Re: [OpenOCD-user] jlink interface, nrf51 target problems

[Jacob R. <jak...@gm...>]

On Wed, Sep 24, 2014 at 10:16 AM, Paul Fertser <fer...@gm...> wrote:

> On Wed, Sep 24, 2014 at 09:56:12AM -0700, Jacob Rosenthal wrote:
> > jacob-2:open-ocd jacobrosenthal$ openocd -f interface/jlink.cfg  -f
> > target/nrf51.cfg
>
> Just add ``-c "transport select swd" '' in between jlink.cfg and -f.
>
>
>

 jacob:~ jacobrosenthal$ openocd -f interface/jlink.cfg -c "transport
select swd" -f target/nrf51.cfg
Open On-Chip Debugger 0.9.0-dev-snapshot (2014-09-23-19:39)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.sourceforge.net/doc/doxygen/bugs.html
Info : JLink SWD mode enabled
swd
cortex_m reset_config sysresetreq
adapter speed: 1000 kHz
Info : J-Link ARM V8 compiled Nov 25 2013 19:20:08
Info : J-Link caps 0xb9ff7bbf
Info : J-Link hw version 80000
Info : J-Link hw type J-Link
Info : J-Link max mem block 9296
Info : J-Link configuration
Info : USB-Address: 0x0
Info : Kickstart power on JTAG-pin 19: 0xffffffff
Info : Vref = 0.0 TCK = 1 TDI = 1 TDO = 1 TMS = 1 SRST = 1 TRST = 1
Error: Vref too low. Check Target Power
Info : J-Link JTAG Interface ready
Info : clock speed 1000 kHz
Error: SWD ack not OK: 7 JUNK
in procedure 'init'
in procedure 'ocd_bouncer'
in procedure 'transport'
in procedure 'init'
jacob:~ jacobrosenthal$