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Instant Optimizing Embedded Systems Using BusyBox by Cao Ziqiang, Wu Zhangjin

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Reducing the power consumption of an embedded (Android) system (Advanced)

For most embedded systems, particularly for consumer electronics like smartphone systems, in order to extend battery life and reduce charging time per day, power consumption should be controlled.

The power issue becomes more and more critical in smartphone systems because of the conflicts of higher function requirements and performance requirements, but limited battery capacity and a smaller hardware model.

Getting ready

The whole power-cost optimization topic is very systematic; it is related to hardware system design and the power management policies of the software system.

The hardware elements that need to be considered in the power-cost balance are CPU, memory and external ...

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