asukiaaa / arduino-hx711 Goto Github PK

#include <LiquidCrystal_I2C.h>
#include <LiquidCrystal_I2C.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

#include <HX711_asukiaaa.h>

int pinsDout[] = {5, 6, 7, 8};
const int numPins = sizeof(pinsDout) / sizeof(pinsDout[0]);
int pinSlk = 4;
HX711_asukiaaa::Reader reader(pinsDout, numPins, pinSlk);

//---------------------------------------------------//
// Load cell SC133 20kg
// https://akizukidenshi.com/catalog/g/gP-12034/
//---------------------------------------------------//


#define LOAD_CELL_RATED_VOLT_20FLKG 0.0019f
#define LOAD_CELL_RATED_GRAM_20FLKG 20000.0f


#define LOAD_CELL_RATED_VOLT_20FRKG 0.002f
#define LOAD_CELL_RATED_GRAM_20FRKG 20000.0f


#define LOAD_CELL_RATED_VOLT_20RLKG 0.002f
#define LOAD_CELL_RATED_GRAM_20RLKG 20000.0f

#define LOAD_CELL_RATED_VOLT_20RRKG 0.002f
#define LOAD_CELL_RATED_GRAM_20RRKG 20000.0f

#define HX711_R1 20000.0
#define HX711_R2 8200.0

HX711_asukiaaa::Parser parser20FLkg(LOAD_CELL_RATED_VOLT_20FLKG,
                                    LOAD_CELL_RATED_GRAM_20FLKG, HX711_R1,
                                    HX711_R2);
HX711_asukiaaa::Parser parser20FRkg(LOAD_CELL_RATED_VOLT_20FRKG,
                                    LOAD_CELL_RATED_GRAM_20FRKG, HX711_R1, HX711_R2);
HX711_asukiaaa::Parser parser20RLkg(LOAD_CELL_RATED_VOLT_20RLKG,
                                    LOAD_CELL_RATED_GRAM_20RLKG, HX711_R1, HX711_R2);
HX711_asukiaaa::Parser parser20RRkg(LOAD_CELL_RATED_VOLT_20RRKG,
                                    LOAD_CELL_RATED_GRAM_20RRKG, HX711_R1, HX711_R2);

HX711_asukiaaa::Parser* parsers[numPins] = {
  &parser20FLkg,  &parser20FRkg,

  &parser20RLkg, &parser20RRkg,

};
float offsetGrams[numPins];
float Grams[numPins];
void setup() {
  Serial.begin(9600);
  Serial.println("start");
  reader.begin();
  for (int i = 0; i < reader.doutLen; ++i) {
    offsetGrams[i] = parsers[i]->parseToGram(reader.values[i]);
  }


  {
    lcd.init();
    lcd.backlight();
    lcd.setCursor(0, 0);
    lcd.print("benvenuti in ");
    lcd.setCursor(0, 1);
    lcd.print("Italia");
    delay (3000);
    String BLANK = "                ";
    lcd.setCursor(0, 0);
    lcd.print( BLANK );
    lcd.setCursor(0, 1);
    lcd.print( BLANK );
  }
}
void loop() {

  auto readState = reader.read();
  Serial.println("ReadState: " + HX711_asukiaaa::getStrOfReadState(readState));
  if (readState == HX711_asukiaaa::ReadState::Success) {
    for (int i = 0; i < reader.doutLen; ++i) {
      auto parser = *parsers[i];
      float gram = parser.parseToGram(reader.values[i]) - offsetGrams[i];
      Serial.print("sensor" + String(i) + ": " + String(gram ) + " g ");
      Serial.print("offset: " + String(offsetGrams[i]) + " g ");
      Serial.print("voltage: " +
                   String(parser.parseToGram(reader.values[i])) + " uV ");
      Serial.print(String(parser.parseToGram(reader.values[i]) / 1000) +
                   " mV ");
      Serial.println("");

    }
    Serial.println("at " + String(millis()));
    Serial.println("");
  }



  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("FL"    "g");
  lcd.setCursor(8, 0);
  lcd.print("FR"    "g");
  lcd.setCursor(0, 1);
  lcd.print("RL"    "g");
  lcd.setCursor(8, 1);
  lcd.print("RR"    "g");
}