test MQTT flood-publish (wanted as fast as poss sending)

mqtt_publish.ino

#include <NanodeUNIO.h>
#include <NanodeUIP.h>
#include <NanodeMQTT.h>

NanodeMQTT mqtt(&uip);
struct timer my_timer;

void setup() {
  byte macaddr[6];
  NanodeUNIO unio(NANODE_MAC_DEVICE);

  Serial.begin(38400);
  Serial.println("MQTT Publish test");
  
  unio.read(macaddr, NANODE_MAC_ADDRESS, 6);
  uip.init(macaddr);

  // FIXME: use DHCP instead
  uip.set_ip_addr(192, 168, 1, 53);
  uip.set_gateway_addr(192, 168, 1, 1);
  uip.set_netmask(255, 255, 255, 0);

  uip.wait_for_link();
  Serial.println("Link is up");

  // Setup a timer - publish every 5 seconds
//  timer_set(&my_timer, CLOCK_SECOND * 5);

  // FIXME: resolve using DNS instead
  //mqtt.set_server_addr(85, 119, 83, 194);
  mqtt.set_server_addr(192, 168, 1, 251);
  mqtt.connect();

  Serial.println("setup() done");
}
int x;
void loop() {
  uip.poll();

//  if(timer_expired(&my_timer)) {
//    timer_reset(&my_timer);
    if (mqtt.connected()) {
      Serial.println("Publishing...");
      mqtt.publish("nanode", "I'm Alive!");
      Serial.println("Published.");
    }
//  }
}