ART-PI使用rtthread-stdio下载时无法进行重启MCU，下载失败

发布于 2021-08-14 14:02:18 浏览：1706 订阅该版

[tocm]

_使用rt-thread-stdio中示例程序art_pi_blink_led，选择使用stlink下载；
编译无问题，下载过程中提示无法重启MCU。_

已排除为：
### 1. 外部Flash的烧写算法出错

相关问题链接
[ART-PI下载错误](https://blog.csdn.net/weixin_44553006/article/details/118761859?spm=1001.2014.3001.5501)

###2. 已检查stlink驱动正常

**控制台信息如下：**
```
开始下载程序：2021-08-14 13:59:10
D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\STMicroelectronics\ST-LINK_Debugger\1.6.0\tools\bin>D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\STMicroelectronics\ST-LINK_Debugger\1.6.0\tools\bin\STM32_Programmer_CLI.exe -c port=SWD --extload D:\RT-ThreadStudio\workspace\art_pi_blink_led\board\stldr\ART-Pi_W25Q64.stldr mode=NORMAL -d "D:\RT-ThreadStudio\workspace\art_pi_blink_led\Debug\rtthread.elf" -hardRst -s 
      -------------------------------------------------------------------
                       STM32CubeProgrammer v2.7.0-RC1                  
      -------------------------------------------------------------------
Warning: The external loader file does not exist:
mode=normal
ST-LINK SN  : 066EFF554957886687083049
ST-LINK FW  : V2J35M26
Board       : --
Voltage     : 3.27V
SWD freq    : 4000 KHz
Connect mode: Normal
Reset mode  : Software reset
Device ID   : 0x450
Revision ID : Rev V
Device name : STM32H7xx
Flash size  : 128 KBytes
Device type : MCU
Device CPU  : Cortex-M7
Memory Programming ...
Opening and parsing file: rtthread.elf
  File          : rtthread.elf
  Size          : 145680 Bytes
  Address       : 0x90000000 
Erasing memory corresponding to segment 0:
Erasing external memory sectors [0 35]
Download in Progress:
Progress: 100%
File download complete
Time elapsed during download operation: 00:00:04.620
Error: Unable to reset MCU!
RUNNING Program ... 
  Address:      : 0x8000000
Application is running
Start operation achieved successfully
执行完毕, 耗时：4823ms.
```

出出啊 2021-08-14

恃人不如自恃，人之为己者不如己之自为也

daoHeng 2021-08-14

这家伙很懒，什么也没写！

可以下载了，改成了system reset
```
开始下载程序：2021-08-14 14:18:18
D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\STMicroelectronics\ST-LINK_Debugger\1.6.0\tools\bin>D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\STMicroelectronics\ST-LINK_Debugger\1.6.0\tools\bin\STM32_Programmer_CLI.exe -c port=SWD --extload D:\RT-ThreadStudio\workspace\art_pi_blink_led\board\stldr\ART-Pi_W25Q64.stldr mode=NORMAL -d "D:\RT-ThreadStudio\workspace\art_pi_blink_led\Debug\rtthread.elf" -rst -s 
      -------------------------------------------------------------------
                       STM32CubeProgrammer v2.7.0-RC1                  
      -------------------------------------------------------------------
Warning: The external loader file does not exist:
mode=normal
ST-LINK SN  : 066EFF554957886687083049
ST-LINK FW  : V2J35M26
Board       : --
Voltage     : 3.27V
SWD freq    : 4000 KHz
Connect mode: Normal
Reset mode  : Software reset
Device ID   : 0x450
Revision ID : Rev V
Device name : STM32H7xx
Flash size  : 128 KBytes
Device type : MCU
Device CPU  : Cortex-M7
Memory Programming ...
Opening and parsing file: rtthread.elf
  File          : rtthread.elf
  Size          : 145680 Bytes
  Address       : 0x90000000 
Erasing memory corresponding to segment 0:
Erasing external memory sectors [0 35]
Download in Progress:
Progress: 100%
File download complete
Time elapsed during download operation: 00:00:04.618
MCU Reset
Software reset is performed
RUNNING Program ... 
  Address:      : 0x8000000
Application is running
Start operation achieved successfully
执行完毕, 耗时：4815ms.
```