Maybe some connection/wiring/power issue? I just uploaded https://github.com/raspberrypi/debugpro ... gprobe.uf2 to my Pico, connected GND and SWD CLK and IO as per picture (GND,GP2,GP3) to my nrf52 board (actually banglejs 2 watch) and it works
Code:
bin\openocd.exe -d2 -f interface/cmsis-dap.cfg -f target/nrf52.cfgOpen On-Chip Debugger 0.12.0+dev-01686-gefe902219 (2024-08-06-14:34)Licensed under GNU GPL v2For bug reports, read http://openocd.org/doc/doxygen/bugs.htmldebug_level: 2Info : auto-selecting first available session transport "swd". To override use 'transport select <transport>'.Info : Listening on port 6666 for tcl connectionsInfo : Listening on port 4444 for telnet connectionsInfo : Using CMSIS-DAPv2 interface with VID:PID=0x2e8a:0x000c, serial=E66038B7132D6E39Info : CMSIS-DAP: SWD supportedInfo : CMSIS-DAP: Atomic commands supportedInfo : CMSIS-DAP: Test domain timer supportedInfo : CMSIS-DAP: FW Version = 2.0.0Info : CMSIS-DAP: Interface Initialised (SWD)Info : SWCLK/TCK = 0 SWDIO/TMS = 0 TDI = 0 TDO = 0 nTRST = 0 nRESET = 0Info : CMSIS-DAP: Interface readyInfo : clock speed 1000 kHzInfo : SWD DPIDR 0x2ba01477Info : [nrf52.cpu] Cortex-M4 r0p1 processor detectedInfo : [nrf52.cpu] target has 6 breakpoints, 4 watchpointsInfo : [nrf52.cpu] Examination succeedInfo : [nrf52.cpu] starting gdb server on 3333Info : Listening on port 3333 for gdb connectionsStatistics: Posted by fanoush — Thu Aug 22, 2024 7:44 pm