rt-thread/src/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_USING_ARCH_DATA_TYPE
    bool "Use the data types defined in ARCH_CPU"
    default n
    help
        For the data type like, `rt_uint8/int8_t, rt_uint16/int16_t, rt_uint32/int32_t`,
        BSP can define these basic data types in ARCH_CPU level.

        Please re-define these data types in rtconfig_project.h file.

config RT_USING_SMART
    bool "Enable RT-Thread Smart (microkernel on kernel/userland)"
    default n
    select RT_USING_LWP
    help
        RT-Thread Smart is a microkernel based operating system on RT-Thread.

config RT_USING_SMP
    bool "Enable SMP(Symmetric multiprocessing)"
    default n
    help
        This option should be selected by machines which have an SMP-
        capable CPU.
        The only effect of this option is to make the SMP-related
        options available to the user for configuration.

config RT_CPUS_NR
    int "Number of CPUs"
    default 2
    depends on RT_USING_SMP
    help
        Number of CPUs in the system

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_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_USING_HOOK
    bool "Enable system hook"
    default y
    select RT_USING_IDLE_HOOK
    help
        Enable the hook function when system running, such as idle thread hook,
        thread context switch etc.

config RT_USING_IDLE_HOOK
    bool "Enable IDLE Task hook"
    default y if RT_USING_HOOK

    if RT_USING_IDLE_HOOK
    config RT_IDLE_HOOK_LIST_SIZE
        int "The max size of idle hook list"
        default 4
        range 1 16
        help
            The system has a hook list. This is the hook list size.
    endif

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

config SYSTEM_THREAD_STACK_SIZE
    int "The stack size of system thread (for defunct etc.)"
    depends on RT_USING_SMP
    default IDLE_THREAD_STACK_SIZE

config RT_USING_TIMER_SOFT
    bool "Enable software timer with a timer thread"
    default y
    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

menuconfig RT_DEBUG
    bool "Enable debugging features"
    default y

if RT_DEBUG

config RT_DEBUG_COLOR
    bool "Enable color debugging log"
    default n

config RT_DEBUG_INIT_CONFIG
    bool "Enable debugging of components initialization"
    default n

config RT_DEBUG_INIT
    int
    default 1 if RT_DEBUG_INIT_CONFIG

config RT_DEBUG_THREAD_CONFIG
    bool "Enable debugging of Thread State Changes"
    default n

config RT_DEBUG_THREAD
    int
    default 1 if RT_DEBUG_THREAD_CONFIG

config RT_DEBUG_SCHEDULER_CONFIG
    bool "Enable debugging of Scheduler"
    default n

config RT_DEBUG_SCHEDULER
    int
    default 1 if RT_DEBUG_SCHEDULER_CONFIG

config RT_DEBUG_IPC_CONFIG
    bool "Enable debugging of IPC"
    default n

config RT_DEBUG_IPC
    int
    default 1 if RT_DEBUG_IPC_CONFIG

config RT_DEBUG_TIMER_CONFIG
    bool "Enable debugging of Timer"
    default n

config RT_DEBUG_TIMER
    int
    default 1 if RT_DEBUG_TIMER_CONFIG

config RT_DEBUG_IRQ_CONFIG
    bool "Enable debugging of IRQ(Interrupt Request)"
    default n

config RT_DEBUG_IRQ
    int
    default 1 if RT_DEBUG_IRQ_CONFIG

config RT_DEBUG_MEM_CONFIG
    bool "Enable debugging of Small Memory Algorithm"
    default n

config RT_DEBUG_MEM
    int
    default 1 if RT_DEBUG_MEM_CONFIG

config RT_DEBUG_SLAB_CONFIG
    bool "Enable debugging of SLAB Memory Algorithm"
    default n

config RT_DEBUG_SLAB
    int
    default 1 if RT_DEBUG_SLAB_CONFIG

config RT_DEBUG_MEMHEAP_CONFIG
    bool "Enable debugging of Memory Heap Algorithm"
    default n

config RT_DEBUG_MEMHEAP
    int
    default 1 if RT_DEBUG_MEMHEAP_CONFIG

config RT_DEBUG_MODULE_CONFIG
    bool "Enable debugging of Application Module"
    default n

config RT_DEBUG_MODULE
    int
    default 1 if RT_DEBUG_MODULE_CONFIG

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_VER_NUM
    hex
    default 0x50000
    help
        RT-Thread version number

endmenu