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