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Performance and stability pass (v1.5.9)

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- Tighten transport announce rate limit from 5/sec to 2/sec
- Reduce RNS loop frequency from 200Hz to 100Hz
- Throttle LVGL rendering to 30 FPS (was unthrottled)
- Time-box TCP frame loop to 3 frames / 8ms per client
- Add 12ms global TCP budget across all clients
- Replace blocking WiFi announce delay(1500) with deferred non-blocking check
- Rotate persistData() across 3 cycles to spread file I/O
- Reduce LvNodesScreen rebuild frequency (2s → 5s, skip small transient changes)
- Bump version to 1.5.9
This commit is contained in:
DeFiDude
2026-03-10 12:10:24 -06:00
parent 1c6f1a7633
commit 9d81d05979
8 changed files with 87 additions and 51 deletions
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src/main.cpp
+42 -23
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@@ -120,6 +120,11 @@ unsigned long lastHeartbeat = 0;
constexpr unsigned long HEARTBEAT_INTERVAL_MS = 5000;
unsigned long loopCycleStart = 0;
unsigned long maxLoopTime = 0;
unsigned long lastLvglTime = 0;
constexpr unsigned long LVGL_INTERVAL_MS = 33; // ~30 FPS
constexpr unsigned long TCP_GLOBAL_BUDGET_MS = 12; // Max cumulative TCP time per loop
bool wifiDeferredAnnounce = false;
unsigned long wifiConnectedAt = 0;
// =============================================================================
// Announce with display name (MessagePack-encoded app_data)
@@ -888,16 +893,20 @@ void loop() {
}
}
// 3. LVGL timer handler — run FIRST after input for responsive UI
if (powerMgr.isScreenOn()) {
lv_timer_handler();
// 3. LVGL timer handler — throttled to ~30 FPS
{
unsigned long now = millis();
if (powerMgr.isScreenOn() && now - lastLvglTime >= LVGL_INTERVAL_MS) {
lastLvglTime = now;
lv_timer_handler();
}
}
// 4. Reticulum loop (radio RX via LoRaInterface) — throttle to ~200Hz
// 4. Reticulum loop (radio RX via LoRaInterface) — throttle to ~100Hz
{
static unsigned long lastRNS = 0;
unsigned long now = millis();
if (now - lastRNS >= 5) {
if (now - lastRNS >= 10) {
lastRNS = now;
rns.loop();
}
@@ -932,20 +941,9 @@ void loop() {
// Recreate TCP clients on every WiFi connect (old clients may have stale sockets)
reloadTCPClients();
// Announce over TCP now that it's available — delay to let VPS register the connection
bool anyTcpConnected = false;
for (auto* tcp : tcpClients) {
if (tcp->isConnected()) { anyTcpConnected = true; break; }
}
if (anyTcpConnected) {
delay(1500); // Let VPS Reticulum register the new interface
Serial.println("[TCP] Sending announce over new TCP connection...");
RNS::Bytes appData = encodeAnnounceName(userConfig.settings().displayName);
rns.announce(appData);
lastAutoAnnounce = millis();
} else {
Serial.println("[TCP] No TCP clients connected, skipping announce");
}
// Defer announce to let VPS register the connection (non-blocking)
wifiDeferredAnnounce = true;
wifiConnectedAt = millis();
} else if (!connected && wifiSTAConnected) {
wifiSTAConnected = false;
ui.statusBar().setWiFiActive(false);
@@ -962,11 +960,32 @@ void loop() {
}
}
// 8. WiFi + TCP loops
// 7.5. Deferred WiFi announce (non-blocking replacement for delay(1500))
if (wifiDeferredAnnounce && millis() - wifiConnectedAt >= 1500) {
wifiDeferredAnnounce = false;
bool anyTcpConnected = false;
for (auto* tcp : tcpClients) {
if (tcp->isConnected()) { anyTcpConnected = true; break; }
}
if (anyTcpConnected) {
Serial.println("[TCP] Sending announce over new TCP connection...");
RNS::Bytes appData = encodeAnnounceName(userConfig.settings().displayName);
rns.announce(appData);
lastAutoAnnounce = millis();
} else {
Serial.println("[TCP] No TCP clients connected, skipping announce");
}
}
// 8. WiFi + TCP loops (with global budget)
if (wifiImpl) wifiImpl->loop();
for (auto* tcp : tcpClients) {
tcp->loop();
yield();
{
unsigned long tcpBudgetStart = millis();
for (auto* tcp : tcpClients) {
if (millis() - tcpBudgetStart >= TCP_GLOBAL_BUDGET_MS) break;
tcp->loop();
yield();
}
}
// 9. BLE loops