8/28/2008 Power Manager manages device power, improves overall OS power efficiency, and coexists with applications and drivers that do not support Power Manager.
.gif) Note: |
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| In this discussion, device refers to a peripheral device with a device driver. It does not refer to an entire system such as a target mobile device. |
You can use power management to reduce the power consumption of a device and maintain and preserve the state of the file system in RAM in the Reset, On, Idle, and Suspend power states.
Power Manager also provides the following capabilities:
- A framework in which devices can intelligently manage their own power.
- A mechanism for decoupling the power state of a device from the Suspend or the Resume state of the system.
- A module that has a global view of the system environment, power status, and device power states. You can customize the Power Manager to make system-wide decisions about power that are suitable for your device.
For Windows Embedded CE: Power Manager also provides control over the code surrounding the call to the PowerOffSystem function when the system suspends and resumes.
In This Section
For All Platforms:
- Power Management Architecture
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Provides information about the power management architecture for Windows Embedded CE-based devices.
- Power States
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Provides information about the various power states used by Power Manager.
- Power Manager Interfaces
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Provides information about the device driver, application, and notification interfaces that Power Manager uses to communicate.
- Device Power Management Guidelines
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Provides guidelines and information about managing device power, including device power self-management, adding power management to a device driver, class-qualified device names, and suspend and resume handling.
- Activity Timers
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Provides information about activity timers, including events, resets, and general behavior.
- Suspend Timeout Support
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Provides information about suspend time-outs for Graphics, Windowing, and Events Subsystem (GWES), Power Manager, and application suspend time-outs.
- Best Practices for Power Management
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Provides guidelines for working with the Windows Embedded CE power management services.
- Power Management Reference
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Provides reference information about the power management APIs.
For Windows Embedded CE:
- Power Management Catalog Items
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Provides a catalog for power management.
Related Sections