| Full qualified VSS Path: | Vehicle.LowVoltageSystemState |
| Description: | State of the supply voltage of the control units (usually 12V). |
Navigation
Eclipse Leda: Usage Example
In Eclipse Kuksa.VAL Databroker CLI:
$ databroker-cli
sdv.databroker.v1 > connect
[connect] OK
sdv.databroker.v1 > get Vehicle.LowVoltageSystemState
[get] OK
Vehicle.LowVoltageSystemState: ( NotAvailable )
sdv.databroker.v1 > set Vehicle.LowVoltageSystemState Foo
[set] OK
Digital Auto: Playground
playground.digital.auto provides an in-browser, rapid prototyping environment utilizing the COVESA APIs for connected vehicles.
| Vehicle Model | Direct link to Vehicle Signal |
|---|---|
| ACME Car (EV) v0.1 | Vehicle.LowVoltageSystemState |
Data Type & Unit
| Path | Vehicle.LowVoltageSystemState |
VSS: Addressing nodes |
| Data type | string |
VSS: Datatypes |
| Allowed values | ['UNDEFINED', 'LOCK', 'OFF', 'ACC', 'ON', 'START'] |
VSS: Specifying allowed values |
Note: The string datatype is a character string.
Signal Information
The vehicle signal Vehicle.LowVoltageSystemState is a Sensor.
The vehicle signal Vehicle.LowVoltageSystemState is a Signal.
UUID
Each vehicle signal is identified by a Universally Unique Identifier (UUID)
The UUID for Vehicle.LowVoltageSystemState is d7391ceb132e5519b02d4c13d5513d99
Feedback
Do you think this Vehicle Signal specification needs enhancement? Do you want to discuss with experts? Try the following ressources to get in touch with the VSS community:
| Enhancement request | Create COVESA GitHub Issue |
| Join COVESA | www.covesa.global |
| Discuss VSS on Slack | w3cauto.slack.com |
| VSS Data Experts on Google Groups | covesa.global data-expert-group |
About VSS
The Vehicle Signal Specification (VSS) is an initiative by COVESA to define a syntax and a catalog for vehicle signals. The source code and releases can be found in the VSS github repository.
Supported datatypes
The following is a list of VSS supported built-in datatypes:
| Name | Type | Min | Max |
|---|---|---|---|
| uint8 | unsigned 8-bit integer | 0 | 255 |
| int8 | signed 8-bit integer | -128 | 127 |
| uint16 | unsigned 16-bit integer | 0 | 65535 |
| int16 | signed 16-bit integer | -32768 | 32767 |
| uint32 | unsigned 32-bit integer | 0 | 4294967295 |
| int32 | signed 32-bit integer | -2147483648 | 2147483647 |
| uint64 | unsigned 64-bit integer | 0 | 2^64 - 1 |
| int64 | signed 64-bit integer | -2^63 | 2^63 - 1 |
| boolean | boolean value | 0/false | 1/true |
| float | floating point number | -3.4e -38 | 3.4e 38 |
| double | double precision floating point number | -1.7e -300 | 1.7e 300 |
| string | character string | n/a | n/a |
Min, max and default values defined in a Vehicle Signal Specification must be in the supported range of the data type.