#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define SERIAL_DEBUG_BAUD 115200
#define LED 12
#define button 13
// the Wifi radio's status
int status = WL_IDLE_STATUS;
void cekKoneksi()
{
if (digitalRead(button) == HIGH){
Serial.println("Initializing WiFi...");
WiFi.mode(WIFI_STA);
Serial.println("Setup done!");
Serial.println("Scanning...");
// WiFi.scanNetworks will return the number of networks found
int n = WiFi.scanNetworks();
Serial.println("Scan done!");
if (n == 0) {
Serial.println("No networks found.");
} else {
Serial.println();
Serial.print(n);
Serial.println(" networks found");
for (int i = 0; i < n; ++i) {
// Print SSID and RSSI for each network found
Serial.print(i + 1);
Serial.print(": ");
Serial.print(WiFi.SSID(i));
Serial.print(" (");
Serial.print(WiFi.RSSI(i));
Serial.print(")");
Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN) ? " " : "*");
delay(10);
}
}
Serial.println("");
// Wait a bit before scanning again
delay(5000);
Serial.println("Connecting to AP ...");
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("Connected to AP");
digitalWrite(LED, HIGH);
delay(500);
}
}
void reconnect() {
if (digitalRead(button) == HIGH){
status = WiFi.status();
if ( status != WL_CONNECTED) {
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("Connected to AP");
digitalWrite(LED, HIGH);
delay(500);
}
}
}
void setup() {
// initialize serial for debugging
Serial.begin(SERIAL_DEBUG_BAUD);
Serial.println();
pinMode(LED, OUTPUT);
pinMode(button, INPUT);
}
void loop() {
delay(1000);
cekKoneksi();
if (WiFi.status() != WL_CONNECTED) {
reconnect();
}
else {
Serial.print("WiFi sudah terkoneksi dengan ");
Serial.println(WIFI_SSID);
Serial.print("IP: ");
Serial.println(WiFi.localIP());
digitalWrite(LED, HIGH);
delay(200);
digitalWrite(LED, LOW);
}
}