function(addPeripheral alias)	
	if(EXISTS ${CSL_SOURCES}/imp_${alias}.c)    # Checks if the desired peripheral is implemented for the desired CSL.
		message("Chip has usart >>imp_${alias}.c was found<<")
		if(EXISTS ${PERIFERALS_DIR}/${alias}.c) # Cheks if generic funtions are awailable. this is useful for standars as SPI i2c etc...
			message("${alias}.c generic functions library extits")
			add_library(${alias}_submodule ${alias}.c ${CSL_SOURCES}/imp_${alias}.c)
		else()
			add_library(${alias}_submodule ${CSL_SOURCES}/imp_${alias}.c)
		endif()

		target_compile_options(${alias}_submodule PRIVATE ${C_FLAGS})
		target_compile_definitions(${alias}_submodule PRIVATE ${C_DEFS})
		target_include_directories(${alias}_submodule PUBLIC ${PERIFERALS_DIR} ${CSL_INCLUDES})
		add_library(sub::${alias} ALIAS ${alias}_submodule)
		
	else()              # optional block
		message("${BoldRed}Chip has no usart periferal >>imp_usart.c was not found<<")
		message("${BoldRed}Compilation Aborted")
	endif()
endfunction()

addPeripheral("deviceSetup") # TODO: this point needs to be discussed. How should it work and what should it do?
addPeripheral("timer")
addPeripheral("usart")
addPeripheral("spi")
addPeripheral("i2c")
addPeripheral("delay")
addPeripheral("pin")