ESP32C3 JTAG-USB on a Raspberry Pi

[daniel060895]

Maybe you are missing udev rules?

Indeed I was.

Thanks again chegewara (the USB, Bluetooth, BLE, ...) expert.

note to self: read ALL the instructions!
__________________________________________
/home/pi/.espressif/tools/openocd-esp32/v0.10.0-esp32-20210401/openocd-esp32/bin/openocd -f board/esp32c3-builtin.cfg
Open On-Chip Debugger v0.10.0-esp32-20210401 (2021-04-01-15:45)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
Info : only one transport option; autoselect 'jtag'
Warn : Transport "jtag" was already selected
force hard breakpoints
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : esp_usb_jtag: Device found. Base speed 40000KHz, div range 1 to 255
Info : clock speed 40000 kHz
Info : JTAG tap: esp32c3.cpu tap/device found: 0x00005c25 (mfg: 0x612 (Espressif Systems), part: 0x0005, ver: 0x0)
Info : datacount=2 progbufsize=16
Info : Examined RISC-V core; found 1 harts
Info : hart 0: XLEN=32, misa=0x40101104
Info : Listening on port 3333 for gdb connections

Sorry, I don't understand how the problem was solved.