Updating flash memory

Details Updating flash memory Updating flash memory

2006-08-08

2006-08-08

Chaki, Kakali (Department: 2193)

Data processing: software development, installation, and managem

Software upgrading or updating

Plural version management

C713S002000, C711S170000

Reexamination Certificate

active

07089549

ABSTRACT:
Embedded devices typically have an operating system, one or more file-systems, as well as a bootloader and other data components resident in flash memory. During software development and testing, there is frequently a need to selectively update a combination of such images. The described technique organizes the images in the flash memory such that one can speed up the update process by eliminating relocation of existing images. A command-driven update mechanism provides a flexible process—eg, one can upload the images back to a host, one can update the update code itself, etc. A start handshake is used that enables auto-detection of the embedded serial port that is used for the update.

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