Particle Photon IoT board - Blink Bitcoin Price

main.c

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

int led2 = D7;
int count = 0;

int thousands;
int hundreds;
int tens;
int ones;
/**
* 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" },
    { "Accept" , "*/*"},
    { NULL, NULL } // NOTE: Always terminate headers will NULL
};

http_request_t request;
http_response_t response;

void setup() {

    pinMode(led2, OUTPUT);
}

void blink_count(int number, int ms){
    for(int i = 0; i < number; i++){
        digitalWrite(led2, HIGH);
        delay(ms);
        digitalWrite(led2, LOW);
        delay(ms);
    }
}

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

    // Request path and body can be set at runtime or at setup.
    request.hostname = "www.bitcoinexchangerate.org";
    request.port = 80;
    request.path = "/price-bitstamp.inc";

    // Get request
    if (count % 6 == 0) {
        http.get(request, response, headers);

        int price = (int)atof(response.body);
    

        thousands = (price / 10000) % 10;
        hundreds = (price / 100) % 10;
        tens = (price / 10) % 10;
        ones = price % 10;
    }
    
    blink_count(thousands, 1000);
    
    delay(2000);

    blink_count(hundreds, 250);
    
    delay(2000);
    
    blink_count(tens, 250);
    
    delay(2000);

    blink_count(ones, 250);
    

    nextTime = millis() + 10000;
}