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A software written in python3 that allows you to transform an E-Paper display (like the kindle) into an information display. It fetches live data from Openweathermap (a weather info provider) and your Online Calendar (Google Calendar), fetches RSS-Feeds and displays them on a large, beautiful and ultra-low power E-Paper display. It's ideal for staying organised and keeping track of important details without having to check them up online each time.

This software fully supports the 3-Colour **and** 2-Colour version of the 7.5" E-Paper display from waveshare/gooddisplay and works with Raspberry Pi 2, 3 and 0 (Zero, Zero W, Zero WH).

## News:
* **Version 1.5 released (Early February 2019) with a new layout, displayed events and many back-end improvements**

## Preview
<p align="center">
<img src="https://github.com/aceisace/Inky-Calendar/blob/master/Gallery/v1-5-mar-19.JPG" width="600">
</p>

## Main features
* Monthly Calendar which automatically updates itself to the current day
* Fetch appointments/events from your Google Calendar and display them on the Display
* Fetch live weather data (temperature, humidity, sunrise- & sunset time, wind speed, weather-icon) from Openweathermap servers and display them on the E-Paper
* Fetch RSS-feeds from given RSS-feed URLs and display the content (news, quotes etc.) on the E-Paper

**To get started, follow the instructions below.**

## Hardware required
* 7.5" 3-Colour E-Paper Display (Black, White, Red/Yellow) with driver hat from [waveshare](https://www.waveshare.com/product/7.5inch-e-paper-hat-b.htm)
**or**
* 7.5" 2-Colour E-Paper Display (Black, White) with driver hat from [waveshare](https://www.waveshare.com/product/7.5inch-e-paper-hat.htm)
* Raspberry Pi Zero WH (with headers) (no soldering iron required)
* Or: Raspberry Pi Zero W. In this case, you'll need to solder 2x20 pin GPIO headers yourself
* MicroSD card (min. 4GB)
* MicroUSB cable (for power)
* Something to be used as a case (e.g. a (RIBBA) picture frame or a 3D-printed case)

# Setup
## Getting the Raspberry Pi Zero W ready
1. After [flashing Raspbian Stretch (Lite or Desktop)](https://www.raspberrypi.org/downloads/raspbian/), set up Wifi on the Raspberry Pi Zero W by copying the file **wpa_supplicant.conf** (from above) to the /boot directory and adding your Wifi details in that file.
2. Create a simple text document named **ssh** in the boot directory to enable ssh.
3. Expand the filesystem in the Terminal with **`sudo raspi-config --expand-rootfs`**
4. Enable SPI by entering **`sudo sed -i s/#dtparam=spi=on/dtparam=spi=on/ /boot/config.txt`** in the Terminal
5. Set the correct timezone with **`sudo dpkg-reconfigure tzdata`**, selecting the correct continent and then the capital of your country.
6. Reboot to apply changes
7. Optional: If you want to disable the on-board leds of the Raspberry, follow these instructions: 
**[Disable on-board-led](https://www.jeffgeerling.com/blogs/jeff-geerling/controlling-pwr-act-leds-raspberry-pi)**

## Installing required packages for python 3.x
Execute the following command in the Terminal to install all required packages. This will work on both, Raspbian Stretch with Desktop and Raspbian Stretch lite. 

**`bash -c "$(curl -sL https://raw.githubusercontent.com/aceisace/Inky-Calendar/master/Installer-with-debug.sh)"`**

If the Installer should fail for any reason, kindly open an issue and paste the error. Thanks.

**Screenshot of the installer:**

<img src="https://github.com/aceisace/Inky-Calendar/blob/master/Gallery/installer-v1-5-p1.png" width="650"><img src="https://github.com/aceisace/Inky-Calendar/blob/master/Gallery/installer-v1-5-p2.png" width="650">

## Adding details to the programm
Once the packages are installed, navigate to the home directory, open 'E-Paper-Calendar' and open the file 'settings.py' inside the Calendar folder. Adjust the values using the list below as a reference. You can edit the settings.py file by typing:
`nano /home/pi/E-Paper-Calendar/Calendar/settings.py` in the Terminal. 

| Parameter |  Description |
| :---: | :---: |
| ical_urls |  Your iCalendar URL/s. To add more than one URL, seperate each with a comma |
| rss_feeds | Here, you can add RSS-feed URLs which are used to fetch news etc. |
| update_interval | How often should be Display be updated in one hour? The default option is `"60"`, which means once every 30 hour. You can select one of the values from: `"10"`, `"15"`, `"20"`, `"30"`, `"60"`. Please note that ghosting will occur when updating too frequently. To prevent ghosting, it's recommended to run 1 calibration for every 6 updates. For example, with an update interval of 1 hour, the calibration should be executed every 6 hours. |
| additional_feature | What would you like the Display to show in the section below the Calendar? The default option is `"rss"` (for RSS-feeds. You may choose `"events`" if you want to display events instead of RSS-feeds|
| api_key | Your __personal__ openweathermap API-key which you can generate and find in your Account info |
| location | Location refers to the closest weather station from your place. It isn't necessarily the place you live in. To find this location, type your city name in the search box on [openweathermap](https://openweathermap.org/). The output should be in the following format: City Name, Country ISO-Code. Not sure what your ISO code is? Check here: [(find iso-code)](https://countrycode.org/)  |
| week_starts_on | When does the week start on your Region? Possible options are `"Monday"` or `"Sunday"`|
|events_max_range| How far in the future should events from your iCalendar be fetched. The value is given in days. By default, events in the next 60 days will be fetched from the Calendar. Can be any integer from `"1"` to `"365"`|
| calibration_hours | At which hours would you like the Display to 'calibrate' itself? Calibration is strongly recommended at least 3 times a day. In the list, you have to include hours in 24-hour format, seperated by a comma. The default option is `[1,12,18]` and refers to 1 am, 12 am, and 6 pm |
display_colours | This should normally be set by the installer when you choose the type of your display. Options include `"bw"` if you're using the black and white E-Paper or `"bwr"` when you're using the black-white-red or black-white-yellow E-Paper|
| language | Choosing the language allows changing the language of the month and week-icons. Possible options are `"en"` for english,  `"de"` for german and `"zh-tw"` for Taiwan Chinese (Hong Kong Chinese)|
|units| Selecting units allows switching units from km/h (kilometer per hour) and °C (degree Celcius) to mph (miles per hour) and °F (degree Fahrenheit). Possible options are `"metric"` or `"imperial"`|
|hours | Which time format do you prefer? This will change the sunrise and sunset times from 24-hours format to 12-hours format. Possible options are `"24"` for 24-hours and `"12"` for 12-hours.|

## iCalendar
Currently, only Google Calendar is fully supported and has proven to run more stable than others. While it is possible that a non-Google iCalendar may work, it is often not the case. If you're not using Google-Calendar and the script is throwing errors related to your iCalendar, please export your iCalendar (as an .ics file), create a new Calendar at Google Calendar and import your previous Calendar's .ics file. After importing, navigate to the section 'Integrate Calendar', copy the 'Secret address in iCal format' and paste it in the ical_urls section in the settings.py file (see instructions above). 

Try avoiding too long event names in your Calendar. If an event is too long, it'll be 'chunked off', letter by letter, from the end until it fits.

Event dates and names are displayed in chronological order below the Calendar. The small squares on the monthly Calendar indicate events on those days. For example, if you see a small square on the 14th of the current month, it means you have/had an event in your iCalendar on that day.

If you encounter errors related to your iCalendar, please feel free to report the error either by opening an issue or by sending a mail.

## Updating
If you want to update to the latest version, run the Installer from above again and select the 'update' option. 

Before updating, the Installer checks if the settings file (/home/pi/E-Paper-Calendar/Calendar/settings.py) exists. This is done to test if a previous version was installed correctly. If the settings file exists, it is copied to the home directory and renamed as 'settings.py.old'. The old software folder 'E-Paper-Calendar' is renamed to 'E-Paper-Calendar-old'. Lastly, the latest version of the software is copied to the Raspberry as 'E-Paper-Calendar'.

After updating, copy the contents from your old settings file to the new one. There are usally more options in the new settings.py file so a 'template' is prepared with each update. This template can be found in /home/pi/E-Paper-Calendar/Calendar/settings.py.sample.

## Contributing
All sorts of contributions are most welcome and appreciated. To start contributing, please follow the [Contribution Guidelines](https://github.com/aceisace/Inky-Calendar/blob/master/CONTRIBUTING.md).

The average response time for issues, PRs and emails is usually 24 hours. In rare cases, it might be longer.

### Don't forget to check out the Wiki. It contains all the information to understanding and customising the script.

**P.S:** Don't forget to star and watch the repo. For those who have done so already, thank you very much!

## Contact
* Email: aceisace63@yahoo.com (average response time < 24 hours)
* Website: aceinnolab.com (coming soon)
