using System;
using System.Linq;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace z8092_01
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            MessageBox.Show("Please start your ISaGRAF application before press start button.",
                  "Button Clicked", MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
            timer1.Interval = 250;
            timer1.Enabled = true;
        }

        private void timer1_Tick(object sender, EventArgs e)
        {//scan ISaGRAF varibles
            ScanDI();
            ScanProperties();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //set ISaGRAF varible "start"=true.
            Quicker.UserShare.UserSetCoil(Convert.ToUInt16(1), 1);
        }

        private void ScanDI() 
        {
            //chech i8092f DI status
            byte di_value;
            Quicker.UserShare.UserGetCoil(Convert .ToUInt16 (2),out di_value );
            //limit+
            if (di_value == 1)
            {
                Limit_XP.BackColor = Color.Red;
            }
            else
            {
                Limit_XP.BackColor = Color.Black;
            }

            //limit-
            Quicker.UserShare.UserGetCoil(Convert.ToUInt16(3), out di_value);
            if (di_value == 1)
            {
                Limit_XN.BackColor = Color.Red;
            }
            else
            {
                Limit_XN.BackColor = Color.Black;
            }

            //Near Home signal
            Quicker.UserShare.UserGetCoil(Convert.ToUInt16(4), out di_value);
            if (di_value == 1)
            {
               NHome_X.BackColor = Color.Red;
            }
            else
            {
                NHome_X.BackColor = Color.Black;
            }

            //home signal
            Quicker.UserShare.UserGetCoil(Convert.ToUInt16(5), out di_value);
            if (di_value == 1)
            {
                Home_X.BackColor = Color.Red;
            }
            else
            {
                Home_X.BackColor = Color.Black;
            }

            //emergency signal
            Quicker.UserShare.UserGetCoil(Convert.ToUInt16(6), out di_value);
            if (di_value == 1)
            {
                EMG.BackColor = Color.Red;
            }
            else
            {
                EMG.BackColor = Color.Black;
            }
        }

        private void ScanProperties() 
        {
            int value;

            //read logic pulse 
            Quicker.UserShare.UserGetReg_Long(Convert.ToUInt16(7), out value);
            label3.Text = value.ToString();

            //read encoder pulse
            Quicker.UserShare.UserGetReg_Long(Convert.ToUInt16(9), out value);
            label4.Text = value.ToString();

            //switch step
            Quicker.UserShare.UserGetReg_Long(Convert.ToUInt16(11), out value);
            switch_step(value);
        }
        private void switch_step(int step_motion)
        {
            switch (step_motion) 
            {
                case 0:
                    label6.Text ="Please click start button to start.";
                    break;
                case 1:
                    label6.Text = "Now search near home signal.";
                    break;
                case 2:
                    label6.Text = "Now search home signal";
                    break;
                default :
                    label6.Text = "error !!! Please check your ISaGRAF I/O connection or Manual.";
                    break;
            }
        }
    }
}