#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);  // I2C address 0x27, 16 column and 2 rows

//#include <TM1637Display.h>

#define start_f 6
// define input pins with internal pull-up
#define s90 10
#define s120 11
#define s180 12
#define Test_s 13

int time_scale = 4;
int time_pins[4] = { s90, s120, s180, Test_s };
int move_time;
boolean start_flag = false;

void setup() {

  lcd.init();  // initialize the lcd
  lcd.backlight();
  lcd.clear();  // clear display
  lcd.setCursor(0, 0);
  int w = 0;
  while (w < time_scale) {  // sets the time setting ports with internal pull-up
    pinMode(time_pins[w], INPUT_PULLUP);
    w++;
  }

}
void loop() {
  lcd.clear();  // clear display
  get_move_time();
  Start_Button();
}  // end of main loop

void get_move_time() {
  int time_status[] = { 0, 1, 2, 3 };  // simulate time settings for testing
  for (int z = 0; z < time_scale; z++) {
    // time_status[z] = digitalRead(time_pin[z]);   read switch settings
    lcd.clear();  // clear display
    move_time = 0;  // set default value for testing
    lcd.print("Status ");
    if (time_status[z] == 0) {
      move_time = 10;
    } else if (time_status[z] == 1) {
      move_time = 20;
    } else if (time_status[z] == 2) {
      move_time = 30;
    }
    else if (time_status[z] == 3) {
      move_time = 40;
    }
    lcd.print(time_status[z]); 
    lcd.print(" ");
    lcd.setCursor(9, 1);
    lcd.print("M = ");
    lcd.print(move_time);
 
    delay(2000);
  }
}

void Start_Button() {
  lcd.setCursor(0, 0);
  //lcd.print("Press to Start");
  while (digitalRead(start_f) == false) start_flag = digitalRead(start_f);  // remain here until button is pressed
}