set(T ble_app_buttonless_dfu)
set(D ${MCU_NRF51_SDK_PATH}/examples/ble_peripheral/experimental_ble_app_buttonless_dfu)

if (NOT EXISTS ${D})
    message("${T}: Not available in this SDK version: ${D}")
    return()
endif ()

if (MCU_CHIP MATCHES "nrf51.*")
    set(SOFTDEVICE 130)
    set(SDK_CONFIG pca10028/s130/sdk_config.h)
    set(D_BOARD BOARD_PCA10028)
elseif (MCU_CHIP MATCHES "nrf52.*")
    set(SOFTDEVICE 132)
    set(SDK_CONFIG pca10040/s132/sdk_config.h)
    set(D_BOARD BOARD_PCA10040)
endif ()

message("${T}: Configured for chip ${MCU_CHIP}, using sdk config=${SDK_CONFIG}, board define: ${D_BOARD}")

if (MCU_NRF51_SDK_VERSION VERSION_GREATER 7)
    list(APPEND EXTRA_SOURCE_DIRS
        ${MCU_NRF51_SDK_PATH}/components/drivers_nrf/delay
        ${MCU_NRF51_SDK_PATH}/components/libraries/experimental_section_vars
        ${MCU_NRF51_SDK_PATH}/components/libraries/crc32)
endif ()

mcu_include_directories_from_sources(
    SOURCES_VAR SOURCES
    HEADERS_VAR HEADERS
    INCLUDES_VAR INCLUDES
    SOURCE_DIR
    ${MCU_NRF51_SDK_PATH}/components/ble/ble_advertising
    ${MCU_NRF51_SDK_PATH}/components/ble/ble_services/ble_dfu
    ${MCU_NRF51_SDK_PATH}/components/ble/common
    ${MCU_NRF51_SDK_PATH}/components/ble/peer_manager
    ${MCU_NRF51_SDK_PATH}/components/drivers_nrf/clock
    ${MCU_NRF51_SDK_PATH}/components/drivers_nrf/common
    ${MCU_NRF51_SDK_PATH}/components/drivers_nrf/gpiote
    ${MCU_NRF51_SDK_PATH}/components/drivers_nrf/hal
    ${MCU_NRF51_SDK_PATH}/components/libraries/button
    ${MCU_NRF51_SDK_PATH}/components/libraries/fds
    ${MCU_NRF51_SDK_PATH}/components/libraries/fstorage
    ${MCU_NRF51_SDK_PATH}/components/libraries/log
    ${MCU_NRF51_SDK_PATH}/components/libraries/scheduler
    ${MCU_NRF51_SDK_PATH}/components/libraries/sensorsim
    ${MCU_NRF51_SDK_PATH}/components/libraries/util
    ${MCU_NRF51_SDK_PATH}/components/softdevice/common/softdevice_handler
    ${EXTRA_SOURCE_DIRS}
    EXCLUDE
    "app_timer_freertos"
    "app_error_weak_cmock"
    "app_timer_rtx"
)

add_executable(${T}
    ${D}/main.c ${D}/nrf_dfu_flash_buttonless.c ${SDK_CONFIG}
    ${MCU_NRF51_SDK_PATH}/components/libraries/bootloader/dfu/nrf_dfu_settings.c
    ${MCU_NRF51_SDK_PATH}/components/libraries/timer/app_timer.c
    ${MCU_NRF51_SDK_PATH}/examples/bsp/bsp.c
    ${MCU_NRF51_SDK_PATH}/examples/bsp/bsp_btn_ble.c
    ${SOURCES} ${HEADERS})

target_include_directories(${T} PUBLIC
    ${INCLUDES}
    ${MCU_NRF51_SDK_PATH}/examples/bsp
    ${MCU_NRF51_SDK_PATH}/components/libraries/bootloader/dfu
    ${MCU_NRF51_SDK_PATH}/components/libraries/timer)
target_compile_definitions(${T} PUBLIC ${D_BOARD})
target_compile_definitions(${T} PUBLIC BLE_STACK_SUPPORT_REQD)
target_compile_definitions(${T} PUBLIC NRF_DFU_SETTINGS_VERSION=1337) # Is this correct?
target_compile_definitions(${T} PUBLIC NRF_SD_BLE_API_VERSION=3)
mcu_add_executable(TARGET ${T} SDK_CONFIG ${SDK_CONFIG} SOFTDEVICE ${SOFTDEVICE})