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kholilurr 2024-07-18 14:51:05 +07:00
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#include <WiFi.h>
#include <WiFiUdp.h>
#include <PubSubClient.h>
#include <ESP32Servo.h>
#include <Wire.h>
#include <RTClib.h>
#include <NTPClient.h>
#include <TimeLib.h>
const char* ssid = "SKK - STUDENT";
const char* password = "sistemkomputerkontrol";
const char* mqtt_server = "54.251.81.137";
Servo servo1;
Servo servo2;
Servo servo3;
Servo servo4;
Servo servo5;
#define SERVO1_PIN 19
#define SERVO2_PIN 17
#define SERVO3_PIN 16
#define SERVO4_PIN 25
#define SERVO5_PIN 26
WiFiClient espClient;
PubSubClient client(espClient);
long lastMsg = 0;
char msg[500];
int value = 0;
#define relay1 13
const int trigPin = 5;
const int echoPin = 18;
#define SOUND_VELOCITY 0.034
long duration;
float distanceCm;
const int penyaluranOnHour = 4;
const int penyaluranOnMinute = 0;
const int penyaluranOffHour = 23;
const int penyaluranOffMinute = 0;
int currentMinute;
int currentHour;
const char* statusservo1 = "esp32/servo1";
const char* statusservo2 = "esp32/servo2";
const char* statusservo3 = "esp32/servo3";
const char* statusservo4 = "esp32/servo4";
const char* statusservo5 = "esp32/servo5";
const char* statusrelay1 = "esp32/relay1";
const char* statusmode = "esp32/mode";
bool autoMode = true;
String servo1Status = "off";
String servo2Status = "off";
String servo3Status = "off";
String servo4Status = "off";
String servo5Status = "off";
String relay1Status = "off";
RTC_DS3231 rtc;
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "id.pool.ntp.org", 25200, 60000); // 25200 seconds is UTC+7 for WIB
String ntpTimeString;
String rtcTimeString;
bool rtcAvailable = true;
void wifiConfig() {
delay(10);
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("WiFi connected - ESP32 client IP address: ");
Serial.println(WiFi.localIP());
}
void callback(char* topic, byte* message, unsigned int length) {
Serial.print("Message arrived on topic: ");
Serial.print(topic);
Serial.print(". Message: ");
String messageTemp;
for (int i = 0; i < length; i++) {
Serial.print((char)message[i]);
messageTemp += (char)message[i];
}
Serial.println();
if (strcmp(topic, statusmode) == 0) {
if (messageTemp == "auto" && !autoMode) {
autoMode = true;
client.publish(statusmode, "auto");
} else if (messageTemp == "manual" && autoMode) {
autoMode = false;
client.publish(statusmode, "manual");
digitalWrite(relay1, HIGH);
digitalWrite(4, LOW);
client.publish(statusrelay1, "off");
}
}
if (!autoMode) {
kontrolAirManual(topic, messageTemp);
}
}
void reconnect() {
while (!client.connected()) {
Serial.print("Attempting MQTT connection...");
if (client.connect("ESP32Client")) {
Serial.println("connected");
client.subscribe("switch/servo1");
client.subscribe("switch/servo2");
client.subscribe("switch/servo3");
client.subscribe("switch/servo4");
client.subscribe("switch/servo5");
client.subscribe("switch/relay1");
client.subscribe(statusmode);
} else {
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
delay(5000);
}
}
}
void setup() {
pinMode(12, OUTPUT);
pinMode(14, OUTPUT);
pinMode(27, OUTPUT);
pinMode(15, OUTPUT);
pinMode(2, OUTPUT);
pinMode(4, OUTPUT);
pinMode(relay1, OUTPUT);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
servo1.attach(SERVO1_PIN);
servo2.attach(SERVO2_PIN);
servo3.attach(SERVO3_PIN);
servo4.attach(SERVO4_PIN);
servo5.attach(SERVO5_PIN);
digitalWrite(12, LOW);
digitalWrite(14, LOW);
digitalWrite(27, LOW);
digitalWrite(2, LOW);
digitalWrite(4, LOW);
digitalWrite(15, LOW);
digitalWrite(relay1, HIGH);
Serial.begin(9600);
wifiConfig();
client.setServer(mqtt_server, 1883);
client.setCallback(callback);
Wire.begin(21, 22);
}
void loop() {
if (WiFi.status() == WL_CONNECTED) {
if (!client.connected()) {
reconnect();
}
client.loop();
if (!rtc.begin()) {
Serial.println("Couldn't find RTC");
rtcAvailable = false;
}
timeClient.begin(); // Start NTP client
timeClient.update(); // Retrieve current epoch time from NTP server
unsigned long unix_epoch = timeClient.getEpochTime(); // Get epoch t
if (rtcAvailable) {
rtc.adjust(DateTime(unix_epoch)); // Set RTC time using NTP epoch time
} else {
setTime(unix_epoch); // Set system time using NTP epoch time
}
} else {
Serial.println("WiFi not connected. Running in offline mode.");
}
getJarak();
long now = millis();
if (now - lastMsg > 2000) {
lastMsg = now;
if (autoMode) {
kontrolAirAuto();
}
}
getTime();
}
void getTime() {
timeClient.update();
unsigned long unix_epoch = timeClient.getEpochTime();
byte second_ = second(unix_epoch);
currentMinute = minute(unix_epoch);
currentHour = hour(unix_epoch);
byte day_ = day(unix_epoch);
byte month_ = month(unix_epoch);
int year_ = year(unix_epoch);
ntpTimeString = String(currentHour) + ":" + String(currentMinute) + ":" + String(second_) + " " + String(day_) + "/" + String(month_) + "/" + String(year_);
client.publish("time/ntp", ntpTimeString.c_str());
if (rtcAvailable) {
DateTime rtcTime = rtc.now();
rtcTimeString = String(rtcTime.hour()) + ":" + String(rtcTime.minute()) + ":" + String(rtcTime.second()) + " " + String(rtcTime.day()) + "/" + String(rtcTime.month()) + "/" + String(rtcTime.year());
if (rtcTime != DateTime(year_, month_, day_, currentHour, currentMinute, second_)) {
rtc.adjust(DateTime(unix_epoch)); // Adjust RTC time if not synchronized
Serial.println("RTC time adjusted to NTP time");
} else {
Serial.println("Time is synchronized!"); // Print synchronization status
}
}
Serial.println("NTP Time: " + ntpTimeString);
if (rtcAvailable) {
Serial.println("RTC Time: " + rtcTimeString);
client.publish("time/rtc", rtcTimeString.c_str());
}
}
void kontrolAirAuto() {
pengisianAir(distanceCm);
kontrolPenampunganAir(distanceCm);
}
void kontrolAirManual(String topic, String messageTemp) {
if (topic == "switch/servo1") {
if (messageTemp != servo1Status) {
Serial.print("Penyaluran Air 1: ");
if (messageTemp == "on") {
servo1.write(60);
digitalWrite(12, HIGH);
Serial.println("On");
} else if (messageTemp == "off") {
servo1.write(0);
digitalWrite(12, LOW);
Serial.println("Off");
}
servo1Status = messageTemp;
}
}
if (topic == "switch/servo2") {
if (messageTemp != servo2Status) {
Serial.print("Penyaluran Air 2: ");
if (messageTemp == "on") {
servo2.write(60);
digitalWrite(14, HIGH);
Serial.println("On");
} else if (messageTemp == "off") {
servo2.write(0);
digitalWrite(14, LOW);
Serial.println("Off");
}
servo2Status = messageTemp;
}
}
if (topic == "switch/servo3") {
if (messageTemp != servo3Status) {
Serial.print("Penyaluran Air 3: ");
if (messageTemp == "on") {
servo3.write(60);
digitalWrite(27, HIGH);
Serial.println("On");
} else if (messageTemp == "off") {
servo3.write(0);
digitalWrite(27, LOW);
Serial.println("Off");
}
servo3Status = messageTemp;
}
}
if (topic == "switch/servo4") {
if (messageTemp != servo4Status) {
Serial.print("Penyaluran Air 4: ");
if (messageTemp == "on") {
servo4.write(60);
digitalWrite(15, HIGH);
Serial.println("On");
} else if (messageTemp == "off") {
servo4.write(0);
digitalWrite(15, LOW);
Serial.println("Off");
}
servo4Status = messageTemp;
}
}
if (topic == "switch/servo5") {
if (messageTemp != servo5Status) {
Serial.print("Penyaluran Air 5: ");
if (messageTemp == "on") {
servo5.write(60);
digitalWrite(2, HIGH);
Serial.println("On");
} else if (messageTemp == "off") {
servo5.write(0);
digitalWrite(2, LOW);
Serial.println("Off");
}
servo5Status = messageTemp;
}
}
if (topic == "switch/relay1") {
if (messageTemp != relay1Status) {
Serial.print("Pengisian Air : ");
if (messageTemp == "on") {
digitalWrite(relay1, LOW);
digitalWrite(4, HIGH);
Serial.println("On");
} else if (messageTemp == "off") {
digitalWrite(relay1, HIGH);
digitalWrite(4, LOW);
Serial.println("Off");
}
relay1Status = messageTemp;
}
}
}
void getJarak() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distanceCm = duration * SOUND_VELOCITY / 2;
Serial.print("Distance (cm): ");
Serial.println(distanceCm);
char jarakCm[8];
dtostrf(distanceCm, 1, 2, jarakCm);
client.publish("esp32/jarak", jarakCm);
// client.publish("esp32/statusAir", "Penyaluran Air Ditutup");
}
void kontrolPenampunganAir(int distanceCm) {
if (distanceCm == 2) {
Serial.println("Air sudah penuh");
kontrolPenyaluranAir(true, currentHour, currentMinute);
client.publish("esp32/statusAir", "Penyaluran Air Dibuka");
} else if (distanceCm > 2 && distanceCm <= 15) {
Serial.println("Menunggu air penuh");
} else if (distanceCm > 15) {
Serial.println("Penyaluran Air ditutup");
kontrolPenyaluranAir(false, currentHour, currentMinute);
client.publish("esp32/statusAir", "Penyaluran Air Ditutup");
}
}
void pengisianAir(int distanceCm) {
if (distanceCm > 2 && distanceCm <= 20) {
Serial.println("Pengisian Air dilakukan");
digitalWrite(relay1, LOW);
digitalWrite(4, HIGH);
client.publish(statusrelay1, "on");
} else if (distanceCm <= 2) {
Serial.println("Air Sudah Penuh, Pengisian Air Berhenti");
digitalWrite(relay1, HIGH);
digitalWrite(4, LOW);
client.publish(statusrelay1, "off");
}
}
void kontrolPenyaluranAir(bool status, int currentHour, int currentMinute) {
if (status) {
if ((currentHour > penyaluranOnHour || (currentHour == penyaluranOnHour && currentMinute >= penyaluranOnMinute)) && (currentHour < penyaluranOffHour || (currentHour == penyaluranOffHour && currentMinute < penyaluranOffMinute))) {
Serial.println("Jadwal Penyaluran Air dibuka");
servo1.write(60);
digitalWrite(12, HIGH);
Serial.println("Servo1 Hidup");
client.publish(statusservo1, "on");
servo2.write(60);
digitalWrite(14, HIGH);
Serial.println("Servo2 Hidup");
client.publish(statusservo2, "on");
servo3.write(60);
digitalWrite(27, HIGH);
Serial.println("Servo3 Hidup");
client.publish(statusservo3, "on");
servo4.write(60);
digitalWrite(15, HIGH);
Serial.println("Servo4 Hidup");
client.publish(statusservo4, "on");
servo5.write(60);
digitalWrite(2, HIGH);
Serial.println("Servo5 Hidup");
client.publish(statusservo5, "on");
} else {
Serial.println("Jadwal Penyaluran Air ditutup");
servo1.write(0);
digitalWrite(12, LOW);
Serial.println("Servo1 Mati");
client.publish(statusservo1, "off");
servo2.write(0);
digitalWrite(14, LOW);
Serial.println("Servo2 Mati");
client.publish(statusservo2, "off");
servo3.write(0);
digitalWrite(27, LOW);
Serial.println("Servo3 Mati");
client.publish(statusservo3, "off");
servo4.write(0);
digitalWrite(15, LOW);
Serial.println("Servo4 Mati");
client.publish(statusservo4, "off");
servo5.write(0);
digitalWrite(2, LOW);
Serial.println("Servo5 Mati");
client.publish(statusservo5, "off");
}
} else {
Serial.println("Menunggu Air bisa disalurkan");
servo1.write(0);
digitalWrite(12, LOW);
Serial.println("Servo1 Mati");
client.publish(statusservo1, "off");
servo2.write(0);
digitalWrite(14, LOW);
Serial.println("Servo2 Mati");
client.publish(statusservo2, "off");
servo3.write(0);
digitalWrite(27, LOW);
Serial.println("Servo3 Mati");
client.publish(statusservo3, "off");
servo4.write(0);
digitalWrite(15, LOW);
Serial.println("Servo4 Mati");
client.publish(statusservo4, "off");
servo5.write(0);
digitalWrite(2, LOW);
Serial.println("Servo5 Mati");
client.publish(statusservo5, "off");
}
}