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Kaj SchittecatandClaude Opus 5.5
71f1829a2e
Location: the web board has CAP_GPS 1. web/platform/WebLocation.* is its SensorManager + LocationProvider, fed by navigator.geolocation (page shell, only while the UI's GPS is on, the prompt deferred to a tap) or WADA_GPS on the host, so the GPS switch, status, map centring, distances and wada.sys.gps (with speed/course) work unchanged. The position reaches a connected node (CMD_SET_ADVERT_LATLON, displaced by the Location privacy radius) only while the node's advert-location setting is "share"; the demo moves its cast to the visitor's location. Map tiles: wadaHttpRequest serves the firmware's default tile server only: a synchronous emscripten_fetch from the tile_fetch pthread to the same-origin tiles/ path (serve.py proxies it; nginx location for the site), plain HTTP natively. WiFi reports connected while the browser is online. Fixes the static-init order of the host VFS (the UI's own tiles LittleFS copied an empty impl). Polish: Lua apps that need the board's own radio carry "radio": "own" in the catalog (baked under CAP_RADIO_TOOLS, greyed in the Store); mouse wheel and trackpad scrolling; Settings > Wi-Fi / Bluetooth explain the page bar (CAP_WIFI_SETUP / CAP_BT_SETUP); no Download mode (CAP_USB_FLASH); no receiver settings on Settings > GPS (CAP_GPS_RECEIVER). Tests: webtest checks the map centres on Playwright's Ghent location and shows tiles; nodetest checks the location privacy rule against the mock node. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
66 lines
3.4 KiB
C++
66 lines
3.4 KiB
C++
// SPDX-License-Identifier: GPL-3.0-or-later
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#pragma once
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// The web board's GPS: the location of the computer or phone the page runs on.
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//
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// The UI gets a position on every board the same way: SensorManager::getLocationProvider()
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// (a LocationProvider), switched on and off with setSettingValue("gps", "1"/"0") by
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// UITask::toggleGPS / setGpsPower, copied into sensors.node_lat/lon by
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// UITask::updateGpsLocation. This board's provider is fed by the host instead of NMEA:
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//
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// browser navigator.geolocation.watchPosition (web/shell/app.js), started only while
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// the UI has the GPS switched on, and asked for only on a tap when the page
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// has no decision from the visitor yet (never on page load)
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// native WADA_GPS="lat,lon" in the environment, or no fix at all
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//
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// Denied or unavailable is simply "no fix" (the UI's "searching"); nothing retries in a
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// loop. Where the position may go from here is WebMesh.cpp's syncAdvertPosition (the
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// same advert-location setting a device's GPS answers to; WEB_BUILD.md "Location").
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#include <helpers/SensorManager.h>
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#include <helpers/sensors/LocationProvider.h>
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#include <stdint.h>
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class WebLocationProvider : public LocationProvider {
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public:
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long getLatitude() override; // micro-degrees, as MicroNMEA reports them
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long getLongitude() override;
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long getAltitude() override; // millimetres (0 when the host gives none)
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long satellitesCount() override { return 0; } // a browser fix has no satellites to count
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bool isValid() override;
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long getTimestamp() override; // epoch seconds of the fix
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void sendSentence(const char*) override {}
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void reset() override {}
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void begin() override; // the UI switched the GPS on (or woke it from a rest)
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void stop() override; // off, or resting: the last fix is kept, as a receiver's is
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void loop() override {}
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bool isEnabled() override { return _enabled; }
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void formatDiagnostics(char* out, size_t out_size) override;
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private:
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bool _enabled = false;
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};
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class WebSensorManager : public SensorManager {
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public:
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bool begin() override { return true; }
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int getNumSettings() const override { return 1; }
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const char* getSettingName(int i) const override { return i == 0 ? "gps" : nullptr; }
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const char* getSettingValue(int i) const override;
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bool setSettingValue(const char* name, const char* value) override;
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LocationProvider* getLocationProvider() override { return &_gps; }
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bool isGPSDetected() const override { return true; }
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private:
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mutable WebLocationProvider _gps;
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};
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// ---- the host side ----------------------------------------------------------------------
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// A position from the host (main thread). NaN = not reported (altitude, speed, heading).
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void wadaHostLocationFix(double lat, double lon, double accuracy_m, double alt_m,
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double speed_mps, double heading_deg, double epoch_s);
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// The host will not give one: 1 = the visitor or the browser refused, 2 = unavailable.
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void wadaHostLocationLost(int reason);
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// The last fix this computer reported in this session (the demo builds its neighbourhood
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// around it). Local only: nothing here sends it anywhere.
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bool wadaHostLocation(double& lat, double& lon);
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// Speed (km/h) and course (degrees, NaN when standing) of the last fix, as the M9's
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// target.h declares it for HAS_GPS_MOTION; false = the host gave no speed.
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bool wadaGpsMotion(float* speed_kmh, float* course_deg);
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