> -----Original Message-----
> From: 
> [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED]
> rg] On Behalf Of Grant Edwards
> Sent: Wednesday, November 07, 2007 10:20 AM
> To: [email protected]
> Subject: [avrdude-dev] Re: How to talk to second device in JTAG chain?
> 
> On 2007-11-06, Grant Edwards <[EMAIL PROTECTED]> wrote:
> > On 2007-11-05, Joerg Wunsch <[EMAIL PROTECTED]> wrote:
> 
> >> The attached patch adds a -j option that allows adjusting JTAG
> >> daisy-chain parameters. [...]
> 
> > Brilliant!  I'll give it a try.
> 
> It works just fine.  FWIW, an MSP430 is "8 bits long".  With
> the AVR preceded by the MSP430, configuring the avrdude for 1
> device before and 8 bits before allowed avrdude to talk to the
> AVR.
> 
> The MSP430 itself will work in a chain (as long as it's first
> in the chain -- an obnoxious/ignorant decision by TI). However,
> the bad news is that none of the TI SW tools can tolerate any
> other devices in the chain at all (an even _more_
> obnoxious/ignorant decision by TI).  If you ever run into the
> TI guys who made those decisions (IIRC it was the group in down
> in Freising), kick them in the shins for me. ;)

Sounds like you have many reasons to drop the MSP430 part and use a second
AVR. ;-)
 



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