#include <HX711.h>
#include <TinyDebug.h>
#include <IRremote.h>
#include <MySQL_Connection.h>
#include <Ethernet.h>

#define LED_PIN 3
#define RECEIVER_PIN 4
#define DATA_PIN 5
#define CLOCK_PIN 6

byte mac_addr[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

IPAddress server_addr(127,0,0,1);  // IP of the MySQL *server* here
IPAddress ethernet_addr(192,168,0,109);
char user[] = "root";              // MySQL user login username
char password[] = "secret";        // MySQL user login password

EthernetClient client;
MySQL_Connection conn((Client *)&client);

IRrecv receiver(RECEIVER_PIN);

HX711 hx711;

volatile float units;
float gate = 20.0;
int Hz = 433;



void setup() {
  receiver.enableIRIn();
  Serial.begin(9600);
  while (!Serial); // Ждем пока serial port будет подключен
  Ethernet.begin(mac_addr, ethernet_addr);
  hx711.begin(DATA_PIN, CLOCK_PIN);
  hx711.tare();

}

void loop() {
    hx711.set_scale(420.0983);
    if(receiver.decode()){
      switch (receiver.decodedIRData.command) {
        case 2:
          gate = gate + 1;
          break;
        case 152:
          gate = gate + 1;
          break;
        case 48:
          Hz = 433;
          break;
        case 24:
          Hz = 868;
          break;
        case 122:
          Hz = 2400;
          break;
        default:
          break;
    }
      receiver.resume();
    }
    output();
}

void output(){
  units = hx711.get_units();
  Serial.print(Hz);
  Serial.print(" Hz / ");
  Serial.print(units);
  Serial.println(" kg");
  if(units > gate){
    Serial.println("ALARM!");
    digitalWrite(LED_PIN, HIGH);
    delay(200);
    digitalWrite(LED_PIN, LOW);
    delay(200);
  }
}