On Wed, Jul 16, 2014 at 6:04 AM, Paul Fertser <[email protected]> wrote:
> On Wed, Jul 16, 2014 at 05:45:29AM -0700, Andrey Smirnov wrote:
>> that was what I used for that purpose. Usually nRF51 kits/samples come
>> with Segger J-Link Lite and there were number of patches floating
>> around that should add SWD support for the driver(Those patches didn't
>> work for me, but that may be because I was using OSX)
>
> Please retry the current version, http://openocd.zylin.com/2141 ,
> after Brian added a call for jtag2swd sequence, it should work with
> all the supported targets.

It wasn't even getting to the point of talking to the HW, so that
wouldn't really make a difference. It was failing at getting a
response to the very first "get version" USB packet(USB reads were
returning 0 bytes). I suspect it is some libusb on OSX related
problem, but I need to look more into that.

>
>> > This morning I tried it with resistor hack.
>> > It’s working for stm32f1x but doesn’t work for nRF51 at all.
>
> Probably the resistor is of unsuitable value? What is the log output
> here?
>
>> > I can provide any logs and do tests if anyone can help with this.
>> >
>> > Does anyone has successful experience debugging nrf51 chip with FTDI based 
>> > tool?
>>
>> I have an irrational dislike/distrust of all things FTDI so I don't
>> use it very often. Sorry I can't be on much help here.
>
> But with FTDI adapters you can have really low-level control of what's
> going on.
>

Oh I was not arguing that those chips didn't have their merits, that's
why I labeled my perceptions as irrational :-)

> --
> Be free, use free (http://www.gnu.org/philosophy/free-sw.html) software!
> mailto:[email protected]

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