Kconfig

config CHIP
    string "Target chip"

config FIRMWARE
    string "Firmware type"

config BOARD
    string "Target board"
    depends on (FIRMWARE = "lpcopen")

if FIRMWARE != "MCUXpresso-SDK"
config ENABLE_CRP
    bool "Code Read Protection support"

config ENABLE_MTB
    bool "Micro Trace Buffer support"
endif

if FIRMWARE = "MCUXpresso-SDK"
config MCUXPRESSOSDK_DEVICE
    string "Device type of the MCUXpresso SDK"

config MCUXPRESSOSDK_CPU_FEATURES
    string "CPU features of the MCUXpresso SDK"
endif

menu "Device drivers"
    config CMSIS_CODE_BUNDLE
        bool "Use CMSIS drivers in Code Bundle"
        depends on (CHIP = "lpc8xx" && FIRMWARE = "cmsis")

    if CHIP = "lpc175x_6x"
        config LPCOPEN_USBD
            bool "Add prebuilt USB device stack libraries for LPC17xx/LPC40xx"

        config HAS_LPCUSBLIB
            bool "Add LPCUSBLib support"
            help
                LPCUSBlib is a full featured, open-source USB library designed to run on
                all USB capable LPC microcontrollers from NXP.
    endif
endmenu

menu "Build with external modules"
    config EXT_UTILS
        bool

    menuconfig HAS_PRINTF
        bool "Embedded printf() support"
        imply EXT_UTILS
        help
            Link against a tiny but fully loaded printf, sprintf and (v)snprintf
            implementation designed for embedded systems, instead of linking against
            libc which printf() may not be available due to memory issues.

    if HAS_PRINTF
        config PRINTF_OUTPUT_HOOK
            string "Platform specific low level output function"

        config PRINTF_DROP_FLOAT
            bool "Turn off floating point support"

        config PRINTF_DROP_EXPONENTIAL
            bool "Turn off exponential support"

        config PRINTF_DROP_LONG_LONG
            bool "Turn off 'long long' support"
    endif

    menuconfig EXT_FATFS
        bool "Embedded FAT file system support"
        help
            FatFs is a generic FAT file system module for small embedded systems.

    choice HAS_RTOS
        prompt "Real-time Operating System (RTOS) support"
        optional

        menuconfig FREERTOS
            bool "FreeRTOS support"
            help
                FreeRTOS is a real-time operating system (RTOS) for microcontrollers
                and small microprocessors.

        menuconfig CMSIS_RTOS
            bool "CMSIS-RTOS RTX support"
            help
                CMSIS-RTOS RTX is a reference implementation of CMSIS-RTOS API which
                provides a generic RTOS interfaces for Arm® Cortex® processor-based
                devices.

        menuconfig CMSIS_FREERTOS
            bool "CMSIS-FreeRTOS support"
            help
                CMSIS-FreeRTOS enables CMSIS RTOS v2 API using FreeRTOS under the hood.

        menuconfig UCOSIII
            bool "uC/OS-III support"
            depends on (CHIP = "lpc175x_6x")
            help
                µC/OS-III is a highly portable, scalable, preemptive, real-time,
                deterministic, multitasking kernel for microprocessors, microcontrollers
                and DSPs.
    endchoice

    config CMSIS_RTOS_REV
        int "Revision of CMSIS-RTOS API"
        depends on CMSIS_RTOS
        default 2
        range 1 2

    config CMSIS_ARCH
        string "Cortex type"
        depends on CMSIS_RTOS || CMSIS_FREERTOS

    config CMSIS_RTOS_TICK
        string "CMSIS OS tick source"
        depends on CMSIS_RTOS && CMSIS_RTOS_REV >= 2

    config FREERTOS_PORT
        string "Type of portable code"
        depends on FREERTOS

    config FREERTOS_MEMMANG
        int "Sample memory allocation implementation"
        depends on FREERTOS || CMSIS_FREERTOS
        range 1 5
        help
            heap_1 – the very simplest, does not permit memory to be freed.
            heap_2 – permits memory to be freed, but does not coalescence adjacent free blocks.
            heap_3 – simply wraps the standard malloc() and free() for thread safety.
            heap_4 – coalescences adjacent free blocks to avoid fragmentation. Includes absolute address placement option.
            heap_5 – as per heap_4, with the ability to span the heap across multiple non-adjacent memory areas.

    config FREERTOS_PLUS_CLI
        bool "FreeRTOS+CLI support"
        depends on FREERTOS || CMSIS_FREERTOS
        help
            FreeRTOS+CLI (Command Line Interface) provides a simple, small, extensible and
            RAM efficient method for FreeRTOS applications to process command line inputs.
endmenu