/*

General Purpose counter

*/

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

#define buttonA 12   //reset
#define buttonB 11   //up
#define buttonC 10   // down
#define buttonD 19   // step
#define buttonE 19   // mode  Count 2/4/8/16
#define SpeedPot A0  // Sets the count Speed bits/s
//IC 74595
#define SHIFT_DATA 2
#define SHIFT_CLK 3
#define SHIFT_LATCH 4

int mainCounter = 0;
int maxCount = 0;


void setOutput(int address) {
  shiftOut(SHIFT_DATA, SHIFT_CLK, MSBFIRST, (address >> 8) );
  shiftOut(SHIFT_DATA, SHIFT_CLK, MSBFIRST, address);
  digitalWrite(SHIFT_LATCH, LOW);
  digitalWrite(SHIFT_LATCH, HIGH);
  digitalWrite(SHIFT_LATCH, LOW);
}


void setup() {
 lcd.init();
 lcd.backlight();
 pinMode(SHIFT_DATA, OUTPUT);
 pinMode(SHIFT_CLK, OUTPUT);
 pinMode(SHIFT_LATCH, OUTPUT);
 
 pinMode(buttonA,INPUT_PULLUP);
 pinMode(buttonB,INPUT_PULLUP);
 pinMode(buttonC,INPUT_PULLUP);
 pinMode(buttonD,INPUT_PULLUP);
 pinMode(SpeedPot,INPUT);
}

void loop() {

// Reset Counter 
if(digitalRead(buttonA) == LOW )
{
int mainCounter = 0;
}

// Toggle count mode
if(digitalRead(buttonB) == LOW ) 
{
 if(maxCount=65535) maxCount = 4;

 if(maxCount=255) maxCount = 8;

 if(maxCount=8) maxCount = 4;

 if(maxCount=4) maxCount = 65525;
}



void countPrint(int value){
  lcd.setCursor(1,0);lcd.print(value,DEC);
}


countSet(){
  switch() {
    case 1:break;
    case 2:break;
    case 3:break;
    case 4:break;

  }
}