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org.bluetooth.characteristic.navigation

Last Modified: 2013-05-13 Approved: Yes

Name: Navigation

Type: org.bluetooth.characteristic.navigationDownload / View

Assigned Number: 0x2A68

Summary:

The Navigation characteristic is a variable length structure containing a Flags field, a Bearing field, a Heading field and, based on the contents of the Flags field, may contain a combination of data fields listed below.

Value Fields

Names Field Requirement Format Minimum Value Maximum Value Additional Information
Flags
Mandatory
16bit N/A N/A
Bit Field
Bit Size Name
Definition
Key Value
0 1 Remaining Distance Present
0 False
1 True
1 1 Remaining Vertical Distance Present
0 False
1 True
2 1 Estimated Time of Arrival Present
0 False
1 True
3 2 Position Status
0 No Position
1 Position Ok
2 Estimated Position
3 Last Known Position
5 1 Heading Source
0 Heading based on movement
1 Heading based on magnetic compass
6 1 Navigation Indicator Type
0 To Waypoint
1 To Destination
7 1 Waypoint Reached
0 False
1 True
8 1 Destination Reached
0 False
1 True
9 7 Reserved for future use
Bearing
Information:
Unit is in degrees with a resolution of 1/100
Unit:
org.bluetooth.unit.plane_angle.degree
Exponent: Decimal, -2
Mandatory
uint16 N/A N/A None
Heading
Information:
Unit is in degrees with a resolution of 1/100
Unit:
org.bluetooth.unit.plane_angle.degree
Exponent: Decimal, -2
Mandatory
uint16 N/A N/A None
Remaining Distance
Information:
Unit is in meters with a resolution of 1/10
Unit:
org.bluetooth.unit.length.meter
Exponent: Decimal, -1
Optional
uint24 N/A N/A None
Remaining Vertical Distance
Information:
Unit is in meters with a resolution of 1/100
Unit:
org.bluetooth.unit.length.meter
Exponent: Decimal, -2
Optional
sint24 N/A N/A None
Estimated Time of Arrival
Information:
Smallest units in seconds
Optional
org.bluetooth.characteristic.date_time N/A N/A None

Note:

The fields in the above table, reading from top to bottom, are shown in the order of LSO to MSO, where LSO = Least Significant Octet and MSO = Most Significant Octet. The Least Significant Octet represents the eight bits numbered 0 to 7.