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Overview of the Power Metering and Budgeting Reference technology.
To develop Power Metering and Budgeting Reference, you need these headers:
For programming guidance for this technology, see:
IOCTLs
| IOCTL_EMI_GET_MEASUREMENT The IOCTL_EMI_GET_MEASUREMENT control code retrieves the current energy measurement and the time at which the measurement was taken. |
| IOCTL_EMI_GET_METADATA The IOCTL_EMI_GET_METADATA control code retrieves EMI metadata from a device. |
| IOCTL_EMI_GET_METADATA_SIZE The IOCTL_EMI_GET_METADATA_SIZE control code retrieves the size of the EMI metadata object that can be obtained from the device by issuing an IOCTL_EMI_GET_METADATA request. |
| IOCTL_EMI_GET_VERSION The IOCTL_EMI_GET_VERSION control code retrieves the current version of the EMI interface supported by the device. |
Enumerations
| EMI_MEASUREMENT_UNIT The EMI_MEASUREMENT_UNIT enumeration represents the available units of energy measurements that can be retrieved from a device by using IOCTL_EMI_GET_MEASUREMENT. |
Structures
| EMI_CHANNEL_MEASUREMENT_DATA The EMI_MEASUREMENT_DATA structure provides data about the current energy measurement and the time at which the measurement was taken. |
| EMI_CHANNEL_V2 The EMI_CHANNEL_V2 structure provides data about an EMI V2 channel. |
| EMI_MEASUREMENT_DATA_V2 The EMI_MEASUREMENT_DATA_V2 structure provides data about the current energy measurement data for all channels of an EMI_VERSION_V2 device. |
| EMI_METADATA_SIZE The EMI_METADATA_SIZE structure specifies the size of the Energy Metering Interface (EMI) metadata object that can be obtained from the device by issuing an IOCTL_EMI_GET_METADATA request. |
| EMI_METADATA_V1 The EMI_METADATA structure provides metadata about a device that supports the Energy Metering Interface (EMI) interface, such as the hardware model and hardware revision. |
| EMI_METADATA_V2 The EMI_METADATA_V2 structure provides metadata about a device that supports the EMI_VERSION_V2 interface. This metadata contains information about the hardware device and what EMI channels are exposed by this device. |
| EMI_VERSION The EMI_VERSION structure describes the version of the Energy Metering Interface (EMI) that is supported by a device. |