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Prevent race condition when saving bus config.

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(loop() is executed on different core than handleSet())
This commit is contained in:
Blaz Kristan 2022-07-02 14:28:09 +02:00
parent fd4c0e795a
commit a8908238d5
2 changed files with 8 additions and 2 deletions
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4
wled00/cfg.cpp
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@ -95,6 +95,7 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
uint8_t s = 0; // bus iterator
if (fromFS) busses.removeAll(); // can't safely manipulate busses directly in network callback
uint32_t mem = 0;
bool busesChanged = false;
for (JsonObject elm : ins) {
if (s >= WLED_MAX_BUSSES) break;
uint8_t pins[5] = {255, 255, 255, 255, 255};
@ -123,10 +124,11 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
} else {
if (busConfigs[s] != nullptr) delete busConfigs[s];
busConfigs[s] = new BusConfig(ledType, pins, start, length, colorOrder, reversed, skipFirst);
doInitBusses = true;
busesChanged = true;
}
s++;
}
doInitBusses = busesChanged;
// finalization done in beginStrip()
}
if (hw_led["rev"]) busses.getBus(0)->reversed = true; //set 0.11 global reversed setting for first bus

6
wled00/set.cpp
View File

@ -90,6 +90,7 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
Bus::setAutoWhiteMode(strip.autoWhiteMode);
strip.setTargetFps(request->arg(F("FR")).toInt());
bool busesChanged = false;
for (uint8_t s = 0; s < WLED_MAX_BUSSES; s++) {
char lp[4] = "L0"; lp[2] = 48+s; lp[3] = 0; //ascii 0-9 //strip data pin
char lc[4] = "LC"; lc[2] = 48+s; lc[3] = 0; //strip length
@ -121,8 +122,9 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
// actual finalization is done in WLED::loop() (removing old busses and adding new)
if (busConfigs[s] != nullptr) delete busConfigs[s];
busConfigs[s] = new BusConfig(type, pins, start, length, colorOrder, request->hasArg(cv), skip);
doInitBusses = true;
busesChanged = true;
}
//doInitBusses = busesChanged; // we will do that below to ensure all input data is processed
ColorOrderMap com = {};
for (uint8_t s = 0; s < WLED_MAX_COLOR_ORDER_MAPPINGS; s++) {
@ -198,6 +200,8 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
if (t >= 0 && t < 4) strip.paletteBlend = t;
t = request->arg(F("BF")).toInt();
if (t > 0) briMultiplier = t;
doInitBusses = busesChanged;
}
//UI