STM32数据类型

最新推荐文章于 2025-07-10 16:52:11 发布

原创最新推荐文章于 2025-07-10 16:52:11 发布 · 1k 阅读

3 ·

CC 4.0 BY-SA版权

STM32 专栏收录该内容

16 篇文章

订阅专栏

本文介绍了STM32微控制器中使用的数据类型定义，包括早期版本及基于CMSIS标准的类型。涵盖了基本整数类型、枚举类型以及常量宏定义等。

#早期版本的数据类型：

#ifndef __STM32F10x_TYPE_H

#define __STM32F10x_TYPE_H

typedef signed long s32;
typedef signed short s16;
typedef signed char s8;

typedef signed long constsc32;
typedef signed short const sc16;
typedef signed char constsc8;

typedef volatile signed long vs32;
typedef volatile signed short vs16;
typedef volatile signed char vs8;

typedef volatile signed long constvsc32;
typedef volatile signed short const vsc16;
typedef volatile signed char constvsc8;

typedef unsigned long u32;
typedef unsigned short u16;
typedef unsigned char u8;

typedef unsigned long constuc32;
typedef unsigned short const uc16;
typedef unsigned char constuc8;

typedef volatile unsigned long vu32;
typedef volatile unsigned short vu16;
typedef volatile unsigned char vu8;

typedef volatile unsigned long constvuc32;
typedef volatile unsigned short constvuc16;
typedef volatile unsigned char constvuc8;

typedef enum {FALSE = 0, TRUE = !FALSE} bool;

typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus;

typedef enum {DISABLE = 0, ENABLE = !DISABLE}FunctionalState;
#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) ||((STATE) == ENABLE))

typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrorStatus;

#defineU8_MAX    ((u8)255)
#defineS8_MAX    ((s8)127)
#defineS8_MIN    ((s8)-128)
#defineU16_MAX   ((u16)65535u)
#defineS16_MAX   ((s16)32767)
#defineS16_MIN   ((s16)-32768)
#defineU32_MAX   ((u32)4294967295uL)
#defineS32_MAX   ((s32)2147483647)
#defineS32_MIN   ((s32)-2147483648)

#endif

#新的固件库使用CMSIS标准的类型命名（对早期的版本仍然兼容）：

typedef int32_t s32;
typedef int16_t s16;
typedef int8_t s8;

typedef const int32_t sc32; /*!< Read Only */
typedef const int16_t sc16; /*!< Read Only */
typedef const int8_t sc8;   /*!< Read Only */

typedef __IO int32_t vs32;
typedef __IO int16_t vs16;
typedef __IO int8_t   vs8;

typedef __I int32_t vsc32; /*!< Read Only */
typedef __I int16_t vsc16; /*!< Read Only */
typedef __I int8_t vsc8;   /*!< Read Only */

typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;

typedef const uint32_t uc32; /*!< Read Only */
typedef const uint16_t uc16; /*!< Read Only */
typedef const uint8_t uc8;   /*!< Read Only */

typedef __IO uint32_t vu32;
typedef __IO uint16_t vu16;
typedef __IO uint8_t vu8;

typedef __I uint32_t vuc32; /*!< Read Only */
typedef __I uint16_t vuc16; /*!< Read Only */
typedef __I uint8_t vuc8;   /*!< Read Only */

typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus;

typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE))

typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrorStatus;