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The ST examples provided by Segger are debugged using J-Link. But what if we only have the ST-Link emulator? This article will introduce how to use ST-Link for debugging in Segger Embedded Studio.
Operating Environment:1. Embedded Studio for ARM v4.52. ST Nucleo-L476RG BoardSetting Up ST-Link in Embedded Studio:We are using the emBOS-STM32L476RG project provided by Segger
Select the project, right-click, and choose Options:
Select Debug->Debugger->Target Connection, click on the rightmost side to bring up a dropdown checkbox, click the arrow to pop up the checkbox, and select GDB Server:
Then select GDB Server->Type on the left side, click on the rightmost side to bring up a dropdown checkbox, click the arrow to pop up the checkbox, and select ST-Link:
Other options can be left as default, click OK to save.
Start the GDB server, we are using the ST-Link GDB Server in TrueSTUDIO for STM32 9.3.0, before debugging, run D:\atollic\TrueSTUDIO for STM32 9.3.0\Servers\ST-LINK_gdbserver\ ST-LINK_gdbserver.bat(Note: Atollic is a Swedish embedded software tool development company, currently acquired by ST. Its embedded development environment is TrueSTUDIO, and we need to use the gdbserver software that supports ST-Link, which can be downloaded from TrueSTUDIO’s website at https://atollic.com/truestudio.)
The running results are shown below:
Now, we select Target->Connect GDB Server from the main menu of Embedded Studio:
At this point, we can see in the OUTPUT window of the IDE that the GDB Server connection is complete, and a GDB Server is displayed in the lower right prompt bar.
Now, we select Debug->Go from the main menu
In the Output window, we can see the download information as shown below:
We see that the program stops at the Main function, and we can start debugging.
Conclusion
Many ST development boards do not provide JTAG or SWD interfaces, only providing onboard ST-Link. This method allows for easy debugging of programs using ST-Link in Segger Embedded Studio.
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