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device_resource_if-h.md 6.93 KB
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wenjun 提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

device_resource_if.h

Overview

Related Modules:

DriverConfig

Description:

Declares the API for querying the configuration tree.

Since:

1.0

Version:

1.0

Summary

Data Structures

Data Structure Name

Description

DeviceResourceAttr

Defines the attributes of a tree node in the configuration tree.

DeviceResourceNode

Defines a tree node in the configuration tree.

DeviceResourceIface

Provides functions for obtaining information about the device resource configuration tree.

Macros

Macro Name and Value

Description

DEV_RES_NODE_FOR_EACH_ATTR(node, attr)   for ((attr) = (node)->attrData; (attr) != NULL; (attr) = (attr)->next)

Traverses the attributes of the current configuration tree node.

DEV_RES_NODE_FOR_EACH_CHILD_NODE(node, childNode)   for ((childNode) = (node)->child; (childNode) != NULL; (childNode) = (childNode)->sibling)

Traverses the child nodes of the current configuration tree node.

Enumerations

Enumeration Name

Description

DeviceResourceType { HDF_CONFIG_SOURCE = 0, INVALID }

Enumerates configuration file types.

Functions

Function Name

Description

DeviceResourceGetIfaceInstance (DeviceResourceType type)

struct DeviceResourceIface

Obtains the device resource interface handle of the corresponding configuration tree type.

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