Odpověď na: Max6675

[rehot79]

Netuším v čom to je ale asi že mám po dlhej dobe volný víkend , prikladám code už aj s PID reguláciou a nastavením Set-point pomocou potenciometru .

////Vsetky kniznice nacitane cez ArduinoIDE spravca kniznic.
#include <PID_v1.h>
#include "max6675.h"
#include <Servo.h>
Servo myservo;
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
#if (SSD1306_LCDHEIGHT != 32)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif

//Definicia pin

int thermoSO = 6;   
int thermoCS = 5;   
int thermoSCK = 4;  
MAX6675 thermocouple(thermoSCK, thermoCS, thermoSO);
int vccPin = 3; //Napajanie + pre max6675 modul z digitalneho pinu
int gndPin = 2; //Napajanie - pre max6675 modul z digitalneho pinu
int val;
int poloha;  
const int pot = A0;
//Define Variables we'll be connecting to

//Define Variables we'll be connecting to
double Setpoint, Input, Output;

//Define the aggressive and conservative Tuning Parameters
double aggKp=5, aggKi=0.7, aggKd=1;
double consKp=1, consKi=0.1, consKd=0.5;

//Specify the links and initial tuning parameters
PID myPID(&Input, &Output, &Setpoint, consKp, consKi, consKd, DIRECT);

void setup()
{
    
  // definicia napajacich pinou 
  pinMode(vccPin, OUTPUT); digitalWrite(vccPin, HIGH);
  pinMode(gndPin, OUTPUT); digitalWrite(gndPin, LOW);   
  
  ////definicia servo pinu
  myservo.attach(9);
  
  //initialize the variables we're linked to
  Input = thermocouple.readCelsius();
  Setpoint = map(analogRead(pot), 0, 1024, 0, 500);

  //turn the PID on
  myPID.SetMode(AUTOMATIC);

//////////////////////Oled////////////
  // by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
  // init done
  // Vycisti logo
  display.clearDisplay();
  //uvod email
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(10,0);
  display.println("M.Jakab29@Gmail.com");   
  display.display();
  delay(5000);
  display.clearDisplay();

}

void loop()
{
  Setpoint = map(analogRead(pot), 0, 1024, 0, 500); ;
  Input = thermocouple.readCelsius(); 
  double gap = abs(Setpoint-Input); //distance away from setpoint
  if(gap<20)
  {  //we're close to setpoint, use conservative tuning parameters
        myPID.SetTunings(consKp, consKi, consKd);
  }
  else
  {
     //we're far from setpoint, use aggressive tuning parameters
     myPID.SetTunings(aggKp, aggKi, aggKd);
  }

  myPID.Compute();
  Output = map(Output, 0, 255, 0, 170);
  myservo.write(Output);
  poloha = myservo.read();
  poloha= map(poloha, 0, 180, 0, 100); 
           
            val = Input;
            // text display text
           display.drawLine(0, 13, 0, display.height()-1, WHITE);
           display.drawLine(300, 32, 0, display.height()-1, WHITE);
           display.drawLine(300, 13, 0, display.height()-20, WHITE);
           display.drawLine(127, 13, 127, display.height() -1, WHITE);
           display.drawLine(42, 13, 42, display.height() -1, WHITE);
           display.drawLine(84, 13, 84, display.height() -1, WHITE);
           display.setTextSize(1);
           display.setTextColor(WHITE);
           display.setCursor(6,2);
           display.println("Tep.   Poz.%   Set.");   
           display.setTextSize(2);
           display.setCursor(4,16);
           display.println(val);   
           display.setTextSize(2);
           display.setCursor(47,16);
           display.println(poloha);   
           display.setTextSize(2);
           display.setCursor(89,16);
           display.println(Setpoint); 
           display.display();
           display.clearDisplay();
delay(5000);  

}