Jan/WLED_MM_Infinity
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avoid infinite disconnect loops when RAM is low

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This commit is contained in:
Frank
2024-02-23 10:54:50 +01:00
parent 7ae38649ad
commit 2cc67245ca
4 changed files with 32 additions and 11 deletions
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1
wled00/const.h
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@@ -344,6 +344,7 @@
#define ERR_OVERTEMP 30 // An attached temperature sensor has measured above threshold temperature (not implemented)
#define ERR_OVERCURRENT 31 // An attached current sensor has measured a current above the threshold (not implemented)
#define ERR_UNDERVOLT 32 // An attached voltmeter has measured a voltage below the threshold (not implemented)
#define ERR_LOW_MEM 33 // low memory (RAM)
// Timer mode types
#define NL_MODE_SET 0 //After nightlight time elapsed, set to target brightness

3
wled00/data/index.js
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@@ -1967,6 +1967,9 @@ function readState(s,command=false)
case 19:
errstr = "A filesystem error has occured.";
break;
case 33:
errstr = "Warning: Low Memory (RAM).";
break;
}
showToast('Error ' + s.error + ": " + errstr, true);
}

37
wled00/wled.cpp
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@@ -1205,6 +1205,7 @@ void WLED::handleConnection()
return;
}
static unsigned retryCount = 0; // WLEDMM
#ifdef ARDUINO_ARCH_ESP32
// reconnect WiFi to clear stale allocations if heap gets too low
if (now - heapTime > 5000) { // WLEDMM: updated with better logic for small heap available by block, not total.
@@ -1214,10 +1215,16 @@ void WLED::handleConnection()
uint32_t heap = heap_caps_get_largest_free_block(0x1800); // WLEDMM: This is a better metric for free heap.
#endif
if (heap < MIN_HEAP_SIZE && lastHeap < MIN_HEAP_SIZE) {
USER_PRINT(F("Heap too low! (step 2, force reconnect): "));
USER_PRINTLN(heap);
forceReconnect = true;
strip.purgeSegments(true); // remove all but one segments from memory
if (retryCount < 5) { // WLEDMM avoid repeated disconnects
USER_PRINT(F("Heap too low! (step 2, force reconnect): "));
USER_PRINTLN(heap);
forceReconnect = true;
strip.purgeSegments(true); // remove all but one segments from memory
// WLEDMM
errorFlag = ERR_LOW_MEM;
retryCount ++;
}
errorFlag = ERR_LOW_MEM;
} else if (heap < MIN_HEAP_SIZE) {
USER_PRINT(F("Heap too low! (step 1, flush unread UDP): "));
USER_PRINTLN(heap);
@@ -1226,7 +1233,10 @@ void WLED::handleConnection()
rgbUdp.flush();
notifier2Udp.flush();
ntpUdp.flush();
}
// WLEDMM
errorFlag = ERR_LOW_MEM;
retryCount = 1;
} else retryCount = 0; // WLEDMM memory OK - reset counter
lastHeap = heap;
heapTime = now;
}
@@ -1235,15 +1245,22 @@ void WLED::handleConnection()
if (now - heapTime > 5000) {
uint32_t heap = ESP.getFreeHeap();
if (heap < MIN_HEAP_SIZE && lastHeap < MIN_HEAP_SIZE) {
USER_PRINT(F("Heap too low! (step 2, force reconnect): "));
USER_PRINTLN(heap);
forceReconnect = true;
strip.purgeSegments(true); // remove all but one segments from memory
if (retryCount < 5) { // WLEDMM avoid repeated disconnects
USER_PRINT(F("Heap too low! (step 2, force reconnect): "));
USER_PRINTLN(heap);
forceReconnect = true;
strip.purgeSegments(true); // remove all but one segments from memory
// WLEDMM
errorFlag = ERR_LOW_MEM;
}
} else if (heap < MIN_HEAP_SIZE) {
USER_PRINT(F("Heap too low! (step 1, purge segments): "));
USER_PRINTLN(heap);
strip.purgeSegments();
}
// WLEDMM
errorFlag = ERR_LOW_MEM;
retryCount = 1;
} else retryCount = 0; // WLEDMM memory OK - reset counter
lastHeap = heap;
heapTime = now;
}

2
wled00/wled.h
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@@ -8,7 +8,7 @@
*/
// version code in format yymmddb (b = daily build)
#define VERSION 2402180
#define VERSION 2402230
// WLEDMM - you can check for this define in usermods, to only enabled WLEDMM specific code in the "right" fork. Its not defined in AC WLED.
#define _MoonModules_WLED_