Minor optimisation

- disable JSON live
- WS error string
- button irelevant check

Author: blazoncek

wled00/button.cpp

@@ -308,7 +308,7 @@ void handleButton()
         buttonLongPressed[b] = true;
       }
 
-    } else if (!isButtonPressed(b) && buttonPressedBefore[b]) { //released
+    } else if (buttonPressedBefore[b]) { //released
       long dur = now - buttonPressedTime[b];
 
       // released after rising-edge short press action

wled00/wled.h

@@ -36,7 +36,7 @@
   #undef WLED_ENABLE_ADALIGHT      // disable has priority over enable
 #endif
 //#define WLED_ENABLE_DMX          // uses 3.5kb (use LEDPIN other than 2)
-#define WLED_ENABLE_JSONLIVE     // peek LED output via /json/live (WS binary peek is always enabled)
+//#define WLED_ENABLE_JSONLIVE     // peek LED output via /json/live (WS binary peek is always enabled)
 #ifndef WLED_DISABLE_LOXONE
   #define WLED_ENABLE_LOXONE       // uses 1.2kb
 #endif
@@ -331,7 +331,7 @@ typedef class WiFiOptions {
     struct {
       uint8_t selectedWiFi : 4; // max 16 SSIDs
       uint8_t apChannel    : 4;
-      bool    apHide       : 1;
+      uint8_t apHide       : 3;
       uint8_t apBehavior   : 3;
       bool    noWifiSleep  : 1;
       bool    force802_3g  : 1;

wled00/ws.cpp

@@ -96,6 +96,8 @@ void wsEvent(AsyncWebSocket * server, AsyncWebSocketClient * client, AwsEventTyp
     //pong message was received (in response to a ping request maybe)
     DEBUG_PRINTLN(F("WS pong."));
 
+  } else {
+    DEBUG_PRINTLN(F("WS unknown event."));
   }
 }
 
@@ -104,10 +106,11 @@ void sendDataWs(AsyncWebSocketClient * client)
   if (!ws.count()) return;
 
   if (!requestJSONBufferLock(12)) {
+    const char* error = PSTR("{\"error\":3}");
     if (client) {
-      client->text(F("{\"error\":3}")); // ERR_NOBUF
+      client->text(FPSTR(error)); // ERR_NOBUF
     } else {
-      ws.textAll(F("{\"error\":3}")); // ERR_NOBUF
+      ws.textAll(FPSTR(error)); // ERR_NOBUF
     }
     return;
   }
@@ -120,6 +123,7 @@ void sendDataWs(AsyncWebSocketClient * client)
   size_t len = measureJson(*pDoc);
   DEBUG_PRINTF_P(PSTR("JSON buffer size: %u for WS request (%u).\n"), pDoc->memoryUsage(), len);
 
+  // the following may no longer be necessary as heap management has been fixed by @willmmiles in AWS
   size_t heap1 = ESP.getFreeHeap();
   DEBUG_PRINT(F("heap ")); DEBUG_PRINTLN(ESP.getFreeHeap());
   #ifdef ESP8266