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ESP8266_BasicHttpClient/ESP8266_BasicHttpClient.ino

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+/**
+ * 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
+} 
+
+
+