#define BLYNK_TEMPLATE_ID "TMPL6EmM6N_Z-"
#define BLYNK_TEMPLATE_NAME "IOT"
#define BLYNK_AUTH_TOKEN "DfbAG7UpmVj3cv5nGYBzRrX3Ggk_BHq1"
#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>

char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

const int servoPin = 18;
BlynkTimer timer;
Servo servo;

boolean st;

void cek_koneksi(){ //fungsi cek koneksi dg Blynk
  st=Blynk.connected();//baca status koneksi
  Serial.print("stat Blynk: ");
  Serial.println(st);
  if(st!=true)ESP.restart();  /*ESP restart function*/
}

int pos = 0;
void my_timer()
{
  noInterrupts(); // Disable interrupts
  int safePos = pos; // Safely read the shared variable
  interrupts(); // Enable interrupts

  cek_koneksi();
  Blynk.virtualWrite(V1, safePos);
}

BLYNK_WRITE(V0)
{
  int safePos = 0;
  int range = param.asInt(); // Safely write to the shared variable
  if (range < 100)
  {
    safePos = 160;
  }
  else
  {
    safePos = 60;
  }
  noInterrupts(); // Disable interrupts
  pos = safePos; // Store the new value in a local variable
  interrupts(); // Enable interrupts
  
  servo.write(safePos);
  // Print the value to Serial Monitor
  Serial.print("posisi: ");
  Serial.print(safePos);
  Serial.println(" degree");
}

void setup() {
  // begin serial port
  int pos = 0;
  Serial.begin (9600);
  pinMode(23, OUTPUT);
  servo.attach(servoPin, 500, 2400);
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, my_timer);
  digitalWrite(23,HIGH);
  delay(1000);
  digitalWrite(23,LOW);
  delay(1000);  
}

void loop() {
  // put your main code here, to run repeatedly:
  Blynk.run();
  timer.run();
}