Add TinyGsmIpFromString(str)

TinyGsmClientA6.h

@@ -397,20 +397,7 @@ public:
   }
 
   IPAddress localIP() {
-    String strIP = getLocalIP();
-    int Parts[4] = {0,0,0,0};
-    int Part = 0;
-    for (uint8_t i=0; i<strIP.length(); i++) {
-      char c = strIP[i];
-      if (c == '.') {
-        Part++;
-        continue;
-      }
-      Parts[Part] *= 10;
-      Parts[Part] += c - '0';
-    }
-    IPAddress res(Parts[0], Parts[1], Parts[2], Parts[3]);
-    return res;
+    return TinyGsmIpFromString(getLocalIP());
   }
 
   /*

TinyGsmClientESP8266.h

@@ -292,20 +292,7 @@ public:
   }
 
   IPAddress localIP() {
-    String strIP = getLocalIP();
-    int Parts[4] = {0,0,0,0};
-    int Part = 0;
-    for (uint8_t i=0; i<strIP.length(); i++) {
-      char c = strIP[i];
-      if (c == '.') {
-        Part++;
-        continue;
-      }
-      Parts[Part] *= 10;
-      Parts[Part] += c - '0';
-    }
-    IPAddress res(Parts[0], Parts[1], Parts[2], Parts[3]);
-    return res;
+    return TinyGsmIpFromString(getLocalIP());
   }
 
 private:

TinyGsmClientM590.h

@@ -413,20 +413,7 @@ public:
   }
 
   IPAddress localIP() {
-    String strIP = getLocalIP();
-    int Parts[4] = {0,0,0,0};
-    int Part = 0;
-    for (uint8_t i=0; i<strIP.length(); i++) {
-      char c = strIP[i];
-      if (c == '.') {
-        Part++;
-        continue;
-      }
-      Parts[Part] *= 10;
-      Parts[Part] += c - '0';
-    }
-    IPAddress res(Parts[0], Parts[1], Parts[2], Parts[3]);
-    return res;
+    return TinyGsmIpFromString(getLocalIP());
   }
 
   /*

TinyGsmClientSIM800.h

@@ -545,20 +545,7 @@ public:
   }
 
   IPAddress localIP() {
-    String strIP = getLocalIP();
-    int Parts[4] = {0,0,0,0};
-    int Part = 0;
-    for (uint8_t i=0; i<strIP.length(); i++) {
-      char c = strIP[i];
-      if (c == '.') {
-        Part++;
-        continue;
-      }
-      Parts[Part] *= 10;
-      Parts[Part] += c - '0';
-    }
-    IPAddress res(Parts[0], Parts[1], Parts[2], Parts[3]);
-    return res;
+    return TinyGsmIpFromString(getLocalIP());
   }
 
   /*

TinyGsmClientXBee.h

@@ -392,20 +392,7 @@ fail:
   }
 
   IPAddress localIP() {
-    String strIP = getLocalIP();
-    int Parts[4] = {0,0,0,0};
-    int Part = 0;
-    for (uint8_t i=0; i<strIP.length(); i++) {
-      char c = strIP[i];
-      if (c == '.') {
-        Part++;
-        continue;
-      }
-      Parts[Part] *= 10;
-      Parts[Part] += c - '0';
-    }
-    IPAddress res(Parts[0], Parts[1], Parts[2], Parts[3]);
-    return res;
+    return TinyGsmIpFromString(getLocalIP());
   }
 
   /*
@@ -459,19 +446,8 @@ private:
     unsigned long startMillis = millis();
     while (stream.available() < 8 && millis() - startMillis < 30000) {};
     strIP = streamReadUntil('\r');  // read result
-    int Parts[4] = {0,0,0,0};
-    int Part = 0;
-    for (uint8_t i=0; i<strIP.length(); i++) {
-      char c = strIP[i];
-      if (c == '.') {
-        Part++;
-        continue;
-      }
-      Parts[Part] *= 10;
-      Parts[Part] += c - '0';
-    }
-    IPAddress res(Parts[0], Parts[1], Parts[2], Parts[3]);
-    return modemConnect(res, port);
+    IPAddress ip = TinyGsmIpFromString(IPaddr);
+    return modemConnect(ip, port);
   }
 
   int modemConnect(IPAddress ip, uint16_t port, uint8_t mux = 0) {

TinyGsmCommon.h

@@ -93,4 +93,19 @@ uint32_t TinyGsmAutoBaud(T& SerialAT)
   return 0;
 }
 
+IPAddress TinyGsmIpFromString(const String& strIP) {
+  int Parts[4] = {0,0,0,0};
+  int Part = 0;
+  for (uint8_t i=0; i<strIP.length(); i++) {
+    char c = strIP[i];
+    if (c == '.') {
+      Part++;
+      continue;
+    }
+    Parts[Part] *= 10;
+    Parts[Part] += c - '0';
+  }
+  return IPAddress(Parts[0], Parts[1], Parts[2], Parts[3]);
+}
+
 #endif