25 lines
936 B
C
25 lines
936 B
C
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/* stdint.h - 用于 51 单片机的自定义标准整数类型定义 */
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#ifndef __STDINT_H__
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#define __STDINT_H__
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/* 精确宽度整数类型 */
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typedef unsigned char uint8_t; // 无符号 8-bit
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typedef signed char int8_t; // 有符号 8-bit
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typedef unsigned int uint16_t; // 无符号 16-bit (Keil C51中int是16位)
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typedef signed int int16_t; // 有符号 16-bit
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typedef unsigned long uint32_t; // 无符号 32-bit
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typedef signed long int32_t; // 有符号 32-bit
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/* 快速最小宽度类型（按编译器最优选择）*/
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typedef unsigned char uint_fast8_t;
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typedef unsigned int uint_fast16_t;
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typedef unsigned long uint_fast32_t;
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/* 指针类型（51 单片机为 8/16 位地址）*/
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typedef unsigned char uintptr_t; // 数据指针（8位）
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typedef unsigned int uintptr16_t;// 代码指针（16位）
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#endif /* __STDINT_H__ */
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