Removed parent class

src/TinyGsmClientSIM800.h

@@ -42,7 +42,7 @@ enum TinyGSMDateTimeFormat {
   DATE_DATE = 2
 };
 
-class TinyGsmSim800 : public TinyGsmModem
+class TinyGsmSim800
 {
 
 public:
@@ -240,7 +240,7 @@ public:
 public:
 
   TinyGsmSim800(Stream& stream)
-    : TinyGsmModem(stream), stream(stream)
+    : stream(stream)
   {
     memset(sockets, 0, sizeof(sockets));
   }
@@ -265,6 +265,10 @@ public:
     return true;
   }
 
+  bool begin(const char* pin = NULL) {
+    return init(pin);
+  }
+
   String getModemName() {
     #if defined(TINY_GSM_MODEM_SIM800)
       return "SIMCom SIM800";
@@ -495,6 +499,16 @@ public:
     return (s == REG_OK_HOME || s == REG_OK_ROAMING);
   }
 
+  bool waitForNetwork(unsigned long timeout = 60000L) {
+    for (unsigned long start = millis(); millis() - start < timeout; ) {
+      if (isNetworkConnected()) {
+        return true;
+      }
+      delay(250);
+    }
+    return false;
+  }
+
   /*
    * GPRS functions
    */
@@ -632,6 +646,10 @@ public:
     return res;
   }
 
+  IPAddress localIP() {
+    return TinyGsmIpFromString(getLocalIP());
+  }
+
 
   /*
    * Phone Call functions
@@ -941,6 +959,17 @@ public:
    Utilities
    */
 
+  template<typename T>
+  void streamWrite(T last) {
+    stream.print(last);
+  }
+
+  template<typename T, typename... Args>
+  void streamWrite(T head, Args... tail) {
+    stream.print(head);
+    streamWrite(tail...);
+  }
+
   template<typename... Args>
   void sendAT(Args... cmd) {
     streamWrite("AT", cmd..., GSM_NL);
@@ -949,6 +978,19 @@ public:
     //DBG("### AT:", cmd...);
   }
 
+  bool streamSkipUntil(const char c, const unsigned long timeout = 1000L) {
+    unsigned long startMillis = millis();
+    while (millis() - startMillis < timeout) {
+      while (millis() - startMillis < timeout && !stream.available()) {
+        TINY_GSM_YIELD();
+      }
+      if (stream.read() == c) {
+        return true;
+      }
+    }
+    return false;
+  }
+
   // TODO: Optimize this!
   uint8_t waitResponse(uint32_t timeout, String& data,
                        GsmConstStr r1=GFP(GSM_OK), GsmConstStr r2=GFP(GSM_ERROR),