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Limit buffer size on ESP8266 to avoid reboots

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This commit is contained in:
Gunnar Skjold
2023-11-08 18:40:37 +01:00
parent 445973f9ce
commit f04e15f5d0
2 changed files with 17 additions and 3 deletions
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19
src/AmsToMqttBridge.cpp
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@@ -727,9 +727,19 @@ void handleSystem(unsigned long now) {
// After one hour, adjust buffer size to match the largest payload
if(!maxDetectPayloadDetectDone && now > 3600000) {
if(maxDetectedPayloadSize * 1.5 > meterConfig.bufferSize * 64) {
meterConfig.bufferSize = min((double) 64, ceil((maxDetectedPayloadSize * 1.5) / 64));
debugI_P(PSTR("Increasing RX buffer to %d bytes"), meterConfig.bufferSize * 64);
config.setMeterConfig(meterConfig);
int bufferSize = min((double) 64, ceil((maxDetectedPayloadSize * 1.5) / 64));
#if defined(ESP8266)
if(gpioConfig.hanPin != 3 && gpioConfig.hanPin != 113) {
bufferSize = min(bufferSize, 2);
} else {
bufferSize = min(bufferSize, 8);
}
#endif
if(bufferSize != meterConfig.bufferSize) {
debugI_P(PSTR("Increasing RX buffer to %d bytes"), bufferSize * 64);
meterConfig.bufferSize = bufferSize;
config.setMeterConfig(meterConfig);
}
}
maxDetectPayloadDetectDone = true;
}
@@ -1035,6 +1045,9 @@ void setupHanPort(GpioConfig& gpioConfig, uint32_t baud, uint8_t parityOrdinal,
break;
}
#if defined(ESP8266)
if(meterConfig.bufferSize > 2) meterConfig.bufferSize = 2;
#endif
swSerial->begin(baud, serialConfig, pin, -1, invert, meterConfig.bufferSize * 64);
hanSerial = swSerial;