berlingoesp

#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
String locationcode = "100";



//wifi at home
const char*  ssidthuis = "ssidhome";
const char*  passwordthuis = "pass1";
//If you have a 2nd hotspot on other place
const char*  ssidlet = "ssid2";
const char*  passwordlet = "pass2";
//thingspeak log
String apiKey = "FGGETUDSRFGTE8LNK5YGRHE"; //thingspeak API key,

//change pehacommand to your peha command !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!



String lokatie = "0";
const char* ssid  = ""; //temp ssid en password
const char* password = "";
String inData;//seriele recieve buffer
const char* server = "api.thingspeak.com";
String theDate; //Sat, 05 Nov 2016 13:30:29 GMT
WiFiClient client;

/////////////////subroutines
int find_text(String needle, String haystack) {
  int foundpos = -1;
  for (int i = 0; i <= haystack.length() - needle.length(); i++) {
    if (haystack.substring(i, needle.length() + i) == needle) {
      foundpos = i;
    }
  }
  return foundpos;
}
/////////////////////////peha wifi commando
void pehacommand()
{
  inData = "";//reset rs232 buffer
  HTTPClient http;
  http.begin("http://192.168.1.2:80/postEvent.html?action=input&STM=0&MOD=4&CHA=7&EVT=2"); //far buiten voetpad
  int httpCode = http.GET();
  if (httpCode > 0) {
    // file found at server
    if (httpCode == HTTP_CODE_OK) {
      String payload = http.getString();
      Serial.println(payload);
    }
  } else {
    Serial.printf("[HTTP] peha workt ok but  ..GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
  }
  http.end();
}
//////////////////thingspeak log sturen
void thingspeak(String field2data) {
  if (client.connect(server, 80)) { //   "184.106.153.149" or api.thingspeak.com
    String postStr = apiKey;
    postStr += "&field1="; //
    postStr +=  (locationcode);
    postStr += "&field2=";
    postStr += String(field2data ); //datawaarde
    //   postStr += "\r\n\r\n";
    client.print("POST /update HTTP/1.1\n");
    client.print("Host: api.thingspeak.com\n");
    client.print("Connection: close\n");
    client.print("X-THINGSPEAKAPIKEY: " + apiKey + "\n");
    client.print("Content-Type: application/x-www-form-urlencoded\n");
    client.print("Content-Length: ");
    client.print(postStr.length());
    client.print("\n\n");
    client.print(postStr);
    Serial.println(field2data + "  send  to Thingspeak");
    //  inData = ""; // Clear recieved buffer
  }
  client.stop();
}
////////////////wifi scanner
void wifiscan() {
  Serial.println("scan start");
  // WiFi.scanNetworks will return the number of networks found
  int n = WiFi.scanNetworks();
  Serial.println("scan done");
  if (n == 0)
    Serial.println("no networks found");
  else
  {
    Serial.print(n);
    Serial.println(" networks found");
    for (int i = 0; i < n; ++i)
    {
      // Print SSID and RSSI for each network found
      Serial.print(i + 1);
      Serial.print(": ");
      Serial.print(WiFi.SSID(i));
      Serial.print(" (");
      Serial.print(WiFi.RSSI(i));
      Serial.print(")");
      Serial.println((WiFi.encryptionType(i) == ENC_TYPE_NONE) ? " " : "*");
      delay(10);
    }
  }
  Serial.println("");
  // Wait a bit before scanning again
  delay(5000);
}

///wifi scanner
void zoekbekendewifis() {
  Serial.println("scan bekende wifis start");
  // WiFi.scanNetworks will return the number of networks found
  int n = WiFi.scanNetworks();
  // Serial.println("scan done");
  if (n == 0)
    //  Serial.println("no networks found");
    n = n;
  else
  {
    //   Serial.print(n);
    //  Serial.println(" networks found");
    for (int i = 0; i < n; ++i)
    {
      if (WiFi.SSID(i) == ssidthuis )
      {
        ssid = ssidthuis ;
        password = passwordthuis;
        digitalWrite(0, HIGH);   // led aan
        lokatie = "20"; // 20 is homespot in grafiek
        initWifi();
        pehacommand();
        thingspeak(lokatie);
        WiFi.disconnect();
        Serial.println("disconnected");
      }


      if (WiFi.SSID(i) == ssidlet )
      {
        ssid = ssidlet ;
        password = passwordlet;
        digitalWrite(2, HIGH);   // led aan
        lokatie = "10"; // 10=wifi from parents in grafiek
        initWifi();
        thingspeak(lokatie);
        //pehacommand();
        WiFi.disconnect();
        Serial.println("disconnected");
        break ; //we moeten niet weten welke wifis er nog zijn
      }
    }
  }
  //Serial.println("---");
}
/////////////uart
void uart() {
  while (Serial.available() > 0)
  {
    char recieved = Serial.read();
    inData += recieved;
    // Process message when new line character is recieved
    if (recieved == '!')
    { Serial.print("\nESP Received: "); //
      Serial.print(inData);
      if (inData == "rolop!") {
        pehacommand();
        inData = "";//reset rs232 buffer
      }
      if (inData == "wifi!")
      {
        Serial.println("\n" + WiFi.SSID()); //Gets the SSID of the current network
        inData = "";//reset rs232 buffer
      }
      if (inData == "thing!")
      {
        Serial.println("thingspeak");
        thingspeak(lokatie);
        inData = "";//reset rs232 buffer
      }
      if (inData == "scan!")
      {
        // Serial.println("thingspeak");
        wifiscan();
        inData = "";//reset rs232 buffer
      }
      if (inData == "zoekbekendewifis!")
      {
        // Serial.println("thingspeak");
        zoekbekendewifis() ;
        inData = "";//reset rs232 buffer
      }
    }
  }
}
////////////
void setup() {
  Serial.begin(115200);
  pinMode(0, OUTPUT);   //1 is de ingebouwde blauwe led op de esp-01   //2 is pin2   //0 is pin1
  pinMode(2, OUTPUT);   //1 is de ingebouwde blauwe led op de esp-01   //2 is pin2   //0 is pin1
  digitalWrite(0, LOW);   // led uit
  digitalWrite(2, LOW);   // led uit
  Serial.println("v12345vtm");
  zoekbekendewifis();
}

void loop() {
  uart();
  if (lokatie == "20" || lokatie == "10")
  {
    //we hebben al verbinding gehad , dus niks moet nog
    lokatie = "5";
    delay(60000);  //reset de lokatie waarde en wacht een minuut , zo kan je wegrijden  en is de lokatiecode gereset
    digitalWrite(0, LOW);   // led uit
    digitalWrite(2, LOW);   // led uit
    Serial.println("---");
    delay(60000);
    Serial.println("-----");
    delay(60000);
    Serial.println("--------");
    delay(60000);
  }
  else
  {
    zoekbekendewifis();
  }
  Serial.println (millis());
  delay (1000);
  Serial.println("----");
}

String getTime() {
  WiFiClient client;
  while (!!!client.connect("google.com", 80)) {
    Serial.println("connection failed, retrying...");
  }
  client.print("HEAD / HTTP/1.1\r\n\r\n");
  while (!!!client.available()) {
    yield();
  }
  while (client.available()) {
    if (client.read() == '\n') {
      if (client.read() == 'D') {
        if (client.read() == 'a') {
          if (client.read() == 't') {
            if (client.read() == 'e') {
              if (client.read() == ':') {
                client.read();
                theDate = client.readStringUntil('\r');
                client.stop();
                return theDate; //Sat, 05 Nov 2016 13:30:29 GMT
              }
            }
          }
        }
      }
    }
  }
}

void initWifi() {
  //WiFi.status() =
  //  WL_NO_SHIELD = 255,
  //WL_IDLE_STATUS = 0,
  //WL_NO_SSID_AVAIL = 1
  //WL_SCAN_COMPLETED = 2
  //WL_CONNECTED = 3
  //WL_CONNECT_FAILED = 4
  //WL_CONNECTION_LOST = 5
  //WL_DISCONNECTED = 6
  Serial.print(ssid);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    if (WiFi.status() == 1) //WL_NO_SSID_AVAIL = 1
    {
      Serial.println("1e ssid not found , try 2nd ssid ");
    }
  }
  Serial.print("\nWiFi connected, IP address: ");
  Serial.println(WiFi.localIP());
}