diff --git a/js/data_storage.js b/js/data_storage.js
index 00c2c4d294..35e55ab808 100644
--- a/js/data_storage.js
+++ b/js/data_storage.js
@@ -51,7 +51,7 @@ var SENSOR_DATA = {
     kinematicsX:   0.0,
     kinematicsY:   0.0,
     kinematicsZ:   0.0,
-    debug:        [0, 0, 0, 0]
+    debug:         [0, 0, 0, 0]
 };
 
 var MOTOR_DATA = new Array(8);
diff --git a/js/stm32dfu.js b/js/stm32dfu.js
new file mode 100644
index 0000000000..4c9c4436bc
--- /dev/null
+++ b/js/stm32dfu.js
@@ -0,0 +1,82 @@
+/*
+    USB DFU uses:
+    control transfers for communicating
+    recipient is interface
+    request type is class
+*/
+
+var STM32DFU_protocol = function() {
+    this.hex; // ref
+    this.verify_hex;
+
+    this.handle = null; // connection handle
+
+    this.command = {
+        DETACH:     0x00, // OUT, Requests the device to leave DFU mode and enter the application.
+        DNLOAD:     0x01, // OUT, Requests data transfer from Host to the device in order to load them into device internal Flash. Includes also erase commands
+        UPLOAD:     0x02, // IN,  Requests data transfer from device to Host in order to load content of device internal Flash into a Host file.
+        GETSTATUS:  0x03, // IN,  Requests device to send status report to the Host (including status resulting from the last request execution and the state the device will enter immediately after this request).
+        CLRSTATUS:  0x04, // OUT, Requests device to clear error status and move to next step
+        GETSTATE:   0x05, // IN,  Requests the device to send only the state it will enter immediately after this request.
+        ABORT:      0x06  // OUT, Requests device to exit the current state/operation and enter idle state immediately.
+    };
+
+    this.status = {
+        OK:                 0x00, // No error condition is present.
+        errTARGET:          0x01, // File is not targeted for use by this device.
+        errFILE:            0x02, // File is for this device but fails some vendor-specific verification test
+        errWRITE:           0x03, // Device is unable to write memory.
+        errERASE:           0x04, // Memory erase function failed.
+        errCHECK_ERASED:    0x05, // Memory erase check failed.
+        errPROG:            0x06, // Program memory function failed.
+        errVERIFY:          0x07, // Programmed memory failed verification.
+        errADDRESS:         0x08, // Cannot program memory due to received address that is out of range.
+        errNOTDONE:         0x09, // Received DFU_DNLOAD with wLength = 0, but device does not think it has all of the data yet.
+        errFIRMWARE:        0x0A, // Device's firmware is corrupt. It cannot return to run-time (non-DFU) operations.
+        errVENDOR:          0x0B, // iString indicates a vendor-specific error.
+        errUSBR:            0x0C, // Device detected unexpected USB reset signaling.
+        errPOR:             0x0D, // Device detected unexpected power on reset.
+        errUNKNOWN:         0x0E, // Something went wrong, but the device does not know what it was.
+        errSTALLEDPKT:      0x0F  // Device stalled an unexpected request.
+    };
+
+    this.state = {
+        appIDLE:                0, // Device is running its normal application.
+        appDETACH:              1, // Device is running its normal application, has received the DFU_DETACH request, and is waiting for a USB reset.
+        dfuIDLE:                2, // Device is operating in the DFU mode and is waiting for requests.
+        dfuDNLOAD_SYNC:         3, // Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
+        dfuDNBUSY:              4, // Device is programming a control-write block into its nonvolatile memories.
+        dfuDNLOAD_IDLE:         5, // Device is processing a download operation. Expecting DFU_DNLOAD requests.
+        dfuMANIFEST_SYNC:       6, // Device has received the final block of firmware from the host and is waiting for receipt of DFU_GETSTATUS to begin the Manifestation phase; or device has completed the Manifestation phase and is waiting for receipt of DFU_GETSTATUS.
+        dfuMANIFEST:            7, // Device is in the Manifestation phase. (Not all devices will be able to respond to DFU_GETSTATUS when in this state.)
+        dfuMANIFEST_WAIT_RESET: 8, // Device has programmed its memories and is waiting for a USB reset or a power on reset. (Devices that must enter this state clear bitManifestationTolerant to 0.)
+        dfuUPLOAD_IDLE:         9, // The device is processing an upload operation. Expecting DFU_UPLOAD requests.
+        dfuERROR:               10 // An error has occurred. Awaiting the DFU_CLRSTATUS request.
+    };
+};
+
+STM32DFU_protocol.prototype.openDevice = function(callback) {
+};
+
+STM32DFU_protocol.prototype.closeDevice = function(callback) {
+};
+
+STM32DFU_protocol.prototype.claimInterface = function(callback) {
+};
+
+STM32DFU_protocol.prototype.releaseInterface = function(callback) {
+};
+
+STM32DFU_protocol.prototype.resetDevice = function(callback) {
+    chrome.usb.resetDevice(this.handle, function(result) {
+        console.log('Reset Device: ' + result);
+
+        if (callback) callback();
+    });
+};
+
+STM32DFU_protocol.prototype.controlTransfer = function() {
+};
+
+// initialize object
+var STM32DFU = new STM32DFU_protocol();
\ No newline at end of file
diff --git a/main.html b/main.html
index 5d857a29ae..59373e691a 100644
--- a/main.html
+++ b/main.html
@@ -32,6 +32,7 @@
         <script type="text/javascript" src="./js/msp.js"></script>
         <script type="text/javascript" src="./js/backup_restore.js"></script>
         <script type="text/javascript" src="./js/stm32.js"></script>
+        <script type="text/javascript" src="./js/stm32dfu.js"></script>
         <script type="text/javascript" src="./js/localization.js"></script>
         <script type="text/javascript" src="./main.js"></script>