Function timer_is_time_out

bsp/loongson/ls1cdev/libraries/ls1c_timer.c:111–135

* �ж�ָ����ʱ���Ƿ�ʱ(ʵ�ֶ�ʱ) * @timer_info ��ʱ�� * @ret TRUE or FALSE */

 * @ret TRUE or FALSE
 */
BOOL timer_is_time_out(timer_info_t *timer_info)
{
    unsigned int timer_reg_base = 0;        // �Ĵ�������ַ
    unsigned int ctrl;                      // ���ƼĴ�����ֵ
    
    // ����
    if (NULL == timer_info)
    {
        return FALSE;
    }

    // ��ȡ���ƼĴ���
    timer_reg_base = timer_get_reg_base(timer_info->timer);
    ctrl = reg_read_32((volatile unsigned int *)(timer_reg_base + LS1C_PWM_CTRL));

    // �ж��ж�״̬λ
    if (ctrl & (1 << LS1C_PWM_INT_SR))
    {
        return TRUE;
    }
    else
    {
        return FALSE;
    }
}