Feature/network led

README.md

@@ -16,6 +16,23 @@ This module provides the network functionality for the OpenKNX stack.
 | RP2040 | WiFi | Integrated | KNX_IP_WIFI |                                                               |
 | RP2040 | LAN  | Integrated | KNX_IP_LAN  |                                                               |
 
+
+| Define         | Default  | Description           | Note                                    |
+|----------------|----------|-----------------------|-----------------------------------------|
+| OPENKNX_IP_LED | info2Led | used LED for IP state | set to 0 to disable the IP LED feature  |  
+
+## IP LED
+
+If OPENKNX_IP_LED is defined, the LED is representing the state of the network. 
+Possible values for OPENKNX_IP_LED: info1Led, info2Led, info3Led. Recommended value: info2Led
+
+| State                         | LED           | RGB-LED            | Note                                   |
+|-------------------------------|---------------|--------------------|----------------------------------------|
+| WLAN configuration missing    | Fast flashing | Red fast flashing  | Only for HW with WLA                   |
+| No connection to the network  | Off           | Red                |                                        |
+| No IP adress                  | Slow flashing | Yellow             |                                        |
+| IP adress assigned            | On            | Green              |                                        |
+
 ## OTA
 
 Mit dem Netzwerkmodul wird eine OTA (Over the air) Update Funktion der Firmware ermöglicht.

src/NetworkModule.cpp

@@ -390,9 +390,70 @@ void NetworkModule::checkLinkStatus()
 {
     if (!delayCheckMillis(_lastLinkCheck, 500)) return;
 
-    // Get current link state
-    bool newLinkState = connected();
+    // Get current network state
+    bool establishedState = established();
+    bool newLinkState;
+    if (establishedState)
+        newLinkState = true;  
+    else
+        newLinkState = connected();
+#ifdef OPENKNX_LED_IP && OPENKNX_LED_IP != 0
+    // update LED's
+    if (newLinkState && established())
+    {
+        if(_ipLedState != 1)
+        {
+            #ifdef OPENKNX_SERIALLED_ENABLE
+            openknx.OPENKNX_LED_IP.setColor(OPENKNX_SERIALLED_COLOR_GREEN);
+            #endif
+            openknx.OPENKNX_LED_IP.on();
+            _ipLedState = 1;
+        }
+    }
+    else if (newLinkState)
+    {
+        if(_ipLedState != 2)
+        {
+            #ifdef OPENKNX_SERIALLED_ENABLE
+            openknx.OPENKNX_LED_IP.setColor(OPENKNX_SERIALLED_COLOR_YELLOW);
+            openknx.OPENKNX_LED_IP.on();
+            #else
+            openknx.OPENKNX_LED_IP.blinking(1000);
+            #endif
 
+            _ipLedState = 2;
+        }
+    }
+    else
+    {
+#ifdef KNX_IP_WIFI
+        if (_wifiSSID[0] == 0 || _wifiPassphrase[0])
+        {
+            if(_ipLedState != 4)
+            {
+                #ifdef OPENKNX_SERIALLED_ENABLE
+                openknx.OPENKNX_LED_IP.setColor(OPENKNX_SERIALLED_COLOR_RED);
+                openknx.OPENKNX_LED_IP.blinking(500);
+                #else
+                openknx.OPENKNX_LED_IP.blinking(500);
+                #endif
+                _ipLedState = 4;
+            }
+        }
+        else
+#endif
+        if(_ipLedState != 3)
+        {
+            #ifdef OPENKNX_SERIALLED_ENABLE
+            openknx.OPENKNX_LED_IP.setColor(OPENKNX_SERIALLED_COLOR_RED);
+            openknx.OPENKNX_LED_IP.on();
+            #else
+            openknx.OPENKNX_LED_IP.off();
+            #endif
+            _ipLedState = 3;
+        }
+    }
+#endif
     // got link
     if (newLinkState && !_currentLinkState)
     {

src/NetworkModule.h

@@ -37,6 +37,10 @@
     #include "UsbExchangeModule.h"
 #endif
 
+#if !defined(OPENKNX_LED_IP) && defined(INFO2_LED_PIN) && KNX_SERVICE_FAMILY != 0x02 // IP-Router uses own LED implementation
+    #define OPENKNX_LED_IP info2Led
+#endif
+
 typedef std::function<void(bool)> NetworkChangeCallback;
 
 class NetworkModule : public OpenKNX::Module
@@ -93,6 +97,9 @@ class NetworkModule : public OpenKNX::Module
     bool _useMDNS = false;
     bool _otaAllowed = false;
     bool _otaHandle = false;
+#ifdef OPENKNX_LED_IP
+    uint8_t _ipLedState = 0;
+#endif
 #ifdef ARDUINO_ARCH_ESP32
     const uint16_t _otaPort = 3232;
     const char *_otaPortString = "3232";