VS CODE: use one source code for different devices (e.g. ESP32 WROOM, ESP32C6)

[cpehonk]

Hi All!

I would like to know if it is possible to have one main folder with code in VS CODE, but to target to different processor types with different *.bin names. To give an example:
I have written some code primarily for the ESP32-WROOM module. Now, I would like to target an ESP32C6 module from the same code base, but with different target binary files: e.g. esp32wroom.bin and esp32c6.bin.
What must I do within the solution folder in VS CODE to address both?
Any hints?

Thanks in advance
Chris

[cpehonk]

If anybody is interested: solved my problem by adding some cmake custom commands to the CMakeList.txt file in the project root folder.

Greetings
Christoph

[DrMickeyLauer]

Care to elaborate? I'm always curious about ways to solve this problem.

Conceptually, I like how platformio solves it, however I don't like the additional non-standard abstractions it comes with.

I'm using different board directories where each of it has a dedicated `sdkconfig`, while the code directories are embedded via softlinks.

[cpehonk]

No problem It cost me several days to figure out. But this is my (quite simple) solution and it works fine.

In my project structure on disk I added a "Binaries" folder where cmake copies the required files.
Additionally, I saved a "sdkconfig.defaults.xxx" for each target architecture I use (here: "esp32" & "esp32c6").

I added the following commands right after the "project()" command in the main CMakeList.txt file:

Code: Select all

set(CPU_BIN "Binaries/${PROJECT_NAME}_${IDF_TARGET}.bin")
set(CPU_ELF "Binaries/${PROJECT_NAME}_${IDF_TARGET}.elf")
set(CPU_JSON "Binaries/project_description_${IDF_TARGET}.json")

#file(REMOVE ${PROJECT_DIR}/${CPU_BIN})
#file(REMOVE ${PROJECT_DIR}/${CPU_ELF})
#file(REMOVE ${PROJECT_DIR}/${CPU_JSON})

add_custom_command(
    TARGET app
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy
            ${PROJECT_DIR}/build/${PROJECT_NAME}.bin
            ${PROJECT_DIR}/${CPU_BIN}
    VERBATIM
)

add_custom_command(
    TARGET app
    POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy
                ${PROJECT_DIR}/build/${PROJECT_NAME}.elf
                ${PROJECT_DIR}/${CPU_ELF}
)

add_custom_command(
    TARGET app
    POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy
                ${PROJECT_DIR}/build/project_description.json
                ${PROJECT_DIR}/${CPU_JSON}
)

In case of trying to decode a core dump you need all these three files. Each time you compile these files are replaced or even created if they dont exist before.

Hope this helps!

Greetings
Christoph