Other ETH lib

2025-12-16 07:34:09 +00:00 · 2024-11-09 21:59:25 +01:00 · 2024-11-09 21:59:25 +01:00 · c295017495
commit c295017495
parent 3ce1df2136
70 changed files with 21645 additions and 67 deletions
--- a/lib/AsyncWebServer_ESP32_W5500/src/AsyncWebSynchronization.h
+++ b/lib/AsyncWebServer_ESP32_W5500/src/AsyncWebSynchronization.h
@ -0,0 +1,124 @@
+/****************************************************************************************************************************
+  AsyncWebSynchronization.h - Dead simple Ethernet AsyncWebServer.
+
+  For W5500 LwIP Ethernet in ESP32 (ESP32 + W5500)
+
+  AsyncWebServer_ESP32_W5500 is a library for the LwIP Ethernet W5500 in ESP32 to run AsyncWebServer
+
+  Based on and modified from ESPAsyncWebServer (https://github.com/me-no-dev/ESPAsyncWebServer)
+  Built by Khoi Hoang https://github.com/khoih-prog/AsyncWebServer_ESP32_W5500
+  Licensed under GPLv3 license
+
+  Original author: Hristo Gochkov
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+
+  This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License along with this library;
+  if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Version: 1.6.4
+
+  Version Modified By   Date      Comments
+  ------- -----------  ---------- -----------
+  1.6.2   K Hoang      30/11/2022 Initial porting for ENC28J60 + ESP32. Sync with AsyncWebServer_WT32_ETH01 v1.6.2
+  1.6.3   K Hoang      05/12/2022 Add Async_WebSocketsServer, MQTT examples
+  1.6.4   K Hoang      23/12/2022 Remove unused variable to avoid compiler warning and error
+ *****************************************************************************************************************************/
+
+#ifndef ASYNCWEBSYNCHRONIZATION_H_
+#define ASYNCWEBSYNCHRONIZATION_H_
+
+// Synchronisation is only available on ESP32, as the ESP8266 isn't using FreeRTOS by default
+
+#include "AsyncWebServer_ESP32_W5500.h"
+
+/////////////////////////////////////////////////
+
+// This is the ESP32 version of the Sync Lock, using the FreeRTOS Semaphore
+class AsyncWebLock
+{
+  private:
+    SemaphoreHandle_t _lock;
+    mutable void *_lockedBy;
+
+  public:
+    AsyncWebLock()
+    {
+      _lock = xSemaphoreCreateBinary();
+      _lockedBy = NULL;
+      xSemaphoreGive(_lock);
+    }
+
+    /////////////////////////////////////////////////
+
+    ~AsyncWebLock()
+    {
+      vSemaphoreDelete(_lock);
+    }
+
+    /////////////////////////////////////////////////
+
+    bool lock() const
+    {
+      extern void *pxCurrentTCB;
+
+      if (_lockedBy != pxCurrentTCB)
+      {
+        xSemaphoreTake(_lock, portMAX_DELAY);
+        _lockedBy = pxCurrentTCB;
+
+        return true;
+      }
+
+      return false;
+    }
+
+    /////////////////////////////////////////////////
+
+    void unlock() const
+    {
+      _lockedBy = NULL;
+      xSemaphoreGive(_lock);
+    }
+};
+
+/////////////////////////////////////////////////
+
+class AsyncWebLockGuard
+{
+  private:
+    const AsyncWebLock *_lock;
+
+  public:
+    AsyncWebLockGuard(const AsyncWebLock &l)
+    {
+      if (l.lock())
+      {
+        _lock = &l;
+      }
+      else
+      {
+        _lock = NULL;
+      }
+    }
+
+    /////////////////////////////////////////////////
+
+    ~AsyncWebLockGuard()
+    {
+      if (_lock)
+      {
+        _lock->unlock();
+      }
+    }
+};
+
+/////////////////////////////////////////////////
+
+#endif // ASYNCWEBSYNCHRONIZATION_H_