WiFi buffer counts are no longer hardcoded in the WiFi library

FluidNC/src/WebUI/WifiConfig.cpp

@@ -589,7 +589,18 @@ namespace WebUI {
  if ((WiFi.getMode() == WIFI_AP) || (WiFi.getMode() == WIFI_AP_STA)) {
  WiFi.softAPdisconnect();
  }
+
  WiFi.enableAP(false);
+
+ // Set the number of receive and transmit buffers that the
+ // WiFi stack can use. Making these numbers too large
+ // can eat up a lot of memory at 1.6K per buffer. It
+ // can be especially bad when there are many dynamic buffers,
+ // allowing external network traffic to use a lot of the heap.
+ // The bawin parameters are for AMPDU aggregation.
+ // rx: static dynamic bawin tx: static dynamic bawin cache
+ WiFi.setBuffers(4, 2, 0, 4, 0, 0, 4);
+
  //SSID
  const char* SSID = wifi_sta_ssid->get();
  if (strlen(SSID) == 0) {

platformio.ini

@@ -34,7 +34,7 @@ bt_deps =
  BluetoothSerial
 wifi_deps =
  arduinoWebSockets=https://github.com/MitchBradley/arduinoWebSockets#canSend
- WiFi=https://github.com/MitchBradley/WiFi#d412cd7
+ WiFi=https://github.com/MitchBradley/WiFi#52da841
  ; If we include the following explicit dependencies when we get the
  ; Arduino framework code from github, platformio picks up different
  ; and incompatible versions of these libraries from who knows where,