A built-in USB Files app (T-Deck and Heltec V4 for now) lets the page at files.wadamesh.com browse, upload, download, rename and delete files on the SD card, internal storage and the map tiles over Web Serial. File level, not USB mass storage: the device keeps its filesystems mounted, the radio keeps running, and the firmware enforces what may change. Live data (identity, contacts, settings, history; /meshcomod on the card) is download-only. - UsbFilesProtocol.h: framed messages (E7 5A, CRC32), a resyncing parser, path checks and the access policy; host tests in test/. - UsbFilesSession: one request at a time (both Arduino USB serial drivers drop bytes when their RX queue is full), RX queue sized per session, SD data through a DMA-capable bounce buffer, FatFs listings with sizes, a beacon so the page never talks first, SD Scan's malware verdict per file. - The companion link and MyMesh's console step off USB while it runs. - Website: labelled side buttons, a USB Files button and card; the files.wadamesh.com page, vhost and deploy script. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
wadamesh.com infrastructure
Distribution stack for wadamesh: a VPS nginx origin behind Cloudflare.
tiles.wadamesh.com →CF (HTTP, edge-cached) → nginx → OpenStreetMap / OpenTopoMap
firmware.wadamesh.com →CF (cache bins) → nginx → /srv/wadamesh/firmware
flasher.wadamesh.com →CF (HTTPS) → 301 → wadamesh.com
wadamesh.com →CF (HTTPS) → nginx → /srv/wadamesh/site
Map tile styles. The default /{z}/{x}/{y}.jpg route serves OpenStreetMap
(the firmware default). An opt-in OpenTopoMap topographic style is served from
/opentopo/{z}/{x}/{y}.jpg (explicit OSM alias at /osm/...); the device requests
it only when the user enables Map → Options → Topographic map. Legal: OpenTopoMap
map tiles are © OpenTopoMap (CC-BY-SA) over © OpenStreetMap contributors
(ODbL) + SRTM — the touch UI shows that attribution when topo is active, and the
14-day disk cache keeps each tile hitting OpenTopoMap at most once per fortnight
(their tile-usage policy asks for a contactable UA + caching, both of which the
transcode service provides). Deploying the topo routes = update
tiles.wadamesh.com.conf + tile-transcode.py, then
systemctl restart wadamesh-tile-transcode && nginx -t && systemctl reload nginx
and purge the Cloudflare cache for tiles.wadamesh.com/opentopo/*.
The firmware fetches tiles + the update-check over plain HTTP (on-device HTTPS isn't viable — mbedTLS needs ~30 KB heap, only ~5 KB is free post-Wi-Fi), so the tile + firmware hosts must stay reachable over HTTP. Cloudflare provides the edge cache, HTTPS for the flasher, and hides the origin IP (so no IP lives in this repo or the firmware).
1. VPS (origin)
sudo apt install nginx
sudo mkdir -p /srv/wadamesh/firmware/releases/TOUCH /var/cache/nginx/wadamesh-tiles
sudo cp deploy/nginx/tiles.wadamesh.com.conf /etc/nginx/sites-available/
sudo cp deploy/nginx/firmware.wadamesh.com.conf /etc/nginx/sites-available/
sudo ln -s /etc/nginx/sites-available/tiles.wadamesh.com.conf /etc/nginx/sites-enabled/
sudo ln -s /etc/nginx/sites-available/firmware.wadamesh.com.conf /etc/nginx/sites-enabled/
sudo nginx -t && sudo systemctl reload nginx
2. Cloudflare
- DNS:
A/AAAArecords fortiles,firmware,flasher,@→ the VPS IP, all Proxied (orange cloud). - SSL/TLS: mode Flexible (CF↔origin HTTP) is enough since the origin is
HTTP-only. Do NOT enable "Always Use HTTPS" on
tiles.orfirmware.— the firmware needs plain HTTP there. - Cache Rules:
tiles.wadamesh.com/*→ Eligible for cache, Edge TTL ~14d.firmware.wadamesh.com/releases/*/*.bin→ cache, Edge TTL ~1d.firmware.wadamesh.com/releases/TOUCH(the listing) → short TTL (~60s) or Bypass, so new releases appear promptly.
3. Publishing a release
From a wadamesh checkout (builds both boards, refreshes the listing, rsyncs up):
WADAMESH_VPS=user@your-vps scripts/release.sh beta_2
The on-device check GETs http://firmware.wadamesh.com/releases/TOUCH, finds the
highest beta_<N>, and (once OTA-over-Wi-Fi is re-enabled) pulls
…/releases/TOUCH/beta_<N>/<board>.bin.
Done
- Web flasher ✅ — the guided install page at
wadamesh.com, served fromdeploy/site/and published byscripts/deploy-site.sh(esp-web-tools / Web Serial, per-board install buttons + .bin downloads, manifests generated per release byscripts/build/gen-flasher-meta.pyinto the/latest/and/latest-beta/feeds thatrelease.shrefreshes each publish). flasher.wadamesh.com301-redirects to the apex (seedeploy/nginx/flasher.wadamesh.com.conf) — it is an alias, not its own page.deploy/flasher/is the original standalone flasher page. No deploy script publishes it —deploy-site.shshipsdeploy/site/only — so it is effectively an offline/local copy kept in parity by hand. Retire it or wire it into a deploy target; until then, treatdeploy/site/index.htmlas the only install page users can reach.
TODO before public launch
- Re-enable OTA-over-Wi-Fi in the firmware (currently it version-checks then defers to manual flashing).
- Flip
wadameshrepo public = launch. - Decide tile-proxy sharing: dedicated
tiles.wadamesh.com(this config) vs reusing the meshcomod proxy.
Never commit the VPS IP, SSH keys, or
WADAMESH_VPS. Cloudflare fronts the origin; the deploy target is supplied via the environment at publish time.