#include <Arduino.h>
#include <U8g2lib.h>
#include <Encoder.h>
//#include "Adafruit_MAX31855.h"
#include "max6675.h"

struct reflow_profile
{
  float preheat_rate;
  float preheat_temp;
  int preheat_time;

  float reflow_rate;
  float reflow_temp;
  float reflow_time;
} profile[4];

struct reflow_process
{
   reflow_profile profile;
   int phase;  // 0 = standby, 1 = heizen, 2 = preheat, 3 = heizen, 4 = reflow, 5 = cooldown
   int countdown;  // timer
   int timer;
   char title[20];
   float temp;     // zieltemperatur
} process;

float oven_temp = 0.0;
long EncPos = 0;
unsigned long timer100 = 0;
unsigned long timer500 = 0;
unsigned long timer1000 = 0;


void setup() {
  Serial.begin(9600);
  Serial.println("Reflow Controller v00.01");

  Encoder_Init();
  Buzzer_Init();
  Display_Init();
  Thermo_Init();
  Reflow_Init();
}

void loop() {

  Encoder_Task();

  if (millis() > 100 + timer100) {  // alle 100ms
    timer100 = millis();
    
    Buzzer_Task();
  }

  if (millis() > 500 + timer500) {  // alle 500ms
    timer500 = millis();
    
    Thermo_Task();
  }

  if (millis() > 1000 + timer1000) {  // alle 1s
    timer1000 = millis();
    
    Reflow_Task();
  }

  Display_Task();  // so oft wie möglich
}