####################################################################################################
# bsl_nucleo_f042k6.cmake
####################################################################################################

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

#set(IDIR_BIN "${CMAKE_SOURCE_DIR}/bsl/nucleo_f042k6/bin")
#set(IDIR_LIB "${CMAKE_SOURCE_DIR}/bsl/nucleo_f042k6/lib")
#set(IDIR_INC "${CMAKE_SOURCE_DIR}/bsl/nucleo_f042k6/inc")

####################################################################################################
#PROJECT & LIBRARIES : defined by user and important that it comes after the VARIABLES otherwise the Set varibale will not be used. 
####################################################################################################
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(CMAKE_CROSSCOMPILING TRUE)

set(LINKER ${CMAKE_SOURCE_DIR}/csl/stm32f042/startup/STM32F042K6Tx_FLASH.ld)
set(CSL_USED ${CMAKE_SOURCE_DIR}/csl/stm32f042)
####################################################################################################
#VARIABLES : defined by user
####################################################################################################

set(CSL_INCLUDES
	${UTILS_DIR}
	${CMAKE_SOURCE_DIR}/csl/stm32f042/CMSIS/Include
	${CMAKE_SOURCE_DIR}/csl/stm32f042/Device)

# 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 
	##	-O1
	-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 
	-DARM_MCU #Defined by kerem to auto configure headers in main.hpp
	-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(LINKER_FLAGS
	${CPU_MCU}
	-mthumb
	-specs=nano.specs
	-T${LINKER}
	-lc 
	-lm 
	-lnosys
	-Wl,-Map=${PROJECT_NAME}.map,--cref 
	-Wl,--gc-sections)
#The order is important

set (MAIN_INCLUDES ${CMAKE_SOURCE_DIR})
set (MAIN_FLAGS ${C_FLAGS})
set (MAIN_DEFS ${C_DEFS})

list(APPEND EXTRA_LIBS sub::startup)
#list(APPEND EXTRA_LIBS sub::translator)
list(APPEND EXTRA_LIBS sub::delay)
list(APPEND EXTRA_LIBS sub::pin) 
list(APPEND EXTRA_LIBS sub::usart)
list(APPEND EXTRA_LIBS sub::timer)
list(APPEND EXTRA_LIBS sub::init)