Optimization & bugfix for net debug.

- Inherited from Print class.
- Added UI option to disable net  debug output.

wled00/data/index.js

@@ -657,12 +657,13 @@ function populateInfo(i)
 	}
 	var vcn = "Kuuhaku";
 	if (i.ver.startsWith("0.14.")) vcn = "Hoshi";
-	if (i.ver.includes("-bl")) vcn = "Supāku";
+//	if (i.ver.includes("-bl")) vcn = "Supāku";
 	if (i.cn) vcn = i.cn;
 
 	cn += `v${i.ver} "${vcn}"<br><br><table>
 ${urows}
 ${urows===""?'':'<tr><td colspan=2><hr style="height:1px;border-width:0;color:gray;background-color:gray"></td></tr>'}
+${i.opt&0x100?inforow("Debug","<button class=\"btn btn-xs\" onclick=\"requestJson({'debug':"+(i.opt&0x0080?"false":"true")+"});\"><i class=\"icons "+(i.opt&0x0080?"on":"off")+"\">&#xe08f;</i></button>"):''}
 ${inforow("Build",i.vid)}
 ${inforow("Signal strength",i.wifi.signal +"% ("+ i.wifi.rssi, " dBm)")}
 ${inforow("Uptime",getRuntimeStr(i.uptime))}

wled00/json.cpp

@@ -255,6 +255,10 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
 {
   bool stateResponse = root[F("v")] | false;
 
+  #if defined(WLED_DEBUG) && defined(WLED_DEBUG_HOST)
+  netDebugEnabled = root[F("debug")] | netDebugEnabled;
+  #endif
+
   bool onBefore = bri;
   getVal(root["bri"], &bri);
 
@@ -679,9 +683,13 @@ void serializeInfo(JsonObject root)
 
   usermods.addToJsonInfo(root);
 
-  byte os = 0;
+  uint16_t os = 0;
   #ifdef WLED_DEBUG
   os  = 0x80;
+    #ifdef WLED_DEBUG_HOST
+    os |= 0x0100;
+    if (!netDebugEnabled) os &= ~0x0080;
+    #endif
   #endif
   #ifndef WLED_DISABLE_ALEXA
   os += 0x40;

wled00/net_debug.cpp

@@ -2,10 +2,8 @@
 
 #ifdef WLED_DEBUG_HOST
 
-NetworkDebugPrinter NetDebug;
-
-void NetworkDebugPrinter::print(const char *s, bool newline) {
-  if (!WLED_CONNECTED || !udpConnected || s == nullptr) return;
+size_t NetworkDebugPrinter::write(uint8_t c) {
+  if (!WLED_CONNECTED || !udpConnected) return 0;
 
   if (!debugPrintHostIP && !debugPrintHostIP.fromString(netDebugPrintHost)) {
     #ifdef ESP8266
@@ -19,57 +17,33 @@ void NetworkDebugPrinter::print(const char *s, bool newline) {
     #endif
   }
 
-  WiFiUDP debugUdp;
   debugUdp.beginPacket(debugPrintHostIP, netDebugPrintPort);
-  debugUdp.write(reinterpret_cast<const uint8_t *>(s), strlen(s));
-  if (newline) debugUdp.write('\n');
+  debugUdp.write(c);
   debugUdp.endPacket();
+  return 1;
 }
 
-void NetworkDebugPrinter::print(const __FlashStringHelper* s, bool newline) {
-  char buf[512];
-  strncpy_P(buf, (PGM_P)s, 512);
-  print(buf, newline);
+size_t NetworkDebugPrinter::write(const uint8_t *buf, size_t size) {
+  if (!WLED_CONNECTED || !udpConnected || buf == nullptr) return 0;
+
+  if (!debugPrintHostIP && !debugPrintHostIP.fromString(netDebugPrintHost)) {
+    #ifdef ESP8266
+      WiFi.hostByName(netDebugPrintHost, debugPrintHostIP, 750);
+    #else
+      #ifdef WLED_USE_ETHERNET
+        ETH.hostByName(netDebugPrintHost, debugPrintHostIP);
+      #else
+        WiFi.hostByName(netDebugPrintHost, debugPrintHostIP);
+      #endif
+    #endif
+  }
+
+  debugUdp.beginPacket(debugPrintHostIP, netDebugPrintPort);
+  debugUdp.write(buf, size);
+  debugUdp.endPacket();
+  return size;
 }
 
-void NetworkDebugPrinter::print(String s) {
-  print(s.c_str());
-}
-
-void NetworkDebugPrinter::print(unsigned int n, bool newline) {
-  char s[10];
-  snprintf_P(s, sizeof(s), PSTR("%d"), n);
-  s[9] = '\0';
-  print(s, newline);
-}
-
-void NetworkDebugPrinter::println() {
-  print("", true);
-}
-
-void NetworkDebugPrinter::println(const char *s) {
-  print(s, true);
-}
-
-void NetworkDebugPrinter::println(const __FlashStringHelper* s) {
-  print(s, true);
-}
-
-void NetworkDebugPrinter::println(String s) {
-  print(s.c_str(), true);
-}
-
-void NetworkDebugPrinter::println(unsigned int n) {
-  print(n, true);
-}
-
-void NetworkDebugPrinter::printf(const char *fmt...) {
-  va_list args;
-  va_start(args, fmt);
-  char s[1024];
-  vsnprintf(s, sizeof(s), fmt, args);
-  va_end(args);
-  print(s);
-}
+NetworkDebugPrinter NetDebug;
 
 #endif

wled00/net_debug.h

@@ -4,20 +4,13 @@
 #include <WString.h>
 #include <WiFiUdp.h>
 
-class NetworkDebugPrinter {
-private:
+class NetworkDebugPrinter : public Print {
+  private:
+    WiFiUDP debugUdp; // needs to be here otherwise UDP messages get truncated upon destruction
     IPAddress debugPrintHostIP;
-public:
-    void print(const char *s, bool newline = false);
-    void print(const __FlashStringHelper* s, bool newline = false);
-    void print(String s);
-    void print(unsigned int n, bool newline = false);
-    void println();
-    void println(const char *s);
-    void println(const __FlashStringHelper* s);
-    void println(String s);
-    void println(unsigned int n);
-    void printf(const char *fmt, ...);
+  public:
+    virtual size_t write(uint8_t c);
+    virtual size_t write(const uint8_t *buf, size_t s);
 };
 
 extern NetworkDebugPrinter NetDebug;

wled00/wled.h

@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2211050
+#define VERSION 2211100
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG
@@ -677,6 +677,7 @@ WLED_GLOBAL volatile uint8_t jsonBufferLock _INIT(0);
   // On the host side, use netcat to receive the log statements: nc -l 7868 -u
   // use -D WLED_DEBUG_HOST='"192.168.xxx.xxx"' or FQDN within quotes
   #define DEBUGOUT NetDebug
+  WLED_GLOBAL bool netDebugEnabled _INIT(true);
   WLED_GLOBAL char netDebugPrintHost[33] _INIT(WLED_DEBUG_HOST);
   #if defined(WLED_DEBUG_NET_PORT)
   WLED_GLOBAL int netDebugPrintPort _INIT(WLED_DEBUG_PORT);