/* SysTick Control / Status Register Definitions */#defineSysTick_CTRL_COUNTFLAG_Pos 16/*!< SysTick CTRL: COUNTFLAG Position */#defineSysTick_CTRL_COUNTFLAG_Msk (1ul << SysTick_CTRL_COUNTFLAG_Pos)/*!< SysTick CTRL: COUNTFLAG Mask */#defineSysTick_CTRL_CLKSOURCE_Pos 2/*!< SysTick CTRL...
< SysTick CTRL: COUNTFLAG Position */#defineSysTick_CTRL_COUNTFLAG_Msk (1ul << SysTick_CTRL_COUNTFLAG_Pos)/*!< SysTick CTRL: COUNTFLAG Mask*/溢出标志位#defineSysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */#defineSysTick_CTRL_CLKSOURCE_Msk (1ul << SysTick_CTRL_...
< SysTick CTRL: COUNTFLAG Position */ #defineSysTick_CTRL_COUNTFLAG_Msk (1ul << SysTick_CTRL_COUNTFLAG_Pos)/*!< SysTick CTRL: COUNTFLAG Mask */ #defineSysTick_CTRL_CLKSOURCE_Pos 2/*!< SysTick CTRL: CLKSOURCE Position */ #defineSysTick_CTRL_CLKSOURCE_Msk (1ul << SysTick_CTRL_CLKSOUR...
//SysTick->CTRL &= ~ SysTick_CTRL_ENABLE_Msk;} 他把定时器关了 现在我把这句话注释掉了 初始...
#define SysTick_CTRL_COUNTFLAG_Msk (1ul 《《 SysTick_CTRL_COUNTFLAG_Pos) /*!《 SysTick CTRL: COUNTFLAG Mask */ 溢出标志位 #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!《 SysTick CTRL: CLKSOURCE Position */ #define SysTick_CTRL_CLKSOURCE_Msk (1ul 《《 SysTick_CTRL_CLKSOURCE_Pos) ...
x 什么是SYStiCK:这是一个24位的系统节拍定时器system tick timer,SysTick,具有自动重载和溢出中断功能...
< SysTick CTRL: COUNTFLAG Position */ #define SysTick_CTRL_COUNTFLAG_Msk (1ul << SysTick_CTRL_COUNTFLAG_Pos)/*!< SysTick CTRL: COUNTFLAG Mask */ #define SysTick_CTRL_CLKSOURCE_Pos 2/*!< SysTick CTRL: CLKSOURCE Position */ #define SysTick_CTRL_CLKSOURCE_Msk (1ul << SysTick_CTRL_...
< SysTick CTRL: COUNTFLAG Position */ #define SysTick_CTRL_COUNTFLAG_Msk (1ul << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ 溢出标志位 #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */ #define SysTick_CTRL_CLKSOURCE_Msk (1ul << ...
/*!< SysTick CTRL: COUNTFLAG Mask */ 溢出标志位 #define SysTick_CTRL_CLKSOURCE_Pos 2 /...
/*!< SysTick CTRL: COUNTFLAG Mask */ 溢出标志位 #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */ #define SysTick_CTRL_CLKSOURCE_Msk (1ul << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */时钟源选择位,0=外部时钟;1=内核时钟 ...