FW upload - programming shunt

Vertex 3D Printer Vertex - Printer software (repetier, slicer, ...)
1

I am working on various FW updates and plan to implement the latest RC version too.

Everytime I need to install a new FW I have to tip over the Vertex, attach the shunt, upload the new FW, remove the shunt etc. I also unload the filament as well to avoid the spools falling off

Is there a way round this?
Can I leave the shunt permanently on? Presumably there’s a risk of ‘accidentally’ overwriting the FW but does it disable anything else?
If not I suppose I could attach a cable to the shunt with a switch or jumper so I could short the pins without turning over the printer?

Any ideas?

2

You can perfectly leave the shunt on.
The shunt connects the reset line from the FTDI chip to the ATMEGA2560.
You can see that in the schematics: manuals.velleman.eu/article.php?id=223.
If you want to know more about that,I suggest reading up on how the bootloader of an Arduino MEGA works =).

Best Regards
VEL337

3

Thanks. I uploaded a new FW earlier today and left the shunt on and it seems happy so far.