updated service

src/FanStateService.h

@@ -0,0 +1,87 @@
+#ifndef FanStateService_h
+#define FanStateService_h
+
+
+#include <HttpEndpoint.h>
+
+
+#define FAN_PIN 13
+#define PRINT_DELAY 5000
+
+#define DEFAULT_FAN_STATE false
+#define OFF_STATE "OFF"
+#define ON_STATE "ON"
+
+// Note that the built-in LED is on when the pin is low on most NodeMCU boards.
+// This is because the anode is tied to VCC and the cathode to the GPIO 4 (Arduino pin 2).
+#ifdef ESP32
+#define FAN_ON 0x1
+#define FAN_OFF 0x0
+#elif defined(ESP8266)
+#define FAN_ON 0x0
+#define FAN_OFF 0x1
+#endif
+
+#define FAN_SETTINGS_ENDPOINT_PATH "/rest/fanState"
+
+
+class FanState {
+ public:
+  bool fanStatus;
+  int  fanSpeed;
+
+  static void read(FanState& settings, JsonObject& root) {
+    root["fan_status"] = settings.fanStatus;
+    String s = root["fan_status"];
+    Serial.print(" ** Fan read [" + s + "]\n");
+  }
+
+  static StateUpdateResult update(JsonObject& root, FanState& fanState) {
+    boolean newState = root["fan_status"] | DEFAULT_FAN_STATE;
+    Serial.print(" ** Fan update [" + (String)newState + "]\n");
+    if (fanState.fanStatus != newState) {
+      fanState.fanStatus = newState;
+      return StateUpdateResult::CHANGED;
+    }
+    return StateUpdateResult::UNCHANGED;
+  }
+
+  static void haRead(FanState& settings, JsonObject& root) {
+    root["state"] = settings.fanStatus ? ON_STATE : OFF_STATE;
+    String s = root["state"];
+    Serial.print(" ** Fan haRead [" + s + "] \n");
+  }
+
+  static StateUpdateResult haUpdate(JsonObject& root, FanState& fanState) {
+    String state = root["state"];
+    String s = root["state"];
+    Serial.print(" ** Fan haUpdate [" + s + "] \n");
+    // parse new led state 
+    boolean newState = false;
+    if (state.equals(ON_STATE)) {
+      newState = true;
+    } else if (!state.equals(OFF_STATE)) {
+      return StateUpdateResult::ERROR;
+    }
+    // change the new state, if required
+    if (fanState.fanStatus != newState) {
+      fanState.fanStatus = newState;
+      return StateUpdateResult::CHANGED;
+    }
+    return StateUpdateResult::UNCHANGED;
+  }
+};
+
+class FanStateService : public StatefulService<FanState> {
+ public:
+  FanStateService(AsyncWebServer* server,  SecurityManager* securityManager);
+  void begin();
+
+ private:
+  HttpEndpoint<FanState> _httpEndpoint;
+
+  void registerConfig();
+  void onConfigUpdated();
+};
+
+#endif