Allow to define just ON or OFF codes in rfbridge (#304)

code/espurna/rfbridge.ino

@@ -160,32 +160,36 @@ void _rfbDecode() {
         unsigned char id;
         unsigned char status = 0;
         bool found = false;
+
         for (id=0; id<relayCount(); id++) {
+
             String code_on = rfbRetrieve(id, true);
+            if (code_on.length() && code_on.endsWith(&buffer[12])) {
+                DEBUG_MSG_P(PSTR("[RFBRIDGE] Match ON code for relay %d\n"), id);
+                status = 1;
+                found = true;
+            }
+
             String code_off = rfbRetrieve(id, false);
-            if (code_on.length() && code_off.length()) {
-                if (code_on.endsWith(&buffer[12])) {
-                    DEBUG_MSG_P(PSTR("[RFBRIDGE] Match ON code for relay %d\n"), id);
-                    status = 1;
-                    found = true;
-                }
-                if (code_off.endsWith(&buffer[12])) {
-                    DEBUG_MSG_P(PSTR("[RFBRIDGE] Match OFF code for relay %d\n"), id);
-                    if (found) status = 2;
-                    found = true;
-                }
+            if (code_off.length() && code_off.endsWith(&buffer[12])) {
+                DEBUG_MSG_P(PSTR("[RFBRIDGE] Match OFF code for relay %d\n"), id);
+                if (found) status = 2;
+                found = true;
             }
-            if (found) break;
-        }
-        if (found) {
-            _rfbin = true;
-            if (status == 2) {
-                relayToggle(id);
-            } else {
-                relayStatus(id, status == 1);
+
+            if (found) {
+                _rfbin = true;
+                if (status == 2) {
+                    relayToggle(id);
+                } else {
+                    relayStatus(id, status == 1);
+                }
+                break;
             }
+
         }
 
+
     }
 
 }