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ESP32: add setting to skip W5500 ethernet probe #1017

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Merged
IgorYbema merged 1 commit into from
Oct 17, 2026
Merged

ESP32: add setting to skip W5500 ethernet probe #1017

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4 changes: 4 additions & 0 deletions HeishaMon/HeishaMon.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -178,6 +178,10 @@ int timerqueue_size = 0;
#define ETH_SPI_MOSI 11

void setupETH() {
if (!heishamonSettings.ethernet) {
loggingSerial.println(F("Ethernet disabled in settings, skipping W5500 init"));
return;
}
SPI.begin(ETH_SPI_SCK, ETH_SPI_MISO, ETH_SPI_MOSI);
if (ETH.begin(ETH_TYPE, ETH_ADDR, ETH_CS, ETH_IRQ, ETH_RST, SPI)) {
//sethostname on ESP32 after eth.begin (!! for wifi is most be before...!!)
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1 change: 1 addition & 0 deletions HeishaMon/htmlcode.h
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Expand Up @@ -1705,6 +1705,7 @@ static const char settingsForm2[] FLASHPROG = R"====(
<div class='setting-row'><label class='setting-label'>Emulate optional PCB</label><div class='checkbox-wrap'><input type='checkbox' name='optionalPCB' value='enabled'></div></div>
<div class='setting-row'><label class='setting-label'>Enable Opentherm processing</label><div class='checkbox-wrap'><input type='checkbox' name='opentherm' value='enabled'></div></div>
<div class='setting-row'><label class='setting-label'>Enable CZ-TAW1 proxy port</label><div class='checkbox-wrap'><input type='checkbox' name='proxy' value='enabled'></div></div>
<div class='setting-row'><label class='setting-label'>Ethernet module (W5500)</label><div style='display:flex;align-items:center;gap:10px'><div class='checkbox-wrap'><input type='checkbox' name='ethernet' value='enabled'></div><span class='setting-hint' style='display:block;margin-top:4px'>Disable on boards without the ethernet module to skip the W5500 probe and leave GPIO10-15 untouched. Needs a reboot.</span></div></div>
<div class='setting-row'><label class='setting-label'>Force rules on boot</label><div class='checkbox-wrap'><input type='checkbox' name='force_rules' value='enabled'></div></div>
</div></div>
<div class='panel' style='margin-bottom:16px'>
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9 changes: 9 additions & 0 deletions HeishaMon/webfunctions.cpp
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Expand Up @@ -258,6 +258,7 @@ void loadSettings(settingsStruct *heishamonSettings) {
heishamonSettings->opentherm = ( jsonDoc[F("opentherm")] == "enabled" ) ? true : false;
#ifdef ESP32
heishamonSettings->proxy = ( jsonDoc[F("proxy")] == "enabled" ) ? true : false;
heishamonSettings->ethernet = ( jsonDoc[F("ethernet")] == "disabled" ) ? false : true; //default to true if not found in settings
#endif
if ( jsonDoc[F("waitTime")]) heishamonSettings->waitTime = jsonDoc[F("waitTime")];
if (heishamonSettings->waitTime < 5) heishamonSettings->waitTime = 5;
Expand Down Expand Up @@ -489,6 +490,11 @@ void settingsToJson(JsonDocument &jsonDoc, settingsStruct *heishamonSettings) {
} else {
jsonDoc[F("proxy")] = "disabled";
}
if (heishamonSettings->ethernet) {
jsonDoc[F("ethernet")] = "enabled";
} else {
jsonDoc[F("ethernet")] = "disabled";
}
#endif
jsonDoc[F("waitTime")] = heishamonSettings->waitTime;
jsonDoc[F("waitDallasTime")] = heishamonSettings->waitDallasTime;
Expand Down Expand Up @@ -630,6 +636,7 @@ int saveSettings(struct webserver_t *client, settingsStruct *heishamonSettings)

#ifdef ESP32
jsonDoc[F("proxy")] = String("disabled");
jsonDoc[F("ethernet")] = String("disabled");
#endif
#ifdef TLS_SUPPORT
jsonDoc[F("mqtt_tls_enabled")] = String("disabled");
Expand Down Expand Up @@ -679,6 +686,8 @@ int saveSettings(struct webserver_t *client, settingsStruct *heishamonSettings)
#ifdef ESP32
} else if (strcmp(tmp->name.c_str(), "proxy") == 0) {
jsonDoc[F("proxy")] = tmp->value;
} else if (strcmp(tmp->name.c_str(), "ethernet") == 0) {
jsonDoc[F("ethernet")] = tmp->value;
#endif
} else if (strcmp(tmp->name.c_str(), "ntp_servers") == 0) {
jsonDoc[F("ntp_servers")] = tmp->value;
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1 change: 1 addition & 0 deletions HeishaMon/webfunctions.h
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Expand Up @@ -68,6 +68,7 @@ struct settingsStruct {
bool hotspot = true; //enable wifi hotspot when wifi is not connected
#ifdef ESP32
bool proxy = true; //cztaw proxy port enable flag
bool ethernet = true; //probe for W5500 ethernet module at boot (disable on boards without it)
#endif
s0SettingsStruct s0Settings[NUM_S0_COUNTERS];
gpioSettingsStruct gpioSettings;
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