详解STM32F10x头文件

在stm32f10x_conf.h上右击鼠标，open “stm32f10x_conf.h”，打开stm32f10x_conf.h文件。

stm32f10x_conf.h文件是项目配置头文件，该头文件设置了所有用到的外设，没有用到的外设可以将其屏蔽掉，以节省编译时间。

提示：如果修改不了stm32f10x_conf.h文件时，是因为该文件是只读属性，在属性中修改即可。

注意到main函数中有

#ifdef DEBUG
debug();
#endif

还有，单片机的外部高速晶振HSE，不同的开发板可以有不同的值。那么HSE的值是在哪定义的呢？还是在stm32f10x_conf.h中。

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_type.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Uncomment the line below to compile the library in DEBUG mode, this will expanse
the "assert_param" macro in the firmware library code (see "Exported macro"
section below) */
/* #define DEBUG 1 */

/* Comment the line below to disable the specific peripheral inclusion */
/************************************* ADC ************************************/
//#define _ADC
//#define _ADC1
//#define _ADC2

/************************************* BKP ************************************/
//#define _BKP

/************************************* CAN ************************************/
//#define _CAN

/************************************* DMA ************************************/
//#define _DMA
//#define _DMA_Channel1
//#define _DMA_Channel2
//#define _DMA_Channel3
//#define _DMA_Channel4
//#define _DMA_Channel5
//#define _DMA_Channel6
//#define _DMA_Channel7

/************************************* EXTI ***********************************/
//#define _EXTI

/************************************* FLASH and Option Bytes *****************/
#define _FLASH
/* Uncomment the line below to enable FLASH program/erase/protections functions,
otherwise only FLASH configuration (latency, prefetch, half cycle) functions
are enabled */
/* #define _FLASH_PROG */

/************************************* GPIO ***********************************/
#define _GPIO
//#define _GPIOA
//#define _GPIOB
//#define _GPIOC
//#define _GPIOD
//#define _GPIOE
#define _AFIO

/************************************* I2C ************************************/
//#define _I2C
//#define _I2C1
//#define _I2C2

/************************************* IWDG ***********************************/
//#define _IWDG

/************************************* NVIC ***********************************/
#define _NVIC

/************************************* PWR ************************************/
//#define _PWR

/************************************* RCC ************************************/
#define _RCC

/************************************* RTC ************************************/
//#define _RTC

/************************************* SPI ************************************/
//#define _SPI
//#define _SPI1
//#define _SPI2

/************************************* SysTick ********************************/
//#define _SysTick

/************************************* TIM1 ***********************************/
//#define _TIM1

/************************************* TIM ************************************/
//#define _TIM
//#define _TIM2
//#define _TIM3
//#define _TIM4

/************************************* USART **********************************/
//#define _USART
//#define _USART1
//#define _USART2
//#define _USART3

/************************************* WWDG ***********************************/
//#define _WWDG

/* In the following line adjust the value of External High Speed oscillator (HSE)
used in your application */
#define HSE_Value ((u32)8000000) /* Value of the External oscillator in Hz*/

/* Exported macro ------------------------------------------------------------*/
#ifdef DEBUG
/*******************************************************************************
* Macro Name : assert_param
* Description : The assert_param macro is used for functions parameters check.
* It is used only if the library is compiled in DEBUG mode.
* Input : - expr: If expr is false, it calls assert_failed function
* which reports the name of the source file and the source
* line number of the call that failed.
* If expr is true, it returns no value.
* Return : None
*******************************************************************************/
#define assert_param(expr) ((expr) ? (void)0 : assert_failed((u8 *)__FILE__, __LINE__))
/* Exported functions ------------------------------------------------------- */
void assert_failed(u8* file, u32 line);
#else
#define assert_param(expr) ((void)0)
#endif /* DEBUG */