/*************************************************************************************************
                                      PROGRAMMINFO
**************************************************************************************************
  Funktion: Feinstaubmessung mit Nova PM sensor SDS011 und OLED Display 1,3"
  A168
  https://www.umweltbundesamt.de/daten/luft/feinstaub-belastung#feinstaubkonzentrationen-in-deutschland

  60sek Smiley am Display während der Sensor Initialisierung
**************************************************************************************************
  PM2.5 steht beispielsweise für Partikel mit einem aerodynamischen Durchmesser von 2,5 Mikrometer oder weniger, PM10 für 10 Mikrometern

  SDS011 (Laser Dust/Air Quality Sensor Module)
  Specification:
  Measured values: PM2.5, PM10
  Range: 0 – 999.9 μg /m³
  Supply voltage: 5V (4.7 – 5.3V)
  Power consumption (work): 70mA±10mA
  Power consumption (sleep mode laser & fan): < 4mA
  Storage temperature: -20 to +60C
  Work temperature: -10 to +50C
  Humidity (storage): Max. 90%
  Humidity (work): Max. 70% (condensation of water vapor falsify readings)
  Accuracy:
  70% for 0.3μm
  98% for 0.5μm
  Size: 71x70x23 mm
  Certification: CE, FCC, RoHS
  Pinout:
  Pin 1 – not connected
  Pin 2 – PM2.5: 0-999μg/m³; PWM output
  Pin 3 – 5V
  Pin 4 – PM10: 0-999 μg/m³; PWM output
  Pin 5 – GND
  Pin 6 – RX UART (TTL) 3.3V
  Pin 7 – TX UART (TTL) 3.3V
**************************************************************************************************
  Version: 13.06.2022
**************************************************************************************************
  Board: LOLIN(WEMOS)D1 R2 & mini V2.2.0
**************************************************************************************************
  Libraries:
  https://github.com/espressif/arduino-esp32/tree/master/libraries
  C:\Users\User\Documents\Arduino
  D:\gittemp\Arduino II\A156_Wetterdaten_V3

  https://github.com/lewapek/sds-dust-sensors-arduino-library V1.5.1 Pawel Kolodziejczyk V1.5.1 vom 14.2.2022
  https://github.com/olikraus/u8g2/blob/master/tools/font/build/single_font_files/u8g2_font_courR10_tf.c
**************************************************************************************************
  C++ Arduino IDE V1.8.19

  I2C Display
  SCL = D1
  SDA = D2

**************************************************************************************************
  Einstellungen:
  https://dl.espressif.com/dl/package_esp32_index.json
  http://dan.drown.org/stm32duino/package_STM32duino_index.json
  http://arduino.esp8266.com/stable/package_esp8266com_index.json
**************************************************************************************************/
#include <Arduino.h>
#include <SdsDustSensor.h> //Nova Fitnes SDS Dust Senssor 

//***********OLED********************
#include <U8g2lib.h>

#ifdef U8X8_HAVE_HW_SPI
#include <SPI.h>
#endif
#ifdef U8X8_HAVE_HW_I2C
#include <Wire.h>
#endif
U8G2_SH1106_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);
unsigned long delayTime;
//*******************************


/* SDS011 Dust Sensor -> ESP8266 */
const int SDS_RX_PIN = D3; // D3 -> SDS011 RX pin
const int SDS_TX_PIN = D4; // D4 -> SDS011 TX pin



SoftwareSerial softwareSerial(SDS_RX_PIN, SDS_TX_PIN);
SdsDustSensor sds(softwareSerial); //  zusätzliche Parameter: retryDelayMs und maxRetriesNotAvailable
const int MINUTE = 60000; // 60 Sekunden
const int WAKEUP_WORKING_TIME = 30000; // 30 Sekunden
const int MEASUREMENT_INTERVAL = 5 * MINUTE;

void setup() {
  Serial.begin(115200);
  //***********OLED********************
  u8g2.begin();
  //***********************************
  Serial.println("SDS011 Feinstaubsensor");
  delay(500);
  /* SDS011 Dust Sensor */
  sds.begin();
  // SDS011 Firmware Version:
  Serial.print("SDS011 ");
  Serial.println(sds.queryFirmwareVersion().toString());
  // Stellt sicher, dass sich SDS011 im Abfrageberichtsmodus befindet:
  Serial.println(sds.setQueryReportingMode().toString());

  int BildschirmBreite = u8g2.getDisplayWidth();
  int BildschirmHoehe = u8g2.getDisplayHeight();


  //Smiley XBM erstellt mit GIMP
#define smiley_width 64
#define smiley_height 64
  static unsigned char smiley[] = {
    0x00, 0x00, 0x00, 0xd0, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff,
    0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xff, 0xff, 0x07, 0x00, 0x00,
    0x00, 0x00, 0xfc, 0x5f, 0xfd, 0x3f, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
    0x80, 0x7f, 0x00, 0x00, 0x00, 0x80, 0x1f, 0x00, 0x00, 0xfc, 0x01, 0x00,
    0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xf0, 0x01, 0x00,
    0x00, 0xc0, 0x0f, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x00,
    0x00, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x1e, 0x00, 0x00,
    0x00, 0x00, 0x7c, 0x00, 0x00, 0x1f, 0x00, 0x03, 0x80, 0x01, 0xf8, 0x00,
    0x80, 0x07, 0x80, 0x03, 0xc0, 0x03, 0xf0, 0x00, 0xc0, 0x07, 0x80, 0x07,
    0xc0, 0x03, 0xe0, 0x01, 0xc0, 0x03, 0xc0, 0x07, 0xc0, 0x07, 0xc0, 0x03,
    0xe0, 0x01, 0xc0, 0x07, 0xe0, 0x07, 0x80, 0x07, 0xe0, 0x00, 0xc0, 0x0f,
    0xe0, 0x07, 0x80, 0x07, 0xf0, 0x00, 0xc0, 0x0f, 0xe0, 0x07, 0x00, 0x0f,
    0x70, 0x00, 0xc0, 0x0f, 0xe0, 0x07, 0x00, 0x0e, 0x78, 0x00, 0xc0, 0x0f,
    0xe0, 0x07, 0x00, 0x1e, 0x38, 0x00, 0xe0, 0x0f, 0xe0, 0x07, 0x00, 0x1e,
    0x3c, 0x00, 0xc0, 0x0f, 0xe0, 0x07, 0x00, 0x1c, 0x1c, 0x00, 0xc0, 0x07,
    0xe0, 0x07, 0x00, 0x3c, 0x1c, 0x00, 0xc0, 0x07, 0xe0, 0x07, 0x00, 0x38,
    0x1c, 0x00, 0xc0, 0x07, 0xc0, 0x03, 0x00, 0x38, 0x1e, 0x00, 0x80, 0x07,
    0xc0, 0x03, 0x00, 0x38, 0x1e, 0x00, 0x80, 0x03, 0x80, 0x01, 0x00, 0x38,
    0x0e, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x78, 0x0e, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x38, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78,
    0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x78, 0x0e, 0x7c, 0x00, 0x00,
    0x00, 0x00, 0x3e, 0x70, 0x0e, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x18, 0x38,
    0x1e, 0x10, 0x00, 0x00, 0x00, 0x00, 0x18, 0x78, 0x1e, 0x30, 0x00, 0x00,
    0x00, 0x00, 0x08, 0x38, 0x1e, 0x30, 0x00, 0x00, 0x00, 0x00, 0x08, 0x38,
    0x1c, 0x20, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x38, 0x1c, 0x20, 0x00, 0x00,
    0x00, 0x00, 0x04, 0x38, 0x1c, 0x60, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c,
    0x3c, 0x40, 0x00, 0x00, 0x00, 0x00, 0x06, 0x1c, 0x38, 0xc0, 0x00, 0x00,
    0x00, 0x00, 0x03, 0x1c, 0x78, 0x80, 0x01, 0x00, 0x00, 0x00, 0x01, 0x1e,
    0x78, 0x00, 0x01, 0x00, 0x00, 0x80, 0x01, 0x0e, 0xf0, 0x00, 0x07, 0x00,
    0x00, 0xc0, 0x00, 0x0f, 0xf0, 0x00, 0x04, 0x00, 0x00, 0x60, 0x00, 0x07,
    0xe0, 0x01, 0x1c, 0x00, 0x00, 0x38, 0x80, 0x07, 0xc0, 0x03, 0x70, 0x00,
    0x00, 0x0c, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x01, 0x00, 0x07, 0xe0, 0x03,
    0x80, 0x07, 0x80, 0x17, 0xf0, 0x01, 0xe0, 0x01, 0x00, 0x0f, 0x00, 0xfc,
    0x3f, 0x00, 0xf0, 0x00, 0x00, 0x1f, 0x00, 0x40, 0x01, 0x00, 0x78, 0x00,
    0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0xfc, 0x00, 0x00,
    0x00, 0x00, 0x1f, 0x00, 0x00, 0xf8, 0x01, 0x00, 0x00, 0x80, 0x0f, 0x00,
    0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xc0, 0x1f, 0x00,
    0x00, 0xf8, 0x03, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00, 0x00,
    0x00, 0x00, 0xfe, 0x2f, 0xf4, 0x3f, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff,
    0xff, 0x0f, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x03, 0x00, 0x00,
    0x00, 0x00, 0x00, 0xfa, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
  };


  do {
    u8g2.clearBuffer();
    u8g2.drawXBM(32, 1, smiley_width, smiley_height, smiley);

  } while ( u8g2.nextPage() );
  delay(3000);
}


void loop() {
  // Wake up SDS011
  sds.wakeup();
  delay(WAKEUP_WORKING_TIME);
  // Get data from SDS011
  PmResult pm = sds.queryPm();
  if (pm.isOk()) {
    Serial.print("PM2.5 = ");
    Serial.print(pm.pm25); // float, μg/m3
    Serial.print(", PM10 = ");
    Serial.println(pm.pm10);

    //***********OLED********************
    Serial.println("=================================");
    Serial.println("Sensordaten");


    u8g2.setFont(u8g2_font_courR10_tf);
    u8g2.firstPage();

    do {

      u8g2.setCursor(25, 10);
      u8g2.print("Partikel-");
      u8g2.setCursor(31, 24);
      u8g2.print("messung:");

      u8g2.setFont(u8g2_font_courR08_tf);

      u8g2.setCursor(3, 45);
      u8g2.print("PM 2.5""\xB5""m:");
      u8g2.setCursor(63, 45);
      u8g2.print(pm.pm25);
      u8g2.print("\xB5""gr/m3");

      u8g2.setCursor(3, 59);
      u8g2.print("PM 10""\xB5""m:");
      u8g2.setCursor(63, 59);
      u8g2.print(pm.pm10);
      u8g2.print("\xB5""gr/m3");

    } while ( u8g2.nextPage() );
    delay(delayTime);


  } else {
    Serial.print("Werte vom Sensor konnten nicht gelesen werden, Grund: ");
    Serial.println(pm.statusToString());
  }
  // SDS011 wieder in den Ruhezustand versetzen
  WorkingStateResult state = sds.sleep();
  if (state.isWorking()) {
    Serial.println("Problem mit dem Einschlafen des SDS011-Sensors.");
  } else {
    Serial.println("SDS011-Sensor schläft");
    delay(MEASUREMENT_INTERVAL);
  }

}