Skip to content

Full WiFi scan and apply BSSID if used #5351

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
DedeHai merged 4 commits into from
Feb 8, 2026
+26 −2
Merged

Full WiFi scan and apply BSSID if used #5351

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
c7e400d
use extended wifi scan (fix Arduino bug), apply BSSID
DedeHai Feb 6, 2026
679c8c2
guard ESP826
DedeHai Feb 6, 2026
463c9a8
if BSSID changed: force reconnect, add comment to BSSID check
DedeHai Feb 6, 2026
2a6d6b6
indentation
DedeHai Feb 7, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions wled00/set.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
if (n >= multiWiFi.size()) multiWiFi.emplace_back(); // expand vector by one
char oldSSID[33]; strcpy(oldSSID, multiWiFi[n].clientSSID);
char oldPass[65]; strcpy(oldPass, multiWiFi[n].clientPass);
uint8_t oldBSSID[6]; memcpy(oldBSSID, multiWiFi[n].bssid, 6); // save old BSSID

strlcpy(multiWiFi[n].clientSSID, request->arg(cs).c_str(), 33);
if (strlen(oldSSID) == 0 || strncmp(multiWiFi[n].clientSSID, oldSSID, 32) != 0) {
Expand All @@ -46,6 +47,9 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
forceReconnect = true;
}
fillStr2MAC(multiWiFi[n].bssid, request->arg(bs).c_str());
if (memcmp(oldBSSID, multiWiFi[n].bssid, 6) != 0) { // check if BSSID changed
forceReconnect = true;
}
for (size_t i = 0; i < 4; i++) {
ip[3] = 48+i;
gw[3] = 48+i;
Expand Down
24 changes: 22 additions & 2 deletions wled00/wled.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -503,6 +503,10 @@ void WLED::setup()

if (strcmp(multiWiFi[0].clientSSID, DEFAULT_CLIENT_SSID) == 0 && !configBackupExists())
showWelcomePage = true;

#ifndef ESP8266
WiFi.setScanMethod(WIFI_ALL_CHANNEL_SCAN);
#endif
WiFi.persistent(false);
WiFi.onEvent(WiFiEvent);
WiFi.mode(WIFI_STA); // enable scanning
Expand Down Expand Up @@ -727,7 +731,15 @@ void WLED::initConnection()
wifi_station_clear_enterprise_username();
wifi_station_clear_enterprise_password();
#endif
WiFi.begin(multiWiFi[selectedWiFi].clientSSID, multiWiFi[selectedWiFi].clientPass);
uint8_t *bssid = nullptr;
// check if user BSSID is non zero for current WiFi config
for (int i = 0; i < sizeof(multiWiFi[selectedWiFi].bssid); i++) {
if (multiWiFi[selectedWiFi].bssid[i] != 0) {
bssid = multiWiFi[selectedWiFi].bssid; // BSSID set, assign pointer and continue
break;
}
}
WiFi.begin(multiWiFi[selectedWiFi].clientSSID, multiWiFi[selectedWiFi].clientPass, 0, bssid); // no harm if called multiple times
} else { // WIFI_ENCRYPTION_TYPE_ENTERPRISE
DEBUG_PRINTF_P(PSTR("Using WPA2_AUTH_PEAP (Anon: %s, Ident: %s)\n"), multiWiFi[selectedWiFi].enterpriseAnonIdentity, multiWiFi[selectedWiFi].enterpriseIdentity);
#ifdef ESP8266
Expand All @@ -746,7 +758,15 @@ void WLED::initConnection()
#endif
}
#else // WLED_ENABLE_WPA_ENTERPRISE
WiFi.begin(multiWiFi[selectedWiFi].clientSSID, multiWiFi[selectedWiFi].clientPass); // no harm if called multiple times
uint8_t *bssid = nullptr;
// check if user BSSID is non zero for current WiFi config
for (int i = 0; i < sizeof(multiWiFi[selectedWiFi].bssid); i++) {
Copy link
Member

@softhack007 softhack007 Feb 6, 2026

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

see previous comment

if (multiWiFi[selectedWiFi].bssid[i] != 0) {
bssid = multiWiFi[selectedWiFi].bssid; // BSSID set, assign pointer and continue
break;
}
}
WiFi.begin(multiWiFi[selectedWiFi].clientSSID, multiWiFi[selectedWiFi].clientPass, 0, bssid); // no harm if called multiple times
#endif // WLED_ENABLE_WPA_ENTERPRISE

#ifdef ARDUINO_ARCH_ESP32
Expand Down