Move LED control to its own module

code/src/button.ino

@@ -55,6 +55,7 @@ void buttonLoop() {
 }
 
 #else
+#ifdef BUTTON_PIN
 
 #include <DebounceEvent.h>
 DebounceEvent button1 = false;
@@ -71,4 +72,10 @@ void buttonLoop() {
     }
 }
 
+#else
+
+void buttonSetup() {}
+void buttonLoop() {}
+
+#endif
 #endif

code/src/config/hardware.h

@@ -71,6 +71,10 @@
     #define LED_PIN             13
     #define LED_PIN_INVERSE     0
 
+// -----------------------------------------------------------------------------
+// Electrodragon boards
+// -----------------------------------------------------------------------------
+
 #elif defined(ESP_RELAY_BOARD)
 
     #define MANUFACTURER        "ELECTRODRAGON"

code/src/led.ino

@@ -0,0 +1,51 @@
+/*
+
+ESPurna
+LED MODULE
+
+Copyright (C) 2016 by Xose Pérez <xose dot perez at gmail dot com>
+
+*/
+
+// -----------------------------------------------------------------------------
+// LED
+// -----------------------------------------------------------------------------
+
+#ifdef LED_PIN
+
+void blink(unsigned long delayOff, unsigned long delayOn) {
+    static unsigned long next = millis();
+    static bool status = HIGH;
+    if (next < millis()) {
+        status = !status;
+        digitalWrite(LED_PIN, LED_PIN_INVERSE ? !status : status);
+        next += ((status) ? delayOff : delayOn);
+    }
+}
+
+void showStatus() {
+    if (wifiConnected()) {
+        if (WiFi.getMode() == WIFI_AP) {
+            blink(2000, 2000);
+        } else {
+            blink(5000, 500);
+        }
+    } else {
+        blink(500, 500);
+    }
+}
+
+void ledSetup() {
+    pinMode(LED_PIN, OUTPUT);
+}
+
+void ledLoop() {
+    showStatus();
+}
+
+#else
+
+void ledSetup() {};
+void ledLoop() {};
+
+#endif

code/src/main.ino

@@ -41,31 +41,8 @@ String getIdentifier() {
     return String(identifier);
 }
 
-void blink(unsigned long delayOff, unsigned long delayOn) {
-    static unsigned long next = millis();
-    static bool status = HIGH;
-    if (next < millis()) {
-        status = !status;
-        digitalWrite(LED_PIN, LED_PIN_INVERSE ? !status : status);
-        next += ((status) ? delayOff : delayOn);
-    }
-}
-
-void showStatus() {
-    if (wifiConnected()) {
-        if (WiFi.getMode() == WIFI_AP) {
-            blink(2000, 2000);
-        } else {
-            blink(5000, 500);
-        }
-    } else {
-        blink(500, 500);
-    }
-}
-
 void hardwareSetup() {
     Serial.begin(SERIAL_BAUDRATE);
-    pinMode(LED_PIN, OUTPUT);
     SPIFFS.begin();
 }
 
@@ -83,8 +60,6 @@ void getFSVersion(char * buffer) {
 
 void hardwareLoop() {
 
-    showStatus();
-
     // Heartbeat
     static unsigned long last_heartbeat = 0;
     if (mqttConnected()) {
@@ -129,6 +104,7 @@ void setup() {
 
     hardwareSetup();
     buttonSetup();
+    ledSetup();
 
     welcome();
 
@@ -173,6 +149,7 @@ void loop() {
 
     hardwareLoop();
     buttonLoop();
+    ledLoop();
     wifiLoop();
     otaLoop();
     mqttLoop();