[RTT例程练习] 6.3 在 Finsh 中查看自定义变量

和前面类似，使用宏，就可以将变量输出至Finsh

FINSH_VAR_EXPORT ( count , finsh_type_int , count variable for finsh );

程序

#include 

#include 

static rt_thread_t tid = RT_NULL;

static void thread_entry(void *parameter)
{
    while (1)
    {
        rt_thread_delay(1000);
    }
}

static rt_uint32_t count = 34;
FINSH_VAR_EXPORT(count, finsh_type_int, count variable for finsh);

int rt_application_init()
{

    
    tid = rt_thread_create("tid",
        thread_entry, RT_NULL,
        1024,
        8, 50);
    if (tid != RT_NULL)
        rt_thread_startup(tid);
    
    return 0;
}

结果

SystemInit......

 \ | /
- RT -     Thread Operating System
 / | \     1.0.1 build Apr  7 2013
 2006 - 2011 Copyright by rt-thread team
finsh>>list()
--Function List:
list_mem         -- list memory usage information
hello            -- say hello world
version          -- show RT-Thread version information
list_thread      -- list thread
list_sem         -- list semaphone in system
list_event       -- list event in system
list_mutex       -- list mutex in system
list_mailbox     -- list mail box in system
list_msgqueue    -- list message queue in system
list_mempool     -- list memory pool in system
list_timer       -- list timer in system
list_device      -- list device in system
list             -- list all symbol in system
--Variable List:
dummy            -- dummy variable for finsh
count            -- count variable for finsh
        0, 0x00000000
finsh>>count
        '"', 34, 0x00000022

可以看到，变量输出的值和程序初始化的一样。