Add Connect Client and Time on main 2

src/main_2/main_2.ino

+#include <Bridge.h>
 #include <HttpClient.h>
 #include <Wire.h> 
 #include <LiquidCrystal_I2C.h>
 #include <ArduinoJson.h>
+#include <TimeLib.h>
 
 const int ledPin = 2;
 const int buttonPin = 4;
@@ -44,15 +46,21 @@ const byte digit_pattern[10] =
 unsigned int counter = 0;
 
 bool isSuccess;
-int year;
+int years;
 int humidity;
 int light;
 
 char json[] = "{\"success\":true,\"year\":3,\"humidity\":5,\"light\":10}";
 
+
+#define TIME_MSG_LEN  11   // time sync to PC is HEADER and unix time_t as ten ascii digits
+#define TIME_HEADER  255   // Header tag for serial time sync message
+
 void setup() {
   // put your setup code here, to run once:
   Serial.begin(9600);
+  InitializeClient();
+  Connect("https://tranquil-citadel-63668.herokuapp.com/api/status");
 
   pinMode(buttonPin, INPUT);
   
@@ -82,7 +90,8 @@ void loop() {
   digit_base = 10;
 
   // get the value to be displayed and update one digit
-  update_one_digit(counter % digit_base);
+  //update_one_digit(counter % digit_base);
+  update_one_digit(GetCurrentTime());
   
   lcd.setCursor(0,0);
   lcd.autoscroll();
@@ -165,7 +174,7 @@ void ReadJson() {
     return;
   }
   isSuccess = jsonReader["success"];
-  year = jsonReader["year"];
+  years = jsonReader["year"];
   humidity = jsonReader["humidity"];
   light = jsonReader["light"];
   
@@ -176,7 +185,7 @@ void ReadJson() {
 char* GenerateJSONString() {
   char buff[12];
   char* totalString, yearString, humidityString, lightString;
-  yearString = itoa(year,buff,10);
+  yearString = itoa(years,buff,10);
   humidityString = itoa(humidity,buff,10);
   lightString = itoa(light,buff,10);
   
@@ -184,3 +193,51 @@ char* GenerateJSONString() {
   return (totalString);
 }
 
+int GetCurrentTime() {
+  if (Serial.available()) {
+    GetPCTime();
+  }
+  if(timeStatus() != timeNotSet) {
+    return(year()); 
+  } else {
+    return (0);
+  }
+}
+
+
+void GetPCTime() {
+  // if time available from serial port, sync the DateTime library
+  while(Serial.available() >=  TIME_MSG_LEN ){  // time message
+    if( Serial.read() == TIME_HEADER ) {        
+      time_t pctime = 0;
+      for(int i=0; i < TIME_MSG_LEN -1; i++){  
+        char charRead= Serial.read();          
+        if( charRead >= '0' && charRead <= '9') {
+            pctime = (10 * pctime) + (charRead - '0') ; // convert digits to a number
+        }
+      }
+      setTime(pctime);
+    }
+  }
+}
+
+void InitializeClient() {
+  pinMode(13, OUTPUT);
+  digitalWrite(13, LOW);
+  Bridge.begin();
+  //Serial.begin(9600);
+  //while(!Serial);
+}
+
+void Connect(const char* url) {
+  HttpClient client;
+  client.get(url);
+
+  while (client.available()) {
+    const char* clientRead = client.read();
+    Serial.print(clientRead);
+  }
+  Serial.flush();
+
+  //delay(5000);
+}