espressif · me-no-dev · Oct 21, 2021 · Oct 21, 2021 · Oct 21, 2021 · Oct 21, 2021
@@ -542,6 +542,20 @@ bool tcpipInit(){
 * */

 static bool lowLevelInitDone = false;
+bool WiFiGenericClass::_wifiUseStaticBuffers = false;
+
+bool WiFiGenericClass::useStaticBuffers(){
+    return _wifiUseStaticBuffers;
+}
+
+void WiFiGenericClass::useStaticBuffers(bool bufferMode){
+    if (lowLevelInitDone) {
+        log_w("WiFi already started. Call WiFi.mode(WIFI_MODE_NULL) before setting Static Buffer Mode.");
+    } 
+    _wifiUseStaticBuffers = bufferMode;
+}
+
+
 bool wifiLowLevelInit(bool persistent){
    if(!lowLevelInitDone){
        lowLevelInitDone = true;
@@ -557,6 +571,16 @@ bool wifiLowLevelInit(bool persistent){
        }

        wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+
+	if(!WiFiGenericClass::useStaticBuffers()) {
+	    cfg.static_tx_buf_num = 0;
+            cfg.dynamic_tx_buf_num = 32;
+	    cfg.tx_buf_type = 1;
+            cfg.cache_tx_buf_num = 1;  // can't be zero!
+	    cfg.static_rx_buf_num = 4;
+            cfg.dynamic_rx_buf_num = 32;
+        }
+
        esp_err_t err = esp_wifi_init(&cfg);
        if(err){
            log_e("esp_wifi_init %d", err);
@@ -644,7 +668,6 @@ wifi_ps_type_t WiFiGenericClass::_sleepEnabled = WIFI_PS_MIN_MODEM;

 WiFiGenericClass::WiFiGenericClass() 
 {
-
 }

 const char * WiFiGenericClass::getHostname()

@@ -179,12 +179,16 @@ class WiFiGenericClass
    static bool hostname(const String& aHostname) { return setHostname(aHostname.c_str()); }

    static esp_err_t _eventCallback(arduino_event_t *event);
+
+    static void useStaticBuffers(bool bufferMode);
+    static bool useStaticBuffers();

  protected:
    static bool _persistent;
    static bool _long_range;
    static wifi_mode_t _forceSleepLastMode;
    static wifi_ps_type_t _sleepEnabled;
+    static bool _wifiUseStaticBuffers;

    static int setStatusBits(int bits);
    static int clearStatusBits(int bits);