77 lines
4.5 KiB
Markdown
77 lines
4.5 KiB
Markdown
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# PineTime
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> The PineTime is a free and open source smartwatch capable of running custom-built open operating systems. Some of the notable features include a heart rate monitor, a week-long battery as well as a capacitive touch IPS display that is legible in direct sunlight. It is a fully community driven side-project, which means that it will ultimately be up to the developers and end-users to determine when they deem the PineTime ready to ship.
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> We envision the PineTime as a companion for not only your PinePhone but also for your favorite devices — any phone, tablet, or even PC.
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*https://www.pine64.org/pinetime/*
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The **Pinetime** smartwatch is based built around the NRF52832 MCU (512KB Flash, 64KB Ram), a 240*240 LCD display driven by the ST7789 controller, an accelerometer, a heartrate sensor and a vibrator.
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The goal of this project is to design an open-source firmware for the Pinetime smartwatch :
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- Code written in **modern C++**;
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- Build system based on **CMake**;
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- Based on **[FreeRTOS](https://freertos.org)** real-time OS.
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- Using **[LittleVGL/LVGL](https://lvgl.io/)** as UI library...
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- ... and **[NimBLE](https://github.com/apache/mynewt-nimble)** as BLE stack.
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##Overview
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As of now, here is the list of achievements of this project:
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- Fast and optimized LCD driver
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- BLE communication
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- Rich user interface via display, touchpanel and push button
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- Time synchronisation via BLE
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- Notification via BLE
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- Multiples 'apps' :
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* Clock (displays the date, time, battery level, ble connection status, heart rate and step count)
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* Heart rate
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* Motion
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* System info (displays various info : BLE MAC, build date/time, uptime, version,...)
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* Brightess (allows the user to configure the brightness of the display)
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- Supported by 2 companion apps (developpments ongoing):
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* [Gadgetbridge](https://codeberg.org/Freeyourgadget/Gadgetbridge/src/branch/pinetime-jf) (on Android)
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* [Amazfish](https://openrepos.net/content/piggz/amazfish) (on SailfishOS)
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- **[Experimental]** OTA (Over-the-air) update via BLE
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- **[Experimental]** Bootloader based on [MCUBoot](https://juullabs-oss.github.io/mcuboot/)
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## Documentation
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- Build & program
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- Bootloader, OTA and DFU
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- Stub using NRF52-DK
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- BLE implementation and API
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- Memory analysis
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## TODO - contribute
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This project is far from beeing finished, and there are still a lot of things to do for this project to become a firmware usable by the general public.
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Here a quick list out of my head of things to do for this project:
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- Improve BLE communication stability and reliability
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- Improve OTA and MCUBoot bootloader
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- Add more functionalities : Alarm, chrono, configuration, activities, heart rate logging, games,...
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- Add more BLE functionalities : call notifications, agenda, configuration, data logging,...
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- Measure power consumption and improve battery life
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- Improve documentation, take better pictures and video than mine
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- Improve the UI
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- Create companion app for multiple OSes (Linux, Android, IoS) and platforms (desktop, ARM, mobile). Do not forget the other devices from Pine64 like [the Pinephone](https://www.pine64.org/pinephone/) and the [Pinebook Pro](https://www.pine64.org/pinebook-pro/).
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- Design a simple CI (preferably selfhosted and easy to reproduce).
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Do not hesitate to clone/fork the code, hack it and create pull-requests. I'll do my best to review and merge them :)
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## Credits
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I’m not working alone on this project. First, many people create PR for this projects. Then, there is the whole #pinetime community : a lot of people all around the world who are hacking, searching, experimenting and programming the Pinetime. We exchange our ideas, experiments and code in the chat rooms and forums.
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Here are some people I would like to highlight:
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- Atc1441 : He works on an Arduino based firmware for the Pinetime and many other smartwatches based on similar hardware. He was of great help when I was implementing support for the BMA421 motion sensor and I²C driver.
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- Koen : He’s working on a firmware based on RiotOS. He integrated similar libs than me : NimBLE, LittleVGL,… His help was invaluable too!
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- Lup Yuen Lee : He is everywhere : he works on a Rust firmware, buils a MCUBoot based bootloader for the Pinetime, design a Flutter based companion app for smartphones and write a lot of articles about the Pinetime!
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*If you feel like you should appear on this list, just get in touch with me or submit a PR :)**
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