rename init to app change camel case to snake case, added __name__ conditional

.eslintrc

@@ -0,0 +1,5 @@
+parserOptions:
+  ecmaVersion: 2019
+env:
+  browser: true
+  jquery: true

.gitignore

@@ -1 +1,132 @@
-site/
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# Include frontend ibraries though
+!terahz/templates/lib

.pylintrc

@@ -0,0 +1,2 @@
+[MASTER]
+disable = c0103

.travis.yml

@@ -0,0 +1 @@
+language: python

Pipfile

@@ -0,0 +1,15 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+flask = "*"
+smbus2 = "*"
+pyserial = "*"
+pandas = "*"
+
+[requires]
+python_version = "3.8"

Pipfile.lock

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+                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
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+            ],
+            "index": "pypi",
+            "version": "==0.3.0"
+        },
+        "werkzeug": {
+            "hashes": [
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+                "sha256:6c80b1e5ad3665290ea39320b91e1be1e0d5f60652b964a3070216de83d2e47c"
+            ],
+            "version": "==1.0.1"
+        }
+    },
+    "develop": {}
+}

README.md

@@ -1,24 +1,38 @@
-# TeraHz
-
-
 [![Documentation Status](https://readthedocs.org/projects/terahz/badge/?version=latest)](https://terahz.readthedocs.io/en/latest/?badge=latest)
+[![js-semistandard-style](https://img.shields.io/badge/code%20style-semistandard-brightgreen.svg?style=flat-square)](https://github.com/standard/semistandard)
+# <img alt="TeraHz logo" src="docs/imgs/logo-sq.png" width="200px"> TeraHz
 
-TeraHz is a low-cost spectrometer based on a Raspberry Pi 3 or 3 B+ and three sensors:
- + [__AS7265x__](https://www.tindie.com/products/onehorse/compact-as7265x-spectrometer/)
- is a 18 channel spectrometer chipset that provides the device with spectral data
- + [__VEML6075__](https://www.sparkfun.com/products/15089) is an
- UVA/UVB sensor
- + [__APDS-9301__](https://www.sparkfun.com/products/14350) is a calibrated illuminance (lux) meter that provides the device with reliable readings
+*Za slovensko različico se odpravite na <http://git.sckr-lab.tk/kristjank/TeraHz>*
 
-## Why?
-Because people and institutions could use an affordable and accurate light-analysing device that is also portable, easy to use and simple to assemble. TeraHz was started as an answer to our high school not being able to afford a commercially available solution. One TeraHz spectrometer costs around 150$ in parts, which makes it a competitive alternative to other solutions on the market today.
+TeraHz is a low-cost portable spectrometer based on Raspberry Pi and a few
+commonly available sensor breakout boards. It's designed to bring low-cost
+scientific exploration of the light spectrum to educational institutions that
+cannot afford the options available on the current market. It costs less than
+200€ with money to spare and uses only free, libre and open-source software
+(FLOSS). It is free to use under the ISC license, a spiritual successor to the
+classic 3-clause BSD license.
+
+## How to install
+Stable releases are available under the releases tab and can be installed either
+by flashing a **preinstalled** ready to boot image with a stable version of
+TeraHz preinstalled or by flashing a **preconfigured** image of DietPi and
+installing TeraHz manually, which is useful if you want to test bleeding edge
+releases. For more information, check out the [Build
+guide](https://terahz.readthedocs.io/en/latest/build/).
+
+## Docs
+TeraHz usually works out of the box. A wireless network named `TeraHz_XXXXXX`
+(XXXXXX = the last half of the MAC address) will appear. Password is
+`terahertz`. After connection, open a web browser and visit `terahz.site`.
+The UI will appear. To fetch data from the sensors, press the 'Get Data' button.
+The readings are then plotted and written into the tables below the graph.
+
+More documentation is available at <https://terahz.readthedocs.io>
 
 ## Development team
-Copyright 2018, 2019
+- Kristjan Komloši (cls-02) - Project leader and main programmer
+- Jakob Kosec (D3m1j4ck) - Frontend designer
+- Juš Dolžan (ANormalPerson) - Math double-checker
 
-- Kristjan "cls-02" Komloši (electronics, sensor drivers, backend)
-- Jakob "D3m1j4ck" Kosec (frontend)
-
-
-I would also like to thank Juš "ANormalPerson" Dolžan, who decided to leave the
-team, but helped me a lot with backend development.
+<img alt="TeraHz logo" src="http://www.sckr.si/documents/upload/konektor/logo/_SC.gif" width="200px">  
+TeraHz has been developed under guidance and financial support of Šolski Center Kranj (Kranj School Centre). Without their support, this project might have never been possible.

backend/app.py

@@ -1,16 +0,0 @@
-# app.py - main backend program
-# All code in this file is licensed under the ISC license, provided in LICENSE.txt
-from flask import Flask, redirect, url_for, request
-import flask
-import sensors
-import json
-app = Flask(__name__)
-s=sensors.Spectrometer(path='/dev/serial0', baudrate=115200, tout=1)
-u=sensors.UVSensor()
-l=sensors.LxMeter()
-
-@app.route('/data')
-def sendData():
-    response = flask.jsonify([s.getData(), l.getData(), u.getABI()])
-    response.headers.add('Access-Control-Allow-Origin', '*')
-    return response

backend/storage.py

@@ -1,31 +0,0 @@
-# storage.py - storage backend for TeraHz
-# Copyright Kristjan Komloši 2019
-# All code in this file is licensed under the ISC license, provided in LICENSE.txt
-
-
-import sqlite3
-class jsonStorage:
-    def __init__(self, dbFile):
-        '''Storage object constructor. Argument is filename'''
-        self.db = sqlite3.connect(dbFile)
-
-    def listJSONs(self):
-        c = self.db.cursor()
-        c.execute('SELECT * FROM storage')
-        result = c.fetchall()
-        c.close()
-        return result
-
-    def storeJSON(self, jsonString, comment):
-        c = self.db.cursor()
-        c.execute('INSERT INTO storage VALUES (datetime(\'now\', \'localtime\'), ?, ?)', (comment, jsonString))
-        c.close()
-        self.db.commit()
-
-    def retrieveJSON(self, timestamp):
-        '''Retrieves a JSON entry. Takes a timestamp string'''
-        c = self.db.cursor()
-        c.execute('SELECT * FROM storage WHERE timestamp = ?', (timestamp,))
-        result = c.fetchall()
-        c.close()
-        return result

docs/build.md

@@ -1,165 +1,39 @@
-## Warning
-The recommended way of getting TeraHz is the official Raspberry Pi SD card image
-provided under the releases tab in the GitHub repository. Installing TeraHz from
-source is a time consuming and painful process, even more so if you don't know
-what you're doing, and whatever you end up building __will not be officially
-supported__ (unless you're a core developer).
+# TeraHz build guide
+In its early development phase, TeraHz was hard and time-consuming to compile and install.
+This is not case now, as the more optimized DietPi Linux distribution allows
+better performance and simpler configuration than formerly used Raspbian.
 
-With this warning out of the way, let's begin.
+## Downloading the complete image
+The easiest way to get TeraHz is to download the premade complete image and
+write it to an SD card. It already has TeraHz installed and **will work out of
+the box** with the correct hardware. The image is designed to run from a 16 GB
+micro SD card, class 10 or higher is recommended for snappy performance. The
+recommended image writer is Etcher
 
-## Getting the latest sources
-The most reliable way to get working source code is by cloning the official
-GitHub repository and checking out the `development-stable` tag. This tag marks
-the latest confirmed working commit. Building from the master branch is somewhat
-risky, and building from development branches is straight up stupid if you're
-not a developer.
+Please note that while this installation process is the easiest to perform, it
+does not guarantee the most recent TeraHz software. Complete images take time to
+prepare and despite the developer's best efforts aren't guaranteed to be always
+up-to-date.
 
-Make sure that the repository is cloned into `/home/pi/TeraHz`, as Lighttpd
-expects to find frontend files inside this directory.
+## Downloading the clean DietPi image and installing TeraHz manually
+This process is a bit more involved, but the version of TeraHz installed is
+guaranteed to be the latest one available from the repository.
 
-After cloning and checking out, check the documentation for module dependencies
-and the required version of python in the `docs/dependencies.md` file.
+The SD card image used in this case also contains some pre-configuration, but no
+TeraHz code is installed. To install TeraHz, you'll need a console access to the
+Raspberry Pi, preferably an SSH console over a wired network. DietPi is configured
+to get an IP over DHCP. A tool such as arp-scan on linux is very helpful at determining
+the device's IP address.
 
-## Installing Python
-This step depends a lot on the platform you're using. TeraHz was developed with
-Raspberry Pi and Raspbian in mind. If you're familiar with Raspbian enough,
-you'll know that the latest version of Python available is `3.5`, which is too
-obsolete to run TeraHz and the required modules consistently. This leaves us
-with compiling Python from source. __This step is guaranteed to be slow,
-overnight compiling with something like tmux is recommended.__
-
-### Pre-requirements
-Installing python without most C libraries will lead to a rather minimalistic
-Python install, missing a lot of important modules. To prevent this, update
-the system packages. After that, reboot.
+After connecting to the Raspberry Pi with username `root` and password `terahz`,
+TeraHz can be installed by cloning the Git repository and running the `etcs/install.sh`
+script.
 
 ```
-sudo apt update
-sudo apt full-upgrade
-sudo reboot
+git clone https://github.com/cls-02/TeraHz.git
+cd TeraHz/etcs
+./install.sh
 ```
 
-Install the required build tools, libraries and their headers.
-
-```
-sudo apt-get install build-essential tk-dev libncurses5-dev libncursesw5-dev \
-libreadline6-dev libdb5.3-dev libgdbm-dev libsqlite3-dev libssl-dev libbz2-dev \
-libexpat1-dev liblzma-dev zlib1g-dev
-```
-
-### Compiling
-Compiling Python from source is, in fact pretty easy, just time-consuming. To combat
-that, using tmux to detach and later reattach the session is advised.
-
-Python is packaged in many forms, but you'll be using the most basic
-of them all: a gzipped tarball. Download and decompress it, then cd into its
-directory.
-
-```
-wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz
-tar -xzf Python-3.6.8.tgz
-cd Python-3.6.8
-```
-
-Python's build process is pretty classic, a `.configure` script and a Makefile.
-Using the `-j` option with Make can reduce the compile time significantly. Go
-with as many threads as you have cores: `-j 4` works great on the Pi 3 B/B+.
-
-```
-./configure
-make -j4
-```
-
-When the compilation ends, install your freshly built version of python.
-
-```
-sudo make altinstall
-```
-
-"Altinstall" means that the new version of Python will be installed beside the
-existing version, and all related commands will use the full naming scheme:
-think `python3.6` or `pip3.6` instead of the shorter `python3` or `pip3`.
-
-### Modules
-Another painfully slow part is the installation of all the required modules
-needed by TeraHz. Luckily, `pip3.6` takes care of the entire installation
-process. As before, using tmux is advised.
-
-```
-pip3.6 install smbus pyserial flask pandas
-```
-
-## Raspi-config
-For some law-obeying reason, Raspbian locks down the Wi-Fi interface card until
-the Wi-Fi country is set. This means that we will need to set it manually through
-the `raspi-config` program. It requires superuser privileges.
-
-```
-sudo raspi-config
-```
-![1](imgs/raspi-config/1.png)
-
-Configure the network hostname to something specific. If setting up multiple
-TeraHz machines, make their hostnames unique so you can tell them apart.
-
-![](imgs/raspi-config/3.png)
-![](imgs/raspi-config/4.png)
-
-Enable SSH and I2C interfaces.
-![](imgs/raspi-config/15.png)
-![](imgs/raspi-config/5.png)
-![](imgs/raspi-config/6.png)
-![](imgs/raspi-config/7.png)
-![](imgs/raspi-config/19.png)
-
-Expand the root filesystem along the entire SD card.
-
-![](imgs/raspi-config/17.png)
-![](imgs/raspi-config/8.png)
-![](imgs/raspi-config/9.png)
-
-Set the Wi-Fi country to the country you'll be using TeraHz in.
-
-![](imgs/raspi-config/10.png)
-![](imgs/raspi-config/11.png)
-![](imgs/raspi-config/12.png)
-![](imgs/raspi-config/13.png)
-![](imgs/raspi-config/14.png)
-
-Save and reboot to enable Wi-Fi
-
-## Installing packages
-In addition to what's already installed, TeraHz requires the following daemons
-to run:
-  - Lighttpd - Frontend HTTP server
-  - Dnsmasq - DNS and DHCP server, used to redirect the `terahz.site` domain
-  - Hostapd - Wi-Fi access point
-
-They are available from the Raspbian repository. Install it via `apt`.
-
-```
-apt install hostapd dnsmasq hostapd
-```
-
-## Configuring daemons
-By default, the daemons we installed are disabled and start only manually. To
-change that, enable them through systemctl. Hostapd conflicts with
-wpa_supplicant, the solution is to disable wpa_supplicant (this will break your
-wireless connections, so use wired ethernet).
-
-```
-sudo systemctl unmask hostapd
-sudo systemctl stop wpa_supplicant
-sudo systemctl disable wpa_supplicant
-sudo systemctl enable dnsmasq hostapd lighttpd
-```
-
-## Copying configuration files
-To simplify the process of configuring Raspbian to run TeraHz, sample
-configuration file are provided in the `etcs` subdirectory of the Git
-repository.
-
-These files have been verified to work, but it's not a brilliant idea to just
-copy them into your `/etc` directory. Use them carefully and more as a template
-for your own configuration rather than as a _de facto_ way of configuring
-TeraHz.
+When the installation completes, reboot the Raspberry Pi and it will
+automatically boot into TeraHz.

docs/dependencies.md

@@ -1,25 +1,24 @@
-The current development version of TeraHz has been verified to work with:
-
-  - Raspbian Stretch (9)
-  - Python 3.6.8 (built from source code and altinstall'd)
-  - Module versions (direct `pip3.6 list` output):
-
+# 1.0.0-rc1 Dependencies
+The 1.0.0-rc1 version of TeraHz is confirmed to work with:
+- DietPi 6.26.3
+- Python 3.7.3
+- Pip 18.1
+- Following versions of pip3 packages:
 ```
-      Package         Version  
-      --------------- ---------
-      Click           7.0      
-      Flask           1.0.3    
-      itsdangerous    1.1.0    
-      Jinja2          2.10.1   
-      MarkupSafe      1.1.1    
-      numpy           1.16.4   
-      pandas          0.24.2   
-      pip             18.1     
-      pyserial        3.4      
-      python-dateutil 2.8.0    
-      pytz            2019.1   
-      setuptools      40.6.2   
-      six             1.12.0   
-      smbus           1.1.post2
-      Werkzeug        0.15.4   
+Click           7.0    
+Flask           1.1.1  
+gunicorn        20.0.0
+itsdangerous    1.1.0  
+Jinja2          2.10.3
+MarkupSafe      1.1.1  
+numpy           1.17.4
+pandas          0.25.3
+pip             18.1   
+pyserial        3.4    
+python-dateutil 2.8.1  
+pytz            2019.3
+setuptools      41.6.0
+six             1.13.0
+smbus2          0.3.0  
+Werkzeug        0.16.0
 ```

docs/dev-guide.md

@@ -0,0 +1,90 @@
+# TeraHz developer's guide
+This document explains how TeraHz works. It's a good starting point for developers
+and an interesting read for the curious.
+
+# Hardware
+TeraHz was developed on and for the Raspberry Pi 3 Model B+. Compatibility with
+other Raspberries can probably be achieved by tweaking the device paths in the
+`app.py` file, but isn't confirmed at this point. Theoretically, 3 Model B and
+Zero W should work out of the box, but models without Wi-Fi will need an
+external Wi-Fi adapter if Wi-Fi functionality is desired.
+
+TeraHz depends on three separate sensor boards:
+- AS7265x spectral chipset
+- VEML6075 UV sensor
+- APDS-9301 lux-meter
+
+The sensors leech power from the GPIO connector, thus eliminating the need for a
+separate power supply. The necessary power for the whole system is delivered through
+the Raspberry's USB port. This also allows for considerable versatility, as it
+enables the resulting device to be either wall-powered or battery-powered.
+In a portable configuration, I used a one-cell power bank, which allowed for
+about 45 minutes of continuous operation.
+
+## AS7265x chipset
+_[Datasheet][1ds] [Buy breakout board][1]_
+
+This chipset supports either I2C or UART. Because transferring large amounts of
+data over I2C is rather cumbersome, TeraHz uses AS7265x in UART mode.
+
+This chipset consists of three rather small surface-mounted chips and requires
+an EEPROM. To lower the complexity of assembly for the end-user, I recommend
+using a breakout board.
+
+The serial UART connection operates at 115200 baud, which seems to be the
+standard for most recent embedded peripherals. As with most serial hardware,
+the TxD and RxD lines must be crossed over when connecting to the processor.
+
+Communication with the sensor is simple and clear through AT commands. There's
+a lot of them, all documented inside the datasheet, but the most important one
+is `ATGETCDATA`, which returns the calibrated spectral data from the sensors.
+
+The data is returned in the form of a comma-separated list of floating point
+values, ending with a newline. The order is alphabetical, which is __different
+from wavelength order__. See the datasheet for more information.
+
+## VEML6075
+_[Datasheet][2ds] [Buy breakout board][2]_
+
+This chip communicates through I2C and provides TeraHz with UVA and UVB
+irradiance readings. It's not an ideal chip for this task, as it's been marked
+End-of-Life by Vishay and it'll have to be replaced with a better one in future
+hardware versions of TeraHz.
+
+The chip resides at the I2C address `0x10`. There's not a lot of communication
+required: at initialization, the integration time has to be set and after that,
+the sensor is ready to go.
+
+16-bit UV values lie in two two-byte registers, `0x07` for UVA and `0x09` for
+UVB. For correct result conversion, there are also two correction registers,
+UVCOMP_1 and 2, located at `0x0A` and `0x0B`, respectively.
+
+To convert these four values into irradiances, they must be multiplied by
+certain constants, somewhat loosely defined in the sensor datasheet. Keep in
+mind that the way of computing the "irradiance" is very much experimentally
+derived, and even Vishay's tech support doesn't know how exactly to calculate
+the irradiance.
+
+## APDS-9301
+_[Datasheet][3ds] [Buy breakout board][3]_
+This chip measures illuminance in luxes and like the VEML6075, connects through
+I2C. Unlike the VEML6075, this chip is very good at its job, providing accurate
+and fast results without undefined mathematics or required calibration.
+
+At power-on, it needs to be enabled and the sensor gain set to the high setting,
+as the formula for Lux calculation is only defined for that setting. This
+initialization is handled by the sensors module.
+
+The lux reading is derived from two channels, descriptively called CH0 and CH1,
+residing in respective 16-bit registers at addresses `0xAC` and `0xAE`. After a
+successful read of both data registers, the lux value can be derived using the
+formula in the sensor's datasheet.
+
+
+
+[1]: https://www.tindie.com/products/onehorse/compact-as7265x-spectrometer/
+[2]: https://www.sparkfun.com/products/15089
+[3]: https://www.sparkfun.com/products/14350
+[1ds]: sensor-docs/AS7265x.pdf
+[2ds]: sensor-docs/veml6075.pdf
+[3ds]: sensor-docs/APDS-9301.pdf

docs/electrical.md

@@ -0,0 +1,48 @@
+# TeraHz Electrical Guide
+This section briefly explains the neccessary electrical connections between the
+Raspberry Pi and the sensors you'll need to make to ensure correct and safe
+operation.
+
+As mentioned before, TeraHz requires 3 sensors to operate. The simpler UVA/UVB
+sensor and the ambient light analyzer connect to the Raspberry's SMBus (I2C)
+bus, while the spectrometer connects via high-speed UART.
+
+![pinout](imgs/raspi-pinout.png)
+
+## PCBs vs breakout boards & jumpers
+The Raspberry Pi GPIO port includes enough power pins to require only jumper
+cables to connect the sensors to the Raspberry Pi. However, this is not a great
+idea. During development, jumper cables have repeatedly been proven to be an
+unreliable nuisance, and their absolute lack of rigidity helped me fry one of my
+development Raspberry Pis. For this reason, I wholeheartedly recommend using a
+simple PCB to route the connections from the Pi to the sensors. At this time,
+there is no official TeraHz PCB, but it shall be announced and included in the
+project when basic testing will be done.
+
+GPIO can be routed to the PCB with a standard old IDE disk cable, and terminated
+with another 40-pin connector at the PCB. Sensor breakouts should be mounted
+through standard 0.1" connectors, male on the sensor breakout and female on the
+PCB. A shitty add-on header and a shitty add-on header v1.69bis can't hurt, either.
+
+
+## SMBus sensors
+SMBus is a well-defined version of the well-known I2C bus, widely used
+in computer motherboards for low-band bandwidth communication with various ICs,
+especially sensors and power-supply related devices. This bus is broken out on
+the Raspberry Pi GPIO port as the "I2C1" bus (see picture).
+
+Pins are familiarly marked as SDA and SCL, the same as with classic I2C. They
+connect to the SDA and SCL pins on the VEML6075 and APDS-9301 sensor.
+
+## UART sensor
+Spectral sensor attaches through the UART port on the Raspberry pi (see picture).
+
+
+The Tx and Rx lines must cross over, connecting the sensor's Tx line to the
+computer's Rx line and vice versa.
+
+## Power supply
+As the sensors require only a small amount of power, they can be powered directly from the Raspberry Pi itself, leeching power from the 3.3V lines.
+
+## Ground
+There's not a lot to say here, connect sensor GND to Pi's GND.

docs/index.md

@@ -1 +1,3 @@
-This is the start page for the TeraHz documentation.
+<img alt="TeraHz logo" src="imgs/logo-sq.png" width="200px">
+# TeraHz documentation - index
+This is the starting point of TeraHz documentation.

etcs/default/avahi-daemon

@@ -1,4 +0,0 @@
-# 1 = Try to detect unicast dns servers that serve .local and disable avahi in
-# that case, 0 = Don't try to detect .local unicast dns servers, can cause
-# troubles on misconfigured networks
-AVAHI_DAEMON_DETECT_LOCAL=1

etcs/default/bluetooth

@@ -1,20 +0,0 @@
-# Defaults for bluez
-
-# start bluetooth on boot?
-# compatibility note: if this variable is _not_ found bluetooth will start
-BLUETOOTH_ENABLED=1
-
-# This setting used to switch HID devices (e.g mouse/keyboad) to HCI mode, that
-# is you will have bluetooth functionality from your dongle instead of only
-# HID. This is accomplished for supported devices by udev in
-# /lib/udev/rules.d/62-bluez-hid2hci.rules by invoking hid2hci with correct
-# parameters.
-# See /usr/share/doc/bluez/NEWS.Debian.gz for further information.
-
-# Older daemons like pand dund and hidd can be found in bluez-compat package as
-# they are deprecated and provided for backward compatibility only.
-
-# Note that not every bluetooth dongle is capable of switching back to HID mode,
-# see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=355497
-HID2HCI_ENABLED=0
-HID2HCI_UNDO=0

etcs/default/bsdmainutils

@@ -1,4 +0,0 @@
-# Uncomment the following line if you'd like all of your users'
-# ~/calendar files to be checked daily.  Calendar will send them mail
-# to remind them of upcoming events.  See calendar(1) for more details.
-#RUN_DAILY=true

etcs/default/console-setup

@@ -1,16 +0,0 @@
-# CONFIGURATION FILE FOR SETUPCON
-
-# Consult the console-setup(5) manual page.
-
-ACTIVE_CONSOLES="/dev/tty[1-6]"
-
-CHARMAP="UTF-8"
-
-CODESET="guess"
-FONTFACE=""
-FONTSIZE=""
-
-VIDEOMODE=
-
-# The following is an example how to use a braille font
-# FONT='lat9w-08.psf.gz brl-8x8.psf'

etcs/default/crda

@@ -1,11 +0,0 @@
-# Set REGDOMAIN to a ISO/IEC 3166-1 alpha2 country code so that iw(8) may set
-# the initial regulatory domain setting for IEEE 802.11 devices which operate
-# on this system.
-#
-# Governments assert the right to regulate usage of radio spectrum within
-# their respective territories so make sure you select a ISO/IEC 3166-1 alpha2
-# country code suitable for your location or you may infringe on local
-# legislature. See `/usr/share/zoneinfo/zone.tab' for a table of timezone
-# descriptions containing ISO/IEC 3166-1 alpha2 country codes.
-
-REGDOMAIN=

etcs/default/cron

@@ -1,28 +0,0 @@
-# Cron configuration options
-
-# Whether to read the system's default environment files (if present)
-# If set to "yes", cron will set a proper mail charset from the
-# locale information. If set to something other than 'yes', the default
-# charset 'C' (canonical name: ANSI_X3.4-1968) will be used.
-#
-# This has no effect on tasks running under cron; their environment can
-# only be changed via PAM or from within the crontab; see crontab(5).
-READ_ENV="yes"
-
-# Extra options for cron, see cron(8)
-#
-# For example, to enable LSB name support in /etc/cron.d/, use
-# EXTRA_OPTS='-l'  
-#
-# Or, to log standard messages, plus jobs with exit status != 0:
-# EXTRA_OPTS='-L 5'
-#
-# For quick reference, the currently available log levels are:
-#   0   no logging (errors are logged regardless)
-#   1   log start of jobs
-#   2   log end of jobs
-#   4   log jobs with exit status != 0
-#   8   log the process identifier of child process (in all logs)
-#
-#EXTRA_OPTS=""
-

etcs/default/dbus

@@ -1,7 +0,0 @@
-# This is a configuration file for /etc/init.d/dbus; it allows you to
-# perform common modifications to the behavior of the dbus daemon
-# startup without editing the init script (and thus getting prompted
-# by dpkg on upgrades).  We all love dpkg prompts.
-
-# Parameters to pass to dbus.
-PARAMS=""

etcs/default/dnsmasq

@@ -1,33 +0,0 @@
-# This file has five functions: 
-# 1) to completely disable starting dnsmasq, 
-# 2) to set DOMAIN_SUFFIX by running `dnsdomainname` 
-# 3) to select an alternative config file
-#    by setting DNSMASQ_OPTS to --conf-file=<file>
-# 4) to tell dnsmasq to read the files in /etc/dnsmasq.d for
-#    more configuration variables.
-# 5) to stop the resolvconf package from controlling dnsmasq's
-#    idea of which upstream nameservers to use.
-# For upgraders from very old versions, all the shell variables set 
-# here in previous versions are still honored by the init script
-# so if you just keep your old version of this file nothing will break.
-
-#DOMAIN_SUFFIX=`dnsdomainname`
-#DNSMASQ_OPTS="--conf-file=/etc/dnsmasq.alt"
-
-# Whether or not to run the dnsmasq daemon; set to 0 to disable.
-ENABLED=1
-
-# By default search this drop directory for configuration options.
-# Libvirt leaves a file here to make the system dnsmasq play nice.
-# Comment out this line if you don't want this. The dpkg-* are file
-# endings which cause dnsmasq to skip that file. This avoids pulling
-# in backups made by dpkg.
-CONFIG_DIR=/etc/dnsmasq.d,.dpkg-dist,.dpkg-old,.dpkg-new
-
-# If the resolvconf package is installed, dnsmasq will use its output 
-# rather than the contents of /etc/resolv.conf to find upstream 
-# nameservers. Uncommenting this line inhibits this behaviour.
-# Note that including a "resolv-file=<filename>" line in 
-# /etc/dnsmasq.conf is not enough to override resolvconf if it is
-# installed: the line below must be uncommented.
-IGNORE_RESOLVCONF=yes

etcs/default/fake-hwclock

@@ -1,2 +0,0 @@
-# Uncomment to set clock even if saved value appears to be in the past
-#FORCE=force

etcs/default/hostapd

@@ -1,20 +0,0 @@
-# Defaults for hostapd initscript
-#
-# See /usr/share/doc/hostapd/README.Debian for information about alternative
-# methods of managing hostapd.
-#
-# Uncomment and set DAEMON_CONF to the absolute path of a hostapd configuration
-# file and hostapd will be started during system boot. An example configuration
-# file can be found at /usr/share/doc/hostapd/examples/hostapd.conf.gz
-#
-DAEMON_CONF="/etc/hostapd/hostapd.conf"
-
-# Additional daemon options to be appended to hostapd command:-
-# 	-d   show more debug messages (-dd for even more)
-# 	-K   include key data in debug messages
-# 	-t   include timestamps in some debug messages
-#
-# Note that -B (daemon mode) and -P (pidfile) options are automatically
-# configured by the init.d script and must not be added to DAEMON_OPTS.
-#
-#DAEMON_OPTS=""

etcs/default/hwclock

@@ -1,19 +0,0 @@
-# Defaults for the hwclock init script.  See hwclock(5) and hwclock(8).
-
-# This is used to specify that the hardware clock incapable of storing
-# years outside the range of 1994-1999.  Set to yes if the hardware is
-# broken or no if working correctly.
-#BADYEAR=no
-
-# Set this to yes if it is possible to access the hardware clock,
-# or no if it is not.
-#HWCLOCKACCESS=yes
-
-# Set this to any options you might need to give to hwclock, such
-# as machine hardware clock type for Alphas.
-#HWCLOCKPARS=
-
-# Set this to the hardware clock device you want to use, it should
-# probably match the CONFIG_RTC_HCTOSYS_DEVICE kernel config option.
-#HCTOSYS_DEVICE=rtc0
-

etcs/default/keyboard

@@ -1,10 +0,0 @@
-# KEYBOARD CONFIGURATION FILE
-
-# Consult the keyboard(5) manual page.
-
-XKBMODEL="pc105"
-XKBLAYOUT="gb"
-XKBVARIANT=""
-XKBOPTIONS=""
-
-BACKSPACE="guess"

etcs/default/locale

@@ -1,2 +0,0 @@
-#  File generated by update-locale
-LANG=en_GB.UTF-8

etcs/default/networking

@@ -1,11 +0,0 @@
-# Configuration for networking init script being run during
-# the boot sequence
-
-# Set to 'no' to skip interfaces configuration on boot
-#CONFIGURE_INTERFACES=yes
-
-# Don't configure these interfaces. Shell wildcards supported/
-#EXCLUDE_INTERFACES=
-
-# Set to 'yes' to enable additional verbosity
-#VERBOSE=no

etcs/default/nfs-common

@@ -1,19 +0,0 @@
-# If you do not set values for the NEED_ options, they will be attempted
-# autodetected; this should be sufficient for most people. Valid alternatives
-# for the NEED_ options are "yes" and "no".
-
-# Do you want to start the statd daemon? It is not needed for NFSv4.
-NEED_STATD=
-
-# Options for rpc.statd.
-#   Should rpc.statd listen on a specific port? This is especially useful
-#   when you have a port-based firewall. To use a fixed port, set this
-#   this variable to a statd argument like: "--port 4000 --outgoing-port 4001".
-#   For more information, see rpc.statd(8) or http://wiki.debian.org/SecuringNFS
-STATDOPTS=
-
-# Do you want to start the idmapd daemon? It is only needed for NFSv4.
-NEED_IDMAPD=
-
-# Do you want to start the gssd daemon? It is required for Kerberos mounts.
-NEED_GSSD=

etcs/default/nss

@@ -1,37 +0,0 @@
-# /etc/default/nss
-# This file can theoretically contain a bunch of customization variables
-# for Name Service Switch in the GNU C library.  For now there are only
-# four variables:
-#
-# NETID_AUTHORITATIVE
-#   If set to TRUE, the initgroups() function will accept the information
-#   from the netid.byname NIS map as authoritative.  This can speed up the
-#   function significantly if the group.byname map is large.  The content
-#   of the netid.byname map is used AS IS.  The system administrator has
-#   to make sure it is correctly generated.
-#NETID_AUTHORITATIVE=TRUE
-#
-# SERVICES_AUTHORITATIVE
-#   If set to TRUE, the getservbyname{,_r}() function will assume
-#   services.byservicename NIS map exists and is authoritative, particularly
-#   that it contains both keys with /proto and without /proto for both
-#   primary service names and service aliases.  The system administrator
-#   has to make sure it is correctly generated.
-#SERVICES_AUTHORITATIVE=TRUE
-#
-# SETENT_BATCH_READ
-#  If set to TRUE, various setXXent() functions will read the entire
-#  database at once and then hand out the requests one by one from
-#  memory with every getXXent() call.  Otherwise each getXXent() call
-#  might result into a network communication with the server to get
-#  the next entry.
-#SETENT_BATCH_READ=TRUE
-#
-# ADJUNCT_AS_SHADOW
-#  If set to TRUE, the passwd routines in the NIS NSS module will not
-#  use the passwd.adjunct.byname tables to fill in the password data
-#  in the passwd structure.  This is a security problem if the NIS
-#  server cannot be trusted to send the passwd.adjuct table only to
-#  privileged clients.  Instead the passwd.adjunct.byname table is
-#  used to synthesize the shadow.byname table if it does not exist.
-ADJUNCT_AS_SHADOW=TRUE

etcs/default/raspberrypi-kernel

@@ -1,11 +0,0 @@
-# Defaults for raspberrypi-kernel
-
-# Uncomment the following line to enable generation of
-# /boot/initrd.img-KVER files (requires initramfs-tools)
-
-#INITRD=Yes
-
-# Uncomment the following line to enable generation of
-# /boot/initrd(7).img files (requires rpi-initramfs-tools)
-
-#RPI_INITRD=Yes

etcs/default/rsync

@@ -1,47 +0,0 @@
-# defaults file for rsync daemon mode
-#
-# This file is only used for init.d based systems!
-# If this system uses systemd, you can specify options etc. for rsync
-# in daemon mode by copying /lib/systemd/system/rsync.service to
-# /etc/systemd/system/rsync.service and modifying the copy; add required
-# options to the ExecStart line.
-
-# start rsync in daemon mode from init.d script?
-#  only allowed values are "true", "false", and "inetd"
-#  Use "inetd" if you want to start the rsyncd from inetd,
-#  all this does is prevent the init.d script from printing a message
-#  about not starting rsyncd (you still need to modify inetd's config yourself).
-RSYNC_ENABLE=false
-
-# which file should be used as the configuration file for rsync.
-# This file is used instead of the default /etc/rsyncd.conf
-# Warning: This option has no effect if the daemon is accessed
-#          using a remote shell. When using a different file for
-#          rsync you might want to symlink /etc/rsyncd.conf to
-#          that file.
-# RSYNC_CONFIG_FILE=
-
-# what extra options to give rsync --daemon?
-#  that excludes the --daemon; that's always done in the init.d script
-#  Possibilities are:
-#   --address=123.45.67.89		(bind to a specific IP address)
-#   --port=8730				(bind to specified port; default 873)
-RSYNC_OPTS=''
-
-# run rsyncd at a nice level?
-#  the rsync daemon can impact performance due to much I/O and CPU usage,
-#  so you may want to run it at a nicer priority than the default priority.
-#  Allowed values are 0 - 19 inclusive; 10 is a reasonable value.
-RSYNC_NICE=''
-
-# run rsyncd with ionice?
-#  "ionice" does for IO load what "nice" does for CPU load.
-#  As rsync is often used for backups which aren't all that time-critical,
-#  reducing the rsync IO priority will benefit the rest of the system.
-#  See the manpage for ionice for allowed options.
-#  -c3 is recommended, this will run rsync IO at "idle" priority. Uncomment
-#  the next line to activate this.
-# RSYNC_IONICE='-c3'
-
-# Don't forget to create an appropriate config file,
-# else the daemon will not start.

etcs/default/rsyslog

@@ -1,4 +0,0 @@
-# Options for rsyslogd
-# -x disables DNS lookups for remote messages
-# See rsyslogd(8) for more details
-RSYSLOGD_OPTIONS=""

etcs/default/ssh

@@ -1,5 +0,0 @@
-# Default settings for openssh-server. This file is sourced by /bin/sh from
-# /etc/init.d/ssh.
-
-# Options to pass to sshd
-SSHD_OPTS=

etcs/default/timidity

@@ -1,22 +0,0 @@
-# Defaults for TiMidity++ scripts
-# sourced by /etc/init.d/timidity
-# installed at /etc/default/timidity by the maintainer scripts
-# $Id: timidity.default,v 1.3 2004/08/07 14:33:26 hmh Exp $
-
-#
-# This is a POSIX shell fragment
-#
-
-SERVER_HOME=/etc/timidity
-SERVER_USER=timidity
-SERVER_NAME="TiMidity++ MIDI sequencer service"
-SERVER_GROUP=timidity
-ADDGROUP=audio
-
-# Enable MIDI sequencer (ALSA), if timidity-deamon is installed
-
-# uncomment to override enabling triggered by availability of timidity-deamon
-# TIM_ALSASEQ=false
-
-# Setting overrides (of /etc/timidity.conf) for the ALSA sequencer daemon
-TIM_ALSASEQPARAMS="-Os"

etcs/default/triggerhappy

@@ -1,17 +0,0 @@
-# Defaults for triggerhappy initscript
-# sourced by /etc/init.d/triggerhappy
-# installed at /etc/default/triggerhappy by the maintainer scripts
-
-#
-# This is a POSIX shell fragment
-#
-
-# Additional options that are passed to the Daemon.
-DAEMON_OPTS=""
-
-# The Triggerhappy daemon (thd) drops its root privileges after
-# startup and becomes "nobody". If you want it to retain its root
-# status (e.g. to run commands only accessible to the system user),
-# uncomment the following line or specifiy the user option yourself:
-#
-# DAEMON_OPTS="--user root"

etcs/default/useradd

@@ -1,37 +0,0 @@
-# Default values for useradd(8)
-#
-# The SHELL variable specifies the default login shell on your
-# system.
-# Similar to DHSELL in adduser. However, we use "sh" here because
-# useradd is a low level utility and should be as general
-# as possible
-SHELL=/bin/bash
-#
-# The default group for users
-# 100=users on Debian systems
-# Same as USERS_GID in adduser
-# This argument is used when the -n flag is specified.
-# The default behavior (when -n and -g are not specified) is to create a
-# primary user group with the same name as the user being added to the
-# system.
-# GROUP=100
-#
-# The default home directory. Same as DHOME for adduser
-# HOME=/home
-#
-# The number of days after a password expires until the account 
-# is permanently disabled
-# INACTIVE=-1
-#
-# The default expire date
-# EXPIRE=
-#
-# The SKEL variable specifies the directory containing "skeletal" user
-# files; in other words, files such as a sample .profile that will be
-# copied to the new user's home directory when it is created.
-SKEL=/etc/skel
-#
-# Defines whether the mail spool should be created while
-# creating the account
-# CREATE_MAIL_SPOOL=yes
-

etcs/dhcpcd.conf

@@ -1,59 +0,0 @@
-# A sample configuration for dhcpcd.
-# See dhcpcd.conf(5) for details.
-
-# Allow users of this group to interact with dhcpcd via the control socket.
-#controlgroup wheel
-
-# Inform the DHCP server of our hostname for DDNS.
-hostname
-
-# Use the hardware address of the interface for the Client ID.
-clientid
-# or
-# Use the same DUID + IAID as set in DHCPv6 for DHCPv4 ClientID as per RFC4361.
-# Some non-RFC compliant DHCP servers do not reply with this set.
-# In this case, comment out duid and enable clientid above.
-#duid
-
-# Persist interface configuration when dhcpcd exits.
-persistent
-
-# Rapid commit support.
-# Safe to enable by default because it requires the equivalent option set
-# on the server to actually work.
-option rapid_commit
-
-# A list of options to request from the DHCP server.
-option domain_name_servers, domain_name, domain_search, host_name
-option classless_static_routes
-# Most distributions have NTP support.
-option ntp_servers
-# Respect the network MTU. This is applied to DHCP routes.
-option interface_mtu
-
-# A ServerID is required by RFC2131.
-require dhcp_server_identifier
-
-# Generate Stable Private IPv6 Addresses instead of hardware based ones
-slaac private
-
-# Example static IP configuration:
-#interface eth0
-#static ip_address=192.168.0.10/24
-#static ip6_address=fd51:42f8:caae:d92e::ff/64
-#static routers=192.168.0.1
-#static domain_name_servers=192.168.0.1 8.8.8.8 fd51:42f8:caae:d92e::1
-
-# It is possible to fall back to a static IP if DHCP fails:
-# define static profile
-#profile static_eth0
-#static ip_address=192.168.1.23/24
-#static routers=192.168.1.1
-#static domain_name_servers=192.168.1.1
-
-# fallback to static profile on eth0
-#interface eth0
-#fallback static_eth0
-
-interface wlan0
-static ip_address=192.168.1.1/24

etcs/dnsmasq.conf

@@ -1,3 +0,0 @@
-interface=wlan0
-	dhcp-range=192.168.1.10,192.168.1.100,255.255.255.0,24h
-	address=/terahz.site/192.168.1.1

etcs/hostapd/hostapd.conf

@@ -1,9 +0,0 @@
-interface=wlan0
-hw_mode=g
-channel=8
-wpa=2
-wpa_key_mgmt=WPA-PSK
-wpa_pairwise=TKIP
-rsn_pairwise=CCMP
-ssid=TeraHz
-wpa_passphrase=terahertz

etcs/hostapd/ifupdown.sh

@@ -1,146 +0,0 @@
-#!/bin/sh
-
-# Copyright (C) 2006-2009 Debian hostapd maintainers 
-# 	Faidon Liambotis <paravoid@debian.org>
-#	Kel Modderman <kel@otaku42.de>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# On Debian GNU/Linux systems, the text of the GPL license,
-# version 2, can be found in /usr/share/common-licenses/GPL-2.
-
-# quit if we're called for lo
-if [ "$IFACE" = lo ]; then
-	exit 0
-fi
-
-if [ -n "$IF_HOSTAPD" ]; then
-	HOSTAPD_CONF="$IF_HOSTAPD"
-else
-	exit 0
-fi
-
-HOSTAPD_BIN="/usr/sbin/hostapd"
-HOSTAPD_PNAME="hostapd"
-HOSTAPD_PIDFILE="/run/hostapd.$IFACE.pid"
-HOSTAPD_OMIT_PIDFILE="/run/sendsigs.omit.d/hostapd.$IFACE.pid"
-
-if [ ! -x "$HOSTAPD_BIN" ]; then
-	exit 0
-fi
-
-if [ "$VERBOSITY" = "1" ]; then
-	TO_NULL="/dev/stdout"
-else
-	TO_NULL="/dev/null"
-fi
-
-hostapd_msg () {
-	case "$1" in
-		verbose)
-			shift
-			echo "$HOSTAPD_PNAME: $@" > "$TO_NULL"
-			;;
-		stderr)
-			shift
-			echo "$HOSTAPD_PNAME: $@" > /dev/stderr
-			;;
-		*)
-			;;
-	esac
-}
-
-test_hostapd_pidfile () {
-	if [ -n "$1" ] && [ -f "$2" ]; then
-		if start-stop-daemon --stop --quiet --signal 0 \
-			--exec "$1" --pidfile "$2"; then
-			return 0
-		else
-			rm -f "$2"
-			return 1
-		fi
-	else
-		return 1
-	fi
-}
-
-init_hostapd () {
-	HOSTAPD_OPTIONS="-B -P $HOSTAPD_PIDFILE $HOSTAPD_CONF"
-	HOSTAPD_MESSAGE="$HOSTAPD_BIN $HOSTAPD_OPTIONS"
-	
-	test_hostapd_pidfile "$HOSTAPD_BIN" "$HOSTAPD_PIDFILE" && return 0
-
-	hostapd_msg verbose "$HOSTAPD_MESSAGE"
-	start-stop-daemon --start --oknodo --quiet --exec "$HOSTAPD_BIN" \
-		--pidfile "$HOSTAPD_PIDFILE" -- $HOSTAPD_OPTIONS > "$TO_NULL"
-
-	if [ "$?" -ne 0 ]; then
-		return "$?"
-	fi
-
-	HOSTAPD_PIDFILE_WAIT=0
-	until [ -s "$HOSTAPD_PIDFILE" ]; do
-		if [ "$HOSTAPD_PIDFILE_WAIT" -ge 5 ]; then
-			hostapd_msg stderr \
-				"timeout waiting for pid file creation"
-			return 1
-		fi
-
-		HOSTAPD_PIDFILE_WAIT=$(($HOSTAPD_PIDFILE_WAIT + 1))
-		sleep 1
-	done
-	cat "$HOSTAPD_PIDFILE" > "$HOSTAPD_OMIT_PIDFILE"
-
-	return 0
-}
-
-kill_hostapd () {
-	HOSTAPD_MESSAGE="stopping $HOSTAPD_PNAME via pidfile: $HOSTAPD_PIDFILE"
-
-	test_hostapd_pidfile "$HOSTAPD_BIN" "$HOSTAPD_PIDFILE" || return 0
-	
-	hostapd_msg verbose "$HOSTAPD_MESSAGE"
-	start-stop-daemon --stop --oknodo --quiet --exec "$HOSTAPD_BIN" \
-		--pidfile "$HOSTAPD_PIDFILE" > "$TO_NULL"
-	
-	[ "$HOSTAPD_OMIT_PIDFILE" ] && rm -f "$HOSTAPD_OMIT_PIDFILE"
-}
-
-case "$MODE" in 
-	start)
-		case "$PHASE" in
-			pre-up)
-				init_hostapd || exit 1
-				;;
-			*)
-				hostapd_msg stderr "unknown phase: \"$PHASE\""
-				exit 1
-				;;
-		esac
-		;;
-	stop)
-		case "$PHASE" in
-			post-down)
-				kill_hostapd
-				;;
-			*)
-				hostapd_msg stderr "unknown phase: \"$PHASE\""
-				exit 1
-				;;
-		esac
-		;;
-	*)
-		hostapd_msg stderr "unknown mode: \"$MODE\""
-		exit 1
-		;;
-esac
-
-exit 0

etcs/ifupdown.sh

@@ -1,146 +0,0 @@
-#!/bin/sh
-
-# Copyright (C) 2006-2009 Debian hostapd maintainers 
-# 	Faidon Liambotis <paravoid@debian.org>
-#	Kel Modderman <kel@otaku42.de>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# On Debian GNU/Linux systems, the text of the GPL license,
-# version 2, can be found in /usr/share/common-licenses/GPL-2.
-
-# quit if we're called for lo
-if [ "$IFACE" = lo ]; then
-	exit 0
-fi
-
-if [ -n "$IF_HOSTAPD" ]; then
-	HOSTAPD_CONF="$IF_HOSTAPD"
-else
-	exit 0
-fi
-
-HOSTAPD_BIN="/usr/sbin/hostapd"
-HOSTAPD_PNAME="hostapd"
-HOSTAPD_PIDFILE="/run/hostapd.$IFACE.pid"
-HOSTAPD_OMIT_PIDFILE="/run/sendsigs.omit.d/hostapd.$IFACE.pid"
-
-if [ ! -x "$HOSTAPD_BIN" ]; then
-	exit 0
-fi
-
-if [ "$VERBOSITY" = "1" ]; then
-	TO_NULL="/dev/stdout"
-else
-	TO_NULL="/dev/null"
-fi
-
-hostapd_msg () {
-	case "$1" in
-		verbose)
-			shift
-			echo "$HOSTAPD_PNAME: $@" > "$TO_NULL"
-			;;
-		stderr)
-			shift
-			echo "$HOSTAPD_PNAME: $@" > /dev/stderr
-			;;
-		*)
-			;;
-	esac
-}
-
-test_hostapd_pidfile () {
-	if [ -n "$1" ] && [ -f "$2" ]; then
-		if start-stop-daemon --stop --quiet --signal 0 \
-			--exec "$1" --pidfile "$2"; then
-			return 0
-		else
-			rm -f "$2"
-			return 1
-		fi
-	else
-		return 1
-	fi
-}
-
-init_hostapd () {
-	HOSTAPD_OPTIONS="-B -P $HOSTAPD_PIDFILE $HOSTAPD_CONF"
-	HOSTAPD_MESSAGE="$HOSTAPD_BIN $HOSTAPD_OPTIONS"
-	
-	test_hostapd_pidfile "$HOSTAPD_BIN" "$HOSTAPD_PIDFILE" && return 0
-
-	hostapd_msg verbose "$HOSTAPD_MESSAGE"
-	start-stop-daemon --start --oknodo --quiet --exec "$HOSTAPD_BIN" \
-		--pidfile "$HOSTAPD_PIDFILE" -- $HOSTAPD_OPTIONS > "$TO_NULL"
-
-	if [ "$?" -ne 0 ]; then
-		return "$?"
-	fi
-
-	HOSTAPD_PIDFILE_WAIT=0
-	until [ -s "$HOSTAPD_PIDFILE" ]; do
-		if [ "$HOSTAPD_PIDFILE_WAIT" -ge 5 ]; then
-			hostapd_msg stderr \
-				"timeout waiting for pid file creation"
-			return 1
-		fi
-
-		HOSTAPD_PIDFILE_WAIT=$(($HOSTAPD_PIDFILE_WAIT + 1))
-		sleep 1
-	done
-	cat "$HOSTAPD_PIDFILE" > "$HOSTAPD_OMIT_PIDFILE"
-
-	return 0
-}
-
-kill_hostapd () {
-	HOSTAPD_MESSAGE="stopping $HOSTAPD_PNAME via pidfile: $HOSTAPD_PIDFILE"
-
-	test_hostapd_pidfile "$HOSTAPD_BIN" "$HOSTAPD_PIDFILE" || return 0
-	
-	hostapd_msg verbose "$HOSTAPD_MESSAGE"
-	start-stop-daemon --stop --oknodo --quiet --exec "$HOSTAPD_BIN" \
-		--pidfile "$HOSTAPD_PIDFILE" > "$TO_NULL"
-	
-	[ "$HOSTAPD_OMIT_PIDFILE" ] && rm -f "$HOSTAPD_OMIT_PIDFILE"
-}
-
-case "$MODE" in 
-	start)
-		case "$PHASE" in
-			pre-up)
-				init_hostapd || exit 1
-				;;
-			*)
-				hostapd_msg stderr "unknown phase: \"$PHASE\""
-				exit 1
-				;;
-		esac
-		;;
-	stop)
-		case "$PHASE" in
-			post-down)
-				kill_hostapd
-				;;
-			*)
-				hostapd_msg stderr "unknown phase: \"$PHASE\""
-				exit 1
-				;;
-		esac
-		;;
-	*)
-		hostapd_msg stderr "unknown mode: \"$MODE\""
-		exit 1
-		;;
-esac
-
-exit 0

etcs/lighttpd/conf-available/05-auth.conf

@@ -1,25 +0,0 @@
-# /usr/share/doc/lighttpd/authentication.txt.gz
-
-server.modules                += ( "mod_auth" )
-
-# auth.backend                 = "plain"
-# auth.backend.plain.userfile  = "lighttpd.user"
-# auth.backend.plain.groupfile = "lighttpd.group"
-
-# auth.backend.ldap.hostname   = "localhost"
-# auth.backend.ldap.base-dn    = "dc=my-domain,dc=com"
-# auth.backend.ldap.filter     = "(uid=$)"
-
-# auth.require                 = ( "/server-status" => 
-#                                ( 
-#				  "method"  => "digest",
-#				  "realm"   => "download archiv",
-#				  "require" => "group=www|user=jan|host=192.168.2.10"
-#				),
-#				"/server-info" => 
-#                                ( 
-#				  "method"  => "digest",
-#				  "realm"   => "download archiv",
-#				  "require" => "group=www|user=jan|host=192.168.2.10"
-#				)
-#                              )

etcs/lighttpd/conf-available/10-accesslog.conf

@@ -1,3 +0,0 @@
-server.modules += ( "mod_accesslog" )
-
-accesslog.filename = "/var/log/lighttpd/access.log"

etcs/lighttpd/conf-available/10-cgi.conf

@@ -1,15 +0,0 @@
-# /usr/share/doc/lighttpd/cgi.txt
-
-server.modules += ( "mod_cgi" )
-
-$HTTP["url"] =~ "^/cgi-bin/" {
-	cgi.assign = ( "" => "" )
-}
-
-## Warning this represents a security risk, as it allow to execute any file
-## with a .pl/.py even outside of /usr/lib/cgi-bin.
-#
-#cgi.assign      = (
-#	".pl"  => "/usr/bin/perl",
-#	".py"  => "/usr/bin/python",
-#)

etcs/lighttpd/conf-available/10-dir-listing.conf

@@ -1,2 +0,0 @@
-dir-listing.encoding = "utf-8"
-server.dir-listing   = "enable"

etcs/lighttpd/conf-available/10-evasive.conf

@@ -1 +0,0 @@
-server.modules += ( "mod_evasive" )

etcs/lighttpd/conf-available/10-evhost.conf

@@ -1,5 +0,0 @@
-# http://redmine.lighttpd.net/wiki/1/Docs:ModEVhost
-
-server.modules += ( "mod_evhost" )
-
-evhost.path-pattern = "/srv/%_/htdocs"

etcs/lighttpd/conf-available/10-expire.conf

@@ -1,3 +0,0 @@
-# http://redmine.lighttpd.net/projects/lighttpd/wiki/Docs:ModExpire
-
-server.modules += ( "mod_expire" )

etcs/lighttpd/conf-available/10-fastcgi.conf

@@ -1,4 +0,0 @@
-# /usr/share/doc/lighttpd/fastcgi.txt.gz
-# http://redmine.lighttpd.net/projects/lighttpd/wiki/Docs:ConfigurationOptions#mod_fastcgi-fastcgi
-
-server.modules += ( "mod_fastcgi" )

etcs/lighttpd/conf-available/10-flv-streaming.conf

@@ -1 +0,0 @@
-server.modules += ( "mod_flv_streaming" )

etcs/lighttpd/conf-available/10-no-www.conf

@@ -1,3 +0,0 @@
-$HTTP["host"] =~ "^www\.(.*)" {
-  url.redirect = ( "^/(.*)" => "http://%1/$1" )
-}

etcs/lighttpd/conf-available/10-proxy.conf

@@ -1,25 +0,0 @@
-# /usr/share/doc/lighttpd/proxy.txt
-
-server.modules   += ( "mod_proxy" )
-
-## Balance algorithm, possible values are: "hash", "round-robin" or "fair" (default)
-# proxy.balance     = "hash" 
-
-
-## Redirect all queries to files ending with ".php" to 192.168.0.101:80 
-#proxy.server     = ( ".php" =>
-#                     ( 
-#                       ( "host" => "192.168.0.101",
-#                         "port" => 80
-#                       )
-#                     )
-#                    )
-
-## Redirect all connections on www.example.com to 10.0.0.1{0,1,2,3}
-#$HTTP["host"] == "www.example.com" {
-#  proxy.balance = "hash"
-#  proxy.server  = ( "" => ( ( "host" => "10.0.0.10" ),
-#                            ( "host" => "10.0.0.11" ),
-#                            ( "host" => "10.0.0.12" ),
-#                            ( "host" => "10.0.0.13" ) ) )
-#}

etcs/lighttpd/conf-available/10-rewrite.conf

@@ -1,4 +0,0 @@
-# /usr/share/doc/lighttpd/rewrite.txt
-# http://redmine.lighttpd.net/projects/lighttpd/wiki/Docs_ConfigurationOptions#mod_rewrite-rewriting
-
-server.modules += ( "mod_rewrite" )

etcs/lighttpd/conf-available/10-rrdtool.conf

@@ -1,10 +0,0 @@
-# /usr/share/doc/lighttpd/rrdtool.txt
-
-server.modules += ( "mod_rrdtool" )
-
-## path to the rrdtool binary
-rrdtool.binary   = "/usr/bin/rrdtool"
-
-## file to store the rrd database, will be created by lighttpd
-rrdtool.db-name   = "/var/www/lighttpd.rrd"
-

etcs/lighttpd/conf-available/10-simple-vhost.conf

@@ -1,11 +0,0 @@
-# /usr/share/doc/lighttpd/simple-vhost.txt
-
-server.modules += ( "mod_simple_vhost" )
-
-## The document root of a virtual host is document-root =
-##   simple-vhost.server-root + $HTTP["host"] + simple-vhost.document-root
-simple-vhost.server-root         = "/srv"
-simple-vhost.document-root       = "htdocs"
-
-## the default host if no host is sent
-simple-vhost.default-host        = "www.example.com"

etcs/lighttpd/conf-available/10-ssi.conf

@@ -1,5 +0,0 @@
-# /usr/share/doc/lighttpd/ssi.txt
-
-server.modules += ( "mod_ssi" )
-
-ssi.extension   = ( ".shtml" )

etcs/lighttpd/conf-available/10-ssl.conf

@@ -1,9 +0,0 @@
-# /usr/share/doc/lighttpd/ssl.txt
-
-$SERVER["socket"] == "0.0.0.0:443" {
-	ssl.engine  = "enable"
-	ssl.pemfile = "/etc/lighttpd/server.pem"
-
-	ssl.cipher-list = "ECDHE-RSA-AES256-SHA384:AES256-SHA256:RC4:HIGH:!MD5:!aNULL:!EDH:!AESGCM"
-	ssl.honor-cipher-order = "enable"
-}

etcs/lighttpd/conf-available/10-status.conf

@@ -1,15 +0,0 @@
-# /usr/share/doc/lighttpd/status.txt
-# http://trac.lighttpd.net/trac/wiki/Docs%3AModStatus
-
-server.modules += ( "mod_status" )
-
-# status.status-url = "/server-status"
-
-# status.config-url = "/server-config"
-
-## relative URL for a plain-text page containing the internal statistics
-# status.statistics-url = "/server-statistics"
-
-## add JavaScript which allows client-side sorting for the connection overview
-## default: enable
-# status.enable-sort = "disable"

etcs/lighttpd/conf-available/10-userdir.conf

@@ -1,13 +0,0 @@
-## The userdir module provides a simple way to link user-based directories into
-## the global namespace of the webserver.
-##
-# /usr/share/doc/lighttpd/userdir.txt
-
-server.modules      += ( "mod_userdir" )
-
-## the subdirectory of a user's home dir which should be accessible
-## under http://$host/~$user
-userdir.path         = "public_html"
-
-## The users whose home directories should not be accessible
-userdir.exclude-user = ( "root", "postmaster" )

etcs/lighttpd/conf-available/10-usertrack.conf

@@ -1 +0,0 @@
-server.modules += ( "mod_usertrack" )

etcs/lighttpd/conf-available/11-extforward.conf

@@ -1,6 +0,0 @@
-# -*- depends: accesslog -*-
-
-server.modules += ( "mod_extforward" )
-
-# extforward.headers = ("X-Cluster-Client-Ip")
-# extforward.forwarder = ("10.0.0.232" => "trust")

etcs/lighttpd/conf-available/15-fastcgi-php.conf

@@ -1,20 +0,0 @@
-# -*- depends: fastcgi -*-
-# /usr/share/doc/lighttpd/fastcgi.txt.gz
-# http://redmine.lighttpd.net/projects/lighttpd/wiki/Docs:ConfigurationOptions#mod_fastcgi-fastcgi
-
-## Start an FastCGI server for php (needs the php5-cgi package)
-fastcgi.server += ( ".php" => 
-	((
-		"bin-path" => "/usr/bin/php-cgi",
-		"socket" => "/var/run/lighttpd/php.socket",
-		"max-procs" => 1,
-		"bin-environment" => ( 
-			"PHP_FCGI_CHILDREN" => "4",
-			"PHP_FCGI_MAX_REQUESTS" => "10000"
-		),
-		"bin-copy-environment" => (
-			"PATH", "SHELL", "USER"
-		),
-		"broken-scriptfilename" => "enable"
-	))
-)

etcs/lighttpd/conf-available/90-debian-doc.conf

@@ -1,15 +0,0 @@
-#### handle Debian Policy Manual, Section 11.5. urls
-## by default allow them only from localhost
-$HTTP["remoteip"] =~ "^127\.0\.0\.1$|^::1$" {
-        alias.url += (
-		"/cgi-bin/" => "/usr/lib/cgi-bin/",
-                "/doc/" => "/usr/share/doc/",
-                "/images/" => "/usr/share/images/"
-        )
-        $HTTP["url"] =~ "^/doc/|^/images/" {
-                dir-listing.activate = "enable"
-        }
-        $HTTP["url"] =~ "^/cgi-bin/" {
-                cgi.assign = ( "" => "" )
-        }
-}

etcs/lighttpd/conf-available/90-javascript-alias.conf

@@ -1 +0,0 @@
-alias.url += ("/javascript" => "/usr/share/javascript")

etcs/lighttpd/conf-available/README

@@ -1,22 +0,0 @@
-ligghttpd Configuration under Debian GNU/Linux
-==============================================
-
-Files and Directories in /etc/lighttpd:
----------------------------------------
-
-lighttpd.conf:
-	 main configuration file
-
-conf-available/
-	This directory contains a series of .conf files. These files contain
-        configuration directives necessary to load and run webserver modules.
-	If you want to create your own files they names should be
-        build as nn-name.conf where "nn" is two digit number (number
-	is used to find order for loading files)
-
-conf-enabled/	  
-	To actually enable a module for lighttpd, it is necessary to create a 
-        symlink in this directory to the .conf file in conf-available/.
-
-Enabling and disabling modules could be done by provided
-/usr/sbin/lighty-enable-mod and /usr/sbin/lighty-disable-mod scripts. 

etcs/lighttpd/conf-enabled/90-javascript-alias.conf

@@ -1 +0,0 @@
-../conf-available/90-javascript-alias.conf

etcs/lighttpd/lighttpd.conf

@@ -1,27 +0,0 @@
-server.modules = (
-	"mod_access",
-	"mod_alias",
-	"mod_compress",
- 	"mod_redirect",
-)
-
-server.document-root        = "/home/terahz/TeraHz/frontend"
-server.upload-dirs          = ( "/var/cache/lighttpd/uploads" )
-server.errorlog             = "/var/log/lighttpd/error.log"
-server.pid-file             = "/var/run/lighttpd.pid"
-server.username             = "www-data"
-server.groupname            = "www-data"
-server.port                 = 80
-
-
-index-file.names            = ( "index.php", "index.html", "index.lighttpd.html" )
-url.access-deny             = ( "~", ".inc" )
-static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" )
-
-compress.cache-dir          = "/var/cache/lighttpd/compress/"
-compress.filetype           = ( "application/javascript", "text/css", "text/html", "text/plain" )
-
-# default listening port for IPv6 falls back to the IPv4 port
-include_shell "/usr/share/lighttpd/use-ipv6.pl " + server.port
-include_shell "/usr/share/lighttpd/create-mime.assign.pl"
-include_shell "/usr/share/lighttpd/include-conf-enabled.pl"

etcs/rc.local

@@ -1,19 +0,0 @@
-#!/bin/sh -e
-#
-# rc.local
-#
-# This script is executed at the end of each multiuser runlevel.
-# Make sure that the script will "exit 0" on success or any other
-# value on error.
-#
-# In order to enable or disable this script just change the execution
-# bits.
-#
-# By default this script does nothing.
-
-# Print the IP address
-
-cd /home/pi/TeraHz/backend
-service lighttpd start
-flask run -h 0.0.0.0 &
-exit 0

etcs/resolvconf.conf

@@ -1,14 +0,0 @@
-# Configuration for resolvconf(8)
-# See resolvconf.conf(5) for details
-
-resolv_conf=/etc/resolv.conf
-# If you run a local name server, you should uncomment the below line and
-# configure your subscribers configuration files below.
-name_servers=1.1.1.1
-
-# Mirror the Debian package defaults for the below resolvers
-# so that resolvconf integrates seemlessly.
-#dnsmasq_resolv=/var/run/dnsmasq/resolv.conf
-#pdnsd_conf=/etc/pdnsd.conf
-#unbound_conf=/var/cache/unbound/resolvconf_resolvers.conf
-resolvconf=NO

frontend/frontend.js

@@ -1,56 +0,0 @@
-// All code in this file is licensed under the ISC license, provided in LICENSE.txt
-var globalObject;
-$('#update').click(function () {
-  updateData();
-});
-// jQuery event binder
-
-function updateData () {
-  // download data from backend into obj
-  const url = 'http://' + window.location.hostname + ':5000/data';
-  // I understand how bad this line looks. Please don't judge me...
-  $.get(url, function (data, status) { // standard jQuery AJAX
-    globalObject = data;
-  })
-    .done(function () {
-      fillTable(globalObject, $('#specter'));
-      graphSpectralData(globalObject, $('#spectrogram'));
-      fillLuxUv(globalObject, $('#luxuv'));
-    });
-}
-
-function fillTable (obj, dom) {
-  // applies data in obj[0] to HTML tags with the obj's key as ID.
-  // useful mostly for slapping spectrometer JSON into HTML tables.
-  for (var i in obj[0]) {
-    $(dom).find('#' + i).text(obj[0][i]);
-  }
-}
-
-function graphSpectralData (obj, dom) {
-  // graphs the data from obj[0] into canvas at dom
-  var arr = [];
-  ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'R', 'I', 'S', 'J', 'T', 'U', 'V', 'W', 'K', 'L'].forEach(function (i) {
-    arr.push(obj[0][i]);
-  });
-  var chart = new Chart(dom, {
-    type: 'line',
-    data: {
-      labels: ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'R', 'I', 'S', 'J', 'T', 'U', 'V', 'W', 'K', 'L'],
-      datasets: [{
-        label: 'Spectrometer data',
-        data: arr
-      }]
-    },
-    options: {
-      responsive: false
-    }
-  });
-}
-
-function fillLuxUv (obj, dom) {
-  $(dom).find('#lx').text(obj[1]);
-  $(dom).find('#uva').text(obj[2][0]);
-  $(dom).find('#uvb').text(obj[2][1]);
-  $(dom).find('#uvi').text(obj[2][2]);
-}

frontend/index.html

@@ -1,154 +0,0 @@
-<!DOCTYPE html>
-<html>
-
-<head>
-  <meta charset="utf8">
-  <link rel="stylesheet" href="lib/bootstrap.min.css">
-  <link rel="stylesheet" href="stylesheet.css">
-  <title>TeraHz</title>
-</head>
-
-<body>
-  <div class="container text-center">
-    <h1>TeraHz</h1>
-  </div>
-  <div class="container">
-    <button id="update" class="btn btn-primary m-1 float-right">Get data</button>
-    <p id="debug">
-    </p>
-    <h3>Spectrogram</h3>
-    <canvas id="spectrogram" width="640px" height="480"></canvas>
-    <h3>Spectral readings</h3>
-    <table class="table table-sm" id="specter">
-      <thead class="thead-dark">
-        <tr>
-          <th>Band</th>
-          <th>Wavelength [nm]</th>
-          <th>Irradiance [μW/cm²]</th>
-        </tr>
-      </thead>
-      <tr>
-        <td>A</td>
-        <td>410 nm</td>
-        <td id="A">---</td>
-      </tr>
-      <tr>
-        <td>B</td>
-        <td>435 nm</td>
-        <td id="B">---</td>
-      </tr>
-      <tr>
-        <td>C</td>
-        <td>460 nm</td>
-        <td id="C">---</td>
-      </tr>
-      <tr>
-        <td>D</td>
-        <td>485 nm</td>
-        <td id="D">---</td>
-      </tr>
-      <tr>
-        <td>E</td>
-        <td>510 nm</td>
-        <td id="E">---</td>
-      </tr>
-      <tr>
-        <td>F</td>
-        <td>535 nm</td>
-        <td id="F">---</td>
-      </tr>
-      <tr>
-        <td>G</td>
-        <td>560 nm</td>
-        <td id="G">---</td>
-      </tr>
-      <tr>
-        <td>H</td>
-        <td>585 nm</td>
-        <td id="H">---</td>
-      </tr>
-      <tr>
-        <td>R</td>
-        <td>610 nm</td>
-        <td id="R">---</td>
-      </tr>
-      <tr>
-        <td>I</td>
-        <td>645 nm</td>
-        <td id="I">---</td>
-      </tr>
-      <tr>
-        <td>S</td>
-        <td>680 nm</td>
-        <td id="S">---</td>
-      </tr>
-      <tr>
-        <td>J</td>
-        <td>705 nm</td>
-        <td id="J">---</td>
-      </tr>
-      <tr>
-        <td>T</td>
-        <td>730 nm</td>
-        <td id="T">---</td>
-      </tr>
-      <tr>
-        <td>U</td>
-        <td>760 nm</td>
-        <td id="U">---</td>
-      </tr>
-      <tr class="table-secondary">
-        <td>V</td>
-        <td>810 nm</td>
-        <td id="V">---</td>
-      </tr>
-      <tr class="table-secondary">
-        <td>W</td>
-        <td>860 nm</td>
-        <td id="W">---</td>
-      </tr>
-      <tr class="table-secondary">
-        <td>K</td>
-        <td>900 nm</td>
-        <td id="K">---</td>
-      </tr>
-      <tr class="table-secondary">
-        <td>L</td>
-        <td>940 nm</td>
-        <td id="L">---</td>
-      </tr>
-    </table>
-    <br>
-    <h3>Lux and UV readings</h3>
-    <table class="table" id="luxuv">
-      <thead class="thead-dark">
-        <tr>
-          <th>Parameter</th>
-          <th>Value</th>
-        </tr>
-      </thead>
-      <tr>
-        <td>Illuminance [lx]</td>
-        <td id="lx">---</td>
-      </tr>
-      <tr>
-        <td>UVA irradiance [μW/cm²]</td>
-        <td id="uva">---</td>
-      </tr>
-      <tr>
-        <td>UVB irradiance [μW/cm²]</td>
-        <td id="uvb">---</td>
-      </tr>
-      <tr>
-        <td>UVA/UVB average [μW/cm²]</td>
-        <td id="uvi">---</td>
-      </tr>
-    </table>
-  </div>
-  <script src="lib/bootstrap.bundle.min.js"></script>
-  <script src="lib/jquery-3.4.1.min.js"></script>
-  <script src="lib/chart.bundle.js"></script>
-  <script src="frontend.js"></script>
-</body>
-
-</html>

mkdocs.yml

@@ -1,6 +1,9 @@
 site_name: TeraHz Documentation
 theme: readthedocs
 nav:
-  - Start page: 'index.md'
+- Start page: 'index.md'
+- Advanced guides:
   - Build guide: 'build.md'
-  - Development-stable dependencies: 'dependencies.md'
+  - Developer's guide: 'dev-guide.md'
+  - Electrical guide: 'electrical.md'
+  - Latest dependencies: 'dependencies.md'

sensor_docs/demo.svg

@@ -1,131 +0,0 @@
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