/// <summary>
///
/// </summary>
/// <returns></returns>
public static string GetDataFromScale()
{
if (device != null)
{
device.Close();
}
device = new UART();
device.Open(
MyGlobal.MySetting.SerialPortName,
MyGlobal.MySetting.SerialBaudRate,
MyGlobal.MySetting.SerialDataBits,
myConverter.FromStringToSerialParity(MyGlobal.MySetting.SerialParity),
myConverter.FromStringToSerialStopBits(MyGlobal.MySetting.SerialStopBits)
);
if (device == null)
{
return(null);
}
if (device.IsConnected() == false)
{
return(null);
}
//clear serial receive buffer
string data = null;
device.Read();
//wait time
int wait_time; bool r = int.TryParse(MyGlobal.MySetting.WaitTime, out wait_time);
wait_time = r ? wait_time : 100;
Thread.Sleep(wait_time);
//read newest data
data = device.Read();
if (data == null)
{
return(null);
}
//process data
string value = null;
if (data.Contains("\r\n"))
{
string[] buffer = data.Split(new string[] { "\r\n" }, StringSplitOptions.None);
value = buffer[buffer.Length - 2].Trim();
}
device.Close();
return(value);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public bool Close()
{
try {
if (device != null && IsConnected == true)
{
return(device.Close());
}
return(true);
}
catch {
return(false);
}
}
//Calling this Function
private void Connect_Click(object sender, EventArgs e)
{
if (btnConnect.Text == "CONNECT")
{
btnConnect.Text = "DISCONNECT";
btnStart.Enabled = true;
btnStop.Enabled = true;
UART.Open();
Status.Text = "Đã kết nối";
}
else
{
btnConnect.Text = "CONNECT";
btnStart.Enabled = false;
btnStop.Enabled = false;
Status.Text = "Dừng kết nối";
UART.Close();
}
}
private void BtnDisconnect_Click(object sender, EventArgs e)
{
try
{
if (UART.IsOpen)
{
while (UART.BytesToWrite > 0)
{
}
UART.DiscardInBuffer();
UART.Dispose();
UART.Close();
btnConnect.Enabled = true;
btnDisconnect.Enabled = false;
lblStatus.Text = "Port is closed !";
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void BtnConnect_Click(object sender, EventArgs e)
{
try
{
if (UART.IsOpen == true)
{
UART.DiscardInBuffer();
UART.Close();
}
UART.PortName = cbxCom.Text;
UART.Open();
lblStatus.Text = "PC is connecting with " + UART.PortName.ToString();
if (UART.IsOpen == true)
{
btnConnect.Enabled = false;
btnDisconnect.Enabled = true;
btnStart.Enabled = true;
}
}
catch
{
MessageBox.Show("Bạn chưa chọn cổng COM !");
}
}
private void bntConnect_Click(object sender, EventArgs e)
{
if (bntConnect.Text == "CONNECT")
{
try
{
if (cbCom.Text == "" || cbBaur.Text == "")
{
lbStripStatus.Text = "Please select PORT setting.";
}
else
{
UART.PortName = cbCom.Text;
UART.BaudRate = Convert.ToInt32(cbBaur.Text);
UART.Open();
progressBar.Value = 100;
UART.Write("R");
if (bntMode.Text == "MODE 1")
{
UART.Write("2");
}
else if (bntMode.Text == "MODE 2")
{
UART.Write("1");
}
lbStripStatus.Text = "CONNECT TO " + UART.PortName;
bntConnect.Text = "DISCONNECT";
cbCom.Enabled = false;
cbBaur.Enabled = false;
bntGate.Enabled = true;
bntReset.Enabled = true;
bntReady.Enabled = true;
bntSend.Enabled = true;
bntMode.Enabled = true;
tbTx.Enabled = true;
}
}
catch (UnauthorizedAccessException)
{
lbStripStatus.Text = "Unauthor Access.";
}
}
else
{
progressBar.Value = 0;
UART.Write("R");
UART.Close();
CountDown.Stop();
Watch.Stop();
TimerWatch.Stop();
lbCountDown.Text = "READY";
lbWatch1.Text = "00:00:000";
lbWatch2.Text = "00:00:000";
bntConnect.Text = "CONNECT";
cbCom.Enabled = true;
cbBaur.Enabled = true;
bntGate.Enabled = false;
bntReady.Enabled = false;
bntStart.Enabled = false;
bntSend.Enabled = false;
bntMode.Enabled = false;
tbTx.Enabled = false;
}
}
public static bool Output(LampStatus lampstatus)
{
try {
if (thrlamp != null)
{
if (thrlamp.IsAlive == true)
{
thrlamp.Abort();
device.Write("0");
Thread.Sleep(100);
device.Close();
}
}
if (device != null)
{
device.Close();
}
device = new UART();
device.Open(
MyGlobal.MySetting.LampPortName,
MyGlobal.MySetting.LampBaudRate,
MyGlobal.MySetting.LampDataBits,
myConverter.FromStringToSerialParity(MyGlobal.MySetting.LampParity),
myConverter.FromStringToSerialStopBits(MyGlobal.MySetting.LampStopBits)
);
if (device == null)
{
return(false);
}
if (device.IsConnected() == false)
{
return(false);
}
int _ref = (int)lampstatus;
switch (_ref)
{
case -1: {
MyGlobal.OutputLamp = "0"; // off all lamp
break;
}
case 0: {
MyGlobal.OutputLamp = "p"; //on led green
break;
}
case 1: {
MyGlobal.OutputLamp = "f"; //on led red
break;
}
case 2: {
MyGlobal.OutputLamp = "w"; //on led yellow
break;
}
default: {
MyGlobal.OutputLamp = "0";
break;
}
}
thrlamp = new Thread(new ThreadStart(() => {
if (MyGlobal.OutputLamp == "0")
{
device.Write("0");
Thread.Sleep(100);
device.Close();
}
else
{
device.Write(MyGlobal.OutputLamp);
int delay = MyGlobal.OutputLamp == "p" ? 500 : 3000;
Thread.Sleep(delay);
device.Write("0");
Thread.Sleep(100);
device.Close();
}
}));
thrlamp.IsBackground = true;
thrlamp.Start();
return(true);
}
catch {
return(false);
}
}
////ST, GS,+ 0.0 g
////ST, GS,+ 106.9 g
////US, GS,+ 1.2 g
/// <summary>
/// Return null if device is not connect
/// </summary>
/// <returns></returns>
public static string GetWeight()
{
if (device != null)
{
device.Close();
}
device = new UART();
device.Open(
MyGlobal.MySetting.SerialPortName,
MyGlobal.MySetting.SerialBaudRate,
MyGlobal.MySetting.SerialDataBits,
myConverter.FromStringToSerialParity(MyGlobal.MySetting.SerialParity),
myConverter.FromStringToSerialStopBits(MyGlobal.MySetting.SerialStopBits)
);
if (device == null)
{
return(null);
}
if (device.IsConnected() == false)
{
return(null);
}
int count = 0;
REP:
count++;
//clear serial receive buffer
string data = null;
device.Read();
int wait_time; bool r = int.TryParse(MyGlobal.MySetting.WaitTime, out wait_time);
wait_time = r ? wait_time : 100;
Thread.Sleep(wait_time);
//get data newest
data = device.Read();
//process data
string value = null;
string sign = "";
if (data.Contains("\r\n"))
{
string[] buffer = data.Split(new string[] { "\r\n" }, StringSplitOptions.None);
value = buffer[buffer.Length - 2].Trim();
try {
buffer = value.Split(',');
value = buffer[2].Replace("g", "").Replace("-", "").Replace("+", "").Trim();
sign = buffer[2].Contains("-") ? "-" : "";
value = sign + value;
}
catch {
if (count < 3)
{
goto REP;
}
}
}
device.Close();
if (count >= 3)
{
return(null);
}
else
{
return(value);
}
}
public void Close(){
myUART.Close();
}
// -- Close the Serial Port
void ClosePort(object sender, EventArgs e)
{
UART.Close();
lbl_status.Text = "Serial Port Disconnected from Microcontroller";
}
