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A "bookmarklet" to add functionality to web-serial and websocket based web pages, to allow exchanging Adafruit BlueFruit Connect packets with circuitpython devices. With example code.py for BLE/WiFi/USB tank rover

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tyeth/serialfruit-connect-bookmarklet

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Web Serial Bookmarklet

This project is a web-based tool that allows you to send various types of data packets over a serial connection using the Web Serial API. It can be used with a variety of devices that support serial communication, including Bluefruit devices and others.

TODO:

Currently supports the http://DEVICE_IP/code/ or http://circuitpython.local/code/ based websites for accessing circuitpython devices over web-workflow. Eventually will support all 3 transports (USB/BLE/WebWorkflow)

-- Most of it, but tested ColorPackets and ButtonPackets

Features

  • Color Picker: Send color data.
  • Control Pad: Send control commands.
  • Accelerometer: Send accelerometer data from the device's sensors.
  • Terminal: Send AT commands.
  • DFU: Send Device Firmware Update packets.
  • Security: Send security-related data.
  • Read/Write: Send read and write data.
  • Notify: Send notification data.
  • Scan: Send scan data.
  • IO Pin: Send IO Pin data.
  • Neopixel: Send Neopixel data.
  • String: Send string data.
  • Raw Data: Send raw bytes and strings.
  • Location: Send location data using manual input or the device's GPS.

Getting Started

Prerequisites

  • A device (running circuitpython?) that supports serial communication.
  • Using web workflow requires any compatible browser
  • Using USB-Serial or BLE requires a web browser that supports the Web Serial or BLE API

If you have problems then try a Chromium based web browser (e.g., Chrome, Edge).

Usage

See ./examples folder for a Crickit based project that previously required bluetooth

Next is a link to the bookmarklet code which you can right click HERE and choose add to favourites/bookmark,

Or the bookmarklet code to copy and paste into address bar:

javascript:(function() {
    var script = document.createElement('script');
    script.src = 'https://cdn.jsdelivr.net/gh/tyeth/serialfruit-connect@v0.0.109/src/bookmarklet.js';
    document.body.appendChild(script);
})();

(You may need to add the javascript: prefix back into the address bar after pasting the code from above, as browsers remove it as part of keeping you safe - bookmarks are not affected by this protection)

** You may wish to use the tag @main instead of @v0.0.0.1 etc as that will always be the Latest code, but may therefore break! **

Available User Interface (UI) screens

  1. Color Picker:

    • Select a color using the color input.
    • Click "Send Color" to send the selected color data.
  2. Control Pad:

    • Click on the directional buttons (Up, Down, Left, Right) to send control commands.
  3. Accelerometer:

    • Click "Start/Stop Sending Data" to toggle sending accelerometer data.
  4. Terminal:

    • Enter an AT command in the input box.
    • Click "Send Command" to send the command.
  5. DFU:

    • Click "Choose File" to select a DFU file.
    • Click "Send DFU Packet" to send the DFU data.
  6. Security:

    • Enter security data in the input box.
    • Click "Send Security Packet" to send the data.
  7. Read/Write:

    • Enter data to read or write in the respective input boxes.
    • Click "Read" or "Write" to send the respective packets.
  8. Notify:

    • Enter notification data in the input box.
    • Click "Send Notify Packet" to send the data.
  9. Scan:

    • Click "Send Scan Packet" to send a scan packet.
  10. IO Pin:

    • Enter IO Pin data in the input box.
    • Click "Send IO Pin Packet" to send the data.
  11. Neopixel:

    • Enter Neopixel data in the input box.
    • Click "Send Neopixel Packet" to send the data.
  12. String:

    • Enter a string in the input box.
    • Click "Send String Packet" to send the string data.
  13. Raw Data:

    • Enter raw bytes (comma-separated) or a raw string in the respective input boxes.
    • Click "Send Raw Bytes" or "Send Raw String" to send the data.
  14. Location:

    • Enter latitude and longitude manually, or click "Use Current Location" to get the device's current location.
    • Click "Send Location" to send the location data.

Screenshots

Main Menu Color Picker Control Pad Accelerometer Terminal DFU Security Read/Write Notify Scan IO Pin Neopixel String Raw Data Location

Contributing

  1. Fork the repository.
  2. Create your feature branch (git checkout -b feature/YourFeature).
  3. Commit your changes (git commit -m 'Add some feature').
  4. Push to the branch (git push origin feature/YourFeature).
  5. Open a pull request.

Local running:

  1. install mkcert and set system to trust (with --install), a cert will be generated later:
mkcert --install
  1. install dependencies for updating tags/refs and watchdog server: pip install bs4 semver watchdog
  2. use python watching-server.py or the vscode launch tasks to run python server task and it will copy all /src files and mangle them to localhost
  3. use the bookmarklet code printed in the console at server startup instead, which will be similar to:
javascript:(function(){var script=document.createElement('script');script.src='https://192.168.43.244:4443/localhost-src/bookmarklet.js';document.body.appendChild(script);})();

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

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A "bookmarklet" to add functionality to web-serial and websocket based web pages, to allow exchanging Adafruit BlueFruit Connect packets with circuitpython devices. With example code.py for BLE/WiFi/USB tank rover

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