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‎.github/_stale.yml‎

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# Number of days of inactivity before an issue becomes stale
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daysUntilStale: 21
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# Number of days of inactivity before a stale issue is closed
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daysUntilClose: 7
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# Issues with these labels will never be considered stale
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exemptLabels:
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- architecture
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- pinned
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# Label to use when marking an issue as stale
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staleLabel: stale
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# Comment to post when marking an issue as stale. Set to `false` to disable
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markComment: >
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This issue or pull request has been automatically marked as stale because it has not had
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recent activity. It will be closed if no further activity occurs. Thank you
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for your contributions.
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# Comment to post when closing a stale issue. Set to `false` to disable
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closeComment: false

‎.github/auto-comment.yml‎

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# Comment to a new issue.
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pullRequestOpened: |
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Thank you for raising your pull request.
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To ensure that all licensing criteria is met all repositories of the LVGL project apply a process called DCO (Developer's Certificate of Origin).
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The text of DCO can be read here: https://developercertificate.org/
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For a more detailed description see the [Documentation](https://docs.lvgl.io/latest/en/html/contributing/index.html#developer-certification-of-origin-dco) site.
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By contributing to any repositories of the LVGL project you state that your contribution corresponds with the DCO.
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No further action is required if your contribution fulfills the DCO. If you are not sure about it feel free to ask us in a comment.

‎.github/workflows/ci.yml‎

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name: CI
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on:
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push:
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pull_request:
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workflow_dispatch:
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schedule:
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- cron: '0 0 * * 3'
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jobs:
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Linux:
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runs-on: ubuntu-latest
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steps:
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- name: Install Linux dependencies
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run: |
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sudo apt-get update
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sudo apt-get install libsdl2-dev
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- uses: actions/checkout@v2
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- uses: actions/setup-python@v1
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- name: Install PlatformIO
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run: |
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python -m pip install --upgrade pip
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pip install -U platformio
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platformio update
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- name: Build bare metal (stm32f429_disco)
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run: platformio run -e stm32f429_disco
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- name: Build emulator (sdl2, 64bits)
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run: platformio run -e emulator_64bits
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#Linux_i386:
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# runs-on: ubuntu-latest
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# steps:
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# - name: Install Linux dependencies
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# run: |
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# sudo dpkg --add-architecture i386
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# sudo apt-get update
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# sudo apt-get install libsdl2-dev:i386 gcc-multilib g++-multilib
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#
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# - uses: actions/checkout@v2
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# - uses: actions/setup-python@v1
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#
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# - name: Install PlatformIO
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# run: |
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# python -m pip install --upgrade pip
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# pip install -U platformio
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# platformio update
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#
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# - name: Build emulator (sdl2, 32bits)
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# run: platformio run -e emulator_32bits
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macOS:
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runs-on: macos-latest
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steps:
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- name: Install macOS dependencies
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run: |
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HOMEBREW_NO_AUTO_UPDATE=1 brew install sdl2
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- uses: actions/checkout@v2
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- uses: actions/setup-python@v5
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- name: Install PlatformIO
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run: |
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python -m pip install --upgrade pip
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pip install -U platformio
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platformio update
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- name: Build bare metal (stm32f429_disco)
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run: platformio run -e stm32f429_disco
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- name: Build emulator (sdl2, 64bits)
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run: platformio run -e emulator_64bits
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Windows:
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runs-on: windows-2019
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steps:
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- name: Activate msys2 & mingw64
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run: |
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echo "C:\msys64\usr\bin" >> $env:GITHUB_PATH
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echo "C:\msys64\mingw64\bin" >> $env:GITHUB_PATH
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- name: Install deps
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run: |
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pacman --noconfirm -S --needed mingw-w64-x86_64-SDL2
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gcc --version
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- uses: actions/checkout@v2
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#- uses: actions/setup-python@v1
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- name: Install PlatformIO
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run: |
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python -m pip install --upgrade pip
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pip install -U platformio
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platformio update
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- name: Build bare metal (stm32f429_disco)
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run: platformio run -e stm32f429_disco
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- name: Build emulator (sdl2, 64bits)
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run: platformio run -e emulator_64bits

‎.gitignore‎

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.pio
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.pioenvs
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.piolibdeps
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.clang_complete
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.gcc-flags.json
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.vscode/.browse.c_cpp.db*
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.vscode/c_cpp_properties.json
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.vscode/launch.json
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.vscode/settings.json
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.vscode/ipch

‎.vscode/extensions.json‎

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{
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// See http://go.microsoft.com/fwlink/?LinkId=827846
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// for the documentation about the extensions.json format
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"recommendations": [
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"platformio.platformio-ide"
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],
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"unwantedRecommendations": [
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"ms-vscode.cpptools-extension-pack"
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]
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}

‎README.md‎

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# ESP32-S3 LVGL Yet Another Stock Price Tracker
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A demo project for ESP32-S3 using [LVGL](https://lvgl.io/) to display real-time stock prices with WiFi configuration and persistent storage.
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Most other ESP32 stock price tracker projects require registering for an API account to fetch stock prices.
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For me, I wanted a simple implementation. So I found a usable API from Yahoo, which may be blocked in the future, but works for now...
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## Project Core Values
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- For learning purposes.
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- The implementation is kept simple and straightforward.
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- No fancy stuff, just make it work.
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## How You Can Help
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Around 80% of the code is generated by AI. The most time-consuming task was finding a proper and simple API to get the stock price.
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If you need a simple and straightforward API, please check `get_stock_price_all_yahoo()` in `appController.cpp`.
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## Screenshots & Demo
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<a href="https://ibb.co/TSN560p"><img src="https://i.ibb.co/TSN560p/ap-Setting.jpg" alt="AP Setting" border="0"></a>
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<a href="https://ibb.co/VWYbDJCz"><img src="https://i.ibb.co/VWYbDJCz/device-Info.jpg" alt="Device Info" border="0"></a>
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<a href="https://ibb.co/Kzx6xyb1"><img src="https://i.ibb.co/Kzx6xyb1/homepage2.jpg" alt="Homepage" border="0"></a> <a href="https://ibb.co/d0dG4prG">
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<img src="https://i.ibb.co/1fD8GXL8/request.gif" alt="Request Demo" border="0"></a>
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## Features
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- ESP32-S3 + LVGL GUI v9.1
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- WiFi configuration (SSID/Password)
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- Stock price fetching from Yahoo Finance
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- Persistent storage (NVS)
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- Software reset and storage reset
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- Responsive UI with FreeRTOS tasks
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## Getting Started
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### Prerequisites
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- VS Code with [PlatformIO](https://platformio.org/) extension
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- ESP32-S3 board + 2.8" TFT LCD
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- The hardware was purchased from Taobao. Hardware info: [ESP32-LVGL开发板](http://wiki.waaax.cn/boards/ESP32/ESP32-LVGL%E5%BC%80%E5%8F%91%E6%9D%BF.html)
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> **Note:** It is not recommended to buy this dev board. It has some hardware issues and may reset automatically, especially when connected to a PC.
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- Using ESP32-S3-N8R8
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- LCD Driver: ST7989, 320 x 240 pixels
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- Touch Driver: XPT2046
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### Building & Flashing
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1. Clone this repository:
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```sh
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git clone <your-repo-url>
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```
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2. Open the project in PlatformIO.
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3. Build and upload to your ESP32-S3 board.
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### Usage
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- On first boot, configure WiFi via the GUI.
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- Press "Update" to fetch stock prices.
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- Use the AP Settings tab to change WiFi credentials.
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- Use the Reset button to clear storage and reboot.
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## File Structure
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```
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lib/
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appController/ # Main application logic
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stockPrice/ # GUI and stock price logic
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storage/ # Persistent storage (NVS)
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src/
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main.cpp # Entry point
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```
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## Customization
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- Edit `s_Symbols` in `stock_price_gui.cpp` to change the tracked stocks.
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## Future Plans
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- Multi-language support (English/Chinese)
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- Add color themes
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- Update the Arduino framework (currently using IDF v4.4)
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- Create a database and save to SD card; display charts on screen
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- Many areas can be further optimized...
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## License
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MIT License
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‎boards/esp32-s3-devkitc1-n8r8.json‎

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{
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"build": {
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"arduino": {
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"partitions": "default_8MB.csv",
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"memory_type": "qio_opi"
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},
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"core": "esp32",
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"extra_flags": [
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"-DARDUINO_ESP32S3_DEV",
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"-DARDUINO_RUNNING_CORE=1",
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"-DARDUINO_EVENT_RUNNING_CORE=1",
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"-DBOARD_HAS_PSRAM"
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],
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"f_cpu": "240000000L",
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"f_flash": "80000000L",
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"flash_mode": "qio",
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"psram_type": "opi",
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"hwids": [
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[
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"0x303A",
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"0x1001"
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]
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],
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"mcu": "esp32s3",
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"variant": "esp32s3"
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},
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"connectivity": [
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"wifi",
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"bluetooth"
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],
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"debug": {
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"default_tool": "esp-builtin",
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"onboard_tools": [
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"esp-builtin"
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],
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"openocd_target": "esp32s3.cfg"
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},
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"frameworks": [
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"arduino",
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"espidf"
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],
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"platforms": [
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"espressif32"
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],
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"name": "Espressif ESP32-S3-DevKitC-1-N8R8 (8 MB Flash Quad, 8 MB PSRAM Octal)",
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"upload": {
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"flash_size": "8MB",
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"maximum_ram_size": 327680,
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"maximum_size": 8388608,
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"require_upload_port": true,
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"speed": 921600
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},
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"url": "https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/hw-reference/esp32s3/user-guide-devkitc-1.html",
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"vendor": "Espressif"
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}

‎lib/README‎

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This directory is intended for project specific (private) libraries.
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PlatformIO will compile them to static libraries and link into executable file.
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The source code of each library should be placed in a an own separate directory
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("lib/your_library_name/[here are source files]").
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For example, see a structure of the following two libraries `Foo` and `Bar`:
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|--lib
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| |
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| |--Bar
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| | |--docs
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| | |--examples
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| | |--src
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| | |- Bar.c
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| | |- Bar.h
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| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
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| |
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| |--Foo
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| | |- Foo.c
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| | |- Foo.h
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| |
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| |- README --> THIS FILE
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|
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|- platformio.ini
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|--src
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|- main.c
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and a contents of `src/main.c`:
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```
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#include <Foo.h>
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#include <Bar.h>
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int main (void)
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{
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...
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}
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```
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PlatformIO Library Dependency Finder will find automatically dependent
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libraries scanning project source files.
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More information about PlatformIO Library Dependency Finder
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- https://docs.platformio.org/page/librarymanager/ldf.html

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