BATTERY MINICLASS DRIVER

Choose the type you’d like to provide: You determine the information stored in the device extension. Our new feedback system is built on GitHub Issues. The following sample code initializes these entry points for a hypothetical NewBatt miniclass driver:. In response to battery IOCTLs, the class driver calls battery miniclass driver routines BatteryMini Xxx routines in the miniclass drivers to perform specific device control operations. The miniclass driver’s Unload routine can be called at any time after all the driver’s devices have been removed.

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AddDevice Routine of a Battery Miniclass Driver – Windows drivers | Microsoft Docs

Disable any device notifications from lower drivers, such as the ACPI driver, using that driver’s interface. Store the pointer to the device’s PDO, the pointer to the FDO, the device type, the device name, and any other necessary state in the device extension. Unload Routine of a Battery Miniclass Driver. Read about this change in our blog post.

DispatchDeviceControl Routine of a Battery Miniclass Driver – Windows drivers | Microsoft Docs

Municlass the type you’d like to provide: Choose the type you’d like to provide: Every battery miniclass driver provides a set of BatteryMini Xxx routines. Read about this change in our blog post. For example, a smart battery driver might retain the number of batteries, a Boolean value indicating whether a battery selector is present, and, optionally, information miniflass that battery selector.

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The Unload routine should first check to ensure that all its devices have been removed and, if not, do the following for each remaining device: You may also leave feedback directly on GitHub.

Delete the device object for the device by calling IoDeleteDeviceas follows: Product feedback Sign in to give documentation feedback. Feedback We’d love to hear your thoughts. There are no open issues. Our new feedback system is built on GitHub Issues.

DriverEntry Routine of a Battery Miniclass Driver

The class driver is designed to handle the superset of possible battery information and conditions, including temperature, changes in capacity, and so forth; individual batteries vary in their ability to detect and report all these conditions. Feedback We’d love to hear your thoughts. Feedback We’d love to hear your thoughts. Read about this change in our blog post.

Together, the battery class driver and the miniclass driver miniclzss the computer’s use of a battery. Feedback We’d love to hear your thoughts. Because battery-specific state information is not known until the PnP Manager calls the miniclass driver’s AddDevice routine, the DriverEntry routine does not initialize any such state.

The battery class driver calls these routines to request that the miniclass driver perform device-specific tasks.

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Creating an FDO in the Battery Miniclass Driver

Each miniclass driver should be designed to manage its specific battery type and must respond appropriately to the class driver when asked for any information that the battery does not support. In the returned FDO, set flags and the stack size.

The following figure shows how these two drivers interact. In response to battery IOCTLs, the class driver calls battery miniclass driver routines BatteryMini Xxx routines in the miniclass drivers to perform specific device control operations.

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The Unload routine should first check to ensure that all its devices have been removed and, if not, do the following for each remaining device:. Product feedback Minicass in to give documentation feedback. In addition, the miniclass driver must have other routines, as described in Supplying Required Battery Miniclass Driver Functionality.

The miniclass driver should create an FDO and attach it to the device stack for the device, as follows:. Read about this change in our blog post. Our new feedback system is built on GitHub Issues.