stm32标准外设库中USE_STDPERIPH_DRIVER, STM32F10X_MD的含义
2017-12-09 19:11
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在项目中使用stm32标准外设库(STM32F10x Standard Peripherals Library)的时候,我们会在项目的选项中预定义两个宏定义:USE_STDPERIPH_DRIVER, STM32F10X_MD,如下图:
这两个的作用是什么呢?
1、 USE_STDPERIPH_DRIVER : to use or not the
peripheral’s drivers in application code (i.e. code will be based on direct access to peripheral’s registers rather than drivers API) , this option is controlled by the #define USE_STDPERIPH_DRIVER
即这个定义控制了是否在应用中启用外设驱动。我们使用标准外设库本来就为了方便控制外设,所以要添加这个定义,以启用外设驱动。
2、STM32F10X_MD:
STM32有几个大类:
每种类别都有所区别,例如sram或者flash或者外设数量不一样,所以stm32标准外设库必须根据你使用的处理器来做相应的预处理。
This define will control the declaration of the following part of the Standard Peripherals library:
IRQ channel definition
Peripheral memory mapping and physical registers address definition
Peripheral pointer declaration and driver header file inclusion
Product miscellaneous configuration: external quartz (HSE) value…
Peripheral with Features w/ different/incompatible implementation across the family
Note : This define doesn’t apply to
peripheral drivers, these drivers are always supporting features of the family’s superset.
User has only to select which device he will use by controlling preprocessor define declared in stm32f10x.h file
( No selected device by default) then the library will be configured accordingly。
这两个定义都在stm32f10x.h里面,可以在这里面做定义(把注释去掉),不一定非要在option->C/C++那里添加.
这两个的作用是什么呢?
1、 USE_STDPERIPH_DRIVER : to use or not the
peripheral’s drivers in application code (i.e. code will be based on direct access to peripheral’s registers rather than drivers API) , this option is controlled by the #define USE_STDPERIPH_DRIVER
即这个定义控制了是否在应用中启用外设驱动。我们使用标准外设库本来就为了方便控制外设,所以要添加这个定义,以启用外设驱动。
2、STM32F10X_MD:
STM32有几个大类:
/* #define STM32F10X_LD_VL */ /*!< STM32 Low density Value line devices */ /* #define STM32F10X_LD */ /*!< STM32 Low density devices */ /* #define STM32F10X_MD_VL */ /*!< STM32 Medium density Value line devices */ /* #define STM32F10X_MD */ /*!< STM32 Medium density devices */ /* #define STM32F10X_HD_VL */ /*!< STM32 High density Value line devices */ /* #define STM32F10X_HD */ /*!< STM32 High density devices */ /* #define STM32F10X_XL */ /*!< STM32 XL density devices */ /* #define STM32F10X_CL */ /*!< STM32 Connectivity line devices */
每种类别都有所区别,例如sram或者flash或者外设数量不一样,所以stm32标准外设库必须根据你使用的处理器来做相应的预处理。
This define will control the declaration of the following part of the Standard Peripherals library:
IRQ channel definition
Peripheral memory mapping and physical registers address definition
Peripheral pointer declaration and driver header file inclusion
Product miscellaneous configuration: external quartz (HSE) value…
Peripheral with Features w/ different/incompatible implementation across the family
Note : This define doesn’t apply to
peripheral drivers, these drivers are always supporting features of the family’s superset.
User has only to select which device he will use by controlling preprocessor define declared in stm32f10x.h file
( No selected device by default) then the library will be configured accordingly。
这两个定义都在stm32f10x.h里面,可以在这里面做定义(把注释去掉),不一定非要在option->C/C++那里添加.
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