September 2005

RESUME of William C. Simpson

Interface Consultants, Inc.
3375 Westpark Drive #143
Houston, Texas 77005-4262

713 / 529-3706 Work

Internet Email Address: neo@ifc2.com
WWW home page URL: http://www.ifc2.com

CAPABILITIES: Software/Hardware design:

• Software:
Device Drivers, BIOS, C, Assembly, Unix Internals, UNIX (FreeBSD, OpenBSD), Linux, AIX, SGI, Sun, HP-UX,
• Applications:
SCSI, Fibre Channel, Network, Embedded Systems.
• Hardware:
Intel and Motorola Microprocessors, FPGA, PALS, State Machines, TTL, CMOS, excellent debugging skills.
• Interfacing:
PCI, PCMCIA, ISA, Versatec, DR11-W, serial and parallel ports.

EDUCATION: B.S.E.E., M.S.E.E., plus 21 post-master's credits.

• June 1975 to May 1977 Studies toward PhD in Electrical Engineering (ABD) (4.0 of 4.0, 21 credits)
Lehigh University, Bethlehem, PA
• December 1974 M.S. Electrical Engineering (3.8 ave. of 4.0)
Rensselaer Polytechnic Institute, Troy, NY
• June 1972 B.S. Electrical Engineering (3.6 ave. of 4.0)
Lehigh University, Bethlehem, PA

EXPERIENCE: 32 years of software/hardware design.

Interface Consultants, Houston, TX (9/85-present) - Contract consulting on the following projects:

• Developed embedded Linux SCSI target emulation of media changer (tape library) devices. (2005)
•  Performed performance profiling to optimize data throughput during data compression. (2005)
•  Modified RedHat Linux SCSI target emulation to support autosense to support Fibre Channel. (2005)
•  Developed ANSI tape labeling utility for ASCII and EBCDIC tape labels in C on RedHat Linux. (2005)
•  Debugged RedHat Linux SCSI device driver shared memory pinning for DMA issue.  This difficult problem required capturing SCSI bus traces on site and writing debug code to obtain data visibility. (2005)
•  Wrote utility to verify virtual tape data integrity by validating meta-data, headers, and compressed data.
  
•  Wrote utility to dump tape format and data for virtual and physical tapes in C under RedHat Linux. (2005)
•  Design and analysis for file system performance tuning under FreeBSD and RedHat Linux. (2005)
•  Developed SCSI pass thru library using SG_IO ioctl under RedHat Linux. (2005)
  
• Developed embedded Linux SCSI target emulation and Fibre Channel target emulation for tape backup appliance under RedHat ES. (2004)
• Developed embedded firmware for 4 barrel frozen drink machine. (2004)
• Developed data compression feature for TapeLabs TapeServer virtual tape emulation appliance. (2004)
• Expert witness on the PCI bus. Detailed review and analysis of PCI bus arbitration, fast back-to-back bus cycles, and chipset HDL implementations. (2004)
• Developed FreeBSD Fibre Channel target emulation for TapeLabs TapeServer embedded appliance. (2003)
• Developed virtual tape drive emulation for TapeLabs TapeServer embedded appliance. Emulated tape drive media using SAN disk files. Apache and PHP web based user interface developement. (2003)
• Expert witness on PC architecture. Detailed review and analysis of ISA bus hot key IRQ implementations, cache memory, paged memory. (2003)
• Developed FreeBSD based factory diagnostics, ported device drivers and kernel to new chip sets, revised Broadcom gigabit ethernet driver for Panasas NAS disk storage clusters .(2002)
• Revisions to machine tool dimensional tolerance program in C. (2002)
• Developed embedded firmware in C to implement automatic beverage machine cleaning cycle, cell phone modem data reporting, special diet drink operation modes, and dial-up modem status reporting. Developed Apache and PHP web based FreeBSD server for web based data reporting. (2001)
• Set up and maintain Apache web servers, email servers, and DNS servers under FreeBSD. (1999)
• Developed TapeLabs FreeBSD based SCSI tape and library management switch using Apache web server, PHP, Postgress, and C. SCSI target device driver development for Adaptec SCSI controllers. (1999 - 2003)
• Wrote Sun Solaris SCSI printer target driver for high speed color and monochrome printers. (1999)
• Ported AMI MegaRAID PCI SCSI RAID disk controller to Solaris 2.7 for X86 and Sparc. Added private ioctl interface. (1999)
• Wrote IBM RS/6000 AIX 4.1/4.2 STREAMS device driver for ISA internal modem. (1998)
• Wrote SGI IRIX 6.4 and 6.5 device driver for Ikon 10118 DR11W PCI interface board. (1998)
• Ported AMI MegaRAID PCI SCSI RAID disk controller and Realmode boot driver to Solaris 2.6. (1998)
• Unix kernel port of TCP/IP compression product to IBM AIX 4.3, HPUX 11, and Solaris 2.6 for BMC Software. (1998)
• Wrote IBM RS/6000 AIX 4.2 device driver for Symbios/NCR PCI SCSI adapter - tape drive emulation. (1998)
• Wrote high performance OpenBSD and FreeBSD UNIX device driver for AMI MegaRAID PCI RAID disk controller. (1997)
• PC BIOS modifications to add PCMCIA ATA flash disk boot and run of BSDI Unix for IP V6 Internet router for Compaq Network Products Division. (1997)
• Wrote SGI O2 IRIX 6.3 device driver for PCI bus high speed interface. (1997)
• Wrote IBM RS/6000 AIX 4.2 network device driver for Alteon (Nortel) PCI Gigabit ethernet adapter. (1997)
• Designed high accuracy measuring system using Actel FPGA, optical encoder, quadrature decoding, and IR communication. (1997)
• Notebook PC system keyboard controller 8051 BIOS code development to support battery I2C interface for Compaq. BIOS development to support Win95, changes to Plug-and-Play, PCMCIA, hibernation, suspend/standby, screen save, Advanced Power Management 1.0/1.1 (APM), docking. ISA Plug-and-Play (PnP) development under Win95. (1995 - 1997)
• Wrote IBM RS/6000 AIX 4.2 device driver for PCI bus high speed interface. (1996)
• Wrote Linux and MSDOS SCSI target driver for NCR Symbios 53C8XX controller. Tape drive emulation. (1996)
• Wrote IBM RS/6000 AIX 4.2 device driver for high speed printer/plotter. Support for smit and installp. (1995)
• Design of sub-sea blow out protection control system using RadiSys and Force VME system running VRTX on Motorola 68332 CPU. (1995)
• Design and analysis of pharmacy pill dispensing machine for MediTrol. (1995)
• Embedded scanning/alarm system. Modbus RTU protocol. (1995)
• Embedded real-time control firmware using 68HC11 microprocessor. (1994)
• Ported IBM RS/6000 AIX 4.1.2 device driver for Ikon 10113 plotter interface and Ikon 10111. (1994)
• HDLC communications controller modifications. (1994)
• SunOS and Solaris SCSI target drivers for thermal and color Schlumberger printers. (1993)
• Ethernet device driver for IntelNetport print server for Intel. (1993)
• Wrote IBM RS/6000 AIX 3.2.5 device driver for Ikon 10113 high speed plotter interface. Training video for device driver installation, trouble shooting and theory of operation. (1993)
• Solaris SBUS device driver development for Texas Microsystems, Inc. (1993)
• Embedded PC firmware for hand held leak detector. (1993)
• Embedded real-time control firmware using 68HC11 microprocessor. PC Modbus master station and 68HC11 Modbus RTU data acquisition and control. (1993)
• Wrote embedded burn in test diagnostic firmware for 80186eb in Microsoft C. PC host control program in C using C-scape and Async Manager libraries. Communications using Modbus protocol and IIC. Also programmed 80C781 (8051 family) in C for Daniel Industries (1993)
• Taught 486 architecture 5 day courses at Intel Chandler, AZ, Intel Folsom, CA, Intel Portland, OR, Texas Instruments Dallas, TX, and Unisys Salt Lake City, UT. Developed and presented 486SL course and logic analyzer lab for Computervision. (1993)
• Wrote Novell Netware device drivers for 82595 LAN chip in assembly language using MASM 5.1 and 6.0 for Intel. (1992)
• Industrial PC hardware and firmware design. Custom motherboard BIOS extensions using C-thru ROM.
• Embedded 80186 firmware design for Conitel 2020 and Redac 70 RTU protocols under IBM RCM real-time executive. (1991)
• Designed two PC/AT bus (ISA) boards to interface to HGS LaserDot plotter and Versatec interfaces. Work included circuit design, Actel FPGA design, PCB layout, and debug. Wrote BIOS extension for DMA support of printer interrupt 17h. (1991)
• Design and debug of 486/33 EISA motherboard using Intel 82350DT chipset for Intel. (1991)
• Wrote MS-DOS device driver for IKON 10111 high speed Centronics/Versatec plotter interface. TSR extends BIOS printer interrupt 17h to support double buffered DMA. (1991)
• Programming in C for PC network plot spooler using TCP/IP. Included BIOS level programming and real-time DMA and interrupt handling. (1990)
• Design of Ethernet and Token Ring coprocessor using 386SL processor for Intel. (1990)
• Wrote Unix software licensing package for Sun Sparc, DEC Alpha, IBM RS/6000, HP 720, SGI, Decstation, DG Aviion, and Intergraph Clipper. (1990)
• Embedded 80186 firmware design for Conitel 2020 RTU protocols under IBM RCM real-time executive.
• Enhancements to IBM RS/6000 AIX device driver for Versatec plotter interface board in C (and for PS/2 PC AIX). (1990)
• Design of RS/6000 AIX device driver to extend operating system kernel for RTIC communication coprocessor support (1990)
• Programming in C for PC network plot spooler using TCP/IP. Included BIOS level programming and real-time DMA and interrrupt handling. (1989)
• Designed IBM RS/6000 AIX device driver for Versatec plotter interface board in C (and for PS/2 PC AIX). (1989)
• Designed Versaplot RANDOM compatible library interface to Zeh plotting software. (1989)
• Wrote Intergraph tutorial for PC Microstation in Microsoft Fortran and C. (1989)
• Hardware design of 386sx laptop PC motherboard. Software BIOS modifications for Intel. (1989)
• Designed HSRCOL compatible library interface to Zeh plotting software. (1989)
• Analyzed font aliasing effect and wrote software simulator for Ferranti. (1989)
• 386 PC motherboard design and BIOS modification, 8042 PC/AT keyboard BIOS microcontroller programming, battery backed up RAM design for Intel. (1988)
• Programming in C (68010) for embedded VME bus seismic rasterizer using AMX realtime executive. Auscom 8400 IBM channel interface design for Dupont. (1988)
• Multibus II (MB II) 386 design for space station at Motorola for Intel.
• Designed font editor in Borland C for Ferranti. (1988)
• Taught RMX286 course at Aerospace, Inc, for Intel. (1988)
• MB II 386 design for F16 at General Dynamics for Intel. (1987)
• RMX286 & MB II configuration and debug at EG&G for Intel. (1987)
• RMX286 & MB II configuration and debug. Remote boot over Ethernet at Watkins Johnson for Intel. (1987)
• Graphics programming in C, and Assembly on VAX and PC. Auscom 8900 IBM channel interface realtime programming on PDP11/73 (Q-bus) for Logic Sciences. (1987)
• Wrote embedded 80188 RTU application in PL/M for Allen Bradley Modbus protocol. Wrote simple realtime exec to handle communications, A/D scanning, and digital input/output. (1987)
• C, PLM86, and PLM286 programming for Flight Simulators at NASA. Design with PAL's, RMX86, MB II and SCSI disk interface at Singer-Link for Intel. (1987)
• Graphics drivers in C for Air Traffic Control radar displays. Evaluated 2K by 2K anti-aliased displays. GKS, CGI, DGIS, and controller interfacing at Magnavox. (1987)
• Embedded 8748 microcontroller real time assembly language programming. Design and programming in Borland C graphics mode for machine tool tolerance program. Designed DXF file translator to display Autocad drawings from C programs. (1987)
• Embedded 8031 and 80186 RTU programming. High speed ECL digital design on VARS graphic controller (112 MHz). Designed IBM Channel interface (FIPS60) software and hardware between mainframe and Multibus I. Designed Multibus Expander to connect two Multibus card cages with bus masters on either side. Programming in C, PL/M 86, PL/M 286, assembly, under RMX, and XENIX at Ferranti International Controls (1985 to 1987)

DIRECT EMPLOYMENT FOR THE FOLLOWING COMPANIES: (June 1972 to Sept 1985)

• Omnicomp Graphics Corp
., Houston, TX (Aug 84-Sept 85) SENIOR DESIGN CONSULTANT - Graphics software/hardware for OMNI 1000 and 2000. DEC DRV11-W interface to VAX 11/780. 80188/8086 programs in C, PL/M, FORTRAN, and assembly for GKS. Multibus-II interface w/ PALS. Embedded 8086/8087/8089 programming for OMNI 1000 GKS graphics controller.
• HERCO
, Houston, TX (July 84) CONSULTANT - Diagnostic programs for PDP11/34 under RSX11.
• Argonne Systems Inc
, Houston, TX (April 84 - June 84) SENIOR ENGINEER - Designed Multibus II bus interface w/ PALs for DEC J11 CPU on Multibus II.
• Welex,
Halliburton Logging Systems, Houston, TX (May 80 - Apr 84) SR.DEV ENGINEER - Designed well logging data acquisition hardware/software: STD and Multibus boards w/ 8085, 8086, 8748 embedded processors in realtime well logging application. PL/M, C programming. Used 7220 graphics and IEEE-488 bus.
• Houston Engineering Research Corp.
, Houston, TX (May 77 - May 80) SR. TECHNICAL STAFF - Embedded realtime SCADA system hardware/software using Varian V77, DEC PDP11/34, 6800, Z80/S100 bus, RSX11, FORTRAN, and Basic.
• Electrical Engineering Department,
Lehigh University (June 75 - May 77) INSTRUCTOR- Taught EE courses on communications, digital and analog design. FORTRAN programming for Bethlehem Steel Research Lab.
• Hamilton Standard, Windsor Locks, CT (June 72 - June 75) JUNIOR PROJECT ENGINEER - Digital design, FORTRAN and assembly language programming for data acquisition systems.

PERSONAL: