What are people using to JTAG debug the Heltec Lora V3.
I’m pulling my hair out.
I have a Heltec Lora V3. I’ve read it does not support USB-JTAG so I’m trying to set up a XIAO s3 to act as a ESP-USB-Bridge.
I’ve tried everything I can think of. Open OCD always show this no matter what I try.
adapter speed: 500 kHz
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : esp_usb_jtag: serial (348518AC1034)
Info : esp_usb_jtag: Device found. Base speed 4800KHz, div range 1 to 1
Info : clock speed 4800 kHz
Error: JTAG scan chain interrogation failed: all zeroes
Error: Check JTAG interface, timings, target power, etc.
Error: JTAG scan chain interrogation failed: all zeroes
Error: Check JTAG interface, timings, target power, etc.
C:\Users\garth.espressif\tools\openocd-esp32\v0.12.0-esp32-20250707\openocd-esp32\share\openocd\scripts/target/esp_common.cfg:9: Error: