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aoostar-rs/docs/sensor/README.md
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Markus Zehnder 9af5deb204 feat: sensor filter option
Filter out sensors based on regex matches.
This allows removing all unit text suffixes if, for example, the panel
image already contains the unit text.
2025-09-17 21:29:36 +02:00

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Markdown

# Sensor Panels
- [Sensor panels](panel.md)
- [Custom sensor panels](custom_panel.md)
- [Configuration](cfg/)
## Sensor Modes
Different sensor modes are supported:
- [Sensor mode 1: Text](cfg/mode1_text.md)
- [Sensor mode 2: Circular Progress](cfg/mode2_circular.md)
- [Sensor mode 3: Progress](cfg/mode3_progress.md)
- [Sensor mode 4: Pointer](cfg/mode4_pointer.md)
## Sensor Data Sources
The sensor value reading is separated from the `asterctl` tool, with the exception of some internal sensors:
- Internal [date time sensors](provider/internal_date_time.md)
Sensor values are provided in separate text files and are automatically read when the file changes.
Only the file data source is supported at the moment; other sources like pipes, sockets, etc. might be supported later.
- [Text file data source](provider/text_file.md)
### Sensor Data Providers
- Proof of concept [Linux shell scripts](provider/shell_scripts.md)
- [aster-sysinfo tool](provider/sysinfo.md)
### Sensor Identifier Mapping
The original AOOSTAR-X software uses very weird label identifiers (actually sometimes even a composite key depending on
the data source), which are likely based on an internal JSON structure.
To easily use original custom sensor panels with various sensor data sources, a sensor identifier mapping file can be used.
The mapping file is a simple text file with one identifier mapping per line:
- Key = label identifier used in panel definition
- Value = label identifier used in sensor providers
Example:
```
cpu_temperature: temperature_cpu
```
This maps the `temperature_cpu` sensor from the `aster-sysinfo` tool to the `cpu_temperature` sensor used in the
AOOSTAR-X panel definitions.
Usage example:
```shell
asterctl --config monitor.json --sensor-mapping sensor-mapping/sysinfo-to-aoostar.cfg
```
### Sensor Filter
Sensor entries in the text file can be filtered by regular expressions defined in the sensor filter file having the
same name as the sensor identifier mapping file, but with the `-filter` suffix in the file name.
Example:
- Sensor identifier mapping file: `sensor-mapping/sysinfo-to-aoostar.cfg`
- Sensor filter file: `sensor-mapping/sysinfo-to-aoostar-filter.cfg`
The filter file is a simple text file with one regular expression per line:
Example:
```
# remove all temperature sensor units
temperature_.*#unit
```
This removes all sensors starting with `temperature_` and ending with `#unit`, which will make sure that all the
temperature sensors will be rendered without the unit text suffix on the display panel.