find_photon_http.ino

#include "application.h"
#include "HttpClient/HttpClient.h"

/**
* Declaring the variables.
*/
unsigned int nextTime = 0;    // Next time to contact the server
HttpClient http;

// Headers currently need to be set at init, useful for API keys etc.
http_header_t headers[] = {
    { "Content-Type", "application/json" },
    { "Accept" , "application/json" },
    { NULL, NULL } // NOTE: Always terminate headers will NULL
};

http_request_t request;
http_response_t response;

// // SWITCH
// unsigned int SLEEP = 0;
// void button_handler(system_event_t event, int duration, void* )
// {
//     if (!duration) { // just pressed
//         RGB.control(true);
//         if (SLEEP == 0) {
//             RGB.color(255,0,0);
//             SLEEP = 1; // sleep mode on
//         } else if (SLEEP == 1) {
//             RGB.color(0,255,0);
//             SLEEP = 2; // undefined mode
//         } else {
//             RGB.color(0,0,255);
//             SLEEP = 0;
//         }
//     }
//     else {    // just released
//         RGB.control(false);
//     }
// }

void setup() {
    Serial.begin(9600);
    // // SWITCH
    // System.on(button_status, button_handler);
}

void loop() {
    
    // // SWITCH
    // if (SLEEP == 1) {
    //     RGB.color(255,0,0);
    // }
    // if (SLEEP == 2) {
    //     RGB.color(0,255,0);
    // }

    if (nextTime > millis()) {
        return;
    }

    // // DEBUGGING
    // Serial.println();
    // Serial.println("Application>\tStart of Loop.");

    request.hostname = "ml2.internalpositioning.com";
    request.port = 80;
    request.path = "/track";


    request.body = "{\"group\":\"YOURGROUP\",\"username\":\"YOURUSERNAME\",\"location\":\"YOURLOCATION\",\"wifi-fingerprint\":[";
    WiFiAccessPoint aps[20];
    int found = WiFi.scan(aps, 20);
    for (int i=0; i<found; i++) {
        WiFiAccessPoint& ap = aps[i];
        char mac[17];
        sprintf(mac,"%02x:%02x:%02x:%02x:%02x:%02x",
         ap.bssid[0] & 0xff, ap.bssid[1] & 0xff, ap.bssid[2] & 0xff,
         ap.bssid[3] & 0xff, ap.bssid[4] & 0xff, ap.bssid[5] & 0xff);
        request.body = request.body + "{\"mac\":\"" + mac + "\",";
        float f = ap.rssi;
        String sf(f, 0);
        request.body = request.body + "\"rssi\":" + sf + "}";
        
        if (i < found -1 ) {
            request.body = request.body + ",";
        }
    }
    request.body = request.body + "]}";

    http.post(request, response, headers);
    
    // // DEBUGGING
    // Serial.println("Fingerprint:");
    // Serial.println(request.body);
    // Serial.print("Application>\tResponse status: ");
    // Serial.println(response.status);
    // Serial.print("Application>\tHTTP Response Body: ");
    // Serial.println(response.body);
    
    nextTime = millis() + 2000; // sends response every 5 seconds  (2 sec delay + ~3 sec for gathering signals)
    
    // // SWITCH
    // if (SLEEP == 1) {
    //     System.sleep(3);
    // } else {
    //     delay(3000);
    // }
}