cmake_minimum_required(VERSION 3.13)

if(NOT DEFINED LIB_ROOT)
    set(LIB_ROOT ${CMAKE_SOURCE_DIR}/../..)
endif(NOT DEFINED LIB_ROOT)

set(PICO_SDK_PATH ${LIB_ROOT}/submodules/pico-sdk/)
include(          ${LIB_ROOT}/submodules/pico-sdk/external/pico_sdk_import.cmake)

# Pull in FreeRTOS
include(${LIB_ROOT}/submodules/FreeRTOS-Kernel/portable/ThirdParty/GCC/RP2040/FreeRTOS_Kernel_import.cmake)

set(PICOTOOL_FETCH_FROM_GIT_PATH ${LIB_ROOT}/submodules/picotool/)

# Include the Pico SDK (make sure to use the correct path to pico_sdk_import.cmake)
include(FetchContent)

# Define the project
set(PROJECT ex6_reboot_to_bootloader)
project(${PROJECT} C CXX ASM)

# Initialize the Pico SDK
pico_sdk_init()

include_directories(
    ${LIB_ROOT}/submodules/pico-sdk/src/rp2040/hardware_structs/include/
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/include/
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/portable/ThirdParty/GCC/RP2040/include/
    include/
    ${LIB_ROOT}/submodules/pico-sdk/src/rp2_common/hardware_exception/include/
    ${LIB_ROOT}/submodules/pico-sdk/src/rp2_common/pico_multicore/include/
)

# Create the executable
add_executable(${PROJECT} main.c
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/tasks.c
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/queue.c
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/list.c
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/portable/ThirdParty/GCC/RP2040/port.c
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/portable/MemMang/heap_3.c
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/event_groups.c
    ${LIB_ROOT}/submodules/FreeRTOS-Kernel/timers.c
    ${LIB_ROOT}/submodules/pico-sdk/src/rp2_common/hardware_exception/exception.c
)

# Link against FreeRTOS, Pico SDK, and freertos_config
target_link_libraries(${PROJECT} pico_stdlib)
pico_add_extra_outputs(${PROJECT})

pico_enable_stdio_usb( ${PROJECT} 1)
pico_enable_stdio_uart(${PROJECT} 0)