Re: [OpenOCD-user] Openocd does not appear to reset the target properly.

[Thomas D. D. <to...@wa...>]

On 6/21/25 15:49, Paul Fertser wrote:
> On Sat, Jun 21, 2025 at 03:31:56PM -0700, Thomas D. Dean wrote:
>> If I
>> 1. connect the RPi debug probe to USB and pico_w.
>> 2. power on the pico_w.
>> 3. sudo openocd -f interface/cmsis-dap.cfg -f target/rp2040.cfg \
>>       -c "adapter speed 5000" -c "program $1 verify reset exit"
> 
> This looks correct, I have nothing to suggest here.
> 
>> Openocd seems to finish without error.
>>
>> Attempting to connect with firefox never does, just sets there
>> spining.
> 
> And here I would suggest to connect with GDB to see what it is doing
> and why it is stuck where.
> 
>> I noticed that cmake says the build type for my project is release, the
>> *.elf file has debug symbols. and openocd output has debug and breakpoint.
> 
> Debug symbols are used by GDB, OpenOCD doesn't parse any of it from
> ELF. And BTW, adding full debug information doesn't increase the
> amount of flash used, it's all in special ELF sections which are not
> copied to the target at all.
> 

I looked with gdb. The code is in a while loop, waiting for the html, as 
it should be.

The only concern is the need to cycle power after writing flash.

Thanks,
Tom Dean