// keyless

// DATA BLE ASUN

// 1. Amazfit T-Rex, Address: c3:39:ed:41:a4:a6

// 2. Mi Smart Band 4, Address: cd:0b:a8:85:32:1f

// 3. Mi Band 3, Address: eb:b0:13:96:32:16

// 4. B01_M4, Address: 02:fc:da:d7:dc:97

// BOARD: FireBeetle.esp32

// Flash : 80mhz

// upload : 921600

// progrmmer : avr ISP

// elco 1uf/10uf/25uf

// + ke EN  & - ke GND

// tidak perlu tekan apapun

#include <BLEDevice.h>

#include <BLEUtils.h>

#include <BLEScan.h>

#include <BLEAdvertisedDevice.h>  

#define kontak 2 // PIN D2

String knownBLEAddresses[] = {"c3:39:ed:41:a4:a6"}; //masukan address itag kalian AMAZFIT T RTEX

int device_found;

int scanTime = 1; //In seconds

BLEScan* pBLEScan;

class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {

    void onResult(BLEAdvertisedDevice advertisedDevice) {

        boolean dapat = false;

        for (int i = 0; i < (sizeof(knownBLEAddresses) / sizeof(knownBLEAddresses[0])); i++) {

            if (strcmp(advertisedDevice.getAddress().toString().c_str(), knownBLEAddresses[i].c_str()) == 0) {

                dapat = true;

                break; // Tambahkan break untuk efisiensi

            }

        }

        if (dapat == true) {

            Serial.println("asun86");

            Serial.println(advertisedDevice.getRSSI());      

            if (advertisedDevice.getRSSI() > -50) { // rssi = -60(dekat) || rssi = -90(jauh)

                device_found = true;

            } else {

                device_found = false;

            }

            advertisedDevice.getScan()->stop();

            delay(100);

        }

       //  Serial.printf("Advertised Device: %s \n", advertisedDevice.toString().c_str()); //hilangkan (//) untuk mencari address itag kalian

    }

};

void setup() {

    Serial.begin(115200); //Enable UART on ESP32

    Serial.println("Scanning..."); // Print Scanning

    pinMode(kontak, OUTPUT); //make BUILTIN_LED pin as output

    BLEDevice::init("");

    pBLEScan = BLEDevice::getScan(); //create new scan

    pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks()); //Init Callback Function

    pBLEScan->setActiveScan(true); //active scan uses more power, but get results faster

    pBLEScan->setInterval(100); // set Scan interval

    pBLEScan->setWindow(99);  // less or equal setInterval value

}

void loop() {

    // PERBAIKAN: Gunakan pointer BLEScanResults*

    BLEScanResults* foundDevices = pBLEScan->start(scanTime, false);

    if (device_found == true) {

        digitalWrite(kontak, HIGH);

        delay(10000);

    } else {

        digitalWrite(kontak, LOW);

    }

    pBLEScan->clearResults();   // delete results fromBLEScan buffer to release memory

    delay(100);

}

Mi Smart Band 4, Address: cd:0b:a8:85:32:1f

Amazfit T-Rex, Address: c3:39:ed:41:a4:a6

iTAG 1, Address: 53:23:7b:ac:93:a5

iTAG 2, Address: ff:ff:11:50:e9:9a

iTAG 3, Address: ff:ff:11:51:07:e2