private void TryUpdatePrinterStatus(byte[] bytes)
{
var bytesToString = BitConverter.ToString(bytes);
Logging.Logger?.LogDebug("[{Function}]:[{PrinterName}] TryUpdatePrinterStatus: Received flag values {bytesToString}", $"{this}.{MethodBase.GetCurrentMethod().Name}", PrinterName, bytesToString);
// Check header bits 0, 1 and 7 are 0, and 4 is 1
if (bytes[0].IsBitNotSet(0) && bytes[0].IsBitNotSet(1) && bytes[0].IsBitSet(4) && bytes[0].IsBitNotSet(7))
{
Status = new PrinterStatusEventArgs()
{
// byte[0] == 20 cash drawer closed
// byte[0] == 16 cash drawer open
// Note some cash drawers do not close properly.
IsCashDrawerOpen = bytes[0].IsBitNotSet(2),
IsPrinterOnline = bytes[0].IsBitNotSet(3),
IsCoverOpen = bytes[0].IsBitSet(5),
IsPaperCurrentlyFeeding = bytes[0].IsBitSet(6),
IsWaitingForOnlineRecovery = bytes[1].IsBitSet(0),
IsPaperFeedButtonPushed = bytes[1].IsBitSet(1),
DidRecoverableNonAutocutterErrorOccur = bytes[1].IsBitSet(2),
DidAutocutterErrorOccur = bytes[1].IsBitSet(3),
DidUnrecoverableErrorOccur = bytes[1].IsBitSet(5),
DidRecoverableErrorOccur = bytes[1].IsBitSet(6),
IsPaperLow = bytes[2].IsBitSet(0) && bytes[2].IsBitSet(1),
IsPaperOut = bytes[2].IsBitSet(2) && bytes[2].IsBitSet(3),
};
}
if (StatusChanged != null)
{
Logging.Logger?.LogDebug("[{Function}]:[{PrinterName}] Invoking Status Changed Event Handler...", $"{this}.{MethodBase.GetCurrentMethod().Name}", PrinterName);
StatusChanged?.Invoke(this, Status);
}
}
private void TryUpdatePrinterStatus(byte[] bytes, bool timeout)
{
if (timeout)
{
// try to reconnect
if (!IsConnected)
{
Reconnect();
}
// Test if re-connection worked
if (!IsConnected)
{
Status = new PrinterStatusEventArgs()
{
DeviceConnectionTimeout = true,
};
StatusChanged?.Invoke(this, Status);
}
return;
}
#if DEBUG
var bytesToString = string.Empty;
var index = 0;
foreach (var b in bytes)
{
bytesToString += $"index[{index}], value[{b}]\n";
index++;
}
Debug.WriteLine($"TryUpdatePrinterStatus: \n{bytesToString}");
#endif
// Check header bits 0, 1 and 7 are 0, and 4 is 1
if (bytes[0].IsBitNotSet(0) && bytes[0].IsBitNotSet(1) && bytes[0].IsBitSet(4) && bytes[0].IsBitNotSet(7))
{
Status = new PrinterStatusEventArgs()
{
// byte[0] == 20 cash drawer closed
// byte[0] == 16 cash drawer open
// Note some cash drawers do not close properly.
IsCashDrawerOpen = bytes[0].IsBitNotSet(2),
IsPrinterOnline = bytes[0].IsBitNotSet(3),
IsCoverOpen = bytes[0].IsBitSet(5),
IsPaperCurrentlyFeeding = bytes[0].IsBitSet(6),
IsWaitingForOnlineRecovery = bytes[1].IsBitSet(0),
IsPaperFeedButtonPushed = bytes[1].IsBitSet(1),
DidRecoverableNonAutocutterErrorOccur = bytes[1].IsBitSet(2),
DidAutocutterErrorOccur = bytes[1].IsBitSet(3),
DidUnrecoverableErrorOccur = bytes[1].IsBitSet(5),
DidRecoverableErrorOccur = bytes[1].IsBitSet(6),
IsPaperLow = bytes[2].IsBitSet(0) && bytes[2].IsBitSet(1),
IsPaperOut = bytes[2].IsBitSet(2) && bytes[2].IsBitSet(3),
DeviceConnectionTimeout = timeout,
};
}
StatusChanged?.Invoke(this, Status);
}
