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-https://git.in-ulm.de/verchow/jambox/src/master/setup/roles/rfidac/templates/
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+# RFID Acton Controller (rfidac)
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+## Credits
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+The idea and most code was borrowed from [here](https://git.in-ulm.de/verchow/jambox/src/master/setup/roles/rfidac/templates/), thanks Thomas!
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+
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+## Introduction
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+The rdicac is the central piece of user interaction which reads the USB card reader and takes action. The full picture is explained in the [dudelbox readme](../README.md). This container runs under uid 100 with the gid set in the Dockerfile build ARG `gid_input` (default 105). The gid should represent the group `input` on the Docker host to make `/dev/input/event0` accessible.
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+
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+## Script Overview
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+- `rfid-test.py` simplified script that prints detected tag IDs to the docker log
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+- `rfidac.py` reads the rfid tags and runs respective bash scripts with threshold when the same tag was detected twice
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+- - - `_action_template` is the template copied when no corresponding bash script was found
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+- `_mpd_helper` is a collection of common functions sourced by the bash scripts
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