rtt studio用DAP下载不成功

发布于 2021-05-19 20:15:19 浏览：3729 订阅该版

rtt用DAP下载程序到野火指南者开发板不能成功。
MCU是stm32F103，DAP下载器。下载方式设置就是DAP，速度根据相似的帖子改成最慢了。
```
done!

开始下载程序：2021-05-19 20:12:20
E:\RT-ThreadStudio>cd /d E:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.1 
E:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.1>pyocd.exe flash --target=STM32F103VE --erase=auto  --frequency=1000000 C:\Users\whisky\Desktop\rtt\cc\Debug\rtthread.bin 
0001553:CRITICAL:__main__:No ACK received
Traceback (most recent call last):
  File "pyocd\probe\cmsis_dap_probe.py", line 249, in read_dp
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 836, in read_reg
  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 449, in decode_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 418, in _decode_transfer_block_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 520, in do_flash
  File "pyocd\core\session.py", line 302, in __enter__
  File "pyocd\core\session.py", line 420, in open
  File "pyocd\board\board.py", line 85, in init
  File "pyocd\core\coresight_target.py", line 160, in init
  File "pyocd\utility\sequencer.py", line 213, in invoke
  File "pyocd\utility\sequencer.py", line 208, in invoke
  File "pyocd\coresight\dap.py", line 303, in _connect
  File "pyocd\coresight\dap.py", line 167, in connect
  File "pyocd\coresight\dap.py", line 194, in read_idr
  File "pyocd\probe\cmsis_dap_probe.py", line 251, in read_dp
  File "<string>", line 3, in raise_from
pyocd.core.exceptions.TransferError: No ACK received
执行完毕, 耗时：4395ms.

```

chenyaxing 2021-05-21

泥上偶然留指爪，鸿飞那复计东西。

5 个回答

flashman2002 2021-05-20

这家伙很懒，什么也没写！

木又寸 2022-06-25

这家伙很懒，什么也没写！

遇到同样的问题，在RTT studio上使用DAP下载到野火霸道板子失败，但在MDK上使用DAP下载正常（debug-connect设置为under reset可下载，在normal下无法下载，提醒SWD/JTAG Communication failure）。

```
开始下载程序：2022-06-25 00:21:40
C:\RT-ThreadStudio>cd /d C:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.3 
C:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.3>pyocd.exe flash --target=STM32F103ZE --erase=auto --frequency=1000000 C:\RT-ThreadStudio\workspace\arbitrary_stm32f103zet6\Debug\rtthread.bin 
0001846:CRITICAL:__main__:No ACK received
Traceback (most recent call last):
  File "pyocd\probe\cmsis_dap_probe.py", line 249, in read_dp
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 836, in read_reg
  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 449, in decode_data
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 418, in _decode_transfer_block_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 520, in do_flash
  File "pyocd\core\session.py", line 302, in __enter__
  File "pyocd\core\session.py", line 420, in open
  File "pyocd\board\board.py", line 85, in init
  File "pyocd\core\coresight_target.py", line 160, in init
  File "pyocd\utility\sequencer.py", line 213, in invoke
  File "pyocd\utility\sequencer.py", line 208, in invoke
  File "pyocd\coresight\dap.py", line 303, in _connect
  File "pyocd\coresight\dap.py", line 167, in connect
  File "pyocd\coresight\dap.py", line 194, in read_idr
  File "pyocd\probe\cmsis_dap_probe.py", line 251, in read_dp
  File "<string>", line 3, in raise_from
pyocd.core.exceptions.TransferError: No ACK received
执行完毕, 耗时：3433ms.
```

木又寸 2022-06-27

这家伙很懒，什么也没写！

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追加回复

天上的草是芸 2025-01-28

这家伙很懒，什么也没写！

```
开始下载程序：2025-01-28 19:28:35
D:\RT-ThreadStudio>cd /d D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.3 
D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.3>pyocd.exe flash --target=STM32F103ZE --erase=auto --frequency=1000000 D:\SourceCode\MCU\RTT\demo\Debug\rtthread.bin 
0060612:CRITICAL:__main__:uncaught exception: 
Traceback (most recent call last):
  File "pyocd\__main__.py", line 362, in run
  File "pyocd\__main__.py", line 520, in do_flash
  File "pyocd\core\session.py", line 302, in __enter__
  File "pyocd\core\session.py", line 416, in open
  File "pyocd\probe\cmsis_dap_probe.py", line 147, in open
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 585, in open
  File "pyocd\probe\pydapaccess\interface\pywinusb_backend.py", line 92, in open
AssertionError
执行完毕, 耗时：61469ms.
```

我用正点原子的F103ZET6M144ZM3开发板和miniDAP仿真器在RTTStudio下载时报错，不知道怎么回事，但是在使用openocd下载时就正常

jason79 2025-02-01

这家伙很懒，什么也没写！

```
开始下载程序：2025-02-01 15:39:43
D:\RT-ThreadStudio>cd /d D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.3 
D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.3>pyocd.exe flash --target=STM32F407VE --erase=auto --frequency=1000000 D:\My_RTT\My_demo2\test1\Debug\rtthread.bin 
0001132:CRITICAL:__main__:'ascii' codec can't decode byte 0xc4 in position 0: ordinal not in range(128)
Traceback (most recent call last):
  File "pyocd\__main__.py", line 362, in run
  File "pyocd\__main__.py", line 520, in do_flash
  File "pyocd\core\session.py", line 302, in __enter__
  File "pyocd\core\session.py", line 416, in open
  File "pyocd\probe\cmsis_dap_probe.py", line 147, in open
  File "pyocd\utility\concurrency.py", line 28, in _locking
  File "pyocd\probe\pydapaccess\dap_access_cmsis_dap.py", line 595, in open
  File "pyocd\probe\pydapaccess\cmsis_dap_core.py", line 153, in dap_info
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc4 in position 0: ordinal not in range(128)
执行完毕, 耗时：2297ms.
```

谁能帮我看看，怎么解决。也是dap-link， 使用的是“魔女开发板stm32F407”