add demo project implementation

src/DemoProject.cpp

@@ -1,9 +1,25 @@
 #include <DemoProject.h>
 
-void DemoProject::begin() {
-
+void DemoProject::init(AsyncWebServer* server) {
+  AdminSettingsService::init(server);
+  pinMode(BLINK_LED, OUTPUT);  
 }
 
 void DemoProject::loop() {
-
+  unsigned delay = MAX_DELAY / 255 * (255 - _blinkSpeed);
+  unsigned long currentMillis = millis();
+  if (!_lastBlink || (unsigned long)(currentMillis - _lastBlink) >= delay) {
+    _lastBlink = currentMillis;
+    digitalWrite(BLINK_LED, !digitalRead(BLINK_LED));
+  }
 }
+
+void DemoProject::readFromJsonObject(JsonObject& root) {
+  _blinkSpeed = root["blink_speed"] | DEFAULT_BLINK_SPEED;
+}
+
+void DemoProject::writeToJsonObject(JsonObject& root) {
+  // connection settings
+  root["blink_speed"] = _blinkSpeed;
+}
+

src/DemoProject.h

@@ -1,23 +1,35 @@
 #ifndef DemoProject_h
 #define DemoProject_h
 
-#include <ESPAsyncWebServer.h>
-#include <SecurityManager.h>
+#include <SettingsService.h>
 
-class DemoProject {
+#define BLINK_LED 2
+#define MAX_DELAY 1000
+
+#define DEFAULT_BLINK_SPEED 100
+#define DEMO_SETTINGS_FILE "/config/demoSettings.json"
+#define DEMO_SETTINGS_PATH "/rest/demoSettings"
+
+class DemoProject : public AdminSettingsService {
 
   public:
 
-    DemoProject(AsyncWebServer *server, SecurityManager* securityManager) : _server(server), _securityManager(securityManager) {}
+    DemoProject(FS* fs, SecurityManager* securityManager) : AdminSettingsService(fs, securityManager, DEMO_SETTINGS_PATH, DEMO_SETTINGS_FILE) {}
+    ~DemoProject() {}
     
-    void begin();
+    void init(AsyncWebServer* server);
     void loop();
 
   private:
 
-    AsyncWebServer* _server;
-    SecurityManager* _securityManager;
+    unsigned long _lastBlink = 0;
+    uint8_t _blinkSpeed = 255;
 
+  protected:
+
+    void readFromJsonObject(JsonObject& root);
+    void writeToJsonObject(JsonObject& root);
+  
 };
 
 #endif

src/main.cpp

@@ -7,9 +7,10 @@
 AsyncWebServer server(80);
 ESP8266React espServer(&SPIFFS);
 
-DemoProject demoProject = DemoProject(&server, espServer.getSecurityManager());
+DemoProject demoProject = DemoProject(&SPIFFS, espServer.getSecurityManager());
 
 void setup() {
+  // start serial and filesystem
   Serial.begin(SERIAL_BAUD_RATE);
   SPIFFS.begin();
 
@@ -17,15 +18,16 @@ void setup() {
   espServer.init(&server);
 
   // begin the demo project
-  demoProject.begin();
+  demoProject.init(&server);
   
+  // start the server
   server.begin();
 }
 
 void loop() {
-  // run the framework loop
+  // run the framework's loop function
   espServer.loop();
 
-  // run the demo project loop
+  // run the demo project's loop function
   demoProject.loop();
 }