Map incoming telemetry value (0-80 000) to a 0-1 range, invert, and shrink the bar width accordingly.

Update the display for a specific EV position with astronaut stats Args: firstname: Astronaut's first name la

Update EVA stats display for currently assigned astronauts

Update the orbit screen with new location.

Update the user location dot on the map.

Build LED commands split into port and starboard groups for reliability.

Build individual LED commands (like playback screen).

Build telemetry command string (without LED commands).

Build telemetry command string (without LED commands).

Check for GitHub updates and update status if needed.

Check if there are GitHub repository updates available.

Voltage → color strings ('Blue'|'Yellow'|'White') for LED_* keys.

Map DB 'position' text into a compact role label.

Approximate years, months, days using 365/30 rules (fits UI).

Elevation of a GEO satellite at sat_lon_deg from observer (lat, lon, alt).

Choose a sensible expedition label from data.

Fetch/caches patch PNG from Wikipedia. Returns local path or ''.

Find the full path to a USB telemetry folder.

Format expedition duration as months, days, hours.

Get the database path based on platform.

Get the database path based on platform

Get the database path, trying shared memory first, then fallback locations.

Get database path with cross-platform handling.

Get the database path based on platform

Determine LED color based on voltage threshold (same as playback screen).

True if any of TDRS-6/10/11/12 meets min elevation at (lat,lon,alt_km).

Initialize the Arduino widget based on connection status.

Initialize the Arduino widget based on connection status.

Initialize the Arduino widget based on connection status.

Load built-in demo data.

Load a single file. Do NOT normalize timestamps.

Load playback data from USB telemetry folder.

Map raw MT position to screen x percentage for `FloatingMT.center_x`. Uses placeholder min/max; adjust with real calibration when available.

Compute the minimum on-the-wire time for this payload at 9600, assuming 10 bits/byte (start + 8 data + stop) plus safety margin.

Compute the minimum on-the-wire time for this payload at 9600, assuming 10 bits/byte (start + 8 data + stop) plus safety margin.

Get serial ports from GUI module.

Parse EVA stats from HTML content and update display Args: html_content: HTML content from spacefacts.de firs

Read current telemetry values from the database.

Recompute LOS/AOS sparingly; keep cached for smooth countdown. ZOE suppressed if TDRS-7 or -8 is active.

Scan for USB drives and update dropdown.

Start monitoring Arduino connection status.

Start monitoring Arduino connection status.

Start the ISS animation timers.

Start the serial writer timer to continuously send telemetry data.

Start periodic telemetry updates.

Start background thread to monitor USB drives.

Stop monitoring Arduino connection status.

Stop monitoring Arduino connection status.

Stop the ISS animation timers.

Stop periodic telemetry updates.

Return current GEO longitudes for non-Z-belt TDRS, with fallbacks.

Main update loop: read DB, filter, send if changed.

Enable/disable buttons based on Arduino connection.

Update the file selection dropdown.

Update ISS altitude, velocity, and mass values from state vectors.

Place Mission Control Center dots and labels on the map.

Update station mode display based on telemetry.

Update the status bar to show current location.

Update the LOS/AOS countdown label text if present (no drawing).