Management of programming and memory space for an internal combu

Details Management of programming and memory space for an internal combu Management of programming and memory space for an internal combu

1997-10-01

1999-12-28

Wolfe, Willis R.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

G06F 1900, F02D 2900

Patent

active

060093722

ABSTRACT:
An internal combustion engine with an embedded control system is disclosed which includes a programmable controller operatively coupled to a nonvolatile memory and a volatile memory. The nonvolatile memory is loaded with programming instructions for the controller. In one embodiment, a portion of the programming instructions are provided in an unexecutable compressed format which are then selectively decompressed into an executable format by an executable routine loaded in another portion of the nonvolatile memory. In another aspect, a first loading program is executed by the controller to load data from external support equipment. This data includes a second loading routine. The downloaded data also includes a code substitution program which is executed to replace the first loading routine with the second loading routine.

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