David Weber
McKinney,TX
Summary
Influential engineering technologist with extensive embedded system domain knowledge, excellent oral and written communication skills, and broad-based experience guiding direction of hardware, firmware, software, and system architecture projects and teams.
Overview
38
38
years of professional experience
Work History
Vice President Engineering
OxeFit, Inc
07.2021 - Current
- Directed Embedded Software, Firmware, UI, and Electrical Engineering teams in the development of motorized fitness equipment for professional and consumer markets.
- Cultivated relationships with key stakeholders, including customers, vendors, and company leaders to promote collaboration and long-term success.
- Collaborated with senior management to develop strategic initiatives and long term goals.
- Defined and developed Electrical and Firmware architecture for 2nd generation products.
- Designed SoM PCB with MCU, Ethernet, USB and SPI interfaces.
- Developed System Monitor to control startup and shutdown of software services, and to monitor run-time performance, using Python.
- Developed firmware and middleware for STM32 MCUs and Linux platforms, respectively.
- Led cross-functional teams and provided technical guidance and mentorship.
- Recruited, interviewed and scaled team to 20 engineers.
- Managed field service team
- Transformed customer experience by designing and executing comprehensive service improvement initiatives aimed at enhancing satisfaction levels.
Chief Signal Processing Scientist
L3Harris Technologies, Inc
04.2020 - 07.2021
- Developed FPGA blocks for RADAR signal processing system, using Vivado, System Verilog, and Xilinx Zynq Ultrascale RFSoCs
- Defined AXI bus interface to AGC
- Obtained DOD security clearance.
Principal Research Engineer
Abbott Laboratories
04.2012 - 04.2020
- Architected and developed firmware for two large-scale blood analyzers, one of which has been instrumental in early rapid Covid-19 testing
- Defined firmware and hardware architectures and implemented on 20 Cortex M4/7-based control boards, featuring stepper motor, liquid level sense, optics, temperature, and solenoid control, and pressure, current, and voltage monitoring, firmware, FPGA & motor controller upgrades over network
- Defined FPGA functional requirements
- Created python scripts to enable test and debug board and system issues
- Defined network command/response/debug interfaces
- Implemented Windows command-line utilities for updating MCU Flash, FPGA SPI Flash, and motor controller Flash over network
- Implemented primary and secondary bootloaders
- Developed HAL for on-chip peripherals, such as SPI, I2C, UART, Timers, etc
- Developed APIs for multiple motor controller chips and FPGA
- Bring-up of ThreadX RTOS & NetX TCP/IP stack
- Development using IAR EWARM tools
- Instrumental in driving commonality of firmware and hardware design into all control boards
- Led migration to Altera Cyclone V SoC processing platform
- Led team of eight firmware/electrical engineers.
Software Application Engineering Team Lead
Avnet Electronics Marketing
01.2011 - 04.2012
- Bridging the software engineering gap between semiconductor suppliers, FAEs, and customers
- Support customers using Embedded ARM/Linux on Freescale, TI, Marvell, and Atmel processors
- Developed embedded Linux training material for Beagleboard-xM development board and presented at 1-day seminars in 12 cities across North America
Owner
Domain, Zone.com
03.1999 - 04.2012
- Responsible for all aspects of company creation and management, including business, financial, and marketing plans, technical implementation, and customer support
- Successfully built business to 350 web hosting customers
- Developed domain registration service to complement web hosting service
- Successfully built customer base to include over 12,000 registered domain names
- Responsible for configuration of Linux Web Servers, including Apache, Sendmail, Bind, Proftpd, MySQL, and PHP for use in a virtual web hosting environment
- Developed multi-process, Web-based Control Panel (using C, PHP, bash scripts, IPC) for managing individual virtual domains
- Developed POP3 daemon server (using C and TCP/IP) to support mail retrieval from email accounts associated with each virtual domain
- Developed web-based account management and billing system using PHP and MySQL
- Responsible for direct customer interaction and support.
Senior System Software Engineer
Coherent Logix, Inc
12.2008 - 01.2011
- System software architecture for Software Defined Radio (SDR) development platform for Coherent Logix's massively- parallel DSP architecture
- Created PHP scripts to generate register access data structures and C source code enabling registers to be read by name from a command interpreter
- Responsible for low-level hardware access functionality for diagnostic application, as well as components of an API library
- Developed C++ client/server socket classes, SPI Flash programming utility, C# client to test server connect/disconnects, .elf file parser/loader that loads code/data into 100 DSPs and 121 memory banks via JTAG interface, and a compressed bootloader and command interpreter for International Space Station radiation experiment/test system
- Configured embedded Linux development environment, including NAND-based root filesystem, bootloader, and cross tool chain
- Developed embedded Linux DMA-based device drivers and applications to enable high-speed transfers from OMAP3530 processor to DSP
- Developed embedded Linux servers and command-line & GUI clients for JTAG-like debugger probe based on iMX31 (ARM11) processor using C, C++, and Java.
Staff Software Engineer
Qualcomm
06.2008 - 12.2008
- C/C++ Library development for VLIW DSP
- Created Python scripts to populate multilib libraries
- Ported various open-source libraries to VLIW DSP.
Senior Software Engineer
Alereon, Inc
10.2006 - 06.2008
- Mask-ROM bootloader development and initial bring-up of ARM968-based SoC
- ROM RTL simulation creation, execution, and acceptance testing
- Developed software for Ultra-Wideband (UWB) SoC for the WiMedia and Wireless USB (WUSB) market, including WHCI protocol (over PCI Epxress), USB High Speed Device and SPI interface driver development, ROM Monitor over RS232, and SPI flash boot manager, using ARM assembly and C
- Created web-based tools to auto-generate register access definitions (header files, html files, and debugger files) using PHP scripts.
Senior Embedded Software Application Engineer
SigmaTel, Inc
07.2004 - 10.2006
- Responsible for development and support of a Linux board support package and corresponding web site, and an OS-less chip support package for SigmaTel's ARM926-based STMP36xx multimedia SoC
- Responsible for kernel configuration, cross tool chain and root filesystem creation, bootloader development, debugger hardware evaluation and selection, and device driver development for audio input, audio output, and low-resolution ADC devices
- Responsible for support of international customers, partners, and design houses
- Led the chip bring-up process for first silicon
- Designed and developed mask ROM startup code for several iterations of STMP3XXX using ARM assembly and GHS Multi
- Responsible for initial SoC bring-up/debug activities
- Developed validation test code for Realtime Clock and UART blocks on STMP3600 SoC
- Provided demonstrations and training to SigmaTel-Korea Application Engineers and several key customers
- Ported 100+ validation test cases to the GHS environment for initial STMP3600 chip bring-up
- Designed and developed External Memory Interface (EMI) Hardware API for STMP3600 SDK.
Principal Software Engineer
Emerson Process Management, Inc
08.2001 - 07.2004
- Responsible for the concept, specification, design and development of a redundant peer-to-peer communication subsystem for a safety-certified multi-processor industrial control system utilizing the Motorola MPC866 processor, Green Hills INTEGRITY RTOS, C/C++, and Rhapsody UML
- Conceived remote peer communication system using Ethernet protocol over fiber, which enabled 32 interconnected backplanes, each with up to 32 local peer bus controllers
- Responsible for the evaluation of tool chains (compiler, linker, debugger, and OS), board startup and debug activities, and HDLC device driver development
- Responsible for design and development of a deterministic time division multiplexing (TDM) protocol allowing 32 devices to broadcast every 50 ms
- Designed and developed startup and run-time synchronization algorithms, allowing hot swapping on a live field system.
Consultant
Abbott Laboratories
05.1995 - 01.2000
- Responsible for development of embedded real-time temperature control system using the TMS320C203 DSP, TI's C Compiler and Debugger, and Code Composer
- The system featured 32 channels of control, downloadable flash, dynamic memory re-mapping, ASCII RS232 command interface, programmable control parameters, PID control algorithm, and alarm generation
- Developed Windows flash loader using Borland C++ Builder
- Responsible for development of 68360/pSOS device drivers, using C programming language, for assorted devices used in medical diagnostic products, including RS232 and RS485 barcode readers, RS232 temperature controller, ISA Bus liquid sense board and pressure monitoring boards
- Designed FPGA to interface between the PC parallel port and the BDM port of the 68360 using Altera tools
- Responsible for initial bring-up and debug of Motorola MPC860 and 68360 communication processor boards
- Developed internal and external resource initialization sequence
- Developed boot-up diagnostics to test internal SRAM and external Flash and SDRAM, internal and external communication hardware, including UARTs, SPI, I2C, Ethernet devices, and digital IO interface FPGA, using assembly and C programming languages
- Responsible for developing a PC-based medical instrument prototype, including requirements analysis, design, coding, and support
- System software activities included device drivers for OMS motor indexer, Intel's 8254 counter timer, 8255 programmable peripheral interface, a 4 channel 16550 asynchronous communications controller, and a custom dual- wavelength optical measurement system
- Defined and implemented command language interface (CLI) to allow users to manipulate the prototype's robotics and measurement systems
- Designed and developed Windows GUI interface to allow users to create and execute CLI scripts.
Consultant
Burlington Northern Railroad
12.1994 - 05.1995
- Responsible for the configuration of High Availability Cluster Multi-Processing (HACMP) software and system administration for AIX RS/6000 cluster
- Performed system administration function including custom korn shell script programming
- Designed and developed Motif-based file manager and source code editor using C++/AIX
- Designed and developed error handling classes for client/server communication system using C++/AIX.
Consultant
Bell Northern Research
09.1994 - 12.1994
- Responsible for call processing software requirements analysis for CDMA project using Northern Telecom's DMS-MTX cellular switching system.
Lead Analyst
Sprint
02.1994 - 09.1994
- Responsible for switch interface improvement project concept, including development of machine-machine interface specification and prototype for DMS-250 telephone switching system
- Created architecture for UNIX workstation development/production environments.
Senior Software Engineer
Abbott Laboratories
01.1987 - 02.1994
- Responsible for design and development of automated test equipment for medical diagnostic instruments, both at the instrument and subassembly levels
- Led team from concept through delivery and support, including responsibility for initial concept, selection of hardware platform and software development tools, feasibility analysis/simulations, software development plan, project schedules, cost estimates, design, coding, testing, executive presentations, hardware/software procurement, software release management, validation, and factory support
- Managed $500K project budget
- The test stations were based upon networked HP9000/7xx workstations, with software being developed using C, C++, HP-UX, X-Windows/Motif, TCP/IP
- Designed and developed Motif-based GUI, inter- process communications, statistical process control charts, RS232 communications, ASTM packet-based communication protocol, instrument test routines, stepper motor indexer interface, and terminal emulator
- Lead Engineer responsible for design and development of reliability test and data acquisition systems for electro-optical and multi-axis robotic systems
- Systems included real-time control software, GUI class library, icon editor, RS232 serial communications, device drivers for digital I/O board, motor indexer board, touch screen using C++ programming language
- Responsible for design and development of medical instrument test systems including control and data collection software for robotic and electro-optical subsystems used in medical diagnostic instruments
- Software was developed using the C programming language
- Responsible for entire project from concept through delivery and support
- The test stations were based upon stand-alone PCs utilizing touch screen, mouse, barcode wand, GPIB interface to voltmeter, photometer, high voltage power supply, and digital/ analog I/O modules
- Developed custom optical system and interface circuitry for programmable lamp, thermo-electric cooler servos, lamp and solenoid control/drive, transconductance amplifiers
- Redesigned micro-stepping motor driver board for desktop blood analyzer
- Designed motor controller/driver board for various assembly/test fixtures
- Performed general electrical engineering duties in a sustaining environment.
Education
Bachelor of Science - Computer Science
University of Texas at Dallas
Richardson, TX1991
Associate of Applied Science - Electronic Engineering Technology
Hawkeye Institute of Technology
Waterloo, IA1984
Skills
- Team Leadership
- Decision-Making
- Coaching and Mentoring
- Developing and troubleshooting complex systems
- Embedded software, firmware, hardware architecture, design, and implementation
- ARM Platform development
- 3-phase BLDC motor control
- FPGA development using Xilinx Vivado & Ultrascale RFSoCs & System Verilog
- Embedded Linux development RTOS & Bare-metal development
- Team building, management, and technical leadership
- Requirements definition
- IoT Sensor & Gateway Systems
- Multitasking embedded real-time systems
- Device drivers
- Communication protocols
- Medical devices
- Multi-axis robotic systems
- Electro-optic systems
- PID/Control systems
- Automated test and measurement systems
- Safety Systems
- Client-server systems
- Mask ROM development & RTL simulation/verification
- Startup & bootloader development
- ASIC SoC and PCB bring-up and debug
- PCB design & layout
- API implementation
- Chip/board support package development
- Hardware/software interaction
- Use of logic analyzers and oscilloscopes
- Web site development using HTML/PHP
- Agile software development
- System design and documentation
- Embedded Linux Training material development and presentation
- C, C, C#, Assembly, HTML, Perl, PHP, Python, Java, Bash, System Verilog
- Linux, ThreadX, Green Hills INTEGRITY, Windows, Android
- MPC866, PowerPC, TI TMS320C203 DSP, ARM7, ARM926, ARM968, ARM11, ARM Cortex A8, STMP3600, AL5300, AL5350, iMX31, iMX28, iMX53, OMAP3530, OMAP3730, STM32F4xx, STM32F7xx, ARM Cortex M3/4/7, Xilinx Zynq Ultrascale RFSoCs
- USB, TCP/IP, UART/RS232/RS422/485, GPIB, SPI, I2C, Ethernet, HDLC, NFC, BLE Beacon, HTTP, WiSUN
Timeline
Vice President Engineering
OxeFit, Inc
07.2021 - Current
Chief Signal Processing Scientist
L3Harris Technologies, Inc
04.2020 - 07.2021
Principal Research Engineer
Abbott Laboratories
04.2012 - 04.2020
Software Application Engineering Team Lead
Avnet Electronics Marketing
01.2011 - 04.2012
Senior System Software Engineer
Coherent Logix, Inc
12.2008 - 01.2011
Staff Software Engineer
Qualcomm
06.2008 - 12.2008
Senior Software Engineer
Alereon, Inc
10.2006 - 06.2008
Senior Embedded Software Application Engineer
SigmaTel, Inc
07.2004 - 10.2006
Principal Software Engineer
Emerson Process Management, Inc
08.2001 - 07.2004
Owner
Domain, Zone.com
03.1999 - 04.2012
Consultant
Abbott Laboratories
05.1995 - 01.2000
Consultant
Burlington Northern Railroad
12.1994 - 05.1995
Consultant
Bell Northern Research
09.1994 - 12.1994
Lead Analyst
Sprint
02.1994 - 09.1994
Senior Software Engineer
Abbott Laboratories
01.1987 - 02.1994
Bachelor of Science - Computer Science
University of Texas at Dallas
Associate of Applied Science - Electronic Engineering Technology
Hawkeye Institute of Technology
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