[Swansea Hackspace] Rumber

[Ceri Clatworthy]

Ha Ha,

I think Merlin defaults to no board,

which is what i did not unselect

Ceri

On Fri, Mar 6, 2015 at 4:06 PM, Justin Mitchell <
justin at swansea.hackspace.org.uk> wrote:

> On Fri, 2015-03-06 at 15:29 +0000, Ceri Clatworthy wrote:
> > Tested the Solder fume Extractor,  works well :)
> >
> >
> > The Atmel USB I/F is un- programmed, - and I don't have (knowledge) to
> > program it,
>
> suggestions are that the chip should come with the DFU bootloader
> pre-installed, in which case you use dfu-programmer to load the
> usb-serial code.
>
> if it doesnt, then you need to wire up the SPI bus ISP port, and use the
> same Arduino as ISP trick i demonstrated lastnight, using avrdude to
> load it with the DFU bootloader first (fetch from Atmel website).
>
> usb-serial code here
> http://reprap.org/wiki/RUMBA#16U2_LUFA.2FArduino_based_USB2Serial_Firmware
>
>
> For reference: the previous chip, when wired in ISP more did not answer
> to avrdude, giving only 0xFFFF as answers. whereas the 2560 chip would.
>
>
> >
> > Yesterday was the first time i have EVER used Ardweeno SW, and bricked
> > my RAMPS !!!!
> you cant really brick them, it takes special effort to wipe the
> bootloader, and even then the ISP programmer mode lets you write one
> back directly from the Arduino IDE.
>
> just make sure you have the correct board type selected when you tell
> the ide to verify & upload, #ifdefs in the marlin code should catch you
> doing anything too crazy.
>
>
>
>
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