kicap/air-quality-iot
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improve code, remove redundant code

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kicap
2026-01-30 13:25:24 +08:00
parent 5c8342d836
commit 5dde5ef9a4
1 changed files with 67 additions and 134 deletions
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201
src/main.cpp
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@ -13,8 +13,6 @@
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
// ================== SERIAL ==================
#define SerialMon Serial
// ================== SIM800L =================
#define MODEM_RX 16 // ESP32 GPIO16 ← SIM800L TX
@ -56,15 +54,36 @@ MQUnifiedsensor MQ135(BOARD, VOLTAGE, ADC_BITS, PIN_MQ135, "MQ-135");
MQUnifiedsensor MQ7(BOARD, VOLTAGE, ADC_BITS, PIN_MQ7, "MQ-7");
// ================== HELPER ==================
void oledStatus(const String &msg)
void oledGSMStatus(const String &msg)
{
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("STATUS GSM:");
display.println(msg);
display.display();
}
void oledMQStatus(const String &msg1, const String &msg2, const String &msg3, const String &msg4,String msg5="")
{
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("MQ STATUS:");
display.println(msg1);
display.println(msg2);
display.println(msg3);
display.println(msg4);
display.println(msg5);
display.display();
}
// ================= HELPER ======================
float readAverage(MQUnifiedsensor &sensor, int samples = 5)
{
@ -94,113 +113,56 @@ void setup()
}
// SIM800L UART
SerialMon.println("[GSM] Init UART...");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM INIT ...");
display.display();
Serial.println("[GSM] Init UART...");
oledGSMStatus("Init GSM...");
SerialAT.begin(9600, SERIAL_8N1, MODEM_RX, MODEM_TX);
delay(3000);
SerialMon.println("[GSM] Restart modem...");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM RESTART modem...");
display.display();
Serial.println("[GSM] Hidupkan modem...");
oledGSMStatus("Hidupkan modem...");
if (!modem.restart())
{
SerialMon.println("[ERROR] Modem restart failed!");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM RESTART FAILED...");
display.display();
delay(1000);
while (1)
;
Serial.println("[ERROR] Modem restart failed!");
oledGSMStatus("MODEM GAGAL");
oledGSMStatus("RESTART ESP32...");
ESP.restart(); // Restart ESP32
}
SerialMon.println("[GSM] Waiting for network...");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM WAIT NETWORK...");
display.display();
Serial.println("[GSM] Waiting for network...");
oledGSMStatus("Menunggu jaringan...");
delay(2000);
if (!modem.waitForNetwork())
{
SerialMon.println("[ERROR] No network!");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM NO NETWORK...");
display.display();
delay(1000);
while (1)
;
Serial.println("[ERROR] No network!");
oledGSMStatus("GAGAL JARINGAN");
oledGSMStatus("RESTART ESP32...");
ESP.restart(); // Restart ESP32
}
SerialMon.println("[GSM] Network OK");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM NETWORK OK...");
display.display();
Serial.println("[GSM] Network OK");
oledGSMStatus("JARINGAN OK");
delay(2000);
SerialMon.println("[GSM] Connecting GPRS...");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM CONNECTING GPRS...");
display.display();
delay(2000);
Serial.println("[GSM] Connecting GPRS...");
oledGSMStatus("Menghubungkan GPRS...");
if (!modem.gprsConnect(apn, user, pass))
{
SerialMon.println("[ERROR] GPRS failed!");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("");
display.display();
delay(1000);
while (1)
;
Serial.println("[ERROR] GPRS failed!");
oledGSMStatus("GAGAL GPRS");
oledGSMStatus("RESTART ESP32...");
ESP.restart(); // Restart ESP32
}
SerialMon.println("[GSM] GPRS CONNECTED");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("GSM GPRS CONNECTED...");
display.display();
Serial.println("[GSM] GPRS CONNECTED");
oledGSMStatus("GPRS OK");
delay(2000);
// MQ init
SerialMon.println("[MQ] Init MQ135 & MQ7");
Serial.println("[MQ] Init MQ135 & MQ7");
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("Monitoring Udara");
display.println("ESP32 + MQ");
display.println("Kalibrasi...");
display.display();
delay(2000);
oledMQStatus("Init MQ135 & MQ7", "Mulai kalibrasi sensor...", "Pastikan udara bersih", "(±1-2 menit)");
// ================= KALIBRASI =================
Serial.println("Mulai kalibrasi sensor...");
@ -235,22 +197,13 @@ void setup()
if (r0_135 <= 0 || r0_7 <= 0)
{
Serial.println("❌ Kalibrasi gagal!");
display.clearDisplay();
display.setCursor(0, 0);
display.println("ERROR KALIBRASI");
display.display();
while (true)
delay(1000);
oledMQStatus("KALIBRASI GAGAL", "", "", "RESTART ESP32...");
ESP.restart();
}
Serial.println("Kalibrasi selesai!");
display.clearDisplay();
display.setCursor(0, 0);
display.println("Kalibrasi OK");
display.println("Mulai Monitor");
display.display();
delay(2000);
oledMQStatus("KALIBRASI OK", "...", "Mulai Monitoring", "...");
}
// =====================================================
@ -308,27 +261,7 @@ void loop()
status = "Sangat Buruk";
// =============== OLED DISPLAY ==========
display.clearDisplay();
display.setCursor(0, 0);
display.print("CO2: ");
display.print(co2, 0);
display.println(" ppm");
display.print("CO : ");
display.print(co, 1);
display.println(" ppm");
display.print("BZ : ");
display.print(benzene, 1);
display.println(" ppm");
display.print("AQ : ");
display.print(aq);
display.print("% ");
display.println(status);
display.display();
oledMQStatus("CO2 : " + String(co2) + " ppm", "CO : " + String(co) + " ppm", "BZ : " + String(benzene) + " ppm", "AQ : " + String(aq) + " % " , status);
// =============== SERIAL =================
Serial.println("===== STATUS UDARA =====");
@ -357,15 +290,15 @@ void loop()
url += "&bz=" + String(benzene);
url += "&aq=" + String(aq);
SerialMon.print("[HTTP] GET ");
SerialMon.println(url);
Serial.print("[HTTP] GET ");
Serial.println(url);
// Send request
client.print(String("GET ") + url + " HTTP/1.1\r\n");
client.print("Host: k-dummy.my.id\r\n");
client.print("Connection: close\r\n\r\n");
oledStatus("MENUNGGU RESP");
oledGSMStatus("MENUNGGU RESP");
// -------------------------------
// READ RESPONSE
@ -385,9 +318,9 @@ void loop()
client.stop();
SerialMon.println("----- HTTP RESPONSE -----");
SerialMon.println(response);
SerialMon.println("-------------------------");
Serial.println("----- HTTP RESPONSE -----");
Serial.println(response);
Serial.println("-------------------------");
// -------------------------------
// EXTRACT JSON BODY
@ -397,25 +330,25 @@ void loop()
{
String json = response.substring(jsonStart);
SerialMon.print("[JSON] ");
SerialMon.println(json);
Serial.print("[JSON] ");
Serial.println(json);
oledStatus("RESP OK");
oledGSMStatus("RESP OK");
}
else
{
SerialMon.println("[ERROR] No JSON found!");
oledStatus("RESP ERROR");
Serial.println("[ERROR] No JSON found!");
oledGSMStatus("RESP ERROR");
}
}
else
{
SerialMon.println("[ERROR] Server connection failed!");
oledStatus("GAGAL KIRIM");
Serial.println("[ERROR] Server connection failed!");
oledGSMStatus("GAGAL KIRIM");
}
client.stop();
SerialMon.println("===== LOOP END =====");
Serial.println("===== LOOP END =====");
delay(10000);
}