RTTStudio调试时出现Debugger connection lost错误

发布于 2020-07-07 23:38:49 浏览：2342 订阅该版

用RT-Thread Studio调试潘多拉STM32L4 IOT开发板，出现Debugger connection lost错误。以下是Debug时的信息：
C:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\STMicroelectronics\ST-LINK_Debugger\1.2.0>C:/RT-ThreadStudio/repo/Extract/Debugger_Support_Packages/STMicroelectronics/ST-LINK_Debugger/1.2.0/ST-LINK_gdbserver.exe -c C:/RT-ThreadStudio/repo/Extract/Debugger_Support_Packages/STMicroelectronics/ST-LINK_Debugger/1.2.0/config.txt

Starting server with the following options:
        Persistent Mode            : Disabled
        LogFile Name               : debug.log
        Logging Level              : 31
        Listen Port Number         : 61235
        Status Refresh Delay       : 15s
        Verbose Mode               : Disabled
        SWD Debug                  : Enabled

Target connection mode: Default
Hardware watchpoint supported by the target 
COM frequency = 4000 kHz
ST-LINK Firmware version : V2J27M15
Device ID: 0x415
PC: 0x8002e98
ST-LINK device status: HALT_MODE
ST-LINK detects target voltage = 3.30 V
ST-LINK device status: HALT_MODE
ST-LINK device initialization OK
Waiting for debugger connection...
Waiting for connection on port 61235...
Accepted connection on port 61235...
Debugger connected
 ------ Switching to STM32CubeProgrammer ----- 
      -------------------------------------------------------------------
                       STM32CubeProgrammer v2.3.0                  
      -------------------------------------------------------------------

Error: C:\Users\钂嬪骞砛AppData\Local\Temp\STM32CubeProgrammer_a06232.log does not exist
ST-LINK SN  : 066DFF515255706587221042
ST-LINK FW  : V2J27M15
Voltage     : 3.30V
SWD freq    : 4000 KHz
Connect mode: Under Reset
Reset mode  : Hardware reset
Device ID   : 0x415
Device name : STM32L4x1/STM32L475xx/STM32L476xx/STM32L486xx
Flash size  : 512 KBytes
Device type : MCU
Device CPU  : Cortex-M4

Memory Programming ...
Opening and parsing file: ST-LINK_GDB_server_a06232.srec
  File          : ST-LINK_GDB_server_a06232.srec
  Size          : 36632 Bytes
  Address       : 0x08000000

Erasing memory corresponding to segment 0:
Erasing internal memory sectors [0 17]
Download in Progress:

File download complete
Time elapsed during download operation: 00:00:01.538
Encountered Error when opening C:/RT-ThreadStudio/repo/Extract/Debugger_Support_Packages/STMicroelectronics/ST-LINK_Debugger/1.2.0/tools/bin\STM32_Programmer_CLI.exe
 ------ Switching context ----- 
Error in STM32CubeProgrammer
Debugger connection lost.
Shutting down...

Debugger配置如下，采用的是潘多拉板载ST_LINK
![image.png](/uploads/20200707/3c83edbb09dd6681dd7ee3b636875249.png)