InkWatchy

A new innovative firmware written from the ground up for the watchy, by the second developer of Quill OS

_{This 3> minute demo was heavily compressed, so it looks like it looks. The speed is also messed up because of missing frames}

User features

Apart from code things, here are the key features for now:

• Easy to install demo (no compiling!)
• Full weather info via open weather api in charts, 5 day forecast
• A book reader
  • with pages changable by moving your hand
  • Support for many books
• Working, uncomplete watchface
  • Watchface modules (Apps which are shown on the watchface directly). COnfigured to be shown on the bottom of the watchface. They can be configured as "dissmissable" so

    • Bitcoin module, which shows some data, here is an example:

      

      • Now it also has a "Big" mode to be truly a "bitclock"

    • A simple net module which just shows wifi status and SSID. It's more of an example imlementation than a serious module (for now)

    • A conway game of life module - which updates every minute

• Debug menus to check on things on the fly
• Battery life features:
  • Configurable wake up every x minutes at night
  • A menu to manually, or after certain battery percantage drop enable these features:
    • Disable wake up - The watch will sleep until you press a button
    • Disable all vibrations (For button clicks) - Spikes caused by the motor are heavy for the battery
• A "vault" which allows to save encrypted images to the watchy and view them if provided the correct PIN. All generated dynamically via a script. Uses AES128 cbc/ecb. Example use is a backup phone book, bitcoin key backup in the form of a QR code
• Reset cause shower. If your battery will be the cause of a reset, you will be informed about it on boot.
• I integrated https://github.com/risinek/esp32-wifi-penetration-tool to this firmware as a service. I won't provide support for it or give any advice how to use it. Use for your own responsibility, don't do illegall stuff. Seriously.
• https://github.com/ckcr4lyf/EvilAppleJuice-ESP32 too. the same story as above.

Code features

It doesn't use the watchy sub-class but it uses the same libraries. With that in mind, those are further diffrences from other firmwares: _{Every small text is a reason why I was mad enough to rewrite everything myself...}

• It's splitted into files and folders _{In my opinion a file that has 5k lines is heresy}
• It's function - not object based for the reason above and to make it easier for beginners to use
• It uses free rtos tasks where needed
• All resources like images, fonts, books are converted into variables dynamically via scripts. Editing images, changing font spacing is just one click. _{I can't believe I was the first to make this that way}
• The Ui is dynamically written. There are functions to do it eassly. Adding a new menu is just a few lines for example_{It's not just a collection of drawBitmap}
• It has a "manager" and design for various apps to run eassly
• Has logs via serial. They can be disabled that they don't get compiled with changing one define - and the code doesn't look bad because it's a macro. Amazing _{Yea, this is a feature compared to other ones I have looked at}
• Uses libraries instead of pure calls to NTP or open weather
• Many configurable values via defines in config.h
• Many debugging tools in config.h
• Most UI is rendered only when needed / values it's showing changed. Good for battery life
• _{Proper variable naming and camelCase everywhere}
• LittleFS is used instead of NVS. Which means better code, logs in file system. Resources not uploaded on every program change. Awesome
• Various tasks which speed up the debugging / development process (resources/tools/other/tasks)

Compiling, Some instructions, Further informations

Head out to the wiki

Donations

This was the first thing I have written and asked myself if I should release it for free. Well here we are ;)

This is a passion project at this point. To help an open source developer - who is still a student and motivate him to create this software feel free to donate

Here is my libera pay. Direct paypall is also a option.

Oh and as it seems bitcoin is also preferred, just contact me and ask me for an address because creating a new address for every transaction is more secure, right?

For a small coffe donation I can manage your firmware and provide you personalised binaries, if you can't compile it yourself, even add some features for you

Sister projects

• https://github.com/Szybet/E-Watch-FOSS
• https://github.com/Szybet/watchy-scom

Questions / Contact

Create a github issue or get in touch with me on Watchy or Quill OS discord server ( Or other discord communication channels )

or via matrix: @szybet:matrix.org

Outdated demo of version 0.1

Some credits

• GuruSR - I used some of his awesome libraries and looked at the code for how the watchy hardware should be handled. Also answered a few questions on discord. Thanks!
• Prokuon - I really liked the design of this watchface and almost coppied it. Thanks! - well the code is completly diffrent