.listener.updateAFE4400Status(text);
-    }
-
-    public void requestStop() {
-        this.stopped = true;
-    }
-
-    public boolean isStopped() {
-        return this.stopped;
-    }
-}
diff --git a/src/com/projectara/araepm/Mlx90620Listener.java b/src/com/projectara/araepm/Mlx90620Listener.java
deleted file mode 100644
index c2d87b6..0000000
--- a/src/com/projectara/araepm/Mlx90620Listener.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.projectara.araepm;
-
-public interface Mlx90620Listener{
-    public void updateAFE4400Status(String status);
-}