cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
project(skl_tunnel
    LANGUAGES
        C CXX
)

include(FetchContent)

FetchContent_Declare(
    skullc
    GIT_REPOSITORY "https://git.skullnet.me/erki/skullc-peripherals.git"
)

set(SKULLC_WITH_HAL OFF)
set(SKULLC_WITH_TESTS OFF)
FetchContent_MakeAvailable(skullc)

add_executable(skl_tunnel
    hal/src/hal_io.c
    samd21a/gcc/gcc/startup_samd21.c
    hpl/eic/hpl_eic.c
    hal/utils/src/utils_syscalls.c
    hal/src/hal_spi_m_sync.c
    hal/src/hal_delay.c
    hpl/pm/hpl_pm.c
    hpl/core/hpl_init.c
    hal/utils/src/utils_list.c
    hpl/core/hpl_core_m0plus_base.c
    hal/utils/src/utils_assert.c
    hpl/dmac/hpl_dmac.c
    hpl/sysctrl/hpl_sysctrl.c
    hpl/sercom/hpl_sercom.c
    hpl/gclk/hpl_gclk.c
    hal/src/hal_init.c

    samd21a/gcc/system_samd21.c
    examples/driver_examples.c
    driver_init.c
    hal/src/hal_usart_async.c
    hal/src/hal_ext_irq.c
    hal/utils/src/utils_ringbuffer.c
    hal/src/hal_gpio.c
    hal/utils/src/utils_event.c
    hal/src/hal_sleep.c
    atmel_start.c
    hal/src/hal_atomic.c

    radio/src/radio_spi.c
    radio/src/radio_gpio.c
    radio/src/radio_hw_instance.cpp

    app/src/app_logging.cpp
    main.cpp
    syscalls.c
)

target_include_directories(skl_tunnel
    PRIVATE
        ${CMAKE_CURRENT_LIST_DIR}
        config
        examples
        
        hal/include
        hal/utils/include
        hpl/core
        hpl/dmac
        hpl/eic
        hpl/gclk
        hpl/pm
        hpl/port
        hpl/sercom
        hpl/sysctrl
        
        hri
        
        CMSIS/Core/Include
        samd21a/include
        radio/include
        app/include
)

target_link_libraries(skl_tunnel
    PRIVATE
        skullc::utility
)

set_target_properties(skl_tunnel
    PROPERTIES
        CXX_STANDARD 17
        C_STANDARD 11
)

target_compile_definitions(skl_tunnel
    PRIVATE
        "__SAMD21E17A__"
        F_CPU=48000000
)

target_link_options(skl_tunnel
    PRIVATE
        -Wl,--script=${CMAKE_CURRENT_LIST_DIR}/samd21a/gcc/gcc/samd21e17a_flash.ld
        -Wl,--gc-sections
        -Wl,--print-memory-usage
)