static CashDrawerResult OpenCashDrawer()
{
/*
* LibUsbDotNet.Main.UsbDeviceFinder finder = new LibUsbDotNet.Main.UsbDeviceFinder(0x0451, 0x0909);
* LibUsbDotNet.UsbDevice device = LibUsbDotNet.UsbDevice.OpenUsbDevice(finder);
*
* LibUsbDotNet.IUsbDevice iusb = (device as LibUsbDotNet.IUsbDevice);
* if (iusb != null)
* {
* iusb.SetConfiguration(1);
* iusb.ClaimInterface(0);
* }
*
* LibUsbDotNet.UsbEndpointWriter writer = device.OpenEndpointWriter(LibUsbDotNet.Main.WriteEndpointID.Ep01);
* int transferLength = 0;
*
* System.IO.MemoryStream ms = new System.IO.MemoryStream();
* UniversalEditor.IO.BinaryWriter bw = new UniversalEditor.IO.BinaryWriter(ms);
* bw.WriteFixedLengthString("a\r\n");
* bw.Close();
* byte[] data = ms.ToArray();
*
* writer.Write(data, 1000, out transferLength);
* writer.Flush();
*
* device.Close();
*/
System.IO.Ports.SerialPort port = new System.IO.Ports.SerialPort("COM1");
port.Open();
bool p = port.IsOpen;
port.ReadTimeout = 1000;
int status = port.ReadChar();
CashDrawerResult result = CashDrawerResult.Undefined;
if (status == 1)
{
port.Write("a");
// close and reopen the port to reset - otherwise the driver
// caches the result of the next status read (probably because it
// assumes the drawer opened successfully after an attempt to open it?)
port.Close();
port.Open();
System.Threading.Thread.Sleep(100);
status = port.ReadChar();
if (status == 1)
{
// cash drawer is closed
nid.ShowBalloonTip(3000, "Cash drawer did not open", "The open command was sent, but the cash drawer reported that it is still closed. Is there something blocking the tray?", ToolTipIcon.Error);
result = CashDrawerResult.Locked;
}
else
{
// cash drawer is open
nid.ShowBalloonTip(3000, "Cash drawer opened", "Please accept the customer's payment and issue the correct change. Don't forget to thank them for their business!", ToolTipIcon.Info);
result = CashDrawerResult.Opened;
}
}
else
{
// cash drawer is open
nid.ShowBalloonTip(3000, "Cash drawer did not open", "The cash drawer reported that it is already open.", ToolTipIcon.Error);
result = CashDrawerResult.AlreadyOpened;
}
port.Close();
return(result);
}
static void service_RequestReceived(object sender, Indigo.Services.FileSystem.FileSystemRequestReceivedEventArgs e)
{
Indigo.Protocols.HTTP.HTTPProtocol http = (e.Client.Protocol as Indigo.Protocols.HTTP.HTTPProtocol);
string pathName = e.ObjectName;
string queryString = String.Empty;
if (e.ObjectName.Contains("?"))
{
pathName = e.ObjectName.Substring(0, e.ObjectName.IndexOf("?"));
queryString = e.ObjectName.Substring(e.ObjectName.IndexOf("?") + 1);
}
Dictionary <string, string> queryStringValues = new Dictionary <string, string>();
string[] queryStringSplit = queryString.Split(new char[] { '&' });
foreach (string queryStringParam in queryStringSplit)
{
string[] queryStringParamNameAndValue = queryStringParam.Split(new char[] { '=' }, 2);
string queryStringParamName = queryStringParamNameAndValue[0];
string queryStringParamValue = String.Empty;
if (queryStringParamNameAndValue.Length > 1)
{
queryStringParamValue = queryStringParamNameAndValue[1];
}
queryStringValues[queryStringParamName] = queryStringParamValue;
}
if (queryStringValues.ContainsKey("jsonp"))
{
http.Response.TextWriter.Write(queryStringValues["jsonp"] + "(");
}
switch (pathName)
{
#region Sydne.js
case "/Sydne.js":
{
http.Response.Headers.Add(Indigo.Protocols.HTTP.HTTPResponseHeaderType.ContentType, "text/plain");
http.Response.TextWriter.WriteLine("if (typeof XMLHttpRequest === \"undefined\") { XMLHttpRequest = function () { try { return new ActiveXObject(\"Msxml2.XMLHTTP.6.0\"); } catch (e) {} try { return new ActiveXObject(\"Msxml2.XMLHTTP.3.0\"); } catch (e) {} try { return new ActiveXObject(\"Microsoft.XMLHTTP\"); } catch (e) {} throw new Error(\"This browser does not support XMLHttpRequest.\"); }; }");
http.Response.TextWriter.Write("var Sydne = { ");
http.Response.TextWriter.Write("\"Available\": true,");
http.Response.TextWriter.Write("\"CashDrawer\": { ");
http.Response.TextWriter.Write("\"Open\": function() { ");
http.Response.TextWriter.Write("try { ");
http.Response.TextWriter.Write("var xhr = new XMLHttpRequest(); xhr.open('GET', 'http://localhost:27248/CashDrawer/Open', false); xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); xhr.send(null);");
http.Response.TextWriter.Write("} catch (ex) { }");
http.Response.TextWriter.Write(" }");
http.Response.TextWriter.Write(" }, ");
http.Response.TextWriter.Write("\"ExternalDisplay\": { ");
http.Response.TextWriter.Write("\"LogoText\": function(text) { ");
http.Response.TextWriter.Write("try { ");
http.Response.TextWriter.Write("var xhr = new XMLHttpRequest(); xhr.open('GET', 'http://localhost:27248/ExternalDisplay/LogoText?text=' + JH.Utilities.UrlEncode(text), true); xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); xhr.send(null);");
http.Response.TextWriter.Write("} catch (ex) { }");
http.Response.TextWriter.Write(" }, ");
http.Response.TextWriter.Write("\"SaleDetail\": function(text) { ");
http.Response.TextWriter.Write("try { ");
http.Response.TextWriter.Write("var xhr = new XMLHttpRequest(); xhr.open('GET', 'http://localhost:27248/ExternalDisplay/SaleDetail?text=' + JH.Utilities.UrlEncode(text), true); xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); xhr.send(null);");
http.Response.TextWriter.Write("} catch (ex) { }");
http.Response.TextWriter.Write(" }, ");
http.Response.TextWriter.Write("\"SaleFinal\": function(subtotal, tax, tendered) { ");
http.Response.TextWriter.Write("try { ");
http.Response.TextWriter.Write("var xhr = new XMLHttpRequest(); xhr.open('GET', 'http://localhost:27248/ExternalDisplay/SaleFinal?subtotal=' + subtotal + '&tax=' + tax + '&tendered=' + tendered, true); xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); xhr.send(null);");
http.Response.TextWriter.Write("} catch (ex) { alert(ex); }");
http.Response.TextWriter.Write(" } ");
http.Response.TextWriter.Write(" } ");
/*
* http.Response.TextWriter.Write("\"Mifare\": { ");
* http.Response.TextWriter.Write("\"Scan\": function() { ");
*
* http.Response.TextWriter.Write("var script = document.createElement(\"SCRIPT\");");
* http.Response.TextWriter.Write("script.setAttribute(\"type\", \"text/javascript\");");
* http.Response.TextWriter.Write("script.setAttribute(\"src\", \"http://localhost:27248/Mifare/Scan?jsonp=__AJAX2103_ProcessLogin\");");
* http.Response.TextWriter.Write("script.onload = function() { if (!loginSuccessful) tryLogin(); }; document.body.appendChild(script);");
*
* http.Response.TextWriter.Write(" }");
* http.Response.TextWriter.Write(" }");
*/
http.Response.TextWriter.Write(" };");
break;
}
#endregion
#region Cash Drawer
case "/CashDrawer/Open":
{
http.Response.Headers.Add(Indigo.Protocols.HTTP.HTTPResponseHeaderType.ContentType, "text/plain");
try
{
CashDrawerResult result = OpenCashDrawer();
switch (result)
{
case CashDrawerResult.Opened:
{
http.Response.TextWriter.Write("{ \"result\": \"success\", \"status\": \"Opened\" }");
break;
}
case CashDrawerResult.AlreadyOpened:
{
http.Response.TextWriter.Write("{ \"result\": \"success\", \"status\": \"AlreadyOpened\" }");
break;
}
case CashDrawerResult.Locked:
{
http.Response.TextWriter.Write("{ \"result\": \"success\", \"status\": \"Locked\" }");
break;
}
}
}
catch (Exception ex)
{
http.Response.TextWriter.Write("{ \"result\": \"failure\", \"errorType\": \"" + ex.GetType().FullName + "\", \"errorMessage\": \"" + ex.Message + "\" }");
}
break;
}
/*
* case "/CashDrawer/Close":
* {
* try
* {
* CloseCashDrawer();
* http.Response.TextWriter.Write("{ \"result\": \"success\", \"status\": \"closed\" }");
* }
* catch (Exception ex)
* {
* http.Response.TextWriter.Write("{ \"result\": \"failure\", \"errorType\": \"" + ex.GetType().FullName + "\", \"errorMessage\": \"" + ex.Message + "\" }");
* }
* break;
* }
*/
#endregion
#region RFID Reader
case "/Mifare/Scan":
{
http.Response.Headers.Add(Indigo.Protocols.HTTP.HTTPResponseHeaderType.ContentType, "text/plain");
try
{
Mifare.Device device = new Mifare.Device();
DateTime time = DateTime.Now;
int timeoutMilliseconds = 5000;
byte[] data = null;
while (!mvarResetMifareDevice)
{
try
{
device.Blink(8, 1);
data = device.Read(Mifare.DataEncoding.S50S70);
break;
}
catch (Mifare.CardNotPresentException ex)
{
}
catch (Mifare.DeviceNotPresentException ex)
{
http.Response.TextWriter.Write("{ \"result\": \"failure\", \"message\": \"The card reader is not connected.\", \"remedy\": \"ConnectDevice\" }");
break;
}
catch (Exception ex)
{
http.Response.TextWriter.Write("{ \"result\": \"failure\", \"message\": \"" + ex.Message + "\" }");
break;
}
/*
* TimeSpan ts = DateTime.Now.Subtract(time);
* if (ts.TotalMilliseconds > timeoutMilliseconds)
* {
* http.Response.TextWriter.Write("{ \"result\": \"failure\", \"message\": \"No card present\" }");
* break;
* }
*/
if (!e.Client.IsConnected)
{
break;
}
}
mvarResetMifareDevice = false;
if (data != null)
{
string w = System.Text.Encoding.ASCII.GetString(data);
if (w.Contains("\0"))
{
w = w.Substring(0, w.IndexOf("\0"));
}
/*
* if (!w.Contains(" "))
* {
* http.Response.TextWriter.Write("{ \"result\": \"failure\", \"message\": \"Invalid credential card\" }");
* break;
* }
*/
device.Chirp(5, 1);
http.Response.TextWriter.Write("{ \"result\": \"success\", \"content\": \"" + JH.Utilities.JavaScriptEncode(w, "\"") + "\" }");
break;
}
}
catch (Exception ex)
{
http.Response.TextWriter.Write("{ \"result\": \"failure\", \"errorType\": \"" + ex.GetType().FullName + "\", \"errorMessage\": \"" + ex.Message + "\" }");
}
break;
}
case "/Mifare/Reset":
{
mvarResetMifareDevice = true;
break;
}
/*
* case "/CashDrawer/Close":
* {
* try
* {
* CloseCashDrawer();
* http.Response.TextWriter.Write("{ \"result\": \"success\", \"status\": \"closed\" }");
* }
* catch (Exception ex)
* {
* http.Response.TextWriter.Write("{ \"result\": \"failure\", \"errorType\": \"" + ex.GetType().FullName + "\", \"errorMessage\": \"" + ex.Message + "\" }");
* }
* break;
* }
*/
#endregion
#region External Display
case "/ExternalDisplay/LogoText":
{
SetEDWMode(ExternalDisplayMode.LogoText);
string text = (e.Client.Protocol as Indigo.Protocols.HTTP.HTTPProtocol).Request.QueryString["text"];
text = JH.Utilities.UrlDecode(text);
SetEDWText(text);
http.Response.TextWriter.Write("{ \"result\": \"success\" }");
break;
}
case "/ExternalDisplay/SaleDetail":
{
SetEDWMode(ExternalDisplayMode.SaleDetail);
string text = (e.Client.Protocol as Indigo.Protocols.HTTP.HTTPProtocol).Request.QueryString["text"];
text = JH.Utilities.UrlDecode(text);
SetEDWText(text);
http.Response.TextWriter.Write("{ \"result\": \"success\" }");
break;
}
case "/ExternalDisplay/SaleFinal":
{
SetEDWMode(ExternalDisplayMode.SaleFinal);
string sSubtotal = http.Request.QueryString["subtotal"];
double dSubtotal = 0.00;
Double.TryParse(sSubtotal, out dSubtotal);
string sTax = http.Request.QueryString["tax"];
double dTax = 0.00;
Double.TryParse(sTax, out dTax);
string sTendered = http.Request.QueryString["tendered"];
double dTendered = 0.00;
Double.TryParse(sTendered, out dTendered);
SetEDWFinal(dSubtotal, dTax, dTendered);
http.Response.TextWriter.Write("{ \"result\": \"success\" }");
break;
}
#endregion
#region Unknown Command
default:
{
http.Response.TextWriter.Write("{ \"result\": \"failure\", \"errorMessage\": \"Unknown command\" }");
break;
}
#endregion
}
if (queryStringValues.ContainsKey("jsonp"))
{
http.Response.TextWriter.Write(");");
}
http.Response.TextWriter.Flush();
e.PreventDefault = true;
}
