Hello all, I usually assemble my programs with avra under linux. Now I am trying to assemble a program that I wrote for an atmega328 with PlatformIO in VSC instead. Some assembler directives do not work, for example the .equ I found I have to use #define (c precompiler) Also the HIGH() and LOW()…

.S files are assembled by PlatformIO with avr-gcc -x assembler-with-cpp, as can be observed when executing the project task Advanced → Verbose Build. So it’s a combination of the C pre-processor with avr-as (AVR GNU assembler). See avr-libc: avr-libc and assembler programs and Top (Using as) .

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Atmelavr assembler (directives and some commands)

retoa November 18, 2021, 6:56pm 7

Done, it looks like it will a lowercase main (I used MAIN).
Also the lo8 and hi8 have to be lowercase (they are probably defined for gcc, so case sensitive)
For the comments I can let ; and it works

Thank you very much for your time !!!