Start the session (obviously replacing jlink
with whatever interface you're using)
> openocd -c 'interface jlink' -c 'transport select swd' -c 'source [find target/stm32l4x.cfg]' -c 'init'
Open On-Chip Debugger 0.10.0
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
swd
adapter speed: 500 kHz
adapter_nsrst_delay: 100