Method TaskLoop

src/SBC/SbcInterface.cpp:75–162

}

[[noreturn]] void SbcInterface::TaskLoop() noexcept
{
	transfer.InitFromTask();
	transfer.StartNextTransfer();

	bool busy = false, transferComplete = false, hadTimeout = false, hadSbcTimeout = false, hadReset = false;
	for (;;)
	{
		// Try to exchange data with the SBC
		transferComplete = hadTimeout = hadReset = false;
		do
		{
			busy = false;
			state = transfer.DoTransfer();
			const uint32_t transferStartTime = millis();
			switch (state)
			{
			case TransferState::doingFullTransfer:
				hadTimeout = !TaskBase::TakeIndexed(NotifyIndices::SbcInterface, isConnected ? SpiConnectionTimeout : TaskBase::TimeoutUnlimited);
				hadSbcTimeout = hadTimeout && millis() - transferStartTime < SpiConnectionTimeout + SbcYieldTimeout;
				break;
			case TransferState::doingPartialTransfer:
				hadTimeout = !TaskBase::TakeIndexed(NotifyIndices::SbcInterface, SpiTransferTimeout);
				hadSbcTimeout = hadTimeout && millis() - transferStartTime < SpiTransferTimeout + SbcYieldTimeout;
				break;
			case TransferState::finishingTransfer:
				busy = true;
				break;
			case TransferState::connectionTimeout:
				hadTimeout = hadSbcTimeout = true;
				break;
			case TransferState::connectionReset:
				hadReset = true;
				break;
			case TransferState::finished:
				transferComplete = true;
				break;
			}
		} while (busy);

		// Handle connection errors
		if (isConnected && (hadReset || hadTimeout))
		{
			isConnected = false;
			numDisconnects++;
			if (hadTimeout)
			{
				numTimeouts++;
				if (hadSbcTimeout)
				{
					numSbcTimeouts++;
				}
				reprap.GetPlatform().MessageF(NetworkInfoMessage, "Lost connection to SBC due to %s timeout\n", hadSbcTimeout ? "remote" : "local");
			}
			else
			{
				reprap.GetPlatform().Message(NetworkInfoMessage, "Lost connection to SBC due to connection reset\n");
			}