//Barcode Decoder
private void CodeDecode(string value)
{
int code;
try
{
//uses binary value of barcode converted to integer
code = int.Parse(value);
switch (code)
{
case 1: TXT_Debug.AppendText("<< Allergen Red" + Environment.NewLine); break;
case 10: TXT_Debug.AppendText("<< Allergen Green" + Environment.NewLine); break;
case 100: TXT_Debug.AppendText("<< Allergen Blue" + Environment.NewLine); break;
case 1000: TXT_Debug.AppendText("<< Allergen Yellow" + Environment.NewLine); break;
case 11: TXT_Debug.AppendText("<< Allergen Orange" + Environment.NewLine); break;
case 101: TXT_Debug.AppendText("<< Allergen White" + Environment.NewLine); break;
case 1001: TXT_Debug.AppendText("<< Allergen Black" + Environment.NewLine); break;
case 0: TXT_Debug.AppendText("<< Allergen None" + Environment.NewLine); break;
default: TXT_Debug.AppendText("<< Decode Error" + Environment.NewLine); break;
}
}
catch (FormatException)
{
MessageBox.Show("Decode Error");
}
}
private void BTN_Start_Click(object sender, EventArgs e)
{
string B_return = null;
string S_Com = null;
TXT_Debug.Text = "";
try
{
//Query Mbed Availible
serial.WriteLine("?");
//Print to txt box
TXT_Debug.AppendText(">> ?" + Environment.NewLine);
S_Com = serial.ReadLine();
TXT_Debug.AppendText("<< " + S_Com + Environment.NewLine);
int S_return = int.Parse(S_Com);
//error handling
if (S_return == ERROR && S_Com != null)
{
MessageBox.Show("RETURNED: ERROR");
}
else
{
//Request Barcode
serial.WriteLine("B");
TXT_Debug.AppendText(">> B" + Environment.NewLine);
B_return = serial.ReadLine();
TXT_Debug.AppendText("<< " + B_return + Environment.NewLine);
//if barcode returned
if (B_return != null)
{
//decode Barcode
CodeDecode(B_return);
TXT_Debug.AppendText(">> X" + Environment.NewLine);
//Request Number of Snacks
serial.WriteLine("X");
}
string D_return = serial.ReadLine();
TXT_Debug.AppendText("<< " + D_return + Environment.NewLine);
//Set Maximum number of snacks
NUD_Num.Maximum = int.Parse(D_return);
}
}
catch (TimeoutException)
{
MessageBox.Show("ERROR TIMEOUT");
TXT_Debug.AppendText("E> Timeout" + Environment.NewLine);
}
catch (InvalidOperationException)
{
MessageBox.Show("Please Open Serial Port");
}
}
private void BTN_Test_Click(object sender, EventArgs e)
{
try
{
//Dispense Mbed Command
serial.WriteLine("D&" + NUD_Num.Value);
//print to txt box
TXT_Debug.AppendText(">> D&" + NUD_Num.Value + Environment.NewLine);
string D_return_String = serial.ReadLine();
int D_return = int.Parse(D_return_String);
//error handling
if (D_return == ERROR)
{
MessageBox.Show("RETURNED: Error");
}
else
{
TXT_Debug.AppendText("<< " + D_return_String + Environment.NewLine);
}
}
catch (TimeoutException)
{
MessageBox.Show("ERROR TIMEOUT");
TXT_Debug.AppendText("E> Timeout" + Environment.NewLine);
}
catch (InvalidOperationException)
{
MessageBox.Show("Please Open Serial Port");
}
catch
{
MessageBox.Show("ERROR");
}
}