examples/system/sys/main/xf_main.c

系统级 API 示例。

 
/* ==================== [Includes] ========================================== */
 
#include "xf_sys.h"
 
/* ==================== [Defines] =========================================== */
 
#define TAG "main"
#define EXAMPLE_DELAY_LOOP_COUNT        20  
/* ==================== [Typedefs] ========================================== */
 
/* ==================== [Static Prototypes] ================================= */
 
/* ==================== [Static Variables] ================================== */
 
/* ==================== [Macros] ============================================ */
 
/* ==================== [Global Functions] ================================== */
 
void xf_main(void)
{
    xf_ms_t ms_before = xf_sys_time_get_ms();
    xf_delay_ms(1000);
    xf_ms_t ms_after = xf_sys_time_get_ms();
 
    xf_us_t us_before = xf_sys_time_get_us();
    xf_delay_us(10);
    xf_us_t us_after = xf_sys_time_get_us();
 
    XF_LOGI(TAG, "tick:ms_before:%llu\tms_after:%llu\tms_diff:%llu",
            ms_before, ms_after, ms_after - ms_before);
 
    XF_LOGI(TAG, "tick:us_before:%llu\tus_after:%llu\tus_diff:%llu",
            us_before, us_after, us_after - us_before);
 
    /* 确保开启了 watchdog */
    xf_sys_watchdog_enable();
    xf_sys_watchdog_kick();
    XF_LOGI(TAG, "Will reboot in %d seconds.", EXAMPLE_DELAY_LOOP_COUNT);
    for (int i = EXAMPLE_DELAY_LOOP_COUNT; i > 0; --i) {
        XF_LOGI(TAG, "count: %d", i);
        /*
            测试 kick 看门狗是否有作用，
            如果有作用，应当在 EXAMPLE_DELAY_LOOP_COUNT s 后
            输出 `reboot!` 消息并重启。
         */
        xf_sys_watchdog_kick();
        xf_delay_ms(1000);
    }
    XF_LOGI(TAG, "reboot!");
    xf_sys_reboot();
}
 
/* ==================== [Static Functions] ================================== */