Структура GPIO_TypeDef для регистров. STM32

 typedef struct
{
__IO uint32_t CRL;
  __IO uint32_t CRH;
  __IO uint32_t IDR;
   __IO uint32_t ODR;
  __IO uint32_t BSRR;
 __IO uint32_t BRR;
  __IO uint32_t LCKR;
 } GPIO_TypeDef

GPIOA->ODR |=1UL<<14;

  struct gpio
 {
int reg;
};
int main(void)
{
    ((struct gpio*)0x45000)->reg=1;
}

printf("%d\n", *((int*)0x45000));

  struct gpio
 {
int reg;
} new_struct;
int main()
{
struct gpio *ptr;
ptr=&new_struct;
ptr->reg=1;
}

    uint8_t arr1[10]={0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09};
    uint8_t *  ch1=(uint8_t *)&arr1[0];
    uint16_t * ch2=(uint16_t *)&arr1[0];
    uint32_t * ch3=(uint32_t *)&arr1[0];
    ch1++;
    ch2++;
    ch3++;

uint8_t arr1[10]={0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09};
        uint8_t *  ch1=(uint8_t *)&arr1[0];
        uint16_t * ch2=(uint16_t *)&arr1[0];
        uint32_t * ch3=(uint32_t *)&arr1[0];
        printf("%p\n", ch1);
        printf("%p\n", ch2);
        printf("%p\n", ch3);
        ch1++;
        ch2++;
        ch3++;

uint8_t arr1[10]={0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09};
        uint8_t *  ch1=(uint8_t *)&arr1[0];
        uint16_t * ch2=(uint16_t *)&arr1[0];
        uint32_t * ch3=(uint32_t *)&arr1[0];
        ch1++;
        ch2++;
        ch3++;
        printf("%p\n", ch1);
        printf("%p\n", ch2);
        printf("%p\n", ch3);

int main()
{
char a[10];
printf("%p\n", &a[0]);
printf("%p\n", &a[1]);
}