I could not post the whole code:
[code]
#include <LiquidCrystal_I2C.h>
//i2c pins
#include <OneWire.h> // Library for Temp sensor
#include <DallasTemperature.h> // Library for Temp conversion
#define ONE_WIRE_BUS A0
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
DeviceAddress tempDeviceAddress;
int resolution = 12;
unsigned long lastTempRequest = 0;
int delayInMillis = 0;
float Temperature = 0.0;
int idle = 0;
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); //
const int LED_RED = 10; //Red LED
const int LED_GREEN = 11; //Green LED
const int RELAY = 13; //Relay
static int pinA = 3; // Our first hardware interrupt pin is digital pin 2
static int pinB = 2; // Our second hardware interrupt pin is digital pin 3
volatile int aFlag = 0; // let's us know when we're expecting a rising edge on pinA to signal that the encoder has arrived at a detent
volatile int bFlag = 0; // let's us know when we're expecting a rising edge on pinB to signal that the encoder has arrived at a detent (opposite direction to when aFlag is set)
volatile int encoderPos = 0; //this variable stores our current value of encoder position. Change to int or uin16_t instead of byte if you want to record a larger range than 0-255
volatile int oldEncPos = 0; //stores the last encoder position value so we can compare to the current reading and see if it has changed (so we know when to print to the serial monitor)
volatile int reading = 0; //somewhere to store the direct values we read from our interrupt pins before checking to see if we have moved a whole detent
const int selectSwitch = 12;
unsigned int mashSet = 60;
unsigned int mashTemp;
unsigned int timeSet = 60;
unsigned int mashTime;
unsigned int boilTime;
int seconds = 59;
int secondsCount;
unsigned long time_countdown = 0;
int menuValue = 0;
void setup() {
sensors.begin();
sensors.getAddress(tempDeviceAddress, 0);
sensors.setResolution(tempDeviceAddress, resolution);
sensors.setWaitForConversion(false);
sensors.requestTemperatures();
delayInMillis = 750 / (1 << (12 - resolution));
lastTempRequest = millis();
pinMode(LED_RED, OUTPUT);
pinMode(LED_GREEN, OUTPUT);
pinMode(RELAY, OUTPUT);
pinMode(selectSwitch, INPUT);
pinMode(pinA, INPUT); // set pinA as an input, pulled HIGH to the logic voltage (5V or 3.3V for most cases)
pinMode(pinB, INPUT); // set pinB as an input, pulled HIGH to the logic voltage (5V or 3.3V for most cases)
attachInterrupt(0, PinA, RISING); // set an interrupt on PinA, looking for a rising edge signal and executing the "PinA" Interrupt Service Routine (below)
attachInterrupt(1, PinB, RISING); // set an interrupt on PinB, looking for a rising edge signal and executing the "PinB" Interrupt Service Routine (below)
Serial.begin(9600);
digitalWrite (selectSwitch, HIGH);
lcd.begin(16, 2);
digitalWrite(LED_GREEN, HIGH); //Green LED ON
digitalWrite(LED_RED, LOW); //Red LED OFF
digitalWrite(RELAY, LOW); //Turn off Relay
lcd.setCursor (3, 0);
lcd.print("Welcome");
lcd.setCursor (3, 1);
lcd.print("Beerduino");
delay(2500);
lcd.clear();
}
void PinA() {
cli(); //stop interrupts happening before we read pin values
reading = PIND & 0xC; // read all eight pin values then strip away all but pinA and pinB's values
if (reading == B00001100 && aFlag) { //check that we have both pins at detent (HIGH) and that we are expecting detent on this pin's rising edge
encoderPos ++; //decrement the encoder's position count
bFlag = 0; //reset flags for the next turn
aFlag = 0; //reset flags for the next turn
}
else if (reading == B00000100) bFlag = 1; //signal that we're expecting pinB to signal the transition to detent from free rotation
sei(); //restart interrupts
}
void PinB() {
cli(); //stop interrupts happening before we read pin values
reading = PIND & 0xC; //read all eight pin values then strip away all but pinA and pinB's values
if (reading == B00001100 && bFlag) { //check that we have both pins at detent (HIGH) and that we are expecting detent on this pin's rising edge
encoderPos --; //increment the encoder's position count
bFlag = 0; //reset flags for the next turn
aFlag = 0; //reset flags for the next turn
}
else if (reading == B00001000) aFlag = 1; //signal that we're expecting pinA to signal the transition to detent from free rotation
sei(); //restart interrupts
}
void loop() {
//============================================================================================//
// Get user input for mash temp setpoint //
//============================================================================================//
encoderPos = 60;
while (menuValue == 0)
{
//Display Mash Set point on LCD
lcd.setCursor(1, 0);
lcd.print("Mesketemperatur:");
lcd.setCursor(6, 1);
lcd.print(encoderPos);
lcd.print(" C");
if (digitalRead(selectSwitch) == LOW)
{
mashTemp = encoderPos;
menuValue++;
lcd.clear();
}
delay (1);
}
if (menuValue == 1)
{
delay (500);
}
//============================================================================================//
// Get user input for mash time setpoint //
//============================================================================================//
encoderPos = 60;
while (menuValue == 1)
{
//Display Mash Time Set point on LCD
lcd.setCursor(1, 0);
lcd.print("Set Mash Time:");
lcd.setCursor(4, 1);
lcd.print(encoderPos);
lcd.print(" Mins");
if (digitalRead(selectSwitch) == LOW)
{
mashTime = encoderPos;
menuValue ++;
lcd.clear();
}
delay(1);
if (menuValue == 2)
{
delay (500);
}
}
//============================================================================================//
// Display user selected set points before starting for user to confirm //
//============================================================================================//
while (menuValue == 2)
{
//Display Set Mash Time and Set Mash Temp point on LCD
lcd.setCursor(0, 0);
lcd.print("Temp:");
lcd.print(mashTemp);
lcd.print(" Time:");
lcd.print(mashTime);
lcd.setCursor(1, 1);
lcd.print("PRESS TO START");
if (digitalRead(selectSwitch) == LOW)
{
menuValue ++;
lcd.clear();
}
delay(100);
}
while (menuValue == 3)
{
delay (500);
menuValue ++;
}
//============================================================================================//
// Heating up to temp for mash. User to confirm once ready //
//============================================================================================//
while (menuValue == 4)
{
lcd.setCursor(1, 0);
lcd.print("Mash Temp: ");
lcd.print(Temperature);
lcd.setCursor(3, 1);
lcd.print("HEATING UP");
if (millis() - lastTempRequest >= delayInMillis) // waited long enough??
{
Temperature = sensors.getTempCByIndex(0);
idle = 0;
// immediately after fetching the temperature we request a new sample
// in the async modus
// for the demo we let the resolution change to show differences
resolution++;
if (resolution > 12) resolution = 9;
sensors.setResolution(tempDeviceAddress, resolution);
sensors.requestTemperatures();
delayInMillis = 750 / (1 << (12 - resolution));
lastTempRequest = millis();
}
if (Temperature > mashTemp)
{
digitalWrite(RELAY, LOW); //Turn off heater
digitalWrite(LED_RED, LOW);
digitalWrite(LED_GREEN, HIGH); //Turn on Green LED
for (int i = 0; i < 5; i++) {
tone (A1, 500);
delay (500);
noTone (A1);
delay (500);
}
menuValue ++;
}
if (Temperature < mashTemp)
{
digitalWrite(RELAY, HIGH); //Turn on heater
digitalWrite(LED_GREEN, LOW);
digitalWrite(LED_RED, HIGH); //Turn on RED LED
}
}
lcd.clear();
delay (500);
while (menuValue == 5) {
lcd.setCursor(0, 0);
lcd.print("Temp Reached: ");
lcd.print(Temperature);
lcd.setCursor(1, 1);
lcd.print("PRESS TO START");
if (digitalRead(selectSwitch) == LOW)
{
menuValue ++;
}
}
delay(500);
[/code]
