Greg Hartl Email & Phone Number

Framingham, Massachusetts, Us

Algorithm, DSP, and Firmware engineer in the emerging wearable technology field.

Suwanee, Ga, Us

· Member of the software team responsible for low-level production code· Modified and updated Xilinx PCIe drivers for a Linux kernel to communicate with Spartan-6 FPGA· Developed a GUI in the Qt SDK (Linux target) to transfer user input from PC to PC, from PC totarget FPGA via PCIe connection, and PC to COM of MCU· Updated, modified, and added microcontroller code from STM32 32-bit including UARTcommunication, GPIOs, and timers

Chicago, Il, Us

• Member of the DSP team developing Land Mobile Radios; worked closely with other groups including Low Level, Hardware, Host, and local teams as well as teams located abroad• Developed and implemented Proof of Concept (PoC) software to evaluate new hardware, including: analog and APCO single and dual RF and audio streams, analog and APCO test pattern generation, and debugger code to setup radio personalities• Implemented and tested microphone and speaker selectivity, mute logic, and enable logic• Worked with hardware and low level teams to setup and debug codec programming sequences• Helped to refactor audio C++ classes and apply OO concepts• Implemented, debugged, and tested mode changes (i.e. conventional analog and APCO modes)• Familiarity with Project 25 / APCO protocols• Implemented audio SSI loopback functionality• Updated transceiver state machine for new software architecture• Created sanity test documents, performed on-target testing, helped set-up hardware, and train others with on-target testing• Obtained Brainbench certification in C++ and OO concepts• Worked in an Agile Software Development environment

Atlanta, Georgia , Us

Georgia Tech ECE Class Projects• Built and programmed a digitally controlled analog synthesizer• Built and soldered an audio range voltage controlled oscillator• Simulated state machine in QNX RTOS using multiple threads• Implemented portions of encryption algorithms (i.e. DES, AES, etc)• Implemented control loop/feedback using LEGO Mindstorms NXT• Employed LEGO Mindstorms IR sensors to create a line-following robot• Configured a PC running Linux using VMware to simulate a router• Made custom LED board with microcontroller to be placed between a bicycle's spokes to create an image while in motion• Created remote temperature sensor using a thermocouple and Freescale's Tower System that displayed temperatures onto a webpageSignal Processing • Fundamentals of signal processing, including Fourier Transform implementation (FFT)• Digital Speech Processing; includes modeling the vocal creation mechanism, short-time Fourier Transform (STFT), filtering of speech, and coding mechanisms• Concepts of Upsampling/Downsamping with filter banks• Filter design using MATLAB• Data Compression and Modeling; includes introduction to lossy and lossless coding techniques, quantization, and compression techniques in audio/visual media• Familiarity with Discrete Cosine Transform (DCT) and its application to JPEG compression• Using Gram-Schmidt algorithm to form orthobasis• Introduction to wavelets and their applications• Overview of Synthetic Aperture Radar (SAR) concepts• Loop unrolling and pipelining in Catapult CControl Theory• Design of second order PID loop in MATLAB• Discretize transfer functions to be used in embedded systems• Working with transfer function and state space representation of systems• Introduction to concepts of controllability, reachability, and optimization of systems • Introduction to adaptive control techniques with a strong mathematical foundation

Largo (Tampa Bay), Fl, Us

• Programmer for microcontrollers and integrating peripherals• Working with coworkers to debug and troubleshoot software bugs• Prototyped circuits with microcontrollers• Wrote PC software with LabWindows to test FTP• Tested custom data packet protocol for future products• Wrote software requirements and test protocols for products • Ran test protocols for Validation and Verification• Integrated JTAG debugger for loading software into devices• Helped in design and demonstration of a GUI flow of new products• Reviewed and analyzed schematics of products• Data sheet analysis for component selection

Master Of Science (M.S.), Electrical And Computer Engineering

Bachelor'S Degree, Electrical Engineering