Membaca Sensor Analog pada Intel Galileo menggunakan Agnost

#include <SPI.h>
#include <Ethernet.h>
 
// Update these with values suitable for your network.
byte mac[]      = { 0x98, 0x4F, 0xEE, 0x00, 0x70, 0x32 };
byte ip[]       = { 192, 168, 1, 100 };
byte dns[]      = { 192, 168, 1, 1 };
byte gateway[]  = { 192, 168, 1, 1 };
char server[]   = "agnosthings.com";
EthernetClient ethClient;
 
// set variabel pin & value sensor
const int pinSensorSuhu = A0;
int sensorSuhu = 0;
 
void setup()
{
    // Reset connection
    system("ifdown eth0");
    system("ifup eth0");
    delay(2000);
 
    // connecting network
    Serial.begin(9600);
    Serial.println("connecting...");
    if (Ethernet.begin(mac) != 1) {
      Ethernet.begin(mac, ip, dns, gateway);
    }
    delay(1000);
    Serial.print("Running on: ");
    Serial.println(Ethernet.localIP());
}
 
void loop()
{
    // read the analog in value:
    // map it to the range of the analog out:
    sensorSuhu = map(analogRead(pinSensorSuhu), 0, 1023, 0, 100);
 
    // ganti dengan URL API Push Feed punyamu sendiri
    String url_api  = "/bc0dfdba-f5be-11e5-8001-xxxxxxxxxxxx/feed?push=led={v_led},sensor={v_sensor}";
    url_api.replace("{v_led}", "");
    url_api.replace("{v_sensor}", String(sensorSuhu));
    Serial.println("Sensor Suhu: "+String(sensorSuhu));
 
    boolean requestStatus = httpRequest(url_api);
    if(requestStatus == true)
      Serial.println("Sending data success!");
    else
      Serial.println("Sending data failed!");
    Serial.println();
 
    // close any connection before send a new request.
    // This will free the socket on the Ethernet shield
    ethClient.stop();
    delay(1000);    
}
 
boolean httpRequest(String link) { 
  // if you get a connection, report back via serial:
  Serial.println("Push data to server");
  if (ethClient.connect(server, 80)) {
    // Make a HTTP request:
    ethClient.println("GET " + link + " HTTP/1.0");
    ethClient.println("Host: agnosthings.com");        
    ethClient.println();
    return true;  
  } else {
    // You couldn't make the connection   
    Serial.println("Connection Failed");
    ethClient.stop();
    return false;
  }
}