Added mutex for ws sending to avoid concurrent send

2026-01-31 21:14:10 +01:00
parent 8d4ce16460
commit 18aa9e9e96
1 changed files with 4 additions and 1 deletions
@@ -265,7 +265,10 @@ esp_err_t WebServer::wsSend(int sockfd, const uint8_t* data, size_t len) {
                              .type = HTTPD_WS_TYPE_BINARY,
                              .payload = const_cast<uint8_t*>(data),
                              .len = len};
-    return httpd_ws_send_frame_async(server_, sockfd, &frame);
+    xSemaphoreTake(wsMutex_, portMAX_DELAY);
+    esp_err_t ret = httpd_ws_send_frame_async(server_, sockfd, &frame);
+    xSemaphoreGive(wsMutex_);
+    return ret;
 }

 esp_err_t WebServer::wsSendAll(const uint8_t* data, size_t len) {