cutiepi-shell
tinydrm
| cutiepi-shell | tinydrm | |
|---|---|---|
| 1 | 1 | |
| 229 | 83 | |
| -0.4% | - | |
| 2.1 | 0.0 | |
| 12 months ago | about 4 years ago | |
| QML | C | |
| GNU General Public License v3.0 only | - |
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cutiepi-shell
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CutiePi – thinnest Raspberry Pi 4 tablet
It's just a Pi running ARM64 Linux.
The default OS image that ships on the devices has their own touch UI shell which currently runs on EGLFS, which is basically an alternative to X or Wayland meant for embedded devices. So as it currently stands you can't run normal Linux apps in the default OS.
They're supposedly porting it to Wayland which will allow normal Linux applications to run within their custom shell. Their shell is a relatively straightforward Qt Quick application so it shouldn't take a huge amount of work to port. Though the most recent commit was a little over a year ago[1] so who knows when it'll actually get finished.
[1] https://github.com/cutiepi-io/cutiepi-shell/tree/wayland
tinydrm
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CutiePi – thinnest Raspberry Pi 4 tablet
A friend & I have a dream of building an E-reader based on the 10" ED097OC4 E-ink display that was built into the Kindle DX and can now be had for around 30€ (old stock?).
Most parts of the stack are conceptually figured out:
A Pine64 SOPINE module (comparable to the Raspi CM, but cheaper), a Linux DRM driver based on tinydrm (https://github.com/notro/tinydrm) or gud (https://github.com/notro/gud/), as panel driver either vroland's ESP32 based EPDiy (https://hackaday.io/project/168193-epdiy-976-e-paper-control...) or a custom FPGA solution.
What's really missing and what I just can't figure out is how to get a touch input layer on there. Because the format is so weird there's just nothing available off the shelf at a fitting size. Cutting them to size doesn't seem feasible (or is it?), perhaps the most DIYable would be an infrared solution (like early kindles have), but on that topic there's a distinct lack of DIY materials.
A button-only navigation would really suck, since even KOReader (the absolute minimum application to run, preferable would be a full Wayland desktop) doesn't seem to be compatible with that.
I figure this is the best place to ask: Does anyone have an idea how this could be solved? Also, would anyone be interested in E-reader kits like that?
What are some alternatives?
cutiepi-board - Open source hardware design for the CutiePi tablet
kindle-dash - Power efficient dashboard for Kindle 4 NT devices
Inkplate-6-hardware - Open Source Hardware (OSH) files for e-paper display Inkplate 6
The-Open-Book