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BlueZ D-Bus Thermometer API description
****************************************
Santiago Carot-Nemesio <sancane@gmail.com>
Health Thermometer Profile hierarchy
=====================================
Service org.bluez
Interface org.bluez.Thermometer
Object path [variable prefix]/{hci0,hci1,...}/dev_XX_XX_XX_XX_XX_XX
Methods void SetProperty(string name, variant value)
Changes the value of the specified property. Only
read-write properties can be changed. On success
this will emit a PropertyChanged signal.
Possible Errors: org.bluez.Error.InvalidArguments
dict GetProperties()
Returns all properties for the interface. See the
Properties section for the available properties.
RegisterWatcher(object agent)
Registers a watcher to monitor scanned measurements.
This agent will be notified about final temperature
measurements.
Possible Errors: org.bluez.Error.InvalidArguments
UnregisterWatcher(object agent)
Unregisters a watcher.
Final and intermediate temperatures won't be notified to
this agent any more.
Possible Errors: org.bluez.Error.InvalidArguments
org.bluez.Error.NotFound
EnableIntermediateMeasurement(object agent)
Enables intermediate measurement notifications for this
agent if the thermometer supports it.
Possible Errors: org.bluez.Error.InvalidArguments
org.bluez.Error.NotSupported
DisableIntermediateMeasurement(object agent)
Disables intermediate measurement notifications for this
agent. It will disable notifications in the thermometer
when the last agent removes the watcher for intermediate
measurements.
Possible Errors: org.bluez.Error.InvalidArguments
org.bluez.Error.NotFound
Signals PropertyChanged(string name, variant value)
This signal indicates a changed value of the given
property.
Properties boolean Intermediate [readonly]
True if the thermometer supports intermediate measurement
notifications.
uint16 Interval (optional) [readwrite]
The Measurement Interval defines the time (in seconds)
between measurements. This interval is not related to
the intermediate measurements and must be defined into
a valid range. Setting it to zero means that no periodic
measurements will be taken.
uint16 Maximum (optional) [readonly]
Defines the maximum value allowed for the interval
between periodic measurements.
uint16 Minimum (optional) [readonly]
Defines the minimum value allowed for the interval
between periodic measurements.
Health Thermometer Watcher hierarchy
====================================
Service unique name
Interface org.bluez.ThermometerWatcher
Object path freely definable
Methods void MeasurementReceived(dict measure)
This callback gets called when a measure has been
scanned in the thermometer. The Time entry in the dict
will be only present if the device supports storing of
data. The time value is expressed in seconds since epoch.
The value represented is (mantissa) x (10**exponent)
See foot note for special values when treating with
health devices. The Type entry is only present if the
measurement type is known. Otherwise, it is undefined.
Dict is defined as below:
{
"Exponent" : int8,
"Mantissa" : int32,
"Unit" : ("Celsius" or "Fahrenheit"),
"Time" : uint64,
"Type" : ("Armpit", "Body", "Ear", "Finger",
"Intestines", "Mouth", "Rectum", "Toe",
"Tympanum"),
"Measurement" : ("Final" or "Intermediate"),
}
For special cases, the exponent shall always be zero and
the mantissa should be one of following values:
NRes = -(2**23)
NaN = +(2**23-1)
INFINITY = (2**23-2)
-INFINITY = -(2**23-2)
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