source [find interface/stlink.cfg] transport select hla_swd source [find target/stm32l5x.cfg] # use hardware reset reset_config srst_only srst_nogate $_TARGETNAME configure -event gdb-attach { echo "Debugger attaching: halting execution" reset halt gdb_breakpoint_override hard } $_TARGETNAME configure -event gdb-detach { echo "Debugger detaching: resuming execution" resume }