Fixed reference errors

platformio.ini

@@ -14,7 +14,9 @@ board = esp32dev
 framework = arduino
 lib_deps =
   WebSockets
+;board_build.f_cpu = 160000000L
+;build_type = debug
 
 ; upload via OTA
-upload_protocol = espota
-upload_port = 192.168.4.1
+;upload_protocol = espota
+;upload_port = 192.168.4.1

src/core/diagnostics_state.cpp

@@ -13,29 +13,25 @@ void DiagnosticsState::update()
     current.cpuFrequency =
         ESP.getCpuFreqMHz();
 
-    history[historyIndex] = current;
+    Serial.print("#update: ");
+    Serial.println(current.freeHeap);
+    Serial.println("Calling current from update");
+    getCurrent();
     
-    historyIndex++;
-    if(historyIndex >= DIAGNOSTIC_HISTORY_SIZE)
-    {
-        historyIndex = 0;
-    }
 }
 
 
 
 DiagnosticSample DiagnosticsState::getCurrent()
 {
-    return current;
-}
-
-
-
-DiagnosticSample DiagnosticsState::getHistory(uint8_t index)
-{
-    if(index >= DIAGNOSTIC_HISTORY_SIZE)
-    {
-        return current;
-    }
-    return history[index];
+    DiagnosticSample sample;
+    sample.timestamp = current.timestamp;
+    sample.freeHeap = current.freeHeap;
+    sample.minimumFreeHeap = current.minimumFreeHeap;
+    sample.cpuFrequency = current.cpuFrequency;
+
+    Serial.print("#getCurrent: ");
+    Serial.println(sample.freeHeap);
+    Serial.println(sample.timestamp);
+    return sample;
 }

src/core/diagnostics_state.h

@@ -23,12 +23,12 @@ public:
 
 
     DiagnosticSample getCurrent();
-    DiagnosticSample getHistory(uint8_t index);
+    //DiagnosticSample getHistory(uint8_t index);
 
 
 private:
 
-    DiagnosticSample current;
-    DiagnosticSample history[DIAGNOSTIC_HISTORY_SIZE];
-    uint8_t historyIndex = 0;
+    volatile DiagnosticSample current;
+    //DiagnosticSample history[DIAGNOSTIC_HISTORY_SIZE];
+    //uint8_t historyIndex = 0;
 };

src/services/web_service.cpp

@@ -128,6 +128,7 @@ Firmware Version: <div id="firmware_version">Loading...</div>
 void WebService::broadcastState()
 {
     DiagnosticSample diagnostics = diagnosticsState.getCurrent();
+    Serial.println(diagnostics.freeHeap);
     String json = "{";
 
     // Opening system tag:
@@ -148,6 +149,7 @@ void WebService::broadcastState()
 
     json += "\"free_heap\":\"";
     json += diagnostics.freeHeap;
+    //json += ESP.getFreeHeap();
     json += "\",";
 
     json += "\"minimum_free_heap\":\"";
@@ -165,7 +167,7 @@ void WebService::broadcastState()
     json += "}";
 
 
-    Serial.println(json);
+    //Serial.println(json);
     webSocket.broadcastTXT(json);
 }
 
@@ -179,6 +181,16 @@ void WebService::begin() {
                     );    
     });
 
+    #ifdef DEBUGGING
+    // Prints out paths that are requested but not found.
+    server.onNotFound([this]() {
+        Serial.print("HTTP not found: ");
+        Serial.println(server.uri());
+        
+        server.send(404, "text/plain", "Not found");
+    });
+    #endif
+    
     server.begin();
 
     webSocket.begin();

src/services/web_service.h

@@ -22,8 +22,8 @@ private:
     WebServer server;
     WebSocketsServer webSocket;
 
-    DashboardState dashboardState;
-    DiagnosticsState diagnosticsState;
+    DashboardState& dashboardState;
+    DiagnosticsState& diagnosticsState;
 
     void handleWebSocketMessage(uint8_t clientNum, uint8_t *payload, size_t length);
     void broadcastState();