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M2 step 3: GNSS Service, with standby and the clock from a Fix

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The GNSS Service reads the receiver (UART 15/13, 115200, 1 KB buffer)
from its 50 ms tick and feeds the NMEA parser. With a Fix it sets the
clock (GNSS is the most trusted TimeSource) and refreshes it every 10
min. Settings gets GNSS On/Off and the coordinate format (Q64).

Off puts the receiver in standby with $PCAS12,65535, renewed hourly; On
wakes it with a hot start, $PCAS10,0. Both measured on the device: the
output stops within a second, and a command wakes it within a second.

Commands: gnss status (Fix, satellites per constellation, bytes and
sentences), gnss nmea on|off, gnss send <sentence>, gnss restart. The
probe is gone; never drive GPIO 15 (the receiver's output): the first
probe's swapped-pin attempt silenced it until a power cycle.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
This commit is contained in:
twisla
2026-10-04 22:26:53 +02:00
co-authored by Claude Opus 5.5
parent c9b1ecb772
commit 988253ef02
13 changed files with 257 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/apps_model/src/settings_menu.cpp
+5
View File
@@ -20,6 +20,7 @@ const RowDef kRows[] = {
{Row::Region, Kind::Choice, "Region"}, {Row::Timezone, Kind::Choice, "Timezone"},
{Row::Brightness, Kind::Slider, "Brightness"}, {Row::DimTimeout, Kind::Choice, "Dim after"},
{Row::OffTimeout, Kind::Choice, "Screen off after"}, {Row::Sound, Kind::Toggle, "Sound & LED"},
{Row::Gnss, Kind::Toggle, "GNSS"}, {Row::Coordinates, Kind::Toggle, "Coordinates"},
{Row::ProbeMacs, Kind::Toggle, "Probe MACs"}, {Row::Wifi, Kind::Page, "Wi-Fi"},
{Row::Storage, Kind::Page, "Storage"},
{Row::Firmware, Kind::Page, "Firmware"},
@@ -79,6 +80,8 @@ std::string SettingsMenu::value(int i) const {
case Row::DimTimeout: return formatSeconds(settings_.getInt(Setting::DimTimeoutS));
case Row::OffTimeout: return formatSeconds(settings_.getInt(Setting::OffTimeoutS));
case Row::Sound: return settings_.getBool(Setting::Sound) ? "On" : "Off";
case Row::Gnss: return settings_.getBool(Setting::GnssEnabled) ? "On" : "Off";
case Row::Coordinates: return settings_.getBool(Setting::CoordinatesDms) ? "Deg min sec" : "Decimal";
case Row::ProbeMacs: return settings_.getBool(Setting::ProbeMacRaw) ? "Raw" : "Pseudonymised";
case Row::Wifi: return settings_.getBool(Setting::WifiEnabled) ? "On" : "Off";
default: return "";
@@ -122,6 +125,8 @@ std::string SettingsMenu::choose(int i, int c) {
void SettingsMenu::toggle(int i) {
if (row(i) == Row::Sound) settings_.setBool(Setting::Sound, !settings_.getBool(Setting::Sound));
if (row(i) == Row::Gnss) settings_.setBool(Setting::GnssEnabled, !settings_.getBool(Setting::GnssEnabled));
if (row(i) == Row::Coordinates) settings_.setBool(Setting::CoordinatesDms, !settings_.getBool(Setting::CoordinatesDms));
if (row(i) == Row::ProbeMacs) settings_.setBool(Setting::ProbeMacRaw, !settings_.getBool(Setting::ProbeMacRaw));
}
lib/apps_model/src/settings_menu.h
+1 -1
View File
@@ -11,7 +11,7 @@ namespace roro {
// values, choice lists and validation messages. Rendering and navigation live in the App.
class SettingsMenu {
public:
enum class Row { LongName, ShortName, Region, Timezone, Brightness, DimTimeout, OffTimeout, Sound, ProbeMacs, Wifi, Storage, Firmware, About };
enum class Row { LongName, ShortName, Region, Timezone, Brightness, DimTimeout, OffTimeout, Sound, Gnss, Coordinates, ProbeMacs, Wifi, Storage, Firmware, About };
enum class Kind { Text, Choice, Toggle, Slider, Page };
explicit SettingsMenu(Settings& settings) : settings_(settings) {}