The use of Kendryte K210 timer on freertos

Directly on the code:

/*定 时 器 0 定 时 1 秒 打 印 Time OK!*/
void on_tick (void ∗ unused )
{
    printf (" Time␣OK !\n");
}

int main(void)
{
    handle_t timer = io_open ("/dev/ timer0 ");
    timer_set_interval (timer , 1e9 );
    timer_set_on_tick (timer , on_tick , NULL );
    timer_set_enable (timer , true );
    return 0;
}