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开始下载程序:2025-03-20 09:16:57D:RT-ThreadStudio>cd /d D:RT-ThreadStudiorepoExtractDebugger_Support_PackagesRealThreadPyOCD�.1.3D:RT-ThreadStudiorepoExtractDebugger_Support_PackagesRealThreadPyOCD�.1.3>pyocd.exe flash --target=STM32F103VC --erase=auto --frequency=1000000 D:RT-ThreadStudioworkspacejsy_system_ctrlDebugrtthread.bin0001672:CRItiCAL:main:No ACK receivedTraceback (most recent call last):File "pyocdprobecmsis_dap_probe.py", line 249, in read_dpFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 836, in read_regFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 830, in read_reg_cbFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 143, in get_resultFile "pyocdutilityconcurrency.py", line 28, in _lockingFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 667, in flushFile "pyocdutilityconcurrency.py", line 28, in _lockingFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 915, in _read_packetFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 449, in decode_dataFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 418, in _decode_transfer_block_dataFile "pyocdprobepydapaccessdap_access_cmsis_dap.py", line 341, in _check_responsepyocd.probe.pydapaccess.dap_access_api.DAPAccessIntf.TransferError: No ACK receivedThe above exception was the direct cause of the following exception:Traceback (most recent call last):File "pyocd__main.py", line 362, in runFile "pyocd__main__.py", line 520, in do_flashFile "pyocdcoresession.py", line 302, in enter__File "pyocdcoresession.py", line 420, in openFile "pyocdboardboard.py", line 85, in initFile "pyocdcorecoresight_target.py", line 160, in initFile "pyocdutilitysequencer.py", line 213, in invokeFile "pyocdutilitysequencer.py", line 208, in invokeFile "pyocdcoresightdap.py", line 303, in _connectFile "pyocdcoresightdap.py", line 167, in connectFile "pyocdcoresightdap.py", line 194, in read_idrFile "pyocdprobecmsis_dap_probe.py", line 251, in read_dpFile "", line 3, in raise_frompyocd.core.exceptions.TransferError: No ACK received执行完毕, 耗时:2516ms.
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针对使用DAP-LINK烧录STM32芯片后无法二次下载的问题,以下是逐步解决方案: 1. 检查硬件连接
2. 手动复位芯片
3. 降低SWD通信频率 4. 检查BOOT引脚配置
5. 确认用户程序未禁用SWD
6. 强制全片擦除 7. 更新工具链
8. 检查路径与版本号
9. 使用替代工具验证
10. 检查芯片保护位
最终解决方案示例: 若问题仍未解决:
通过以上步骤,可系统性排查并解决因SWD通信失败导致的二次烧录问题。 |
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