Add MKR GSM SSL Client example

Author: sandeepmistry

examples/MKRGSMSSLClient/MKRGSMSSLClient.ino

@@ -0,0 +1,95 @@
+/*
+  This example creates a client object that connects and transfers
+  data using always SSL.
+
+  It is compatible with the methods normally related to plain
+  connections, like client.connect(host, port).
+
+  Written by Arturo Guadalupi
+  last revision November 2015
+
+*/
+
+#include <MKRGSM.h>
+#include <ArduinoBearSSL.h>
+
+const char pin[] = "";
+const char apn[] = "apn";
+const char login[] = "login";
+const char password[] = "pass";
+
+// if you don't want to use DNS (and reduce your sketch size)
+// use the numeric IP instead of the name for the server:
+//IPAddress server(74,125,232,128);  // numeric IP for Google (no DNS)
+char server[] = "www.google.com";    // name address for Google (using DNS)
+
+GPRS gprs;
+GSM gsmAccess;
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server
+// that you want to connect to (port 80 is default for HTTP):
+GSMClient client;
+BearSSLClient sslClient(client);
+
+unsigned long getTime() {
+  return gsmAccess.getTime();
+}
+
+void setup() {
+  //Initialize serial and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+  // connection state
+  boolean notConnected = true;
+
+  // After starting the modem with GSM.begin()
+  // attach the shield to the GPRS network with the APN, login and password
+  while (notConnected) {
+    if ((gsmAccess.begin(pin) == GSM_READY) &
+        (gprs.attachGPRS(apn, login, password) == GPRS_READY)) {
+      notConnected = false;
+    } else {
+      Serial.println("Not connected");
+      delay(1000);
+    }
+  }
+
+  Serial.println("Connected to GPRS");
+
+  ArduinoBearSSL.onGetTime(getTime);
+
+  Serial.println("\nStarting connection to server...");
+  // if you get a connection, report back via serial:
+  if (sslClient.connect(server, 443)) {
+    Serial.println("connected to server");
+    // Make a HTTP request:
+    sslClient.println("GET /search?q=arduino HTTP/1.1");
+    sslClient.println("Host: www.google.com");
+    sslClient.println("Connection: close");
+    sslClient.println();
+  }
+}
+
+void loop() {
+  // if there are incoming bytes available
+  // from the server, read them and print them:
+  while (sslClient.available()) {
+    char c = sslClient.read();
+    Serial.write(c);
+  }
+
+  // if the server's disconnected, stop the client:
+  if (!sslClient.connected()) {
+    Serial.println();
+    Serial.println("disconnecting from server.");
+    sslClient.stop();
+
+    // do nothing forevermore:
+    while (true);
+  }
+}
+