用Studio中的DAP下载失败，用keil可以下载AT32F407VGT7

发布于 2021-08-06 22:55:44 浏览：1681 订阅该版

```
开始下载程序：2021-08-06 22:47:13
F:\RT-ThreadStudio>cd /d F:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.2 
F:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.2>pyocd.exe flash --target=AT32F407VGT7 --erase=auto  --frequency=1000000 D:\1-Elec\PyP\4-MCU\PH_0001\Debug\rtthread.bin 
0002711:ERROR:board:link exception during target disconnect:
Traceback (most recent call last):
  File "pyocd\probe\cmsis_dap_probe.py", line 285, in read_ap_result_callback
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 830, in read_reg_cb
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 143, in get_result
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 667, in flush
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 915, in _read_packet
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 451, in decode_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 358, in _decode_transfer_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 341, in _check_response
pyocd.probe.pydapaccess.dap_access_api.DAPAccessIntf.TransferError: No ACK received
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "pyocd\__main__.py", line 527, in do_flash
  File "pyocd\flash\file_programmer.py", line 158, in program
  File "pyocd\flash\loader.py", line 168, in commit
  File "pyocd\flash\builder.py", line 421, in program
  File "pyocd\flash\builder.py", line 319, in _build_sectors_and_pages
  File "pyocd\flash\builder.py", line 263, in fill_end_of_page_gap
  File "pyocd\flash\builder.py", line 222, in _enable_read_access
  File "pyocd\flash\flash.py", line 235, in init
  File "pyocd\core\coresight_target.py", line 390, in reset_and_halt
  File "pyocd\coresight\cortex_m.py", line 968, in reset_and_halt
  File "pyocd\coresight\cortex_m.py", line 982, in get_state
  File "pyocd\coresight\cortex_m.py", line 646, in read_memory
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\coresight\ap.py", line 883, in _read_memory
  File "pyocd\coresight\ap.py", line 864, in read_mem_cb
  File "pyocd\coresight\dap.py", line 603, in read_ap_cb
  File "pyocd\probe\cmsis_dap_probe.py", line 287, in read_ap_result_callback
  File "<string>", line 3, in raise_from
pyocd.core.exceptions.TransferError: No ACK received
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "pyocd\probe\cmsis_dap_probe.py", line 285, in read_ap_result_callback
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 830, in read_reg_cb
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 143, in get_result
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 667, in flush
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 915, in _read_packet
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 451, in decode_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 358, in _decode_transfer_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 341, in _check_response
pyocd.probe.pydapaccess.dap_access_api.DAPAccessIntf.TransferError: No ACK received
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "pyocd\board\board.py", line 98, in uninit
  File "pyocd\core\coresight_target.py", line 305, in disconnect
  File "pyocd\coresight\cortex_m.py", line 510, in disconnect
  File "pyocd\coresight\cortex_m.py", line 1021, in resume
  File "pyocd\coresight\cortex_m.py", line 982, in get_state
  File "pyocd\coresight\cortex_m.py", line 646, in read_memory
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\coresight\ap.py", line 883, in _read_memory
  File "pyocd\coresight\ap.py", line 864, in read_mem_cb
  File "pyocd\coresight\dap.py", line 603, in read_ap_cb
  File "pyocd\probe\cmsis_dap_probe.py", line 287, in read_ap_result_callback
  File "<string>", line 3, in raise_from
pyocd.core.exceptions.TransferError: No ACK received
0002714:CRITICAL:__main__:No ACK received
Traceback (most recent call last):
  File "pyocd\probe\cmsis_dap_probe.py", line 285, in read_ap_result_callback
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 830, in read_reg_cb
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 143, in get_result
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 667, in flush
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 915, in _read_packet
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 451, in decode_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 358, in _decode_transfer_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 341, in _check_response
pyocd.probe.pydapaccess.dap_access_api.DAPAccessIntf.TransferError: No ACK received
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "pyocd\__main__.py", line 362, in run
  File "pyocd\__main__.py", line 527, in do_flash
  File "pyocd\flash\file_programmer.py", line 158, in program
  File "pyocd\flash\loader.py", line 168, in commit
  File "pyocd\flash\builder.py", line 421, in program
  File "pyocd\flash\builder.py", line 319, in _build_sectors_and_pages
  File "pyocd\flash\builder.py", line 263, in fill_end_of_page_gap
  File "pyocd\flash\builder.py", line 222, in _enable_read_access
  File "pyocd\flash\flash.py", line 235, in init
  File "pyocd\core\coresight_target.py", line 390, in reset_and_halt
  File "pyocd\coresight\cortex_m.py", line 968, in reset_and_halt
  File "pyocd\coresight\cortex_m.py", line 982, in get_state
  File "pyocd\coresight\cortex_m.py", line 646, in read_memory
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\coresight\ap.py", line 883, in _read_memory
  File "pyocd\coresight\ap.py", line 864, in read_mem_cb
  File "pyocd\coresight\dap.py", line 603, in read_ap_cb
  File "pyocd\probe\cmsis_dap_probe.py", line 287, in read_ap_result_callback
  File "<string>", line 3, in raise_from
pyocd.core.exceptions.TransferError: No ACK received
执行完毕, 耗时：3192ms.
```