Thank you @Sgilk for your promt reply, Yes is exactly what I mean, great example that you mention. I am using C++ too. However the configurations of snapcraft.yaml and CmakLists.txt there are not the same like Hello.World proyect. for obvously reason. However... what happend when I tried to use another libraries like: curl, cpprest, nlohman, etc. When I tried to build the snap to arm64, collapse and I dont know why, even the output the terminal show something like *EXPERIMENTAL* --target-arch for core20 enabled. I already try to force to build in arm, but it doesnt work. And perhaps your question is... What do you whant to do??? Well.. basically I just whant that when Ctrlx 3 and Ctrlx 7 turn on.... detect the memory SD (with rest api) and then dectect the free capacity... If free capacity is lower than 90% of Total capacity then: Start to recording Data (millions of data) during aprox 1 minute, then Save data in csv in that specific SD memory. After finish to save the data... return to start again the cycle... and detect the free capacity... When the free capacity is lower than 10% of Total capacity then: stop to save data. All of this has to be plug and play with memory SD.. I mean the C++ code has to recognize the name of SD memory in order save it in a specific path. The final user.. just plug and play the memory SD after each month and thats all.. The final user... just plug and play the SD memory in his laptop and start to play with data. Not more.. So with this information... what do you recommend? With all your expertise.. what do you think that will be the more efective way to do that? Currently I am using Ctrlx Works to open a SSH.. then open it with Visual studio code and then select the app hello.world .. erase all in the main.cpp and start to code in that file.. then after many libraries like curl... and so on.. start to fail when I build snap with buil snap arm64. So I can not download to upload in the Ctrlx Core 3 and install it.
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