On Tue, 27 Jul 2010 07:22:12 +0200 Joerg Wunsch <[email protected]> wrote:
> As Jkx wrote: > > > This is really slow while writing (without any timeout msg). > > Well, not a big surprise, with that slow ISP clock. > > > And worst, the 32u2 has 32k vs 16k on the 162 of > > course. > > Well, *that* was certainly expected, of course. :-) > > > SCK period : 260.5 us > > Try adding -B10 to the commandline. That should make it substantially > faster. I hope it will also cure the misreads. > > > avrdude: Expected signature for AT90USB162 is 1E 94 82 > > avrdude: safemode: lfuse reads as 5E > > avrdude: safemode: hfuse reads as D9 > > avrdude: safemode: efuse reads as F4 > > ATmega32U2 has 1E 95 8A. The signature read shows that the entire > read procedure is completely flakey. At this point, you probably > shouldn't have used -F at all, to avoid additional failures resulting > from the poor communication. > Yes, the Atmega32u2 sig is Ok. look in my previous dump: avrdude: Device signature = 0x1e958a avrdude: Expected signature for AT90USB162 is 1E 94 82 With the -B10, the speed is Ok, no more timeout, but the verify still fails. (content missmatch) I just installed an AVR Studio 4. So I will check if the board is Ok. (I have a doubt) Thanks -- _______________________________________________ avrdude-dev mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/avrdude-dev
