stm32中stm32f10x_type.h（固件3.0以前）、stm32f10x.h（固件3.0以后）、stdint.h文件的关系
在stm32f10x的3.5固件库中stm32f10x.h有以下代码（第478行开始）：
/**
* @}
*/
#include "core_cm3.h"
#include "system_stm32f10x.h"
#include
/** @addtogroup Exported_types
* @{
*/
/*!< STM32F10x Standard Peripheral Library old types (maintained for legacy purpose) */
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;
/*!< STM32F10x Standard Peripheral Library old definitions (maintained for legacy purpose) */
#define HSEStartUp_TimeOut HSE_STARTUP_TIMEOUT
#define HSE_Value HSE_VALUE
#define HSI_Value HSI_VALUE
/**
* @}
*/ 在stm32f10x的2.0.2固件库stm32f10x_type.h中有以下代码：
/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name : stm32f10x_type.h
* Author : MCD Application Team
* Version : V2.0.2
* Date : 07/11/2008
* Description : This file contains all the common data types used for the
* STM32F10x firmware library.
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_TYPE_H
#define __STM32F10x_TYPE_H
/* Includes ------------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
typedef signed long s32;
typedef signed short s16;
typedef signed char s8;
typedef signed long const sc32; /* Read Only */
typedef signed short const sc16; /* Read Only */
typedef signed char const sc8; /* Read Only */
typedef volatile signed long vs32;
typedef volatile signed short vs16;
typedef volatile signed char vs8;
typedef volatile signed long const vsc32; /* Read Only */
typedef volatile signed short const vsc16; /* Read Only */
typedef volatile signed char const vsc8; /* Read Only */
typedef unsigned long u32;
typedef unsigned short u16;
typedef unsigned char u8;
typedef unsigned long const uc32; /* Read Only */
typedef unsigned short const uc16; /* Read Only */
typedef unsigned char const uc8; /* Read Only */
typedef volatile unsigned long vu32;
typedef volatile unsigned short vu16;
typedef volatile unsigned char vu8;
typedef volatile unsigned long const vuc32; /* Read Only */
typedef volatile unsigned short const vuc16; /* Read Only */
typedef volatile unsigned char const vuc8; /* Read Only */
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;
#define U8_MAX ((u8)255)
#define S8_MAX ((s8)127)
#define S8_MIN ((s8)-128)
#define U16_MAX ((u16)65535u)
#define S16_MAX ((s16)32767)
#define S16_MIN ((s16)-32768)
#define U32_MAX ((u32)4294967295uL)
#define S32_MAX ((s32)2147483647)
#define S32_MIN ((s32)-2147483648)
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
#endif /* __STM32F10x_TYPE_H */
/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/所以在3.0以后的库中，不再含有stm32f10x_type.h文件了，也不需要了
#include <stdint.h>代码如下：
/* Copyright (C) ARM Ltd., 1999 */
/* All rights reserved */
/*
* RCS $Revision: 178085 $
* Checkin $Date: 2012-12-11 14:54:17 +0000 (Tue, 11 Dec 2012) $
* Revising $Author: agrant $
*/
#ifndef __stdint_h
#define __stdint_h
#define __ARMCLIB_VERSION 5030076
#ifndef __STDINT_DECLS
#define __STDINT_DECLS
#undef __CLIBNS
#ifdef __cplusplus
namespace std {
#define __CLIBNS std::
extern "C" {
#else
#define __CLIBNS
#endif /* __cplusplus */
/*
* 'signed' is redundant below, except for 'signed char' and if
* the typedef is used to declare a bitfield.
* '__int64' is used instead of 'long long' so that this header
* can be used in --strict mode.
*/
/* 7.18.1.1 */
/* exact-width signed integer types */
typedef signed char int8_t;
typedef signed short int int16_t;
typedef signed int int32_t;
typedef signed __int64 int64_t;
/* exact-width unsigned integer types */
typedef unsigned char uint8_t;
typedef unsigned short int uint16_t;
typedef unsigned int uint32_t;
typedef unsigned __int64 uint64_t;
/* 7.18.1.2 */
/* smallest type of at least n bits */
/* minimum-width signed integer types */
typedef signed char int_least8_t;
typedef signed short int int_least16_t;
typedef signed int int_least32_t;
typedef signed __int64 int_least64_t;
/* minimum-width unsigned integer types */
typedef unsigned char uint_least8_t;
typedef unsigned short int uint_least16_t;
typedef unsigned int uint_least32_t;
typedef unsigned __int64 uint_least64_t;
/* 7.18.1.3 */
/* fastest minimum-width signed integer types */
typedef signed int int_fast8_t;
typedef signed int int_fast16_t;
typedef signed int int_fast32_t;
typedef signed __int64 int_fast64_t;
/* fastest minimum-width unsigned integer types */
typedef unsigned int uint_fast8_t;
typedef unsigned int uint_fast16_t;
typedef unsigned int uint_fast32_t;
typedef unsigned __int64 uint_fast64_t;
/* 7.18.1.4 integer types capable of holding object pointers */
typedef signed int intptr_t;
typedef unsigned int uintptr_t;
/* 7.18.1.5 greatest-width integer types */
typedef signed __int64 intmax_t;
typedef unsigned __int64 uintmax_t;
#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
/* 7.18.2.1 */
/* minimum values of exact-width signed integer types */
#define INT8_MIN -128
#define INT16_MIN -32768
#define INT32_MIN (~0x7fffffff) /* -2147483648 is unsigned */
#define INT64_MIN __ESCAPE__(~0x7fffffffffffffffll) /* -9223372036854775808 is unsigned */
/* maximum values of exact-width signed integer types */
#define INT8_MAX 127
#define INT16_MAX 32767
#define INT32_MAX 2147483647
#define INT64_MAX __ESCAPE__(9223372036854775807ll)
/* maximum values of exact-width unsigned integer types */
#define UINT8_MAX 255
#define UINT16_MAX 65535
#define UINT32_MAX 4294967295u
#define UINT64_MAX __ESCAPE__(18446744073709551615ull)
/* 7.18.2.2 */
/* minimum values of minimum-width signed integer types */
#define INT_LEAST8_MIN -128
#define INT_LEAST16_MIN -32768
#define INT_LEAST32_MIN (~0x7fffffff)
#define INT_LEAST64_MIN __ESCAPE__(~0x7fffffffffffffffll)
/* maximum values of minimum-width signed integer types */
#define INT_LEAST8_MAX 127
#define INT_LEAST16_MAX 32767
#define INT_LEAST32_MAX 2147483647
#define INT_LEAST64_MAX __ESCAPE__(9223372036854775807ll)
/* maximum values of minimum-width unsigned integer types */
#define UINT_LEAST8_MAX 255
#define UINT_LEAST16_MAX 65535
#define UINT_LEAST32_MAX 4294967295u
#define UINT_LEAST64_MAX __ESCAPE__(18446744073709551615ull)
/* 7.18.2.3 */
/* minimum values of fastest minimum-width signed integer types */
#define INT_FAST8_MIN (~0x7fffffff)
#define INT_FAST16_MIN (~0x7fffffff)
#define INT_FAST32_MIN (~0x7fffffff)
#define INT_FAST64_MIN __ESCAPE__(~0x7fffffffffffffffll)
/* maximum values of fastest minimum-width signed integer types */
#define INT_FAST8_MAX 2147483647
#define INT_FAST16_MAX 2147483647
#define INT_FAST32_MAX 2147483647
#define INT_FAST64_MAX __ESCAPE__(9223372036854775807ll)
/* maximum values of fastest minimum-width unsigned integer types */
#define UINT_FAST8_MAX 4294967295u
#define UINT_FAST16_MAX 4294967295u
#define UINT_FAST32_MAX 4294967295u
#define UINT_FAST64_MAX __ESCAPE__(18446744073709551615ull)
/* 7.18.2.4 */
/* minimum value of pointer-holding signed integer type */
#define INTPTR_MIN (~0x7fffffff)
/* maximum value of pointer-holding signed integer type */
#define INTPTR_MAX 2147483647
/* maximum value of pointer-holding unsigned integer type */
#define UINTPTR_MAX 4294967295u
/* 7.18.2.5 */
/* minimum value of greatest-width signed integer type */
#define INTMAX_MIN __ESCAPE__(~0x7fffffffffffffffll)
/* maximum value of greatest-width signed integer type */
#define INTMAX_MAX __ESCAPE__(9223372036854775807ll)
/* maximum value of greatest-width unsigned integer type */
#define UINTMAX_MAX __ESCAPE__(18446744073709551615ull)
/* 7.18.3 */
/* limits of ptrdiff_t */
#define PTRDIFF_MIN (~0x7fffffff)
#define PTRDIFF_MAX 2147483647
/* limits of sig_atomic_t */
#define SIG_ATOMIC_MIN (~0x7fffffff)
#define SIG_ATOMIC_MAX 2147483647
/* limit of size_t */
#define SIZE_MAX 4294967295u
/* limits of wchar_t */
/* NB we have to undef and redef because they're defined in both
* stdint.h and wchar.h */
#undef WCHAR_MIN
#undef WCHAR_MAX
#if defined(__WCHAR32)
#define WCHAR_MIN 0
#define WCHAR_MAX 0xffffffffU
#else
#define WCHAR_MIN 0
#define WCHAR_MAX 65535
#endif
/* limits of wint_t */
#define WINT_MIN (~0x7fffffff)
#define WINT_MAX 2147483647
#endif /* __STDC_LIMIT_MACROS */
#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
/* 7.18.4.1 macros for minimum-width integer constants */
#define INT8_C(x) (x)
#define INT16_C(x) (x)
#define INT32_C(x) (x)
#define INT64_C(x) __ESCAPE__(x ## ll)
#define UINT8_C(x) (x ## u)
#define UINT16_C(x) (x ## u)
#define UINT32_C(x) (x ## u)
#define UINT64_C(x) __ESCAPE__(x ## ull)
/* 7.18.4.2 macros for greatest-width integer constants */
#define INTMAX_C(x) __ESCAPE__(x ## ll)
#define UINTMAX_C(x) __ESCAPE__(x ## ull)
#endif /* __STDC_CONSTANT_MACROS */
#ifdef __cplusplus
} /* extern "C" */
} /* namespace std */
#endif /* __cplusplus */
#endif /* __STDINT_DECLS */
#ifdef __cplusplus
#ifndef __STDINT_NO_EXPORTS
using ::std::int8_t;
using ::std::int16_t;
using ::std::int32_t;
using ::std::int64_t;
using ::std::uint8_t;
using ::std::uint16_t;
using ::std::uint32_t;
using ::std::uint64_t;
using ::std::int_least8_t;
using ::std::int_least16_t;
using ::std::int_least32_t;
using ::std::int_least64_t;
using ::std::uint_least8_t;
using ::std::uint_least16_t;
using ::std::uint_least32_t;
using ::std::uint_least64_t;
using ::std::int_fast8_t;
using ::std::int_fast16_t;
using ::std::int_fast32_t;
using ::std::int_fast64_t;
using ::std::uint_fast8_t;
using ::std::uint_fast16_t;
using ::std::uint_fast32_t;
using ::std::uint_fast64_t;
using ::std::intptr_t;
using ::std::uintptr_t;
using ::std::intmax_t;
using ::std::uintmax_t;
#endif
#endif /* __cplusplus */
#endif /* __stdint_h */
/* end of stdint.h */