| 摘要 |
A safe and recoverable firmware update method which for a remote embedded electronic device and the device thereof. The method includes reading an update status in a flash memory, and determining the update status. If the update status is “DEFAULT”, a default firmware is executed. If the update status is not “DEFAULT”, the update status is further determined if it is “UPDATED”. If the update status is “UPDATED”, a configuration area is set as “BOOTING” and a new firmware is executed. If the update status is not “UPDATED”, the update status is determined if it is “RUNNEW”. If the update status is “RUNNEW”, a new firmware and an update validation method are executed. If the update validation method gets an update completion validation message, the update status is set as “RUNNEW”. If the update status is not “RUNNEW”, a default firmware is executed.
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