楼主问题解决了吗？

请问有解决这个问题的方法吗

还没有

这个问题解决了吗

请问这种问题有人解决了吗？应该如何处理呢？

Open On-Chip Debugger 0.11.0+dev-01889-geee887d60 (2022-01-13-23:33)

Licensed under GNU GPL v2

For bug reports, read

 http://openocd.org/doc/doxygen/bugs.html

DEPRECATED! use 'adapter speed' not 'adapter_khz'

DEPRECATED! use 'adapter driver' not 'interface'

Info : libusb_open() failed with LIBUSB_ERROR_NOT_FOUND

Info : no device found, trying D2xx driver

Info : D2xx device count: 2

Info : Connecting to "(null)" using D2xx mode...

Info : clock speed 1000 kHz

Error: JTAG scan chain interrogation failed: all ones

Error: Check JTAG interface, timings, target power, etc.

Error: Trying to use configured scan chain anyway...

Error: riscv.cpu: IR capture error; saw 0x1f not 0x01

Warn : Bypassing JTAG setup events due to errors

Error: Unsupported DTM version: 15

Warn : target riscv.cpu examination failed

Info : starting gdb server for riscv.cpu on 3333

Info : Listening on port 3333 for gdb connections

Error: Target not examined yet

Error: Unsupported DTM version: 15

请问这是什么问题呢？

各位老哥能帮忙看看我这错误到底咋回事，帮忙解决解决

Open On-Chip Debugger 0.11.0+dev-01889-geee887d60 (2022-01-13-23:33)

Licensed under GNU GPL v2

For bug reports, read

 http://openocd.org/doc/doxygen/bugs.html

DEPRECATED! use 'adapter speed' not 'adapter_khz'

DEPRECATED! use 'adapter driver' not 'interface'

Info : libusb_open() failed with LIBUSB_ERROR_NOT_FOUND

Info : no device found, trying D2xx driver

Info : D2xx device count: 3

Info : Connecting to "(null)" using D2xx mode...

Info : clock speed 1000 kHz

Error: JTAG scan chain interrogation failed: all ones

Error: Check JTAG interface, timings, target power, etc.

Error: Trying to use configured scan chain anyway...

Error: riscv.cpu: IR capture error; saw 0x1f not 0x01

Warn : Bypassing JTAG setup events due to errors

Error: Unsupported DTM version: 15

Warn : target riscv.cpu examination failed

Info : starting gdb server for riscv.cpu on 3333

Info : Listening on port 3333 for gdb connections

Error: Target not examined yet

Error: Unsupported DTM version: 15

具体是什么硬件问题呢  

我也遇到了这个问题，同问楼主是如何解决的。连线检查过了

楼主这个JTAG scan chain interrogation failed: all ones你遇到过吗？如果遇到过，又是如何解决的呢？

楼主还在吗，可以说一下解决方法吗，急求！！谢谢

就是楼主这个

 JTAG scan chain interrogation failed: all ones，灯是亮的

亮灯吗，看我主页有

请问你是怎么解决的

可以说的具体一些吗，我也是这个问题好几天了