#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4); //sometimes the LCD adress is not 0x3f. Change to 0x27 if it dosn't work.
int counter = 0;
int page=1;
int Ready=1;
int menu=0;
int submenu=0;
int last_counter = 0;
bool clk_State;
bool Last_State;
bool dt_State;
int pushed = 0;
int buzzer = 6;
int var;
#define push 10
#define RELAY1 7 //out1 open
#define RELAY2 5 //out2 close
#define RELAY3 4 //out3 mode
#define RELAY4 3 //out4 time
void openingMusic(){
digitalWrite(buzzer, HIGH);
delay(300);
digitalWrite(buzzer, LOW);
delay(200);
digitalWrite(buzzer, HIGH);
delay(100);
digitalWrite(buzzer, LOW);
delay(200);
digitalWrite(buzzer, HIGH);
delay(600);
digitalWrite(buzzer, LOW);
}
void buzzersetup() {
digitalWrite(buzzer, HIGH);
delay(10);
digitalWrite(buzzer, LOW);
delay(40);
digitalWrite(buzzer, HIGH);
delay(60);
digitalWrite(buzzer, LOW);
delay(40);
digitalWrite(buzzer, HIGH);
delay(80);
digitalWrite(buzzer, LOW);
delay(40);
digitalWrite(buzzer, HIGH);
delay(120);
digitalWrite(buzzer, LOW);
}
void buzzermenuclick() {
digitalWrite(buzzer, HIGH);
delay(40);
digitalWrite(buzzer, LOW);
delay(120);
digitalWrite(buzzer, HIGH);
delay(80);
digitalWrite(buzzer, LOW);
}
void buzzermenuaction() {
digitalWrite(buzzer, HIGH);
delay(40);
digitalWrite(buzzer, LOW);
}
void setup() {
pinMode (push, OUTPUT);
pinMode (buzzer, OUTPUT);
pinMode (RELAY1, OUTPUT);
pinMode (RELAY2, OUTPUT);
pinMode (RELAY3, OUTPUT);
pinMode (RELAY4, OUTPUT);
lcd.init(); //Init the LCD
lcd.backlight(); //Activate backlight
lcd.home(); //Home the LCD
PCICR |= (1 << PCIE0); //enable PCMSK0 scan
PCMSK0 |= (1 << PCINT0); //Set pin D8 trigger an interrupt on state change.
PCMSK0 |= (1 << PCINT1); //Set pin D9 trigger an interrupt on state change.
DDRB &= B11111100; //8, 9 as input for the encoder clock and data pins
Last_State = (PINB & B00000001); //pin 8 state (clock pin)?
//Print the initial text. Delete these lines if you don't want that
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(" Circle Electronic");
lcd.setCursor(0, 1);
lcd.print(" PLC User Interface ");
lcd.setCursor(11, 3);
lcd.print("Ver 1.24");
openingMusic();
delay(1600);
//Print the first page menu.
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Open the Gate");
lcd.setCursor(0, 1);
lcd.print("Close the Gate");
lcd.setCursor(0, 2);
lcd.print("Set Closing Time");
lcd.setCursor(0, 3);
lcd.print("Change the Mode");
}
void loop() {
if((last_counter > counter) || (last_counter < counter) || pushed) //Only print on the LCD when a step is detected or the button is pushed.
{
Ready=1;
if(menu == 0)//First page of the menu
{
var=1;
while(var==1){
buzzermenuaction();
break;
}
var=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(">Open the Gate");
lcd.setCursor(0, 1);
lcd.print("Close the Gate");
lcd.setCursor(0, 2);
lcd.print("Set Closing Time");
lcd.setCursor(0, 3);
lcd.print("Change the Mode");
page=1;
if (pushed)
{
pushed = 0;
}
}
if(5 < counter && counter < 10)
{
while(var==1){
buzzermenuaction();
break;
}
var=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Open the Gate");
lcd.setCursor(0, 1);
lcd.print(">Close the Gate");
lcd.setCursor(0, 2);
lcd.print("Set Closing Time");
lcd.setCursor(0, 3);
lcd.print("Change the Mode");
page=2;
if(pushed)
{
pushed=0;
}
}
if(10 < counter && counter < 15)
{
while(var==1){
buzzermenuaction();
break;
}
var=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Open the Gate");
lcd.setCursor(0, 1);
lcd.print("Close the Gate");
lcd.setCursor(0, 2);
lcd.print(">Set Closing Time");
lcd.setCursor(0, 3);
lcd.print("Change the Mode");
page=3;
if(pushed)
{
pushed=0;
}
}
if(15 < counter && counter < 20)
{
while(var==1){
buzzermenuaction();
break;
}
var=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Open the Gate");
lcd.setCursor(0, 1);
lcd.print("Close the Gate");
lcd.setCursor(0, 2);
lcd.print("Set Closing Time");
lcd.setCursor(0, 3);
lcd.print(">Change the Mode");
page=4;
if(pushed)
{
pushed=0;
}
}
}//menu = 0;
//Second page of the menu
if(submenu == 1)
{
if(0 <= counter && counter < 5)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Are You Sure?");
lcd.setCursor(0, 1);
lcd.print(">Yes");
lcd.setCursor(0, 2);
lcd.print("No");
page = 1;
pushed = 0;
}
if(5 < counter && counter < 10)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Are You Sure?");
lcd.setCursor(0, 1);
lcd.print("Yes");
lcd.setCursor(0, 2);
lcd.print(">No");
page = 2;
pushed = 0;
}
}//submenu = 1;
//Third page of the menu
if(submenu == 2)
{
if(0 <= counter && counter < 5)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Are You Sure?");
lcd.setCursor(0, 1);
lcd.print(">Yes");
lcd.setCursor(0, 2);
lcd.print("No");
page = 1;
pushed = 0;
}
if(5 < counter && counter < 10)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Are You Sure?");
lcd.setCursor(0, 1);
lcd.print("Yes");
lcd.setCursor(0, 2);
lcd.print(">No");
page = 2;
pushed = 0;
}
}//submenu = 2;
//Forth page of the menu
if(submenu == 3)
{
if (0 <= counter && counter < 5)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(">2 Seconds");
lcd.setCursor(0, 1);
lcd.print("5 Seconds");
lcd.setCursor(0, 2);
lcd.print("10 Seconds");
lcd.setCursor(0, 3);
lcd.print("20 Seconds");
page = 1;
pushed = 0;
}
if (5 < counter && counter < 10)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("2 Seconds");
lcd.setCursor(0, 1);
lcd.print(">5 Seconds");
lcd.setCursor(0, 2);
lcd.print("10 Seconds");
lcd.setCursor(0, 3);
lcd.print("20 Seconds");
page = 2;
pushed = 0;
}
if (10 < counter && counter < 15)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("2 Seconds");
lcd.setCursor(0, 1);
lcd.print("5 Seconds");
lcd.setCursor(0, 2);
lcd.print(">10 Seconds");
lcd.setCursor(0, 3);
lcd.print("20 Seconds");
page = 3;
pushed = 0;
}
if (15 < counter && counter < 20)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("2 Seconds");
lcd.setCursor(0, 1);
lcd.print("5 Seconds");
lcd.setCursor(0, 2);
lcd.print("10 Seconds");
lcd.setCursor(0, 3);
lcd.print(">20 Seconds");
page = 4;
pushed = 0;
}
}
//submenu = 3;
if(submenu == 4)
{
if (0 <= counter && counter < 5)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(">Automatic Mode");
lcd.setCursor(0, 1);
lcd.print("Manuel Mode");
page = 1;
pushed = 0;
}
if (5 < counter && counter < 10)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Automatic Mode");
lcd.setCursor(0, 1);
lcd.print(">Manuel Mode");
page = 2;
pushed = 0;
}
}//submenu = 4;
//end of the MENU prints on the LCD
last_counter = counter; //Save the value of the last state
//Now we detect when we push the button
if(digitalRead(push))
{
if(submenu == 1)
{
if(page==1)
{
var=1;
while(var==1){
buzzersetup();
break;
}
var=0;
menu=0;
submenu=0;
counter=1;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Gate is Opening...");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY1, HIGH);
delay(2000);
digitalWrite(RELAY1, LOW);
delay(4000);
}
if(page==2)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
var=0;
menu=0;
submenu=0;
counter=0;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0,0);
lcd.print(" Going Back... ");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
delay(4000);
}
}//end of submenu 1
if(submenu == 2)
{
if(page==1)
{
var=1;
while(var==1){
buzzersetup();
break;
}
var=0;
menu=0;
submenu=0;
counter=1;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Gate is Closing");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY2, HIGH);
delay(2000);
digitalWrite(RELAY2, LOW);
delay(4000);
}
if(page==2)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
var=0;
menu=0;
submenu=0;
counter=0;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Going Back");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
delay(4000);
}
}//end of submenu 1
if(submenu == 3)
{
if(page==1)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
menu=0;
submenu=0;
counter=1;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Closing Time 2 Sec ");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY3, HIGH);
delay(2000);
digitalWrite(RELAY3, LOW);
delay(4000);
}
if(page==2)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
menu=0;
submenu=0;
counter=0;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Closing Time 5 Sec ");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY3, HIGH);
delay(5000);
digitalWrite(RELAY3, LOW);
delay(4000);
}
if(page==3)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
menu=0;
submenu=0;
counter=0;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Closing Time 10 Sec ");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY3, HIGH);
delay(10000);
digitalWrite(RELAY3, LOW);
delay(4000);
}
if(page==4)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
menu=0;
submenu=0;
counter=0;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Closing Time 20 Sec ");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY3, HIGH);
delay(20000);
digitalWrite(RELAY3, LOW);
delay(4000);
}
}//end of submenu 1
if(submenu == 4)
{
if(page==1)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
menu=0;
submenu=0;
counter=0;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Automatic Mode");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY4, HIGH);
delay(4000);
}
if(page==2)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
menu=0;
submenu=0;
counter=0;
pushed=0;
Ready=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Manuel Mode");
lcd.setCursor(0, 2);
lcd.print(" Wait ");
digitalWrite(RELAY4, LOW);
delay(4000);
}
}//end of submenu 1
if(menu == 0 && Ready==1)
{
if(page==1)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
var=0;
submenu=1;
counter=0;
pushed=1;
delay(500);
}
if(page==2)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
var=0;
submenu=2;
counter=0;
pushed=1;
delay(500);
}
if(page==3)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
var=0;
submenu=3;
counter=0;
pushed=1
;delay(500);
}
if(page==4)
{
var=1;
while(var==1){
buzzermenuclick();
break;
}
var=0;
submenu=4;
counter=0;
pushed=1;
delay(500);
}
}//end of menu 0
}
//Add limit for the counter. Each line of the menu has 5 points. Since my menu has 4 lines the maximum counter will be from 0 to 20
//If you add more lines for the menu, increase this value
if(counter > 20)
{
counter=20;
}
if(counter < 0)
{
counter=0;
}
}//end void
//Interruption vector
ISR(PCINT0_vect){
clk_State = (PINB & B00000001); //pin 8 state, clock pin?
dt_State = (PINB & B00000010);
if (clk_State != Last_State){
// If the data state is different to the clock state, that means the encoder is rotating clockwise
if (dt_State != clk_State) {
counter ++;
}
else {
counter --;
}
}
Last_State = clk_State; // Updates the previous state of the data with the current state
}
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