switch from rf24 to espnow

include/network.h

@@ -15,9 +15,13 @@
 #include <iostream>
 #include <WiFi.h>
 #include <PubSubClient.h>
+#include <esp_now.h>
 
 #include "networkConfig.h"
 
+typedef void (*recieveCallbackPtr) (const uint8_t * mac, const uint8_t *incomingData, int len); 
+typedef void (*sendCallbackPtr) (const uint8_t *mac_addr, esp_now_send_status_t status);
+
 /**
  * @brief This class handles all network stuff
  * 
@@ -39,6 +43,7 @@ class Network {
          * @return false Timeout
          */
         static bool connectWifi();
+        static bool connectEspNow(recieveCallbackPtr reci, sendCallbackPtr send);
 
         /**
          * @brief Set all general settings to connect to a broker.
@@ -71,6 +76,7 @@ class Network {
          * @return PubSubClient* 
          */
         static PubSubClient* getMqttClient();
+        static const uint8_t * getBroadcastAddress() { return broadcastAddress; }
 
     private:
         /**
@@ -80,6 +86,10 @@ class Network {
          * @return false if the connect attemp was unsuccessful
          */
         static bool connectMQTT();
+        static int32_t getWiFiChannel(const char *ssid);
+
+        static esp_now_peer_info_t peerInfo;
+        static uint8_t broadcastAddress[6];
 
         static IPAddress local_IP;
         static IPAddress gateway;

include/networkConfig.h

@@ -30,6 +30,7 @@
  */
 #define WLAN_CONNECT_LOOP_TIME 500
 #define WLAN_DNS_SERVER     "8.8.8.8"
+#define ESP_NOW_CONTROLER_MAC {0xC8, 0xC9, 0xA3, 0xC8, 0x57, 0x10}
 
 #define NTRIP_RTK2GO