use espMqttClient, qos2 fixed

lib/espMqttClient/src/Helpers.h

@@ -0,0 +1,49 @@
+/*
+Copyright (c) 2022 Bert Melis. All rights reserved.
+
+This work is licensed under the terms of the MIT license.  
+For a copy, see <https://opensource.org/licenses/MIT> or
+the LICENSE file.
+*/
+
+#pragma once
+
+#if defined(ARDUINO_ARCH_ESP32)
+  #include <Arduino.h>  // millis(), ESP.getFreeHeap();
+  #include "freertos/FreeRTOS.h"
+  #include "freertos/task.h"
+  #include "esp_task_wdt.h"
+  #define EMC_SEMAPHORE_TAKE() xSemaphoreTake(_xSemaphore, portMAX_DELAY)
+  #define EMC_SEMAPHORE_GIVE() xSemaphoreGive(_xSemaphore)
+  #define EMC_GET_FREE_MEMORY() std::max(ESP.getMaxAllocHeap(), ESP.getMaxAllocPsram())
+  #define EMC_YIELD() taskYIELD()
+  #define EMC_GENERATE_CLIENTID(x) snprintf(x, EMC_CLIENTID_LENGTH, "esp32%06llx", ESP.getEfuseMac());
+#elif defined(ARDUINO_ARCH_ESP8266)
+  #include <Arduino.h>  // millis(), ESP.getFreeHeap();
+  #if EMC_ESP8266_MULTITHREADING
+    // This lib doesn't run use multithreading on ESP8266
+    // _xSemaphore defined as std::atomic<bool>
+    #define EMC_SEMAPHORE_TAKE() while (_xSemaphore) { /*ESP.wdtFeed();*/ } _xSemaphore = true
+    #define EMC_SEMAPHORE_GIVE() _xSemaphore = false
+  #else
+    #define EMC_SEMAPHORE_TAKE()
+    #define EMC_SEMAPHORE_GIVE()
+  #endif
+  #define EMC_GET_FREE_MEMORY() ESP.getMaxFreeBlockSize()
+  // no need to yield for ESP8266, the Arduino framework does this internally
+  // yielding in async is forbidden (will crash)
+  #define EMC_YIELD()
+  #define EMC_GENERATE_CLIENTID(x) snprintf(x, EMC_CLIENTID_LENGTH, "esp8266%06x", ESP.getChipId());
+#elif defined(__linux__)
+  #include <chrono>  // NOLINT [build/c++11]
+  #include <thread>  // NOLINT [build/c++11] for yield()
+  #define millis() std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now().time_since_epoch()).count()
+  #define EMC_GET_FREE_MEMORY() 1000000000
+  #define EMC_YIELD() std::this_thread::yield()
+  #define EMC_GENERATE_CLIENTID(x) snprintf(x, EMC_CLIENTID_LENGTH, "Client%04d%04d%04d", rand()%10000, rand()%10000, rand()%10000)
+  #include <mutex>  // NOLINT [build/c++11]
+    #define EMC_SEMAPHORE_TAKE() mtx.lock();
+    #define EMC_SEMAPHORE_GIVE() mtx.unlock();
+#else
+  #error Target platform not supported
+#endif