Kconfig

menu "RT-Thread Kernel"

config RT_NAME_MAX
    int "The maximal size of kernel object name"
    range 2 32
    default 8
    help 
        Each kernel object, such as thread, timer, semaphore etc, has a name, 
        the RT_NAME_MAX is the maximal size of this object name.

config RT_ALIGN_SIZE
    int "Alignment size for CPU architecture data access"
    default 4
    help
        Alignment size for CPU architecture data access

    choice 
        prompt "The maximal level value of priority of thread"
        default RT_THREAD_PRIORITY_32

        config RT_THREAD_PRIORITY_8
            bool "8"

        config RT_THREAD_PRIORITY_32
            bool "32"

        config RT_THREAD_PRIORITY_256
            bool "256"
    endchoice

config RT_THREAD_PRIORITY_MAX
    int
    default 8   if RT_THREAD_PRIORITY_8
    default 32  if RT_THREAD_PRIORITY_32
    default 256 if RT_THREAD_PRIORITY_256

config RT_TICK_PER_SECOND
    int "Tick frequency, Hz"
    range 10 1000
    default 100
    help
        System's tick frequency, Hz.

config RT_DEBUG
    bool "Enable debug features"
    default y

if RT_DEBUG

config RT_USING_OVERFLOW_CHECK
    bool "Using stack overflow checking"
    default y
    help
        Enable thread stack overflow checking. The stack overflow is checking when 
        each thread switch.

config RT_DEBUG_INIT
    int "Enable system initialization informat print"
    default 0
    help
        print the procedure name of initialization

config RT_DEBUG_THREAD
    int "Enable thread switch information dump"
    default 0
    help
        print the switch to/from thread name when each thread context switch

endif

config RT_USING_HOOK
    bool "Enable system hook"
    default y
    help
        Enable the hook function when system running, such as idle thread hook, 
        thread context switch etc.

config IDLE_THREAD_STACK_SIZE
    int "The stack size of idle thread"
    default 256

config RT_USING_TIMER_SOFT
    bool "Enable software timer with a timer thread"
    default n
    help
        the timeout function context of soft-timer is under a high priority timer 
        thread.

if RT_USING_TIMER_SOFT
config RT_TIMER_THREAD_PRIO
    int "The priority level value of timer thread"
    default 4

config RT_TIMER_THREAD_STACK_SIZE
    int "The stack size of timer thread"
    default 512

endif

menu "Inter-Thread communication"

config RT_USING_SEMAPHORE
    bool "Enable semaphore"
    default y

config RT_USING_MUTEX
    bool "Enable mutex"
    default y

config RT_USING_EVENT
    bool "Enable event flag"
    default y

config RT_USING_MAILBOX
    bool "Enable mailbox"
    default y

config RT_USING_MESSAGEQUEUE
    bool "Enable message queue"
    default y

config RT_USING_SIGNALS
    bool "Enable signals"
    select RT_USING_MEMPOOL
    default n
    help
        A signal is an asynchronous notification sent to a specific thread 
        in order to notify it of an event that occurred.
endmenu

menu "Memory Management"

    config RT_USING_MEMPOOL
        bool "Using memory pool"
        default y
        help
            Using static memory fixed partition

    config RT_USING_MEMHEAP
        bool "Using memory heap object"
        default n
        help
            Using memory heap object to manage dynamic memory heap.

    choice 
        prompt "Dynamic Memory Management"
        default RT_USING_SMALL_MEM

        config RT_USING_NOHEAP
            bool "Disable Heap"

        config RT_USING_SMALL_MEM
            bool "Small Memory Algorithm"

        config RT_USING_SLAB
            bool "SLAB Algorithm for large memory"

        if RT_USING_MEMHEAP
        config RT_USING_MEMHEAP_AS_HEAP
            bool "Use all of memheap objects as heap"
        endif
    endchoice

    if RT_USING_SMALL_MEM
        config RT_USING_MEMTRACE
            bool "Enable memory trace"
            default n
            help
                When enable RT_USING_MEMTRACE with shell, developer can call cmd:
                1. memtrace
                   to dump memory block information.
                2. memcheck
                   to check memory block to avoid memory overwritten.

                And developer also can call memcheck() in each of scheduling
                to check memory block to find which thread has wrongly modified
                memory.
    endif

    config RT_USING_HEAP
        bool 
        default n if RT_USING_NOHEAP
        default y if RT_USING_SMALL_MEM
        default y if RT_USING_SLAB
        default y if RT_USING_MEMHEAP_AS_HEAP

endmenu

menu "Kernel Device Object"

    config RT_USING_DEVICE
        bool "Using device object"
        default y

    config RT_USING_DEVICE_OPS
        bool "Using ops for each device object"
        default n

    config RT_USING_INTERRUPT_INFO
        bool "Enable additional interrupt trace information"
        default n
        help
            Add name and counter information for interrupt trace.

    config RT_USING_CONSOLE
        bool "Using console for rt_kprintf"
        default y

    if RT_USING_CONSOLE
        config RT_CONSOLEBUF_SIZE
            int "the buffer size for console log printf"
            default 128

        config RT_CONSOLE_DEVICE_NAME
            string "the device name for console"
            default "uart"
    endif

endmenu

config RT_USING_MODULE
    bool "The dynamic module feature"
    default n

endmenu