Issue #75. User defined links between relays and LEDs

code/espurna/config/hardware.h

@@ -13,8 +13,10 @@
 //   - BUTTON_SET_PULLUP: set pullup by software
 // RELAY#_PIN: GPIO for the n-th relay (1-based, up to 4 relays)
 // RELAY#_PIN_INVERSE: Relay has inversed logic (closed or ON when pulled down)
+// RELAY#_LED: LED number that will be bind to the n-th relay (1-based)
 // LED#_PIN: GPIO for the n-th LED (1-based, up to 4 LEDs)
 // LED#_PIN_INVERSE: LED has inversed logic (lit when pulled down)
+// WIFI_LED: LED number that will used for WIFI notifications (1-based, defaults to 1)
 
 // -----------------------------------------------------------------------------
 // Development boards
@@ -379,3 +381,20 @@
 #ifndef BUTTON4_RELAY
 #define BUTTON4_RELAY       0
 #endif
+
+#ifndef RELAY1_LED
+#define RELAY1_LED          0
+#endif
+#ifndef RELAY2_LED
+#define RELAY2_LED          0
+#endif
+#ifndef RELAY3_LED
+#define RELAY3_LED          0
+#endif
+#ifndef RELAY4_LED
+#define RELAY4_LED          0
+#endif
+
+#ifndef WIFI_LED
+#define WIFI_LED            1
+#endif

code/espurna/led.ino

@@ -46,17 +46,19 @@ void ledBlink(unsigned char id, unsigned long delayOff, unsigned long delayOn) {
     }
 }
 
+#if WIFI_LED
 void showStatus() {
     if (wifiConnected()) {
         if (WiFi.getMode() == WIFI_AP) {
-            ledBlink(0, 2500, 2500);
+            ledBlink(WIFI_LED, 2500, 2500);
         } else {
-            ledBlink(0, 4900, 100);
+            ledBlink(WIFI_LED, 4900, 100);
         }
     } else {
-        ledBlink(0, 500, 500);
+        ledBlink(WIFI_LED, 500, 500);
     }
 }
+#endif
 
 void ledMQTTCallback(unsigned int type, const char * topic, const char * payload) {
 
@@ -142,7 +144,9 @@ void ledSetup() {
 }
 
 void ledLoop() {
-    if (ledAuto) showStatus();
+    #if WIFI_LED
+        if (ledAuto) showStatus();
+    #endif
 }
 
 #else

code/espurna/relay.ino

@@ -15,6 +15,7 @@ Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
 typedef struct {
     unsigned char pin;
     bool reverse;
+    unsigned char led;
 } relay_t;
 std::vector<relay_t> _relays;
 
@@ -133,6 +134,10 @@ bool relayStatus(unsigned char id, bool status, bool report) {
             digitalWrite(_relays[id].pin, _relays[id].reverse ? !status : status);
         #endif
 
+        if (_relays[id].led > 0) {
+            ledStatus(_relays[id].led - 1, status);
+        }
+
         if (report) relayMQTT(id);
         if (!recursive) {
             relayPulse(id);
@@ -426,16 +431,16 @@ void relaySetup() {
     #else
 
         #ifdef RELAY1_PIN
-            _relays.push_back((relay_t) { RELAY1_PIN, RELAY1_PIN_INVERSE });
+            _relays.push_back((relay_t) { RELAY1_PIN, RELAY1_PIN_INVERSE, RELAY1_LED });
         #endif
         #ifdef RELAY2_PIN
-            _relays.push_back((relay_t) { RELAY2_PIN, RELAY2_PIN_INVERSE });
+            _relays.push_back((relay_t) { RELAY2_PIN, RELAY2_PIN_INVERSE, RELAY2_LED });
         #endif
         #ifdef RELAY3_PIN
-            _relays.push_back((relay_t) { RELAY3_PIN, RELAY3_PIN_INVERSE });
+            _relays.push_back((relay_t) { RELAY3_PIN, RELAY3_PIN_INVERSE, RELAY3_LED });
         #endif
         #ifdef RELAY4_PIN
-            _relays.push_back((relay_t) { RELAY4_PIN, RELAY4_PIN_INVERSE });
+            _relays.push_back((relay_t) { RELAY4_PIN, RELAY4_PIN_INVERSE, RELAY4_LED });
         #endif
 
     #endif