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DAPLink
There are cheap clones of simple CMSIS-DAP interfaces from China.
# wch.cn WCH-Link CMSIS-DAP (clone) SUBSYSTEMS=="usb",\ ATTRS{idVendor}=="2a86",\ ATTRS{idProduct}=="8011",\ MODE:="0666" KERNEL=="ttyACM*",\ ATTRS{idVendor}=="2a86",\ ATTRS{idProduct}=="8011",\ GROUP:="dialout",\ MODE:="0666"
OpenOCD
Test
openocd -c "adapter driver cmsis-dap; cmsis_dap_vid_pid 0x2a86 0x8011" -c "adapter speed 500" -c "transport select swd" -f "target/stm32f1x.cfg" Open On-Chip Debugger 0.12.0-rc2+dev-00012-g4e077fdda (2022-11-12-16:05) Licensed under GNU GPL v2 For bug reports, read http://openocd.org/doc/doxygen/bugs.html adapter speed: 500 kHz swd Info : Listening on port 6666 for tcl connections Info : Listening on port 4444 for telnet connections Info : CMSIS-DAP: SWD supported Info : CMSIS-DAP: FW Version = 2.0.0 Info : CMSIS-DAP: Interface Initialised (SWD) Info : SWCLK/TCK = 1 SWDIO/TMS = 1 TDI = 0 TDO = 0 nTRST = 0 nRESET = 1 Info : CMSIS-DAP: Interface ready Info : clock speed 1000 kHz Info : SWD DPIDR 0x1ba01477 Info : [stm32f1x.cpu] Cortex-M3 r1p1 processor detected Info : [stm32f1x.cpu] target has 6 breakpoints, 4 watchpoints Info : starting gdb server for stm32f1x.cpu on 3333 Info : Listening on port 3333 for gdb connections