/* Fills each init_struct member with its reset value.  */
void EXTI_StructInit(EXTI_InitTypeDef *init_struct)
/* Fills each init_struct member with its reset value.  */
void EXTI_StructInit(EXTI_InitTypeDef *init_struct)
{
    init_struct->EXTI_Line    = EXTI_LineNone;
    init_struct->EXTI_Mode    = EXTI_Mode_Interrupt;
    init_struct->EXTI_Trigger = EXTI_Trigger_Falling;
    init_struct->EXTI_LineCmd = DISABLE;
}