From: axel <axe...@fr...> - 2013-12-22 17:16:24
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So I will check my board against the SAM3N00-EK. And there is a job for my oscilloscope for signal quality. All of these... work for tomorrow. BTW: 'reset init' and 'reset halt' in the *.cfg didn't work, unknown command :-( NRST of my SAM3 is already connected with SRST On 22.12.2013 16:59, Paul Fertser wrote: > On Sun, Dec 22, 2013 at 03:37:33PM +0100, axel wrote: >> My fault: JTAGSEL was high; I thought the JTAG is activated instead of >> IO operation. >> >> Now the original 'at91sam3nXX.cfg' is working. But the error: > Ok, nice. So it presents the usual Cortex-M ID when it's not in JTAG > Boundary Scan mode. > >> Warn : Invalid ACK 0x6 in JTAG-DP transaction >> Polling target at91sam3n.cpu failed, GDB will be halted. Polling again >> in 100ms >> Polling target at91sam3n.cpu failed, GDB will be halted. Polling again >> in 300ms >> __ >> >> still happens. Is it because of a virgin chip? > Might be so. Or probably the wires are too long. Or probably you need > to issue "reset halt" or "reset init" and it'll start working. You > should also consider physically connecting SRST and using > "reset_config srst_only". > |