Advanced Configuration and Power Interface Specification

Power Source and Power Meter Devices
Package {
Supported Capabilities
Measurement Unit
Measurement Type
Measurement Accuracy
Measurement Sampling Time
Minimum Averaging Interval
Maximum Averaging Interval
Hysteresis Margin
Hardware Limit Is Configurable
Min Configurable Hardware Limit
Max Configurable Hardware Limit
Model Number
Serial Number
OEM Information
}
// Integer (DWORD)
// Integer (DWORD)
// Integer (DWORD)
// Integer (DWORD)
// Integer (DWORD)
// Integer (DWORD)
// Integer (DWORD)
// Integer (DWORD)
// Boolean (DWORD)
// Integer (DWORD)
// Integer (DWORD)
// String
// String
// String
Table 10-281 PMC Method Result Codes
Element
Supported
Capabilities
Measurement
Unit
Measurement
Type
Measurement
Accuracy
Measurement
Sampling
Time
Minimum
Averaging
Interval
Maximum
Averaging
Interval
Object
Type
Integer
(DWORD)
Integer
(DWORD)
Integer
(DWORD)
Integer
(DWORD)
Integer
(DWORD)
Integer
(DWORD)
Integer
(DWORD)
Description
A bitmask that represents the capability flags:
Bit [0] – indicates the power meter supports measurement.
Bit [1 – indicates the power meter supports trip points.
Bit [2] – indicates the power meter supports hardware enforced limit.
Bit [3 ]– indicates that the power meter supports notifications when the
hardware limit is enforced.
Bit [7:4] – reserved.
Bit [8] – indicates the power meter only reports data when discharging. This
applies to power meters that are battery-type devices.
The units used by the power meter to report measurement and configure trip
points and hardware enforced limits.
0x00000000 – indicates measurements are reported in [mW].
The type of measurement the power meter is measuring. A power meter may
measure either input or output power, not both.
0x00000000 – indicates the power meter is measuring input power.
0x00000001 – indicates the power meter is measuring output power.
The accuracy of the power meter device, in thousandth of a percent. (0% -
100.000%) For example, The value 80000 would mean 80% accuracy.
The sampling time of the power meter device, in milliseconds. This is the
minimum amount of time at which the measurement value will change. In
other words, the same reading will be returned by _PMM if OSPM makes 2
consecutive reads within a measurement sampling time. 0xFFFFFFFF is
returned if the information is unavailable.
This is the minimum length of time (in milliseconds) within which the power
meter firmware is capable of averaging the measurements within it.
This is the maximum length of time (in milliseconds) within which the power
meter firmware is capable of averaging the measurements within it.
Version 6.0 587