2022-10-05 11:19:47 +00:00
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# Raspberry Pi calendar/temperature monitoring station
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2021-07-24 19:46:52 +00:00
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2022-10-05 11:19:47 +00:00
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For more details see https://fliegendewurst.github.io/raspberry-pi-temperature-monitoring.html
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The used OLED display is from [Waveshare](https://www.waveshare.com/wiki/1.5inch_RGB_OLED_Module)
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2022-05-06 09:03:11 +00:00
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2021-07-24 19:46:52 +00:00
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## Quick start
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2022-05-06 08:48:38 +00:00
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```bash
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2021-07-24 19:46:52 +00:00
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> nix-shell
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> rustup target add arm-unknown-linux-musleabihf
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> cargo build --release --target arm-unknown-linux-musleabihf
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2022-06-20 13:35:05 +00:00
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> scp target/arm-unknown-linux-musleabihf/release/{display_all,display_off,refresh_json,take_measurement,status_check_example} 'pi@raspberrypi:~'
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2022-05-06 08:51:30 +00:00
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> # on the Pi, create sensors.db and events.json
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2022-06-20 13:35:05 +00:00
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> ./status_check_example > /run/user/1000/status.json
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2023-10-03 13:07:10 +00:00
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> patchelf --set-interpreter /lib/ld-musl-armhf.so.1 display_all
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2022-05-06 08:48:38 +00:00
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> ./display_off on
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> ./display_all sensors.db events.json temps
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```
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2021-07-24 19:46:52 +00:00
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2023-10-03 13:07:10 +00:00
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### Cross compile from NixOS x86_64
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Make sure to configure nixpkgs and [nur](https://github.com/nix-community/NUR) below.
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```bash
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> nix-build -I nixpkgs=.../nixpkgs -I nur=.../nur-packages --arg crossSystem '(import <nixpkgs/lib>).systems.examples.muslpi' .../nur-packages -A raspi-oled-cross
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> mkdir /tmp/nixstore
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> nix copy --extra-experimental-features nix-command --extra-experimental-features flakes --no-check-sigs --to /tmp/nixstore $(readlink -f result)
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> rsync -r --links --info=progress --compress /tmp/nixstore/nix pi@himbeere-null:~/
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```
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On the Pi:
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```bash
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> sudo mv nix /
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> sudo patchelf --set-interpreter /lib/ld-musl-armhf.so.1 /nix/store/*-raspi-oled-*-infdev-*/bin/*
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```
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2021-07-24 19:46:52 +00:00
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## Example
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2022-05-06 09:03:11 +00:00
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2021-07-24 19:46:52 +00:00
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2022-09-24 18:54:48 +00:00
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(the blue text seen in the second image is bright enough on the real OLED display)
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2023-10-03 12:35:45 +00:00
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## License
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Copyright 🄯 2022-2023 FliegendeWurst
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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See [`LICENSE`]. Applies to all files except the ones listed below.
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`src/rpi.raw` is the Raspberry Pi logo. Raspberry Pi is a trademark of Raspberry Pi Ltd.
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