Method RequestMacroFile

src/GCodes/GCodeBuffer/GCodeBuffer.cpp:1175–1210

This is only called when using the SBC interface and returns if the macro file could be opened

// This is only called when using the SBC interface and returns if the macro file could be opened
bool GCodeBuffer::RequestMacroFile(const char *filename, bool fromCode) noexcept
{
	if (!reprap.GetSbcInterface().IsConnected())
	{
		// Don't wait for a macro file if no SBC is connected
		return false;
	}

	// Request the macro file from the SBC
	macroJustStarted = macroFileError = macroFileEmpty = false;
	machineState->macroStartedByCode = fromCode;
	requestedMacroFile.copy(filename);

	// There is no need to block the main task if daemon.g is requested.
	// If it doesn't exist, DSF will simply close the virtual file again
	if (GetChannel() != GCodeChannel::Daemon || machineState->doingFileMacro)
	{
		// Wait for a response (but not forever)
		isWaitingForMacro = true;
		reprap.GetSbcInterface().EventOccurred(true);
		if (!macroSemaphore.Take(SpiMaxRequestTime))
		{
			isWaitingForMacro = false;
			reprap.GetPlatform().MessageF(ErrorMessage, "Timeout while waiting for macro file %s (channel %s)\n", filename, GetChannel().ToString());
			return false;
		}
	}

	// When we get here we expect the SBC interface to have set the variables above for us
	if (!macroFileError)
	{
		macroJustStarted = true;
		return true;
	}
	return false;
}

void GCodeBuffer::ResolveMacroRequest(bool hadError, bool isEmpty) noexcept
{