/* Deinitializes the Alternate Functions (remap, event control and EXTI configuration) registers to their default reset values.  */
void GPIO_AFIODeInit()
/* Deinitializes the Alternate Functions (remap, event control and EXTI configuration) registers to their default reset values.  */
void GPIO_AFIODeInit()
{
    GPIOA->AFRL = 0xFFFFFFFF;
    GPIOA->AFRH = 0xF00FFFFF;
    GPIOB->AFRL = 0xFFFFFFFF;
    GPIOB->AFRH = 0xFFFFFFFF;
    GPIOC->AFRL = 0xFFFFFFFF;
    GPIOC->AFRH = 0xFFFFFFFF;
    GPIOD->AFRL = 0xFFFFFFFF;
    GPIOD->AFRH = 0xFFFFFFFF;
    GPIOE->AFRL = 0xFFFFFFFF;
    GPIOE->AFRH = 0xFFFFFFFF;
}