C++ (Cpp) SysTick_GetFlagStatus 예제들

예제 #1

파일: systick.c 프로젝트: Seok-Jung/STM32F207

/*******************************************************************************
* Function Name  : delay_us
* Description    : 
* Input          : - Nus:
* Output         : None
* Return         : None
* Attention		 : 
*******************************************************************************/            
void delay_us(u32 Nus)
{ 
    SysTick_SetReload(delay_fac_us * Nus);
    SysTick_CounterCmd(SysTick_Counter_Clear);
    SysTick_CounterCmd(SysTick_Counter_Enable);
    do
    {
        Status = SysTick_GetFlagStatus(SysTick_FLAG_COUNT);
    }while (Status != SET);
    SysTick_CounterCmd(SysTick_Counter_Disable);
	SysTick_CounterCmd(SysTick_Counter_Clear);
}

예제 #2

파일: systick.c 프로젝트: apyles/hy-ministm32v-glcd

/*******************************************************************************
* Function Name  : delay_us
* Description    : 初始化延迟函数 
* Input          : - Nus: 延时us
* Output         : None
* Return         : None
* Attention		 : 参数最大值为 0xffffff / (HCLK / 8000000)
*******************************************************************************/            
void delay_us(u32 Nus)
{ 
    SysTick_SetReload(delay_fac_us * Nus);          /* 时间加载 */
    SysTick_CounterCmd(SysTick_Counter_Clear);		/* 清空计数器 */
    SysTick_CounterCmd(SysTick_Counter_Enable);		/* 开始倒数 */ 	
    do
    {
        Status = SysTick_GetFlagStatus(SysTick_FLAG_COUNT);
    }while (Status != SET);							/* 等待时间到达 */
    SysTick_CounterCmd(SysTick_Counter_Disable);    /* 关闭计数器 */
	SysTick_CounterCmd(SysTick_Counter_Clear);	    /* 清空计数器 */   
}

예제 #3

파일: systick.c 프로젝트: Seok-Jung/STM32F207

/*******************************************************************************
* Function Name  : delay_ms
* Description    : 
* Input          : - nms:
* Output         : None
* Return         : None
* Attention		 : 
*******************************************************************************/  
void _delay_ms(uint16_t nms)
{    
    uint32_t temp = delay_fac_ms * nms;

    if (temp > 0x00ffffff)
    {
        temp = 0x00ffffff;
    }
    SysTick_SetReload(temp);
    SysTick_CounterCmd(SysTick_Counter_Clear);
    SysTick_CounterCmd(SysTick_Counter_Enable);
    do
    {
        Status = SysTick_GetFlagStatus(SysTick_FLAG_COUNT);
    }while (Status != SET);
    SysTick_CounterCmd(SysTick_Counter_Disable);
	SysTick_CounterCmd(SysTick_Counter_Clear);
}

예제 #4

파일: systick.c 프로젝트: apyles/hy-ministm32v-glcd

/*******************************************************************************
* Function Name  : delay_ms
* Description    : 初始化延迟函数 
* Input          : - nms: 延时ms
* Output         : None
* Return         : None
* Attention		 : 参数最大值 nms<=0xffffff*8*1000/SYSCLK 对72M条件下,nms<=1864 
*******************************************************************************/  
void delay_ms(uint16_t nms)
{    
    uint32_t temp = delay_fac_ms * nms;

    if (temp > 0x00ffffff)
    {
        temp = 0x00ffffff;
    }
    SysTick_SetReload(temp);		             /* 时间加载 */
    SysTick_CounterCmd(SysTick_Counter_Clear);	 /* 清空计数器 */
    SysTick_CounterCmd(SysTick_Counter_Enable);	 /* 开始倒数 */ 
    do
    {
        Status = SysTick_GetFlagStatus(SysTick_FLAG_COUNT);
    }while (Status != SET);				         /* 等待时间到达 */
    SysTick_CounterCmd(SysTick_Counter_Disable); /* 关闭计数器 */
	SysTick_CounterCmd(SysTick_Counter_Clear);	 /* 清空计数器 */
}

예제 #5

파일: systick.c 프로젝트: assets1975/neil-scope3

/**
 * @brief  delay_us
 * @param  u32 Nus
 * @retval None
 */
void delay_us(u32 us)
{
    uint32_t temp = delay_fac_us * us;
    int16_t tick = us/1864135;

    if (temp > 0x00ffffff) temp = 0x00ffffff;

    do
    {
        SysTick_SetReload(temp);
        SysTick_CounterCmd(SysTick_Counter_Clear);
        SysTick_CounterCmd(SysTick_Counter_Enable);

        do
        {
            Status = SysTick_GetFlagStatus(SysTick_FLAG_COUNT);

        } while ((Status != SET) && (ButtonPush == B_RESET));

        SysTick_CounterCmd(SysTick_Counter_Disable);
        SysTick_CounterCmd(SysTick_Counter_Clear);

    } while((tick-- > 0) && (ButtonPush == B_RESET));
}