ST-LINK V2 is considered disconnected.

[kzmochi]

I cannot debug and flash the source code to use ST-LINK V2

message: No ST-LINK detected! Please connect ST-LINK and restart the debug session.

• [x] could you now flash binary files with cubeide?
• [x] could you now run debuger with cubeide?

[kzmochi]

I investigated Nucleo-F446RE hardware user's manual and found that is not installed ST-LINK driver. Users manual for Nucleo-F446RE. STM32 Nucleo-64 development board However, ST-LINK driver has only been officially released in Windows. ST-LINK driver for windows os. ST-LINK, ST-LINK/V2, ST-LINK/V2-1, STLINK-V3 USB driver signed for Windows7, Windows8, Windows10

Install the open source stlink-tools in your Linux environment.

• Download $ git clone https://github.com/stlink-org/stlink

• Build Change to the stlink directory and run it. $ cd stlink $ make

• Install Change to the Release directory and run it. $ cd build/Release $ sudo make install

• Setting udev Set the rule to udev to create ST-Link devices when the STM32 board is connected to USB. $ cd config/udev/rules.d/ $ sudo cp 49-stlink* /etc/udev/rules.d/ $ sudo udevadm control --reload-rules

• Confirming udev If dev has stlink2_1 OK. $ ls /dev/

• Setting Vartual Box Select USB 3.0 (xHCI) Controller. Add USB Device Filter for STM32 STLink. Get USB Serial No Confirm communication statsu. You need to trun on capture from busy.

• Setting CubeIDE Open run configraton, select debug tab, you insert USB Serial No.