Re: [avrdude-dev] attiny40 on avrdude

[Justin]

Thanks Darell, I'll try that out in the next few days and let you guys know.
Cheers
Justin

On 08/06/2012, at 12:53 AM, Darell Tan <address@hidden> wrote:

> Hi Justin and Joerg,
> 
> It should actually be possible to use the ponyser programmer,
> since the bitbang code is all the same.
> 
> All you need to do is to add the part definition for the attiny40
> to avrdude.conf so it knows what the signature is, and its memory
> locations, and you should be good to go.
> 
> Please add a 1K resistor from the ponyser MOSI pin before it
> connects to TPIDATA pin on the attiny40.
> 
> If you do try it out, please keep us updated.
> 
> --
> Regards,
> Darell Tan
> 
> 
> 
> On Tue, Jun 5, 2012 at 8:19 PM, Joerg Wunsch <address@hidden> wrote:
>> 
>> As justin cooke wrote:
>> 
>>> Is it possible to program the attiny40 with avrdude in ponyser mode?
>> 
>> I don't think it's possible at all, due to the timing constraints
>> implied by the TPI protocol.  I think this requires some kind of
>> controller support.
>> 
>> At the very least, even if it were possible, nobody contributed
>> TPI bit-bang code so far for use with these direct bit-bang
>> programmers, so it's not sufficient to just add a few lines of
>> config file, and be done with it.
>> 
>> (Better subscribe to the list if you want to participate in
>> communication.)
>> --
>> cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL
>> 
>> http://www.sax.de/~joerg/                        NIC: JW11-RIPE
>> Never trust an operating system you don't have sources for. ;-)
>> 
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