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fix: broadcast memStatus every 30s

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It went out whenever free heap moved by 1.5 KB and 7s had passed,
which with normal traffic was about 240 times an hour. Send it every
30s instead. It is also the one event always sent, so 30s keeps Home
Assistant well inside its 60s receive timeout. Per-client sends and
the web UI's room are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
cjkas 2026-10-11 20:50:47 +02:00
parent bd7ed17a97
commit 66d264e4b5
2 changed files with 9 additions and 25 deletions
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31
src/ESPNetwork.cpp
View file

@ -32,8 +32,6 @@ extern SomfyShadeController somfy;
static unsigned long _lastHeapEmit = 0;
static bool _apScanning = false;
static uint32_t _lastMaxHeap = 0;
static uint32_t _lastHeap = 0;
int connectRetries = 0;
void ESPNetwork::end() {
SSDP.end();
@ -673,20 +671,12 @@ void ESPNetwork::networkEvent(WiFiEvent_t event) {
}
}
void ESPNetwork::emitHeap(uint8_t num) {
bool bEmit = false;
bool bTimeEmit = millis() - _lastHeapEmit > 15000;
bool bRoomEmit = false;
bool bValEmit = false;
if(num != 255 || this->needsBroadcast) bEmit = true;
if(millis() - _lastHeapEmit > 15000) bTimeEmit = true;
uint32_t freeHeap = ESP.getFreeHeap();
uint32_t maxHeap = ESP.getMaxAllocHeap();
uint32_t minHeap = ESP.getMinFreeHeap();
if(abs((int)(freeHeap - _lastHeap)) > 1500) bValEmit = true;
if(abs((int)(maxHeap - _lastMaxHeap)) > 1500) bValEmit = true;
bRoomEmit = sockEmit.activeClients(0) > 0;
if(bValEmit) bTimeEmit = millis() - _lastHeapEmit > 7000;
if(bEmit || bTimeEmit || bRoomEmit || bValEmit) {
const bool bBroadcast = num == 255 && millis() - _lastHeapEmit >= HEAP_EMIT_MS;
const bool bRoomEmit = sockEmit.activeClients(0) > 0;
if(num != 255 || bBroadcast || bRoomEmit) {
JsonSockEvent *json = sockEmit.beginEmit("memStatus");
json->beginObject();
json->addElem("max", maxHeap);
@ -695,20 +685,11 @@ void ESPNetwork::emitHeap(uint8_t num) {
json->addElem("total", ESP.getHeapSize());
json->addElem("uptime", (uint64_t)millis());
json->endObject();
if(num == 255 && bTimeEmit && bValEmit) {
if(bBroadcast) {
sockEmit.endEmit(num);
_lastHeapEmit = millis();
_lastHeap = freeHeap;
_lastMaxHeap = maxHeap;
//Serial.printf("BROAD HEAP: Emit:%d TimeEmit:%d ValEmit:%d\n", bEmit, bTimeEmit, bValEmit);
}
else if(num != 255) {
sockEmit.endEmit(num);
//Serial.printf("TARGET HEAP %d: Emit:%d TimeEmit:%d ValEmit:%d\n", num, bEmit, bTimeEmit, bValEmit);
}
else if(bRoomEmit) {
sockEmit.endEmitRoom(0);
//Serial.printf("ROOM HEAP: Emit:%d TimeEmit:%d ValEmit:%d\n", bEmit, bTimeEmit, bValEmit);
}
else if(num != 255) sockEmit.endEmit(num);
else sockEmit.endEmitRoom(0);
}
}

3
src/ESPNetwork.h
View file

@ -12,6 +12,9 @@
// changes and not more often than this.
#define RSSI_EMIT_MIN_DBM 3
#define RSSI_EMIT_MIN_MS 10000
// How often memStatus is broadcast. It is also the one event that is always
// sent, so it must stay well under Home Assistant's 60s receive timeout.
#define HEAP_EMIT_MS 30000
// A roaming scan only moves to another AP this much stronger.
#define ROAM_MIN_GAIN_DB 6
class ESPNetwork {