Arduino/ESP8266_BasicHttpClient/ESP8266_BasicHttpClient.ino

/**
 * BasicHTTPClient.ino
 *
 *  Created on: 24.05.2015
 *
 */

#include <Arduino.h>

#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>

#include <ESP8266HTTPClient.h>

#define USE_SERIAL Serial
// Time to sleep (in seconds):
const int sleepTimeS = 10;


ESP8266WiFiMulti WiFiMulti;

void setup() {

    USE_SERIAL.begin(115200);
   // USE_SERIAL.setDebugOutput(true);

    USE_SERIAL.println();
    USE_SERIAL.println();
    USE_SERIAL.println();

    for(uint8_t t = 4; t > 0; t--) {
        USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
        USE_SERIAL.flush();
        delay(1000);
    }
  WiFiMulti.addAP("Livebox-37cc", "8A6060920A8A86896F770F2C47");
}
void loop() {
  
    // wait for WiFi connection
    if((WiFiMulti.run() == WL_CONNECTED)) {
//
//        HTTPClient http;
//
//        USE_SERIAL.print("[HTTP] begin...\n");
        // configure traged server and url
        //http.begin("https://192.168.1.12/test.html", "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
        // http.begin("http://192.168.0.10/test.html"); //HTTP

      //  http.begin("http://192.168.0.10:8080/json.htm?type=devices&rid=290"); // + String(idRadiateurInDomoticz)

       getHttp("http://192.168.0.10:8080/json.htm?type=command&param=udevice&idx=288&nvalue=123&svalue=330");

       delay(1000);

       getHttp("http://192.168.0.10:8080/json.htm?type=command&param=udevice&idx=127&nvalue=123&svalue=300");


       delay(1000);

       getHttp("http://192.168.0.10:8080/json.htm?type=command&param=udevice&idx=196&nvalue=12&svalue=129");

       
       delay(1000);

       getHttp("http://192.168.0.10:8080/json.htm?type=command&param=udevice&idx=197&nvalue=13&svalue=100");
  
//        http.begin("http://192.168.0.10:8080/json.htm?type=command&param=udevice&idx=288&nvalue=123&svalue=330");
//        //http://192.168.0.10:8080/json.htm?type=devices&rid=290
//        USE_SERIAL.print("[HTTP] GET...\n");
//        // start connection and send HTTP header
//        int httpCode = http.GET();
//
//        // httpCode will be negative on error
//        if(httpCode > 0) {
//            // HTTP header has been send and Server response header has been handled
//            USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
//
//            // file found at server
//            if(httpCode == HTTP_CODE_OK) {
//                String reponse = http.getString();
//                USE_SERIAL.println(reponse.length());
//                int p = reponse.indexOf('Status');
//                int p2 = reponse.indexOf('StrParam1');
//                
//                String id = reponse.substring(p, p2);
//
//                USE_SERIAL.println(p);
//                USE_SERIAL.println(p2);
//                USE_SERIAL.println(reponse);
//                // String value = reponse.substring(p + 1, reponse.length() -1);
//            }
//        } else {
//            USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
//        }

       // http.end();
    }

    // delay(10000);

      // Sleep
    Serial.println("ESP8266 in sleep mode");
    //ESP.deepSleep(sleepTimeS * 1000000, WAKE_RFCAL);
   delay(60000);
}

void getHttp(String url) {

        HTTPClient http;

        USE_SERIAL.print("[HTTP] begin...\n");
  
    http.begin(url);
  //http://192.168.0.10:8080/json.htm?type=devices&rid=290
  USE_SERIAL.print("[HTTP] GET...\n");
  // start connection and send HTTP header
  int httpCode = http.GET();

  // httpCode will be negative on error
  if(httpCode > 0) {
      // HTTP header has been send and Server response header has been handled
      USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);

      // file found at server
      if(httpCode == HTTP_CODE_OK) {
          String reponse = http.getString();
          USE_SERIAL.println(reponse.length());
          int p = reponse.indexOf('Status');
          int p2 = reponse.indexOf('StrParam1');
          
          String id = reponse.substring(p, p2);

          USE_SERIAL.println(p);
          USE_SERIAL.println(p2);
          USE_SERIAL.println(reponse);
          // String value = reponse.substring(p + 1, reponse.length() -1);
      }
  } else {
      USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
  }
   http.end();
}
//--------------------------------------------------------------------------------------------------
// Read current supply voltage
//--------------------------------------------------------------------------------------------------
 long readVcc() {
   bitClear(PRR, PRADC); ADCSRA |= bit(ADEN); // Enable the ADC
   long result;
   // Read 1.1V reference against Vcc
   #if defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
    ADMUX = _BV(MUX5) | _BV(MUX0); // For ATtiny84
   #elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
    ADMUX = _BV(MUX3) | _BV(MUX2);
   #else
    ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);  // For ATmega328
   #endif
   // ADCSRB = 0;
   
   delay(2); // Wait for Vref to settle
   ADCSRA |= _BV(ADSC); // Convert
   while (bit_is_set(ADCSRA,ADSC));
   result = ADCL;
   result |= ADCH<<8;
   result = 1126400L / result; // Back-calculate Vcc in mV
   // ADCSRA &= ~ bit(ADEN); bitSet(PRR, PRADC); // Disable the ADC to save power
   
   // analogReference(DEFAULT);
    
   return result; // Vcc in millivolts
}