Method DoFilePrint

src/GCodes/GCodes.cpp:663–850

Try to continue with a print from file, returning true if we did anything significant

// Try to continue with a print from file, returning true if we did anything significant
bool GCodes::DoFilePrint(GCodeBuffer& gb, const StringRef& reply) noexcept
{
#if HAS_SBC_INTERFACE
	if (reprap.UsingSbcInterface())
	{
		if (gb.IsFileFinished())
		{
			if (gb.IsFileChannel() && gb.LatestMachineState().GetPrevious() == nullptr)
			{
				// Finished printing SD card file.
				// We never get here if the file ends in M0 because CancelPrint gets called directly in that case.
				// Don't close the file until all moves have been completed, in case the print gets paused.
				// Also, this keeps the state as 'Printing' until the print really has finished.
# if SUPPORT_ASYNC_MOVES
				if (!DoSync(gb))												// wait until the other input stream has caught up
				{
					return false;
				}
# else
				if (!LockCurrentMovementSystemAndWaitForStandstill(gb))			// wait until movement has finished and deferred command queue has caught up
				{
					return false;
				}
# endif
				StopPrint(&gb, StopPrintReason::normalCompletion);
				return true;
			}

			if (!gb.IsMacroFileClosed())
			{
				// Finished a macro or finished processing config.g
				gb.MacroFileClosed();
				CheckFinishedRunningConfigFile(gb);

				// Pop the stack and notify the SBC that we have closed the file
				Pop(gb, false);
				gb.Init();
				gb.LatestMachineState().firstCommandAfterRestart = false;

				// Send a final code response
				if (gb.GetState() == GCodeState::normal)
				{
					UnlockAll(gb);
					if (!gb.LatestMachineState().lastCodeFromSbc || gb.LatestMachineState().macroStartedByCode)
					{
						HandleReply(gb, GCodeResult::ok, "");
					}
					CheckForDeferredPause(gb);
				}
				return true;
			}
			return false;
		}
		else
		{
			if (gb.LatestMachineState().waitingForAcknowledgement && gb.GetNormalInput() != nullptr)
			{
				if (gb.GetNormalInput()->FillBuffer(&gb))