Adafruit_MQTT_Library/examples/adafruitio_time_esp8266/adafruitio_time_esp8266.ino
2016-07-11 15:57:55 -04:00

82 lines
1.8 KiB
C++

#include <ESP8266WiFi.h>
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"
/************************* WiFi Access Point *********************************/
#define WLAN_SSID "network"
#define WLAN_PASS "password"
/************************* Adafruit.io Setup *********************************/
#define AIO_SERVER "io.adafruit.com"
#define AIO_SERVERPORT 8883
#define AIO_USERNAME "user"
#define AIO_KEY "key"
WiFiClientSecure client;
Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_USERNAME, AIO_KEY);
Adafruit_MQTT_Subscribe timefeed = Adafruit_MQTT_Subscribe(&mqtt, "time/seconds");
// set timezone offset from UTC
int timeZone = -4; // UTC - 4 eastern daylight time (nyc)
int interval = 4; // trigger every X hours
int hour = 0; // current hour
void timecallback(uint32_t current) {
// stash previous hour
int previous = hour;
// adjust to local time zone
current += (timeZone * 60 * 60);
// calculate current hour
hour = (current / 60 / 60) % 24;
// only trigger on interval
if((hour != previous) && (hour % interval) == 0) {
Serial.println("Run your code here");
}
}
void setup() {
Serial.begin(115200);
delay(10);
Serial.print(F("Adafruit IO Time Demo"));
WiFi.begin(WLAN_SSID, WLAN_PASS);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(F("."));
}
Serial.println(F(" WiFi connected."));
timefeed.setCallback(timecallback);
mqtt.subscribe(&timefeed);
}
void loop() {
int8_t code;
// connect to adafruit io if not connected
if(! mqtt.connected()) {
Serial.print("Connecting to Adafruit IO... ");
if((code = mqtt.connect()) != 0) {
Serial.println(mqtt.connectErrorString(code));
while(1);
}
Serial.println("connected!");
}
mqtt.processPackets(1000);
mqtt.ping();
}