Mac Marshall Email & Phone Number

• Created Python program to generate Verilog code for user specified interconnection of hardware modules in FPGA.
• Contributed to Python program to automate running Vivado FPGA tool.
• Created prototype compiler for proprietary network processor with simulator and interface to hardware device in C and Python.
• Ported, interfaced and fixed bugs in Xilinx supplied Vitis HLS (C code compiled into FPGA hardware) for ZLIB compression algorithm.

• Created system to analyze PCB schematic net lists to verify interconnection of hundreds of data paths through multiple PC boards, extract I2C address and bus id of devices.
• Wrote firmware for use in board bring up, control and testing with ARM Cortex M0 and FreeRtos with drivers for I2C, SPI and JTAG.
• Contributed to bring up, testing and debugging of hardware for several products.
• Converted same firmware for board control in production product.
• Worked on in circuit programming and signal level testing of multichannel gigabit optical transceivers.

• Serdes bringup and diagnostics.
• System and PCB netlist connectivity analysis in Python.
• Study and evaluate potential design topologies for hardware emulator of digital designs, using simplified simulator.
• Analyze statistical distribution of interconnections between blocks of digital designs.

San Jose, CA, US

• Noninvasive (Raman spectroscopy) blood glucose level monitor.
• Develop, debug, test, and calibrate spectroscopic instrument.
• Develop Raman spectroscopy and chemometric data analysis algorithms.
• General programming in Matlab, translating Matlab to C.
• Data analysis group responsibility is developing process to use infrared spectrum emitted by Raman scattering through skin to estimate blood glucose level. Worked on following issues:
• PLS training – using clinical test data to generate master estimation data. Study methods to avoid confounding signal. Build GUI for quickly testing effects of data and parameter selection.

San Jose, CA, US

• FPGA based traffic analyzer extension to network interface card. Worked with FPGA architect/designer and software team.
• Simulated and help design FPGA hashing algorithms, contributed to design of FPGA networking functionality.
• Wrote and testing C model of FPGA design for early discovery of issues and for testing/validating of final design, wrote driver for FPGA functionality for final firmware.
• Wrote software side of co-simulation of fpga verilog with C model.
• Wrote firmware for microcontroller built into FPGA for memory and peripheral tests, flash programming, FPGA reload, communicating with host using shared memory over PCI.

* Embedded Medical Device. Designed and coded interpreter and state machines for events and speech generation. Helped specify requirements. Designed interpreted language. Code runs both in embedded device and windows for simulation. Designed and coded debug and event generation code in separate threads for simulation.

Santa Clara, California, US

* Taught course in embedded programming using C language.

2009* Email anti spam system based on micro payment transfer. Founding member. Developed strategies and algorithms. Cryptographic algorithms. Website design and testing.

* Validated and exercised AMCC network processor evaluation system.

Acquired by Cisco in 2007* Wrote Linux kernel drivers supporting proprietary network router ASICs.* Wrote and debugged set of interlinked drivers and kernel modules supporting multiple functions of ASIC, including indirect register access on remotely connected ASICS, Ethernet packet scatter-gather, fair use algorithm for interrupt handler time consumption..

Acquired by Level One Communications, subsequently acquired by Intel Corp.* Responsible for software drivers for PHY and MAC devices and hardware debug.* Primary debugging of hardware problems and software liaison for hardware issues.* Investigated and characterized flaws in hardware design.* Power on self test code for CPU subsystem, Ethernet PHY/MAC and.

* Wrote interrupt controlled high speed driver for Ethernet transceiver chip with DMA, flash memory driver allowing program update concurrent with normal operation, drivers for UART, block mode parallel port and serial nonvolatile RAM.* Ported Ethernet print spooler software to OEM board with dual ported RAM interface. Added vendor specific functionality.

* Designed and implemented motion control for computerized engraving machine machines for sign and trophy making. Designed and wrote motion control software for fast smooth curved path motion, speed reduction on tight curves with appropriate deceleration in advance and real-time user pause and control of speed. Specified design for low cost three axis.

* Created multi-station seating and order system for restaurants based on Z80: design of all electronics and programming in C and assembly.* Wrote multi-axis coordinated motion assembly language firmware for stepper motors for 6502 controller.* Wrote monitoring system for a network of controllers in a distributed municipal pumping system.

* Designed electronics and software for 10,000 wire spark chamber.* Performed data analysis to identify electron pairs produced in elementary particle collisions.* Publications: Nuclear Instruments and Methods; Physics Letters

* Designed video character generator logic. Worked on low cost modem design. Wrote complete text editor in assembly language. Wrote disk I/O modules for multitasking OS.

Ph.D, Experimental Elementary Particle Physics

B.A., Math And Physics

B.A., Math And Physics

B.A, Mathematics And Physics