Support using lib as ESP IDF component.

ESP32 faster, we can lower delay.
Use UART custom define pin when retry.

CMakeLists.txt

@@ -0,0 +1,16 @@
+set(COMPONENT_SRCDIRS
+"src"
+)
+
+set(COMPONENT_ADD_INCLUDEDIRS
+"src"
+)
+
+set(COMPONENT_REQUIRES
+"arduino-esp32"
+)
+
+register_component()
+
+target_compile_definitions(${COMPONENT_TARGET} PUBLIC -DESP32)
+target_compile_options(${COMPONENT_TARGET} PRIVATE -fno-rtti)  

src/HeatPump.cpp

@@ -109,13 +109,13 @@ bool HeatPump::connect(HardwareSerial *serial, int bitrate, int rx, int tx) {
   if (rx >= 0 && tx >= 0) {
 #if defined(ESP32)
     rxPin = rx;
-    txPin = tx;        
+    txPin = tx;
     _HardSerial->begin(bitrate, SERIAL_8E1, rx, tx);
 #else
     _HardSerial->begin(bitrate, SERIAL_8E1);
-#endif    
+#endif
   } else {
-#if defined(ESP32)      
+#if defined(ESP32)
     _HardSerial->begin(bitrate, SERIAL_8E1, rxPin, txPin);
 #else
     _HardSerial->begin(bitrate, SERIAL_8E1);
@@ -125,8 +125,12 @@ bool HeatPump::connect(HardwareSerial *serial, int bitrate, int rx, int tx) {
     onConnectCallback();
   }
 
-  // settle before we start sending packets
+// settle before we start sending packets
+#if defined(ESP32)
+  delay(1000);
+#else
   delay(2000);
+#endif
 
   // send the CONNECT packet twice - need to copy the CONNECT packet locally
   byte packet[CONNECT_LEN];
@@ -136,7 +140,7 @@ bool HeatPump::connect(HardwareSerial *serial, int bitrate, int rx, int tx) {
   while(!canRead()) { delay(10); }
   int packetType = readPacket();
   if(packetType != RCVD_PKT_CONNECT_SUCCESS && retry){
-	  return connect(serial, 9600, rx, tx);
+	  return connect(serial, 9600, rxPin, txPin);
   }
   connected = (packetType == RCVD_PKT_CONNECT_SUCCESS);
   return connected;
@@ -637,7 +641,7 @@ int HeatPump::readPacket() {
               receivedSettings.fan         = lookupByteMapValue(FAN_MAP, FAN, 6, data[6]);
               receivedSettings.vane        = lookupByteMapValue(VANE_MAP, VANE, 7, data[7]);
               receivedSettings.wideVane    = lookupByteMapValue(WIDEVANE_MAP, WIDEVANE, 7, data[10] & 0x0F);
-		    wideVaneAdj = (data[10] & 0xF0) == 0x80 ? true : false;
+		      wideVaneAdj = (data[10] & 0xF0) == 0x80 ? true : false;
 
               if(settingsChangedCallback && receivedSettings != currentSettings) {
                 currentSettings = receivedSettings;