loop functions checks for cached data to resend

client/client/lib/espnow/src/espnow.cpp

@@ -106,4 +106,18 @@ Message :: Message(){
 
     data->amountData = 0;
     data->timestamp = rtc.getMillis(); // I am assuming we are not sending data from Unix Epoch
+}
+
+Message :: Message(data_struct old_data){
+    memcpy(data, &old_data, sizeof(data));
+
+    preferences.begin("config", true);
+    if(preferences.isKey("host")){
+        preferences.getBytes("host", recipient, sizeof(uint8_t) * 6);
+    }
+    else{
+        memcpy(recipient, BROADCAST_MAC, sizeof(BROADCAST_MAC));
+        Serial.println("backup mac used");
+    }
+    preferences.end();
 }
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client/client/src/main.cpp

 #include <Arduino.h>
 #include "espnow.hpp"
+#include "ram_caching.hpp"
 
 void setup() {
  
@@ -22,5 +23,12 @@ void loop() {
   new_data->add_data(counter * 1.3, 2);
   new_data->send();
   delete new_data;
+
+  if(!ram_cache_is_empty()){
+    data_struct old_data = ram_cache_pop();
+    Message* resend_message = new Message(old_data);
+    resend_message->send();
+    delete resend_message;
+  }
   delay(5000);
 }
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