SysTick_clock_source

宏定义
#define	SysTick_CLKSource_HCLK_Div8   ((uint32_t)0xFFFFFFFB)
#define	SysTick_CLKSource_HCLK   ((uint32_t)0x00000004)
#define	IS_SYSTICK_CLK_SOURCE(SOURCE)

详细描述

宏定义说明

IS_SYSTICK_CLK_SOURCE

#define IS_SYSTICK_CLK_SOURCE

(

SOURCE

)

值:

(((SOURCE) == SysTick_CLKSource_HCLK) || \
                                       ((SOURCE) == SysTick_CLKSource_HCLK_Div8))