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

set(IDIR_BIN "/home/key/Git/ked/bsl/nucleo_f042k6/bin")
set(IDIR_LIB "/home/key/Git/ked/bsl/nucleo_f042k6/lib")
set(IDIR_INC "/home/key/Git/ked/bsl/nucleo_f042k6/inc")

# For flags please check https://manned.org/arm-none-eabi-gcc/34fd6095
set(C_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(C_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_INCLUDES .)#${C_INCLUDES} )
set (CPP_FLAGS ${C_FLAGS})
set (CPP_DEFS ${C_DEFS})

set(LINKER_FLAGS
	${CPU_MCU}
	-mthumb
	-specs=nano.specs
	-T${CMAKE_SOURCE_DIR}/${LINKER}
	-lc 
	-lm 
	-lnosys
	-Wl,-Map=${PROJECT_NAME}.map,--cref 
	-Wl,--gc-sections)