AVR-Chat

> At 03:37 PM 25/03/2009, you wrote:
>>High Fuse Byte  Bit No  Description             Default Value
>>RSTDISBL(1)     7       External Reset Disable  1 (unprogrammed)
>>DWEN            6       debugWIRE Enable        1 (unprogrammed)
>>SPIEN(2)        5       Enable Serial Program   0 (programmed, SPI
>>                         and Data Downloading      programming enabled)
>
> The confusion only happens in your mind if you use some rubbish
> programming interface with your programmer. :-)

  Ah well, I guess that I use a rubbish programmer interface, since it's a
CLI on a UNIX type box - I don't use AVRstudio.

DLC

> A CHECKED BOX means programmed, unchecked means not programmed.
>
> I NEVER have to worry about the bit being 0 or 1, do you?
> You even seem to know where the fuse bits are located, I don't
> and don't want to know. (have been using AVRs for about 10 years now)
>
> If I want the RESET pin disabled and turn it into an I/O then I
> program the RSTDISBL fuse by CHECKING the appropriate box, I guess
> this would make the bit 0 but I don't really care to know.
> No confusion there.
>
> As far as DWEN is concerned I have NEVER programmed that bit but I use
> DW very frequently. I simply do a "Build and Run" or "Start debug",
> if the DWEN is already programmed then the debug session starts if not
> I get prompted to enable DW, I say yes, follow the prompts and it JUST
> HAPPENS.
>
> When I want to disable DW I do that as Atmel intended from within a debug
> session. Debug > Dragon (or JTAG Mk2) options > disable DW.
>
> Are people making their lifes more complicated than necessary?
>
> Regards
>
> John Samperi
>
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-- 
Dennis Clark
TTT Enterprises