Please just post the code so that everyone can see it.
//Date : 2015-05-05
//Electric saw control system
//Programmer : Hareen Madhusha Bannaheka
//
#include <LiquidCrystal.h>
#define minMeasure 10 //minimum distance thar saw moves in cm
#define revDistance 500 // dictance of the saw for on revelution in cm
//Pin naming
short monoflopTime =5;
int go_btn = 22;
int stop_btn=23;
int home_btn=24;
int inc_btn=25;
int dec_btn=26;
int pos_limit=20;
int neg_limit=21;
int moter1=52;
int moter2=53;
int encoderClock=51;
int encoderData=50;
LiquidCrystal lcd(12, 11, 10, 7, 6, 5, 4);//LiquidCrystal(rs, rw, enable, d4, d5, d6, d7)
long currentPosition=0;
int requiredPosition=0;
boolean incPress=false;
boolean decPress=false;
byte encoderRead[25];
byte revs[12];
byte divs[13];
int revNumber;
int divNumber;
int homelimitled=49;
int stopled=48;
int homerev;
int homediv;
/*Usage: Stop the moter*/
void moterStop(){
digitalWrite(moter1,HIGH);
digitalWrite(moter2,HIGH);
}
/*motor stop by stop button*/
void moterStopbtn(){
digitalWrite(stopled,HIGH);
digitalWrite(moter1,HIGH);
digitalWrite(moter2,HIGH);
}
/*Usage: Set the direction of the moter*/
void moterdir1(){
digitalWrite(moter1,LOW);
digitalWrite(moter2,HIGH);
}
/*Usage: Set the direction of the moter*/
void moterdir2(){
digitalWrite(moter1,HIGH);
digitalWrite(moter2,LOW);
}
/*Usage: max limit occur*/
void maxlimit(){
moterStop();
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Max Limit ");
while(digitalRead(home_btn)){
lcdPrint(0,1,"Press Home to reset");
}
lcd.clear();
onStart();
//lcdPrint(0,0,"Max size achieved");
}
/*Usage: set the starting sequence */
void onStart(){
while(digitalRead(pos_limit)){
moterdir1();
}
//moterStop();
readEncoder();
homerev=revNumber;
homediv=divNumber;
digitalWrite(homelimitled,HIGH);
lcd.clear();
lcdPrint(0,0,"Current:");
lcd.print(minMeasure);
lcdPrint(0,1,"Required:");
//lcd.print(minMeasure);
}
// to print on LCD
void lcdPrint(int col,int row, String data ){
lcd.setCursor(col,row);
lcd.print(data);
}
// encoder read
void readEncoder(){
int output[2];
for (int i=0;i<25;i++){
digitalWrite(encoderClock, LOW);
delayMicroseconds(monoflopTime);
digitalWrite(encoderClock, HIGH);
delayMicroseconds(monoflopTime);
encoderRead[i]=digitalRead(encoderData);
}
for(int i=0; i<12;i++){
revs[i]=encoderRead[i];
}
for (int i=0; i<13;i++){
divs[i]=encoderRead[i+12];
}
divNumber = 0;
for (int i = 0; i <13; i ++){
divNumber = (divNumber<<1) | (divs[i]);
}
revNumber = 0;
for (int i = 0; i <12; i ++){
revNumber = (revNumber<<1) | (revs[i]);
}
}
// function for GO button
void go(){
long rdivNumber=(requiredPosition%revDistance);
rdivNumber=rdivNumber*4096/revDistance;
rdivNumber = rdivNumber+divNumber;
int rrevNumber= int(requiredPosition/revDistance)+revNumber;
do{
moterdir2();
readEncoder();
int incresediv=divNumber-homediv;
currentPosition=incresediv*revDistance/4096;
lcd.setCursor(8,0);
lcd.print(currentPosition);
if(!digitalRead(pos_limit)){
maxlimit();
}
}
while(rdivNumber>divNumber && rrevNumber>revNumber);
}
//**********************************************
void setup(){
lcd.begin(16,2);// lcd initilize
//pin mode assigning
for (int i=22;i<=28;i++){
pinMode(i,INPUT);
}
pinMode(moter1,OUTPUT);
pinMode(moter2,OUTPUT);
pinMode(encoderClock,OUTPUT);
pinMode(encoderData,INPUT);
pinMode(homelimitled,OUTPUT);
pinMode(stopled,OUTPUT);
pinMode(neg_limit, INPUT);
pinMode(pos_limit, INPUT);
lcd.print("Electric saw ");
lcd.setCursor(0, 2);
lcd.print("control system");
attachInterrupt(0, moterStopbtn, LOW);
//attachInterrupt(2, moterStop, LOW);
attachInterrupt(3, maxlimit, LOW);
//digitalWrite(moter1,HIGH);
//digitalWrite(moter2,HIGH);
digitalWrite(encoderClock, HIGH);
digitalWrite(homelimitled, LOW);
digitalWrite(stopled, LOW);
digitalWrite(moter1, HIGH);
digitalWrite(moter2, HIGH);
moterdir1(); // set moter rotate
onStart(); // run strat sequence
}
void loop(){
/* readEncoder();
lcd.clear();
lcd.print(divNumber);*/
// read up button
if (!digitalRead(inc_btn)){
requiredPosition+=minMeasure;
while(!digitalRead(inc_btn)){};
}
// read down button
if (!digitalRead(dec_btn)){
requiredPosition-=minMeasure;
while(!digitalRead(dec_btn)){};
}
if(!digitalRead(go_btn)){
digitalWrite(homelimitled,LOW);
go();
}
if(!digitalRead(home_btn)){
digitalWrite(stopled,LOW);
onStart();
}
//Display the required position
lcdPrint(0,0,"Current:");
lcd.print(currentPosition);
lcdPrint(0,1,"Required:");
lcd.setCursor(9,1);
lcd.print(requiredPosition);
lcd.print(" ");
}
