Method Spin

src/Display/Display.cpp:94–171

Keep the display and encoder refreshed. Don't touch the display if we are updating the firmware because the associated RAM may be overwritten by the IAP.

// Keep the display and encoder refreshed. Don't touch the display if we are updating the firmware because the associated RAM may be overwritten by the IAP.
void Display::Spin() noexcept
{
	if (lcd != nullptr && !updatingFirmware)
	{
		bool forceRefresh = false;
#if SUPPORT_ROTARY_ENCODER
		if (encoder != nullptr)
		{
			encoder->Poll();
			// Check encoder and update display
			const int ch = encoder->GetChange();
			if (ch != 0)
			{
				menu->EncoderAction(ch);
				forceRefresh = true;
			}
			else if (encoder->GetButtonPress())
			{
				menu->EncoderAction(0);
				forceRefresh = true;
			}
		}
#endif
#if SUPPORT_RESISTIVE_TOUCH
		if (touchController != nullptr)
		{
			uint16_t x, y;
			bool repeat;
			if (touchController->Read(x, y, repeat) && menu != nullptr)
			{
				menu->HandleTouch(x, y);
			}
		}
#endif
		{
			ReadLockedPointer<const MessageBox> mbox = MessageBox::GetLockedCurrent();
			if (mbox.IsNotNull() && mbox->IsLegacyType())
			{
				if (!mboxActive || mboxSeq != mbox->GetSeq())
				{
					// New message box to display
					if (!mboxActive)
					{
						menu->ClearHighlighting();					// cancel highlighting and adjustment
						menu->Refresh();
					}
					mboxActive = true;
					mboxSeq = mbox->GetSeq();
					menu->DisplayMessageBox(*mbox);
					forceRefresh = true;
				}
			}
			else if (mboxActive)
			{
				// Message box has been cancelled from this or another input channel
				menu->ClearMessageBox();
				mboxActive = false;
				forceRefresh = true;