/* Enable the watch dog timer's Interrupt. 
This function is to enable the watch dog interrupt. */
void WDTimerIntEnable(void)
/* Enable the watch dog timer's Interrupt. 
This function is to enable the watch dog interrupt. */
void WDTimerIntEnable(void)
{   
    xHWREG(WWDG_CFR) |= WWDG_CFR_EWI_EN;
}