使用DAPLink，发现无法debug，也无法下载，会报如下错误：
- 0000971 W Overlapping memory regions in file ./packs/Keil.STM32L4xx_DFP.2.3.0-small.pack (STM32L412C8Tx); deleting outer region. Further warnings will be suppressed for this file. [cmsis_pack]
- 0001241 I Target type is stm32f405rg [board]
- 0001479 C Unexpected ACK value (5) returned by probe [__main__]
- [2mTraceback (most recent call last):
- File "pyocdprobecmsis_dap_probe.py", line 345, in read_dp
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 976, in read_reg
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 970, in read_reg_cb
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 154, in get_result
- File "pyocdutilityconcurrency.py", line 29, in _locking
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 790, in flush
- File "pyocdutilityconcurrency.py", line 29, in _locking
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 1056, in _read_packet
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 473, in decode_data
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 442, in _decode_transfer_block_data
- File "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 365, in _check_response
- pyocd.probe.pydapaccess.dap_access_api.DAPAccessIntf.TransferError: Unexpected ACK value (5) returned by probe
- The above exception was the direct cause of the following exception:
- Traceback (most recent call last):
- File "pyocd__main__.py", line 161, in run
- File "pyocdsubcommandsgdbserver_cmd.py", line 190, in invoke
- File "pyocdcoresession.py", line 386, in __enter__
- File "pyocdcoresession.py", line 523, in open
- File "pyocdboardboard.py", line 124, in init
- File "pyocdcoresoc_target.py", line 147, in init
- File "pyocdutilitysequencer.py", line 213, in invoke
- File "pyocdutilitysequencer.py", line 208, in invoke
- File "pyocdcoresightdap.py", line 406, in _connect
- File "pyocdcoresightdap.py", line 180, in connect
- File "pyocdcoresightdap.py", line 221, in _connect_dp
- File "pyocdcoresightdap.py", line 248, in read_idr
- File "pyocdprobecmsis_dap_probe.py", line 348, in read_dp
- pyocd.core.exceptions.TransferError: Unexpected ACK value (5) returned by probe[0m
