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EMBEDDED ELECTRONIC DEVICE AND FIRMWARE UPDATING METHOD THEREOF

  • US 20110004871A1
  • Filed: 05/25/2010
  • Published: 01/06/2011
  • Est. Priority Date: 07/03/2009
  • Status: Abandoned Application
First Claim
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1. A firmware updating method applied to an embedded electronic device including a first storage unit and a second storage unit, the second storage unit including a profile partition, a data partition and a system partition, the system partition at least storing a firmware of the embedded electronic device, the method comprising:

  • downloading a firmware package into the first storage unit, the firmware package including a setup information file and a plurality of firmware code files;

    writing the setup information file and the firmware code files to the profile partition and the data partition, respectively; and

    restarting the embedded electronic device and executing a boot loader in the system partition to execute a firmware writing operation, the firmware writing operation comprising;

    sequentially reading the firmware code files from the data partition and writing the firmware code files into the system partition according to the setup information file in the profile partition; and

    updating a write-in progress in the profile partition upon completion of writing of each of the firmware code files, such that after the embedded electronic device is restarted after an interruption of power supply, the boot loader continues to write the rest of the firmware code files into the system partition according to the write-in progress.

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