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  1. #include <stdint.h>
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4.  
  5. #define     __IO    volatile             /*!< Defines 'read / write' permissions */
  6. /** 
  7. 	* @brief General Purpose I/O
  8.   */
  9.  
  10. typedef struct
  11. {
  12.   __IO uint32_t CRL;
  13.   __IO uint32_t CRH;
  14.   __IO uint32_t IDR;
  15.   __IO uint32_t ODR;
  16.   __IO uint32_t BSRR;
  17.   __IO uint32_t BRR;
  18.   __IO uint32_t LCKR;
  19. } GPIO_TypeDef;
  20.  
  21. #define PERIPH_BASE         0x40000000UL /*!< Peripheral base address in the alias region */
  22. #define APB1PERIPH_BASE     PERIPH_BASE
  23. #define APB2PERIPH_BASE     (PERIPH_BASE + 0x00010000UL)
  24. #define GPIOA_BASE          (APB2PERIPH_BASE + 0x00000800UL)
  25. #define GPIOA               ((GPIO_TypeDef *)GPIOA_BASE)
  26.  
  27. int main()
  28. {
  29. 	printf ("%x",GPIOA);	
  30. 	getchar();
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 4464KB
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40010800
https://ideone.com/hehrYD
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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