/// <summary>
/// Store the passed in "boot vars" as the system's current "boot vars".
/// </summary>
/// <param name="bootVars"></param>
internal static void Save(BootVars bootVars)
{
bool success = false;
try
{
unsafe
{
success = bootvars_write(ref bootVars); // Will set LastError on failure.
}
if (!success)
{
int lastError = WinCeApi.GetLastError();
throw new ConfigurationException(string.Format("Error {0} writing BootVars", lastError));
}
}
catch (ConfigurationException)
{
throw;
}
catch (Exception ex)
{
throw new ConfigurationException("Error writing BootVars", ex);
}
finally
{
bootvars_deinit();
}
}
/// <summary>
/// Checks a given pressure switch and returns.
/// </summary>
/// <param name="position">The position of the switch to check</param>
/// <returns>True, if the pressure is good</returns>
public static bool CheckPressureSwitch(int position)
{
if (!IsPressureSwitchPresent(position))
{
return(true);
}
int success = 0;
ushort data = 0;
for (int attempt = 1; attempt <= 10; attempt++)
{
unsafe
{
success = GetPressureSwitchState(Convert.ToByte(position), &data); // returns 1 on success, 0 on error
}
if (success != 0) // success?
{
break;
}
Log.Error(string.Format("Error calling GetPressureSwitchState({0}), attempt {1}, GetLastError={2}", position, attempt, WinCeApi.GetLastError()));
Thread.Sleep(100);
}
if (success == 0) // error?
{
int lastError = WinCeApi.GetLastError();
Log.Error(string.Format("Failure in GetPressureSwitchState({0}), GetLastError={1}", position, lastError));
throw new DeviceDriverException(DeviceHardware.PressureSwitchState, position, lastError);
}
return(data == 0);
}
/// <summary>
/// Return the system's current "boot vars"
/// </summary>
/// <returns></returns>
static internal BootVars Load()
{
BootVars bootVars = new BootVars();
bool success = false;
try
{
unsafe
{
success = bootvars_read(ref bootVars); // Will set LastError on failure.
}
if (!success)
{
int lastError = WinCeApi.GetLastError();
throw new ConfigurationException(string.Format("Error {0} reading BootVars", lastError));
}
}
catch (ConfigurationException)
{
throw;
}
catch (Exception ex)
{
throw new ConfigurationException("Error reading BootVars", ex);
}
finally
{
bootvars_deinit();
}
return(bootVars);
}
/// <summary>
/// Returns a value indicating whether there is smart card present in a given slot.
/// </summary>
/// <param name="position">The card slot number</param>
/// <returns>True if there is a card in the slot, 0 if not.</returns>
public static bool IsCardPresent(int position)
{
ushort data = 0;
int error = 0;
for (int attempt = 1; attempt <= 10; attempt++)
{
unsafe
{
error = GetSmartCardPresence(Convert.ToByte(position), &data); // returns 1 on error, 0 on success
}
if (error == 0) // success?
{
break;
}
Log.Error(string.Format("Error calling GetSmartCardPresence({0}), attempt {1}, GetLastError={2}", position, attempt, WinCeApi.GetLastError()));
Thread.Sleep(100);
}
if (error != 0) // error?
{
int lastError = WinCeApi.GetLastError();
Log.Error(string.Format("Failure in GetSmartCardPresence({0}), GetLastError={1}", position, lastError));
throw new DeviceDriverException(DeviceHardware.SmartCardPresence, position, lastError);
}
return(data != 0);
}
