2009•Electronic Design EngineeringRequires access

Design of firmware upgrade program of portable device based on USB interface

Wei Chen

Abstract

A firmware upgrade program based on USB interface is developed for upgrading the portable device firmware.The implementation of the generation of firmware file,searching of system path of device and boot code of the download device are introduced.The test indicates that the upgrade program is steady,compatible and friendly,it makes the firmware upgrade only with a few simple operations,also is used in the majority of portable devices.

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Available abstract

Key concepts: Firmware, Upgrade, USB, Operating system, Embedded system, Interface (matter), Computer science, Microcode