SEGGER Embedded Studio (SES) is a cross-platform integrated development environment (IDE) for ARM and RISC-V architecture processors developed by SEGGER, known for its fast execution speed and strong functionality. SES includes Clang/LLVM and GCC compilers, utilizing SEGGER’s runtime library, which occupies less code space and offers higher execution efficiency compared to GCC’s newlib.
SES can import projects from other IDEs, such as IAR, Keil, and Eclipse. Since STM32CubeIDE is based on Eclipse, projects generated by STM32CubeMX for STM32CubeIDE can also be imported into SES. Below is a brief description of this process.
Steps
1. First, prepare the project to be imported into SES, which can be created using STM32CubeMX or directly in STM32CubeIDE. For example, when generating a project with CubeMX, select Toolchain/IDE as STM32CubeIDE and generate the project:
2. Open SES for ARM, select File -> Import Project… -> Import Eclipse Project, locate the directory where the STM32CubeIDE project files are located, and select the .project file.
3. Select Internal Toolchain and click OK to confirm, choosing to use SES’s built-in GCC compiler.
4. Wait for the SES .emProject file to be generated; a message will be displayed upon completion.
5. In the Project Explorer, select the Core folder, right-click, and choose Setup to edit Exclude Specifications, entering Core/; syscalls.c; sysmem.c; startup_*.s, and confirm by clicking OK.
The basic project import and setup is complete. By using the target-specific files in the CPU support package, the project can be further tailored for the selected target device:
🔺 Download the CPU support package for the chip through Tools->Package Manager in embedded SES, select the chip, and install the package. (For example, install the STM32G4xx package for STM32F474RE);
🔺 Next, open the newly installed Packages folder via File->Open Studio Folder…->Packages Folder. (In this example, /STM32G4xx/);
🔺 Create a new folder /ES/ in the project location and enter it.
🔺 Copy the following chip-specific files from the package folder to this folder. (In this example, from $(PackagesDir)/STM32G4xx/ to $(ProjectDir)/ES/);
🔹 Startup code, /Source/_Startup.s. (Source/STM32G4xx_Startup.s)
🔹 Vector table, /Source/_Vectors.s. (Source/STM32G474_Vectors.s)
🔹 Linker script, /Scripts/_Flash.icf. (Source/STM32G4xx_Flash.icf)
🔹 Memory map, /XML/_MemoryMap.xml. (/XML/STM32G474RETx_MemoryMap.xml)
🔹 Register file, /XML/_Registers.xml. (/XML/STM32G474xx_Registers.xml)
🔹 Drag and drop the /ES/ folder into the project explorer window;
🔹 Open project options and change the build configuration to Common
· Set Code -> Linker -> Linker Script File to the .icf file
· Set Debug -> Debugger -> Register Definition File to *_Registers.xml (if available)
· In the project explorer, delete the generic startup code Cortex_M_Startup.s from internal files
At this point, the import and setup of the project is complete, and adjustments have been made for the target system. You can now add code and debug applications in SES. The hardware debugger can use J-Link or any other hardware debugger that supports GDB Server.
SES is completely free for evaluation and educational purposes, with no limitations on functionality or duration.
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