I'm trying to read/write to an IO port on an x86 based PC-104 board. Should I be using the HAL_WRITE_XXX, HAL_READ_XXX macros or is there something else that handles these types of IO accesses? Thanks! -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss