Michael Carpenter

Firmware development for laser printers. Included merging PCL5, PCL-XL and Postscript into the Marvell firmware base, which was host-based only. Was part of a small team that worked the product from concept through development and through end-game, including some product maintenance activities.

Developed and maintained job management firmware for the LaserJet firmware core. Included initial development, test harness development, additional features (including copier features, Job Accounting, etc.) and ongoing maintenance. Have been involved with more than 25 LaserJet products. Often called on to debug duration hangs and crashes, when the cause was unknown. Also worked with third-party software and hardware developers.

Responsible for debugger and performance tools, including gdb maintenance, acquisition of third party tools and coordination with the operating system group. Maintenance and enhancement on the TotalView debugger, including Lynx-specific modifications.

Key developer of the XRAY debugger for embedded systems programming. Designed and developed a new Graphical User Interface for the debugger. Included converting a command language of over 100 commands into easy-to-use dialogs, menus, buttons and other short cuts. Instrumental in releasing new debugger on Unix and MS-Window platforms. Author of articles for the company newsletter on various technical subjects.

Team member on joint research project with Xerox PARC to port Xerox operating system to a new hardware platform based on the SPARC architecture. Wrote low-level code for graphics display controller and I/O controller. Modified the GNU SPARC assembler to include custom op-codes and op-code macros for the unique hardware configuration.

Key developer of the XRAY debugger for embedded systems programming. Designed and developed a new Graphical User Interface for the debugger. Included converting a command language of over 100 commands into easy-to-use dialogs, menus, buttons and other short cuts. Instrumental in releasing new debugger on Unix and MS-Window platforms. Author of articles for the company newsletter on various technical subjects.

Laser printer controller firmware development. Updated the hardware interface and engine control layer of software for a new controller board and made page description language modifications, including a new text primitive to speed up application driver development. "Acting" software project leader for five months.

Display systems firmware engineer. Wrote diagnostics firmware for multiprocessor graphics display system as well as formal test procedures and programs. Key member of the team designing the next generation graphics display system.