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consider using epoch time

This commit is contained in:
Muhammad Izza Alfiansyah 2024-05-03 12:48:37 +07:00
parent 671be4010d
commit 9b99cf74cc
1 changed files with 56 additions and 13 deletions
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69
microcontroller/sketch_apr22a/sketch_apr22a.ino
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@ -4,6 +4,8 @@
#include <WiFi.h> #include <WiFi.h>
#include <Arduino_JSON.h> #include <Arduino_JSON.h>
#include <assert.h> #include <assert.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#define BOARD "ESP-32" #define BOARD "ESP-32"
#define MQPIN 34 #define MQPIN 34
@ -20,10 +22,14 @@
Supabase db; Supabase db;
LiquidCrystal_I2C lcd(0x27, 16, 2); LiquidCrystal_I2C lcd(0x27, 16, 2);
DHT dht(DHTPIN, 22); DHT dht(DHTPIN, 22);
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", 3600 * 7, 60000); // GMT +7
float suhu; float suhu;
float kelembaban; float kelembaban;
float persentaseKadarGas; float persentaseKadarGas;
bool pengujian;
JSONVar dataPengujian;
void setup(){ void setup(){
pinMode(MQPIN, INPUT); pinMode(MQPIN, INPUT);
@ -48,20 +54,29 @@ void setup(){
// inisialisasi WiFi // inisialisasi WiFi
Serial.print("Menghubungkan ke WiFi"); Serial.print("Menghubungkan ke WiFi");
WiFi.begin(WIFI_SSID, WIFI_PASSWORD); WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED)
{ delay(20000);
delay(100);
Serial.print("."); // menampilkan gagal terhubung ke jaringan pada LCD
if (WiFi.status() != WL_CONNECTED) {
lcd.setCursor(0, 0);
lcd.print("Gagal terhubung");
lcd.setCursor(0, 1);
lcd.print("ke jaringan!");
} }
Serial.println("Berhasil Terhubung!");
// inisialisasi waktu
timeClient.begin();
// inisialisasi supabase // inisialisasi supabase
db.begin(SUPABASE_URL, SUPABASE_ANON_KEY); db.begin(SUPABASE_URL, SUPABASE_ANON_KEY);
delay(20000); getDataPengujian();
} }
void loop(){ void loop(){
timeClient.update();
// mendapatkan nilai kadar gas // mendapatkan nilai kadar gas
float kadarGas = getKadarGas(); float kadarGas = getKadarGas();
float kadarGasVoltase = kadarGas / 4095.0 * 3.3; float kadarGasVoltase = kadarGas / 4095.0 * 3.3;
@ -108,6 +123,23 @@ void loop(){
digitalWrite(FANPIN, HIGH); digitalWrite(FANPIN, HIGH);
} }
// menentukan data masuk ke pengujian atau tidak berdasarkan jarak jam
long unsigned epochTimeNow = timeClient.getEpochTime();
if (dataPengujian.length() > 0) {
JSONVar dataPengujianTerakhir = dataPengujian[dataPengujian.length() - 1];
int created_time = dataPengujianTerakhir["created_time"];
int epochTimeDiff = epochTimeNow - created_time;
int jam = epochTimeDiff / 3600; // 1 jam = 3600 detik;
if (jam >= 6) {
pengujian = true;
} else {
pengujian = false;
}
}
// debugging menampilkan data pada serial // debugging menampilkan data pada serial
Serial.println("Voltase Kadar Gas : " + String(kadarGasVoltase)); Serial.println("Voltase Kadar Gas : " + String(kadarGasVoltase));
Serial.println("Persentase Kadar Gas : " + String(persentaseKadarGas) + " %"); Serial.println("Persentase Kadar Gas : " + String(persentaseKadarGas) + " %");
@ -145,13 +177,24 @@ float getPersentaseKadarGas(float voltase) {
// menyimpan kondisi tapai pada database // menyimpan kondisi tapai pada database
void insertKondisiTapai() { void insertKondisiTapai() {
JSONVar req; // JSONVar req;
req["suhu"] = (float) suhu; // req["suhu"] = (float) suhu;
req["kelembaban"] = (float) kelembaban; // req["kelembaban"] = (float) kelembaban;
req["kadar_gas"] = (float) persentaseKadarGas; // req["kadar_gas"] = (float) persentaseKadarGas;
req["pengujian"] = false; // req["pengujian"] = (bool) pengujian;
// req["created_time"] = (int) timeClient.getEpochTime();
String json = JSON.stringify(req); // String json = JSON.stringify(req);
db.insert("kondisi_tapai", json, false); // db.insert("kondisi_tapai", json, false);
// if (pengujian == true) {
// getDataPengujian();
// }
}
// mengambil data pengujian
void getDataPengujian() {
String json = db.from("kondisi_tapai").select("*").eq("pengujian", "TRUE").order("created_at", "asc", true).doSelect();
dataPengujian = JSON.parse(json);
} }