rename mesh to communication

src/communication/Communication.cpp

@@ -0,0 +1,87 @@
+#include "Communication.h"
+
+Scheduler userScheduler; // to control your personal task
+painlessMesh mesh;
+uint32_t Communication::groupNumber = 0;
+
+// User-defined callback function pointer
+void (*Communication::userCallback)(String &msg) = nullptr;
+
+void Communication::sendMessage(String msg)
+{
+    String data = String(groupNumber) + "#" + msg;
+    mesh.sendBroadcast(data);
+}
+
+// Needed for painless library
+void Communication::receivedCallback(uint32_t from, String &msg)
+{
+    int separatorIndex = msg.indexOf('#');
+    if (separatorIndex != -1) {
+        String groupNumberStr = msg.substring(0, separatorIndex);
+        uint32_t num = groupNumberStr.toInt();
+        String restOfMsg = msg.substring(separatorIndex + 1);
+
+        Serial.printf("startHere: Received from %u groupNumber=%u msg=%s\n", from, num, restOfMsg.c_str());
+
+        if (groupNumber != num) return;
+
+        // Execute user-defined callback if it is set
+        if (userCallback) {
+            userCallback(restOfMsg);
+        }
+    }
+}
+
+void newConnectionCallback(uint32_t nodeId)
+{
+    Serial.printf("--> startHere: New Connection, nodeId = %u\n", nodeId);
+}
+
+void changedConnectionCallback()
+{
+    Serial.printf("Changed connections\n");
+}
+
+void nodeTimeAdjustedCallback(int32_t offset)
+{
+    Serial.printf("Adjusted time %u. Offset = %d\n", mesh.getNodeTime(), offset);
+}
+
+void vTaskUpdate(void *pvParameters)
+{
+    for (;;)
+    {
+        mesh.update();
+    }
+}
+
+void Communication::setGroupNumber(uint32_t number) {
+    groupNumber = number;
+}
+
+// Method to set the user-defined callback function
+void Communication::onReceive(void (*callbackFunc)(String &msg))
+{
+    userCallback = callbackFunc;
+}
+
+void Communication::begin(void)
+{
+    Serial.begin(115200);
+
+    // mesh.setDebugMsgTypes( ERROR | MESH_STATUS | CONNECTION | SYNC | COMMUNICATION | GENERAL | MSG_TYPES | REMOTE ); // all types on
+    mesh.setDebugMsgTypes(ERROR | STARTUP); // set before init() so that you can see startup messages
+
+    mesh.init(MESH_PREFIX, MESH_PASSWORD, &userScheduler, MESH_PORT);
+    mesh.onReceive(&receivedCallback);
+    mesh.onNewConnection(&newConnectionCallback);
+    mesh.onChangedConnections(&changedConnectionCallback);
+    mesh.onNodeTimeAdjusted(&nodeTimeAdjustedCallback);
+
+    static uint8_t ucParameterToPass;
+    TaskHandle_t xHandle = NULL;
+
+    xTaskCreate(vTaskUpdate, "vTaskMeshUpdate", 4096, &ucParameterToPass, tskIDLE_PRIORITY, &xHandle);
+    configASSERT(xHandle);
+};

src/communication/Communication.h

@@ -0,0 +1,32 @@
+
+#ifndef Communication_h
+#define Communication_h
+#include <stdint.h>
+#include <Arduino.h>
+#include <painlessMesh.h>
+
+#define   MESH_PREFIX     "DEZIBOT_MESH"
+#define   MESH_PASSWORD   "somethingSneaky"
+#define   MESH_PORT       5555
+
+
+class Communication{
+public: 
+    /**
+     * @brief initialize the Mesh Compnent, must be called before the other methods are used.  
+     * 
+     */
+    static void begin(void);
+
+    void setGroupNumber(uint32_t number);
+
+    void sendMessage(String msg);
+
+    void onReceive(void (*callbackFunc)(String &msg));
+private:
+    static void (*userCallback)(String &msg);
+    static void receivedCallback(uint32_t from, String &msg);
+    static uint32_t groupNumber;
+
+};
+#endif //Communication_h