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MeshCore-Solo/tools
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Jakub 82caa3e292 feat(ui): unify OLED on misc-fixed 6x9 font; add Diagnostics tab carousel 
Replace the Lemon/default font-switch with a single misc-fixed 6x9 font
(full Latin/Greek/Cyrillic coverage), generated via a new tools/bdf2gfx.py
BDF-to-GFX converter. Removes the keyboard's per-render font-switch
workarounds now that one font fits its cell cleanly.

DiagnosticsScreen becomes a circular tab carousel (Live / System / Font),
adding a firmware+device+radio info tab and a per-alphabet rendering test
card covering every keyboard language.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-15 11:16:25 +02:00
..
gpx-downloader
fix(gpx-downloader): fix broken h1 tag (Solo GPX Downloader)
2026-06-09 07:53:38 +02:00
bdf2gfx.py
feat(ui): unify OLED on misc-fixed 6x9 font; add Diagnostics tab carousel
2026-07-15 11:16:25 +02:00
README.md
Screenshot tool and a build flag for conditional screenshot functionality:
2026-05-27 22:08:28 +02:00
screenshot.py
fix(screenshot): widen header to uint16, sanity-check buffer, fix ERR path
2026-05-28 21:03:05 +02:00
trail_export.py
feat(tools): trail_export.py — capture GPX over USB serial
2026-05-31 16:23:44 +02:00

README.md

Display Screenshot Tool

⚠️ Note: The screenshot feature requires the ENABLE_SCREENSHOT build flag to be enabled. Add -D ENABLE_SCREENSHOT to your PlatformIO build flags, then recompile and flash the firmware.

The firmware supports capturing the current display contents and transmitting it over USB serial. This is useful for debugging, remote monitoring, or creating documentation.

Important: When the device is connected to the companion app, the USB serial port is not available for communication. To use the screenshot tool, ensure the device is not connected to the companion app.

Usage:

  1. Build and flash firmware with -D ENABLE_SCREENSHOT build flag enabled

Example for the OLED dual firmware:

PLATFORMIO_BUILD_FLAGS="-D ENABLE_SCREENSHOT" pio run -e WioTrackerL1_companion_dual -t upload

  1. Connect the device to your computer via USB (ensure no companion app connection)

  2. Install dependencies and run the screenshot tool. To manage python and python dependencies, use uv: https://docs.astral.sh/uv/

    cd tools
uv run tools/screenshot.py

    Options:

    • --port PORT — Serial port to use (default: auto-detect)
    • --scale SCALE — Upscale factor for the output image (1=no upscale, 2=2x, 3=3x, 4=4x, etc.; default: 1)

  3. In the tool's interactive menu, press S to capture a screenshot

  4. The tool will save the screenshot as a PNG file in tools/pngs/ with a timestamp-based filename

How it works:

  • The tool sends the CMD_GET_SCREENSHOT command (66) to the device
  • The device responds with RESP_CODE_SCREENSHOT (29) containing the framebuffer data
  • The framebuffer is transmitted in chunks (128×64 display = 1024 bytes, split across multiple frames)
  • The tool reassembles the chunks and converts them to a PNG image