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feat(mcp): restore MCP service with display charging toggle

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- Restore MCP system (McpSystem 1900+ LOC, McpHandler, McpScreensaver, McpSettings, McpOverride apps)
- Use audio-stream instead of direct I2S for MP3 playback (fixes fast playback, uses native resampler)
- Register McpSettings + McpOverride in Tactility.cpp so Settings shows MCP Screen
- DisplaySettings: add ScreensaverType::McpScreen and disableScreensaverWhenCharging flag
- Display app: add 'Disable on charging' toggle, handles McpScreen screensaver type
- DisplayIdle: skip screensaver while charging, support McpScreen screensaver, isDeviceCharging check via PowerDevice
- WebServer: coexistence with MCP (McpHandler)
- Avoid formatting churn from previous commits

Squashed from range eaa248b0..8970143f (6 commits) into single clean commit
This commit is contained in:
Adolfo Reyna
2026-07-21 11:47:38 -04:00
parent 29e80cfd65
commit ad4a15dce8
18 changed files with 5646 additions and 17 deletions
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Tactility/Source/settings/DisplaySettings.cpp
+16 -1
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@@ -22,6 +22,7 @@ constexpr auto* SETTINGS_KEY_BACKLIGHT_DUTY = "backlightDuty";
constexpr auto* SETTINGS_KEY_TIMEOUT_ENABLED = "backlightTimeoutEnabled";
constexpr auto* SETTINGS_KEY_TIMEOUT_MS = "backlightTimeoutMs";
constexpr auto* SETTINGS_KEY_SCREENSAVER_TYPE = "screensaverType";
constexpr auto* SETTINGS_KEY_DISABLE_WHEN_CHARGING = "disableScreensaverWhenCharging";
static Orientation getDefaultOrientation() {
auto* display = lv_display_get_default();
@@ -83,6 +84,8 @@ static std::string toString(ScreensaverType type) {
return "MatrixRain";
case StackChan:
return "StackChan";
case McpScreen:
return "McpScreen";
default:
std::unreachable();
}
@@ -104,6 +107,9 @@ static bool fromString(const std::string& str, ScreensaverType& type) {
} else if (str == "StackChan") {
type = ScreensaverType::StackChan;
return true;
} else if (str == "McpScreen") {
type = ScreensaverType::McpScreen;
return true;
} else {
return false;
}
@@ -159,12 +165,19 @@ bool load(DisplaySettings& settings) {
fromString(screensaver_entry->second, screensaver_type);
}
bool disable_when_charging = false;
auto charging_entry = map.find(SETTINGS_KEY_DISABLE_WHEN_CHARGING);
if (charging_entry != map.end()) {
disable_when_charging = (charging_entry->second == "1" || charging_entry->second == "true" || charging_entry->second == "True");
}
settings.orientation = orientation;
settings.gammaCurve = gamma_curve;
settings.backlightDuty = backlight_duty;
settings.backlightTimeoutEnabled = timeout_enabled;
settings.backlightTimeoutMs = timeout_ms;
settings.screensaverType = screensaver_type;
settings.disableScreensaverWhenCharging = disable_when_charging;
return true;
}
@@ -176,7 +189,8 @@ DisplaySettings getDefault() {
.backlightDuty = 200,
.backlightTimeoutEnabled = false,
.backlightTimeoutMs = 60000,
.screensaverType = ScreensaverType::BouncingBalls
.screensaverType = ScreensaverType::BouncingBalls,
.disableScreensaverWhenCharging = false
};
}
@@ -196,6 +210,7 @@ bool save(const DisplaySettings& settings) {
map[SETTINGS_KEY_TIMEOUT_ENABLED] = settings.backlightTimeoutEnabled ? "1" : "0";
map[SETTINGS_KEY_TIMEOUT_MS] = std::to_string(settings.backlightTimeoutMs);
map[SETTINGS_KEY_SCREENSAVER_TYPE] = toString(settings.screensaverType);
map[SETTINGS_KEY_DISABLE_WHEN_CHARGING] = settings.disableScreensaverWhenCharging ? "1" : "0";
auto settings_path = getSettingsFilePath();
if (!file::findOrCreateParentDirectory(settings_path, 0755)) {
return false;