/// <summary>
/// Open connection to Plathosys device
/// </summary>
/// <returns>successful?</returns>
private bool OpenPlathosys()
{
// choose specific USB ID or 0 for first Device found
int vendorID = 0;
int productID = 0;
// Variables to store found IDs
int selectedVendorID;
int selectedProductID;
// Stringbuilder instances to store DeviceName and SerialNumber with max. 200 characters
StringBuilder deviceName = new StringBuilder(200);
StringBuilder serialNumber = new StringBuilder(200);
try
{
if (Plathosys.Opendevice(vendorID, productID,
out selectedVendorID, out selectedProductID,
deviceName, serialNumber))
{
return(true);
}
}
catch
{
Plathosys.Closedevice();
}
return(false);
}
/// <summary>
/// Read hook info
/// </summary>
/// <param name="hookOff"></param>
/// <returns>succesful?</returns>
private bool ReadHookPlathosys(out bool hookOff)
{
int hookAndPttInfo;
try
{
// If reading the hook info succeeds
if (Plathosys.ReadHookAndPTT(out hookAndPttInfo))
{
hookOff = ((hookAndPttInfo & 1) == 1) ? true : false;
return(true);
}
}
catch
{
Plathosys.Closedevice();
}
hookOff = false;
return(false);
}
/// <summary>
/// Initialize the Plathosys device to get correct hook status
/// </summary>
/// <returns>succesful?</returns>
private bool InitPlathosys()
{
byte info1, info2, info3, info4, info5, info6, info7, info8, info9, info10;
byte info11, info12, info13, info14, info15, info16;
try
{
if (Plathosys.ReadCurrentInfodB(out info1, out info2, out info3, out info4,
out info5, out info6, out info7, out info8, out info9, out info10,
out info11, out info12, out info13, out info14, out info15, out info16))
{
return(true);
}
}
catch
{
Plathosys.Closedevice();
}
hookOff = false;
return(false);
}
/// <summary>
/// Read hook state and raise HoockChanged event
/// </summary>
/// <param name="sender"></param>
private void timerHook_Tick(object sender)
{
bool tmpHookOff;
// If reading Hook Info succeeds
if (ReadHookPlathosys(out tmpHookOff))
{
// Raise HookChanged event according to hookInfo if hook status changed
if (tmpHookOff != hookOff)
{
hookOff = tmpHookOff;
OnHookChanged(hookOff);
}
}
else
{
// Close connecion to Plathsoys device and retry
Plathosys.Closedevice();
timerHook.Change(Timeout.Infinite, Timeout.Infinite);
timerInitPlathosys.Change(10, 1000);
}
}