cmake_minimum_required(VERSION 3.10)

project(landzo_k60_template)

enable_language(CXX)
enable_language(ASM)

# Different linker scripts
set(TARGET_LDSCRIPT_FLASH "${CMAKE_SOURCE_DIR}/SDK/devices/MK60D10/gcc/MK60DN512xxx10_flash.ld")
set(TARGET_LDSCRIPT_RAM   "${CMAKE_SOURCE_DIR}/SDK/devices/MK60D10/gcc/MK60DN512xxx10_ram.ld")

set(TARGET_SOURCES
    "SDK/devices/MK60D10/drivers/fsl_adc16.c"
    "SDK/devices/MK60D10/drivers/fsl_clock.c"
    "SDK/devices/MK60D10/drivers/fsl_cmp.c"
    "SDK/devices/MK60D10/drivers/fsl_cmt.c"
    "SDK/devices/MK60D10/drivers/fsl_common.c"
    "SDK/devices/MK60D10/drivers/fsl_crc.c"
    "SDK/devices/MK60D10/drivers/fsl_dac.c"
    "SDK/devices/MK60D10/drivers/fsl_dmamux.c"
    "SDK/devices/MK60D10/drivers/fsl_dspi.c"
    "SDK/devices/MK60D10/drivers/fsl_dspi_edma.c"
    "SDK/devices/MK60D10/drivers/fsl_edma.c"
    "SDK/devices/MK60D10/drivers/fsl_enet.c"
    "SDK/devices/MK60D10/drivers/fsl_ewm.c"
    "SDK/devices/MK60D10/drivers/fsl_flash.c"
    "SDK/devices/MK60D10/drivers/fsl_flexbus.c"
    "SDK/devices/MK60D10/drivers/fsl_flexcan.c"
    "SDK/devices/MK60D10/drivers/fsl_ftm.c"
    "SDK/devices/MK60D10/drivers/fsl_gpio.c"
    "SDK/devices/MK60D10/drivers/fsl_i2c.c"
    "SDK/devices/MK60D10/drivers/fsl_i2c_edma.c"
    "SDK/devices/MK60D10/drivers/fsl_llwu.c"
    "SDK/devices/MK60D10/drivers/fsl_lptmr.c"
    "SDK/devices/MK60D10/drivers/fsl_pdb.c"
    "SDK/devices/MK60D10/drivers/fsl_pit.c"
    "SDK/devices/MK60D10/drivers/fsl_pmc.c"
    "SDK/devices/MK60D10/drivers/fsl_rcm.c"
    "SDK/devices/MK60D10/drivers/fsl_rnga.c"
    "SDK/devices/MK60D10/drivers/fsl_rtc.c"
    "SDK/devices/MK60D10/drivers/fsl_sai.c"
    "SDK/devices/MK60D10/drivers/fsl_sai_edma.c"
    "SDK/devices/MK60D10/drivers/fsl_sdhc.c"
    "SDK/devices/MK60D10/drivers/fsl_sim.c"
    "SDK/devices/MK60D10/drivers/fsl_smc.c"
    "SDK/devices/MK60D10/drivers/fsl_sysmpu.c"
    "SDK/devices/MK60D10/drivers/fsl_tsi_v2.c"
    "SDK/devices/MK60D10/drivers/fsl_uart.c"
    "SDK/devices/MK60D10/drivers/fsl_uart_edma.c"
    "SDK/devices/MK60D10/drivers/fsl_vref.c"
    "SDK/devices/MK60D10/drivers/fsl_wdog.c"
    "SDK/devices/MK60D10/system_MK60D10.c"
    "SDK/devices/MK60D10/utilities/fsl_debug_console.c"
    "SDK/devices/MK60D10/utilities/fsl_notifier.c"
    "SDK/devices/MK60D10/utilities/fsl_sbrk.c"
    "SDK/devices/MK60D10/gcc/startup_MK60D10.S"
    "SDK/devices/MK60D10/system_MK60D10.c"
    "board/board.c"
    "board/clock_config.c"
    "board/peripherals.c"
    "board/pin_mux.c"
    "src/lcd_impl.c"
    "src/main.c"
    "src/system_utilities.c"
)

set(TARGET_C_DEFINES
    "CPU_MK60DN512VLQ10"
    "__STARTUP_CLEAR_BSS"
)

set(TARGET_C_INCLUDES
    "SDK/CMSIS/Include"
    "SDK/devices/MK60D10"
    "SDK/devices/MK60D10/drivers"
    "SDK/devices/MK60D10/utilities"
    "board"
    "include"
)

# Shared libraries linked with application
set(TARGET_LIBS
    "epd-spi"
)

# Shared library and linker script search paths
set(TARGET_LIB_DIRECTORIES

)

# Device specific settings, goes to CFLAGS and LDFLAGS
set(TARGET_CFLAGS_HARDWARE "-mcpu=cortex-m4 -mthumb -mfloat-abi=soft")

# Conditional flags
# DEBUG
set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG -O0 -g")
set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG -O0 -g")
set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG -O0 -g")

# RELEASE
set(CMAKE_C_FLAGS_RELEASE        "-DNDEBUG -O2 -flto")
set(CMAKE_CXX_FLAGS_RELEASE      "-DNDEBUG -O2 -flto")
set(CMAKE_ASM_FLAGS_RELEASE      "-DNDEBUG -O2 -flto")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-flto")

# Final compiler flags
set(CMAKE_C_FLAGS          "${CMAKE_C_FLAGS} ${TARGET_CFLAGS_HARDWARE} -Wall -fno-common -fno-builtin -ffreestanding -fdata-sections -ffunction-sections")
set(CMAKE_CXX_FLAGS        "${CMAKE_CXX_FLAGS} ${TARGET_CFLAGS_HARDWARE} -Wall -fno-common -fno-builtin -ffreestanding -fdata-sections -ffunction-sections")
set(CMAKE_ASM_FLAGS        "${CMAKE_ASM_FLAGS} ${CMAKE_C_FLAGS} -x assembler-with-cpp")
set(CMAKE_EXE_LINKER_FLAGS "-specs=nano.specs -specs=nosys.specs -Wl,--gc-sections -Wl,--print-memory-usage -lc -lm -lnosys ")

add_subdirectory(lib/lcd)

# Shared sources, includes and definitions
add_compile_definitions(${TARGET_C_DEFINES})
include_directories(${TARGET_C_INCLUDES})
link_directories(${TARGET_LIB_DIRECTORIES})
link_libraries(${TARGET_LIBS})

# Main targets are added here

# Create ELF
add_executable("${CMAKE_PROJECT_NAME}_FLASH.elf" ${TARGET_SOURCES})
target_link_options("${CMAKE_PROJECT_NAME}_FLASH.elf"
    PRIVATE "-T${TARGET_LDSCRIPT_FLASH}"
)
add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_FLASH.hex"
    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_FLASH.elf" "${CMAKE_PROJECT_NAME}_FLASH.hex"
    DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.elf"
)
add_custom_target("${CMAKE_PROJECT_NAME}_FLASH_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.hex")

# Create ELF
add_executable("${CMAKE_PROJECT_NAME}_RAM.elf" ${TARGET_SOURCES})
target_link_options("${CMAKE_PROJECT_NAME}_RAM.elf"
    PRIVATE "-T${TARGET_LDSCRIPT_RAM}"
)
add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_RAM.hex"
    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_RAM.elf" "${CMAKE_PROJECT_NAME}_RAM.hex"
    DEPENDS "${CMAKE_PROJECT_NAME}_RAM.elf"
)
add_custom_target("${CMAKE_PROJECT_NAME}_RAM_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_RAM.hex")