50 lines
1.2 KiB
Arduino
50 lines
1.2 KiB
Arduino
 
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#include <Ethernet.h>
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#include <ArduinoHA.h>
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#define LED_PIN 9
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#define BROKER_ADDR IPAddress(192,168,0,17)
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byte mac[] = {0x00, 0x10, 0xFA, 0x6E, 0x38, 0x4A};
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EthernetClient client;
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HADevice device(mac, sizeof(mac));
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HAMqtt mqtt(client, device);
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HASwitch led("led", false); // "led" is unique ID of the switch. You should define your own ID.
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void onBeforeSwitchStateChanged(bool state, HASwitch* s)
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{
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// this callback will be called before publishing new state to HA
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// in some cases there may be delay before onStateChanged is called due to network latency
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}
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void onSwitchStateChanged(bool state, HASwitch* s)
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{
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digitalWrite(LED_PIN, (state ? HIGH : LOW));
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}
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void setup() {
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pinMode(LED_PIN, OUTPUT);
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digitalWrite(LED_PIN, LOW);
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// you don't need to verify return status
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Ethernet.begin(mac);
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// set device's details (optional)
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device.setName("Arduino");
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device.setSoftwareVersion("1.0.0");
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// set icon (optional)
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led.setIcon("mdi:lightbulb");
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led.setName("My LED");
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// handle switch state
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led.onBeforeStateChanged(onBeforeSwitchStateChanged); // optional
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led.onStateChanged(onSwitchStateChanged);
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mqtt.begin(BROKER_ADDR);
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}
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void loop() {
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Ethernet.maintain();
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mqtt.loop();
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}
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