Kernel

rtthread内核移植到stm32f427调度不到main线程

发布于 2019-10-30 22:27:51 浏览：2046 订阅该版

5 个回答

WillianChan 2019-10-31

bpdwn 2019-11-01

这家伙很懒，什么也没写！

```
/* RT-Thread Kernel */

#define RT_NAME_MAX 8
#define RT_ALIGN_SIZE 4
#define RT_THREAD_PRIORITY_32
#define RT_THREAD_PRIORITY_MAX 32
#define RT_TICK_PER_SECOND 1000
#define RT_USING_OVERFLOW_CHECK
#define RT_USING_HOOK
#define RT_USING_IDLE_HOOK
#define RT_IDEL_HOOK_LIST_SIZE 4
#define IDLE_THREAD_STACK_SIZE 1024
#define RT_DEBUG
#define RT_DEBUG_COLOR

/* Inter-Thread communication */

#define RT_USING_SEMAPHORE
#define RT_USING_MUTEX
#define RT_USING_EVENT
#define RT_USING_MAILBOX
#define RT_USING_MESSAGEQUEUE

/* Memory Management */

#define RT_USING_MEMPOOL
#define RT_USING_MEMHEAP
#define RT_USING_SMALL_MEM
#define RT_USING_HEAP

/* Kernel Device Object */

#define RT_USING_CONSOLE
#define RT_CONSOLEBUF_SIZE 128
#define RT_CONSOLE_DEVICE_NAME "uart1"

/* RT-Thread Components */

#define RT_USING_COMPONENTS_INIT
#define RT_USING_USER_MAIN
#define RT_MAIN_THREAD_STACK_SIZE 2048
#define RT_MAIN_THREAD_PRIORITY 10
```

```
int rtthread_startup(void)
{
    rt_hw_interrupt_disable();

/* board level initalization
     * NOTE: please initialize heap inside board initialization.
     */
    rt_hw_board_init();

/* show RT-Thread version */
    rt_show_version();

/* timer system initialization */
    rt_system_timer_init();

/* scheduler system initialization */
    rt_system_scheduler_init();

#ifdef RT_USING_SIGNALS
    /* signal system initialization */
    rt_system_signal_init();
#endif

/* create init_thread */
    rt_application_init();

/* timer thread initialization */
    rt_system_timer_thread_init();

/* idle thread initialization */
    rt_thread_idle_init();

/* start scheduler */
    rt_system_scheduler_start();

/* never reach here */
    return 0;
}
```

```
void rt_application_init(void)
{
    rt_thread_t tid;

#ifdef RT_USING_HEAP
    tid = rt_thread_create("main", main_thread_entry, RT_NULL,
                           RT_MAIN_THREAD_STACK_SIZE, RT_MAIN_THREAD_PRIORITY, 20);
    RT_ASSERT(tid != RT_NULL);
#else
    rt_err_t result;

tid = &main_thread;
    result = rt_thread_init(tid, "main", main_thread_entry, RT_NULL,
                            main_stack, sizeof(main_stack), RT_MAIN_THREAD_PRIORITY, 20);
    RT_ASSERT(result == RT_EOK);
	
    /* if not define RT_USING_HEAP, using to eliminate the warning */
    (void)result;
#endif

rt_thread_startup(tid);
}
```

```
void rt_hw_board_init()
{
    /* HAL_Init() function is called at the beginning of program after reset and before
     * the clock configuration.
     */
    HAL_Init();

/* Clock Config:
     *     System Clock : 80M
     *     HCLK         : 80M
     *     PCLK1        : 80M
     *     PCLK2        : 80M
     *     SDMMC1       : 48M
     *     USART1       : PCLK2
     */
    SystemClock_Config();
    /* Configure the Systick interrupt time */
    HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / RT_TICK_PER_SECOND);
    /* Configure the Systick */
    HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
    /* SysTick_IRQn interrupt configuration */
    HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
		#ifdef RT_USING_HEAP
			rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
		#endif

//bsp_led_init();
    bsp_uart_init();
}
```

运行工程开启DEBUG打印的日志

```
Press Ctrl+C to enter Boot Menu  0

\ | /
- RT -     Thread Operating System
 / | \     3.1.0 build Nov  1 2019
 2006 - 2018 Copyright by rt-thread team
start scheduler: max priority 0x20
startup a thread:main with priority:10
thread resume:  main
insert thread[main], the priority: 10
startup a thread:tidle with priority:31
thread resume:  tidle
insert thread[tidle], the priority: 31
current thread:main, status:1
```