project(cpp_sources)

set(CPU_MCU "-mcpu=cortex-m0")

set(CPP_FLAGS 
	${CPU_MCU}
	-mthumb				#Instruction set : https://stackoverflow.com/questions/10638130/what-is-the-arm-thumb-instruction-set 
	-Wall				#Error : If you don't know this one please chek basical compiling 
	-fdata-sections		#Optimization : Linker can perform optimizations to improve locality of reference in the instruction space.
	-fdiagnostics-color=always
	-ffunction-sections #Optimization : used with -fdata-sections
	$<$<CONFIG:Debug>:-O -g -gdwarf-2>)

set(CPP_DEFS 
	-DUSE_FULL_LL_DRIVER 
	-DSTM32F042x6 
	-DHSE_VALUE=8000000 
	-DHSE_STARTUP_TIMEOUT=100 
	-DLSE_STARTUP_TIMEOUT=5000 
	-DLSE_VALUE=32768 
	-DHSI_VALUE=8000000 
	-DLSI_VALUE=40000 
	-DVDD_VALUE=3300 
	-DPREFETCH_ENABLE=1 
	-DINSTRUCTION_CACHE_ENABLE=0 
	-DDATA_CACHE_ENABLE=0)

set (CPP_SOURCES transfer.cpp)
set (CPP_INCLUDES .)

add_library(${PROJECT_NAME} ${CPP_SOURCES})
target_compile_options(${PROJECT_NAME} PUBLIC ${CPP_FLAGS})
target_compile_definitions(${PROJECT_NAME} PUBLIC ${CPP_DEFS})
target_include_directories(${PROJECT_NAME} PUBLIC ${CPP_INCLUDES})
add_library(sub::stmSources ALIAS ${PROJECT_NAME})