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Jonas Linn
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Added another, much simpler led example. In this example the led can only turn on and off.
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‎.gitignore

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*.exe
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*.out
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*.app
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# Others
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.DS_STORE

‎examples/simplest_led/simplest_led.ino

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/*
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* simple_led.ino
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*
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* This accessory contains a builtin-led on ESP8266
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* Setup code: 111-11-111
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* The Flash-Button(D3, GPIO0) on NodeMCU:
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*
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* Created on: 2020-02-08
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* Author: Mixiaoxiao (Wang Bin)
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* Edited on: 2020-03-01
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* Edited by: euler271 (Jonas Linn)
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*/
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <arduino_homekit_server.h>
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#define PL(s) Serial.println(s)
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#define P(s) Serial.print(s)
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//D0 16 //led
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//D3 0 //flash button
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//D4 2 //led
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#define PIN_LED 16//D0
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const char *ssid = "your-ssid";
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const char *password = "your-password";
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void blink_led(int interval, int count) {
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for (int i = 0; i < count; i++) {
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builtinledSetStatus(true);
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delay(interval);
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builtinledSetStatus(false);
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delay(interval);
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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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Serial.setRxBufferSize(32);
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Serial.setDebugOutput(false);
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pinMode(PIN_LED, OUTPUT);
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WiFi.mode(WIFI_STA);
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WiFi.persistent(false);
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WiFi.disconnect(false);
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WiFi.setAutoReconnect(true);
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WiFi.begin(ssid, password);
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printf("\n");
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printf("SketchSize: %d B\n", ESP.getSketchSize());
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printf("FreeSketchSpace: %d B\n", ESP.getFreeSketchSpace());
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printf("FlashChipSize: %d B\n", ESP.getFlashChipSize());
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printf("FlashChipRealSize: %d B\n", ESP.getFlashChipRealSize());
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printf("FlashChipSpeed: %d\n", ESP.getFlashChipSpeed());
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printf("SdkVersion: %s\n", ESP.getSdkVersion());
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printf("FullVersion: %s\n", ESP.getFullVersion().c_str());
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printf("CpuFreq: %dMHz\n", ESP.getCpuFreqMHz());
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printf("FreeHeap: %d B\n", ESP.getFreeHeap());
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printf("ResetInfo: %s\n", ESP.getResetInfo().c_str());
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printf("ResetReason: %s\n", ESP.getResetReason().c_str());
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DEBUG_HEAP();
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homekit_setup();
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DEBUG_HEAP();
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blink_led(200, 3);
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}
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void loop() {
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homekit_loop();
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delay(5);
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}
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void builtinledSetStatus(bool on) {
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digitalWrite(PIN_LED, on ? LOW : HIGH);
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}
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//==============================
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// Homekit setup and loop
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//==============================
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extern "C" homekit_server_config_t config;
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extern "C" homekit_characteristic_t name;
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extern "C" void led_toggle();
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extern "C" void accessory_init();
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uint32_t next_heap_millis = 0;
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void homekit_setup() {
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accessory_init();
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uint8_t mac[WL_MAC_ADDR_LENGTH];
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WiFi.macAddress(mac);
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int name_len = snprintf(NULL, 0, "%s_%02X%02X%02X", name.value.string_value, mac[3], mac[4], mac[5]);
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char *name_value = (char*)malloc(name_len + 1);
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snprintf(name_value, name_len + 1, "%s_%02X%02X%02X", name.value.string_value, mac[3], mac[4], mac[5]);
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name.value = HOMEKIT_STRING_CPP(name_value);
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arduino_homekit_setup(&config);
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}
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void homekit_loop() {
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arduino_homekit_loop();
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uint32_t time = millis();
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if (time > next_heap_millis) {
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INFO("heap: %d, sockets: %d", ESP.getFreeHeap(), arduino_homekit_connected_clients_count());
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next_heap_millis = time + 5000;
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}
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}

‎examples/simplest_led/simplest_led_accessory.c

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/*
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* simple_led_accessory.c
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* Define the accessory in pure C language using the Macro in characteristics.h
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*
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* Created on: 2020-02-08
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* Author: Mixiaoxiao (Wang Bin)
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* Edited on: 2020-03-01
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* Edited by: euler271 (Jonas Linn)
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*/
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#include <Arduino.h>
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#include <homekit/types.h>
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#include <homekit/homekit.h>
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#include <homekit/characteristics.h>
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#include <stdio.h>
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#include <port.h>
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//const char * buildTime = __DATE__ " " __TIME__ " GMT";
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#define ACCESSORY_NAME ("ESP8266_LED")
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#define ACCESSORY_SN ("SN_0123456") //SERIAL_NUMBER
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#define ACCESSORY_MANUFACTURER ("Arduino Homekit")
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#define ACCESSORY_MODEL ("ESP8266")
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#define PIN_LED 2//D4
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bool led_power = false; //true or flase
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homekit_value_t led_on_get() {
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return HOMEKIT_BOOL(led_power);
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}
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void led_on_set(homekit_value_t value) {
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if (value.format != homekit_format_bool) {
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printf("Invalid on-value format: %d\n", value.format);
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return;
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}
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led_power = value.bool_value;
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led_update();
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}
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homekit_characteristic_t name = HOMEKIT_CHARACTERISTIC_(NAME, ACCESSORY_NAME);
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homekit_characteristic_t serial_number = HOMEKIT_CHARACTERISTIC_(SERIAL_NUMBER, ACCESSORY_SN);
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homekit_characteristic_t led_on = HOMEKIT_CHARACTERISTIC_(ON, false, .getter=led_on_get, .setter=led_on_set);
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void led_update() {
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if (led_power) {
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printf("ON\n");
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digitalWrite(PIN_LED, LOW);
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} else {
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printf("OFF\n");
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digitalWrite(PIN_LED, HIGH);
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}
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}
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void led_toggle() {
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led_on.value.bool_value = !led_on.value.bool_value;
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led_on.setter(led_on.value);
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homekit_characteristic_notify(&led_on, led_on.value);
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}
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void accessory_identify(homekit_value_t _value) {
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printf("accessory identify\n");
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for (int j = 0; j < 3; j++) {
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led_power = true;
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led_update();
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delay(100);
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led_power = false;
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led_update();
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delay(100);
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}
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}
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homekit_accessory_t *accessories[] =
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{
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HOMEKIT_ACCESSORY(
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.id = 1,
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.category = homekit_accessory_category_lightbulb,
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.services=(homekit_service_t*[]){
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HOMEKIT_SERVICE(ACCESSORY_INFORMATION,
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.characteristics=(homekit_characteristic_t*[]){
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&name,
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HOMEKIT_CHARACTERISTIC(MANUFACTURER, ACCESSORY_MANUFACTURER),
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&serial_number,
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HOMEKIT_CHARACTERISTIC(MODEL, ACCESSORY_MODEL),
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HOMEKIT_CHARACTERISTIC(FIRMWARE_REVISION, "0.0.1"),
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HOMEKIT_CHARACTERISTIC(IDENTIFY, accessory_identify),
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NULL
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}),
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HOMEKIT_SERVICE(LIGHTBULB, .primary=true,
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.characteristics=(homekit_characteristic_t*[]){
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HOMEKIT_CHARACTERISTIC(NAME, "Led"),
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&led_on,
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NULL
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}),
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NULL
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}),
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NULL
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};
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homekit_server_config_t config = {
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.accessories = accessories,
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.password = "111-11-111",
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//.on_event = on_homekit_event,
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.setupId = "ABCD"
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};
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void accessory_init() {
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pinMode(PIN_LED, OUTPUT);
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led_update();
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}

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