Try this:
Hopefully it has all the salient parts.
> On May 26, 2017, at 12:55 AM, Simon Ratner <si...@proxy.co> wrote: > > Marko, > > Do you happen to have a link to the patches you applied to openocd? I am > building my own, and would like to incorporate them. > > Cheers, > simon > > > On Thu, May 25, 2017 at 3:39 PM, marko kiiskila <ma...@runtime.io> wrote: > >> Peter, >> >> What’s missing from stock 0.10.0 for nrf52 is the capability to write/erase >> the flash. That’s why we have our own tarball for openocd here: >> http://mynewt.apache.org/latest/os/get_started/cross_tools/ < >> http://mynewt.apache.org/latest/os/get_started/cross_tools/> >> >> I have not tried using openocd with JLink, but we do use it with Arduino >> Primo with CMSIS-DAP. For reference, check out the download/debug scripts >> for that >> https://github.com/apache/incubator-mynewt-core/blob/ >> master/hw/bsp/arduino_primo_nrf52/arduino_primo.cfg < >> https://github.com/apache/incubator-mynewt-core/blob/ >> master/hw/bsp/arduino_primo_nrf52/arduino_primo.cfg> >> >> OPENOCD_DEBUG setting is not present for all BSP scripts. It does >> exist for Arduino Primo; take a look at how it is checked here: >> https://github.com/apache/incubator-mynewt-core/blob/ >> master/hw/bsp/arduino_primo_nrf52/primo_download.sh < >> https://github.com/apache/incubator-mynewt-core/blob/ >> master/hw/bsp/arduino_primo_nrf52/primo_download.sh> >> If you’re using nrf52dk, you can see from the matching file that it does >> not have matching pieces there. >> >> I *think* I built the tarball with J-Link option present as well, but I >> admit >> that I have not tried it. If it’s not there, I can put up the sources for >> it, >> and you can build it in. And share how you built it, so I can do the same. >> >> If you get it to work, and want to have the openocd option for nrf52dk, >> submit a patch! >> >> Good luck, >> M >> >>> On May 25, 2017, at 3:24 PM, Chris Merck <me...@olibra.io> wrote: >>> >>> Hi Peter, >>> >>> I use an ST-LINK V2, which costs $3-$12 depending where you buy online. >>> >>> Loading and debugging works with the stock nrf52.cfg and stlink-v2.cfg >>> files provided by OpenOCD 0.10.0. >>> >>> Though ST-LINK is not a FOSS hw design, it is cheap and doesn't require >>> proprietary drivers. >>> >>> Regards, >>> Chris >>> >>> On Thu, May 25, 2017 at 3:05 PM, Wayne Keenan <wayne.kee...@gmail.com> >>> wrote: >>> >>>> Hi Peter, >>>> >>>> I've used OpenOCD on a Pi with just jumper wires to program an nRF51, >> for >>>> reference: >>>> >>>> https://chisight.wordpress.com/2016/03/22/openocd-for- >>>> programming-nrf51822-via-nothing-but-wires-and-a-raspberry-pi/ >>>> >>>> https://learn.adafruit.com/programming-microcontrollers- >>>> using-openocd-on-raspberry-pi/wiring-and-test >>>> >>>> >>>> >>>> Just as a FYI: I was doing the above and also using avrdude + jumper >> wires >>>> for AVR's at the same time and although I don't recall having many/any >>>> issues using OpenOCD I was having to manually 'free' the Pi's GPIO pins >>>> occasionally using something like: >>>> >>>> echo 4 22 23 18 | xargs -n 1 gpio unexport >>>> >>>> If you run into troubles then maybe try that (check the pins match your >>>> OpenOCD config) >>>> >>>> >>>> Regards >>>> Wayne >>>> >>>> On 25 May 2017 at 19:39, Peter Jones <mlists+myn...@devalot.com> wrote: >>>> >>>>> Is it possible to use newt to flash a nRF52 without having to use >>>>> J-Link? >>>>> >>>>> The getting started guide seems to imply that OpenOCD version 0.10.0 is >>>>> an option but I can't seem to figure out how to make `newt load' use >>>>> it. I tried setting `OPENOCD_DEBUG=1' without luck: >>>>> >>>>> $ newt target set nrf52_blinky syscfg=OPENOCD_DEBUG=1 >>>>> $ newt load --verbose nrf52_boot >>>>> >>>>> ...still tries to use J-Link. >>>>> >>>>> I want to avoid using J-Link because: >>>>> >>>>> 1) Pragmatic reason: I'm having a hard time getting J-Link to work on >>>>> my OS (NixOS) >>>>> >>>>> 2) Philosophical reason: I'm building a completely open product and >>>>> would like to have the entire tool chain open as well. I'm a firm >>>>> supporter of Open Source and relying on proprietary software like >>>>> J-Link makes me uncomfortable. >>>>> >>>>> Thanks. >>>>> >>>>> -- >>>>> Peter Jones, Founder, Devalot.com >>>>> Defending the honor of good code >>>>> >>>> >> >>
