gistfile1.txt

// Simple demo for feeding some random data to Pachube.
// 2011-07-08 <jc@wippler.nl> http://opensource.org/licenses/mit-license.php

#include <EtherCard.h>
#include <SHT1x.h>

#define PROXY 1  // set to 1 to enable proxy

#if PROXY
static byte proxy[] = { 192, 168, 1, 1 };
static uint16_t proxyport = 8118;
#endif

// change these settings to match your own setup
#define FEED    "35832"
#define APIKEY  "myapikey"

// Specify data and clock connections and instantiate SHT1x object
#define dataPin  4
#define clockPin 3
SHT1x sht1x(dataPin, clockPin);



// ethernet interface mac address, must be unique on the LAN
byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 };

char website[] PROGMEM = "api.pachube.com";

byte Ethernet::buffer[700];
uint32_t timer;
Stash stash;

void setup () {
  Serial.begin(115200);
  Serial.println("\n[webClient]");

  if (ether.begin(sizeof Ethernet::buffer, mymac, 10) == 0) 
    Serial.println( "Failed to access Ethernet controller");
  if (!ether.dhcpSetup())
    Serial.println("DHCP failed");

  ether.printIp("IP:  ", ether.myip);
  ether.printIp("GW:  ", ether.gwip);  
  ether.printIp("DNS: ", ether.dnsip);  

  if (!ether.dnsLookup(website))
    Serial.println("DNS failed");
    
  ether.printIp("SRV: ", ether.hisip);
}

void loop () {
  ether.packetLoop(ether.packetReceive());
  
  if (millis() > timer) {
    timer = millis() + 10000;
    
  float  temp_c;
  float temp_f;
  float humidity;

  // Read values from the sensor
  temp_c = sht1x.readTemperatureC();
  temp_f = sht1x.readTemperatureF();
  humidity = sht1x.readHumidity();
  
    // Print the values to the serial port
  Serial.print("Temperature: ");
  Serial.print(temp_c, 1);
  Serial.print("C / ");
  Serial.print(humidity);
  Serial.println("%");
    
    
    // generate two fake values as payload - by using a separate stash,
    // we can determine the size of the generated message ahead of time
    byte sd = stash.create();
    stash.print("4,");   // 5 est le numero du datastream
    stash.println( temp_c);
    stash.print("5,");
    stash.println( humidity);
    stash.save();
    
    // generate the header with payload - note that the stash size is used,
    // and that a "stash descriptor" is passed in as argument using "$H"
    Stash::prepare(PSTR("PUT http://$F/v2/feeds/$F.csv HTTP/1.0" "\r\n"
                        "Host: $F" "\r\n"
                        "X-PachubeApiKey: $F" "\r\n"
                        "Content-Length: $D" "\r\n"
                        "\r\n"
                        "$H"),
            website, PSTR(FEED), website, PSTR(APIKEY), stash.size(), sd);

    // send the packet - this also releases all stash buffers once done
    ether.tcpSend();
    

  }
}